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Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001//===- Record.cpp - Record implementation ---------------------------------===//
Misha Brukman650ba8e2005-04-22 00:00:37 +00002//
John Criswelld3032032003-10-20 20:20:30 +00003// The LLVM Compiler Infrastructure
4//
Chris Lattner8adcd9f2007-12-29 20:37:13 +00005// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
Misha Brukman650ba8e2005-04-22 00:00:37 +00007//
John Criswelld3032032003-10-20 20:20:30 +00008//===----------------------------------------------------------------------===//
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00009//
Chris Lattner51ffbf12006-03-31 21:53:49 +000010// Implement the tablegen record classes.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +000011//
12//===----------------------------------------------------------------------===//
13
Peter Collingbourne84c287e2011-10-01 16:41:13 +000014#include "llvm/TableGen/Record.h"
David Greenedc7b96e2011-07-29 19:07:11 +000015#include "llvm/ADT/DenseMap.h"
16#include "llvm/ADT/FoldingSet.h"
Chandler Carruth08a47fd2012-03-05 10:36:16 +000017#include "llvm/ADT/Hashing.h"
David Greeneb3da8122011-07-29 19:07:00 +000018#include "llvm/ADT/STLExtras.h"
Chandler Carruthed0881b2012-12-03 16:50:05 +000019#include "llvm/ADT/SmallVector.h"
Chris Lattner8b9ecda2007-11-20 22:25:16 +000020#include "llvm/ADT/StringExtras.h"
David Greene3ff33c92011-07-29 19:07:14 +000021#include "llvm/ADT/StringMap.h"
Chandler Carruthed0881b2012-12-03 16:50:05 +000022#include "llvm/Support/DataTypes.h"
23#include "llvm/Support/ErrorHandling.h"
24#include "llvm/Support/Format.h"
25#include "llvm/TableGen/Error.h"
Duraid Madina14492af2005-12-26 05:08:55 +000026
Chris Lattner68478662004-08-01 03:55:39 +000027using namespace llvm;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +000028
29//===----------------------------------------------------------------------===//
David Greeneea844f02011-07-29 19:06:58 +000030// std::string wrapper for DenseMap purposes
31//===----------------------------------------------------------------------===//
32
Chandler Carruth08a47fd2012-03-05 10:36:16 +000033namespace llvm {
34
David Greeneea844f02011-07-29 19:06:58 +000035/// TableGenStringKey - This is a wrapper for std::string suitable for
36/// using as a key to a DenseMap. Because there isn't a particularly
37/// good way to indicate tombstone or empty keys for strings, we want
38/// to wrap std::string to indicate that this is a "special" string
39/// not expected to take on certain values (those of the tombstone and
40/// empty keys). This makes things a little safer as it clarifies
41/// that DenseMap is really not appropriate for general strings.
42
43class TableGenStringKey {
44public:
45 TableGenStringKey(const std::string &str) : data(str) {}
46 TableGenStringKey(const char *str) : data(str) {}
47
48 const std::string &str() const { return data; }
Chandler Carruth08a47fd2012-03-05 10:36:16 +000049
50 friend hash_code hash_value(const TableGenStringKey &Value) {
51 using llvm::hash_value;
52 return hash_value(Value.str());
53 }
David Greeneea844f02011-07-29 19:06:58 +000054private:
55 std::string data;
56};
57
58/// Specialize DenseMapInfo for TableGenStringKey.
David Greeneea844f02011-07-29 19:06:58 +000059template<> struct DenseMapInfo<TableGenStringKey> {
60 static inline TableGenStringKey getEmptyKey() {
61 TableGenStringKey Empty("<<<EMPTY KEY>>>");
62 return Empty;
63 }
64 static inline TableGenStringKey getTombstoneKey() {
65 TableGenStringKey Tombstone("<<<TOMBSTONE KEY>>>");
66 return Tombstone;
67 }
68 static unsigned getHashValue(const TableGenStringKey& Val) {
Chandler Carruth08a47fd2012-03-05 10:36:16 +000069 using llvm::hash_value;
70 return hash_value(Val);
David Greeneea844f02011-07-29 19:06:58 +000071 }
72 static bool isEqual(const TableGenStringKey& LHS,
73 const TableGenStringKey& RHS) {
74 return LHS.str() == RHS.str();
75 }
76};
77
Chandler Carruth08a47fd2012-03-05 10:36:16 +000078} // namespace llvm
David Greeneea844f02011-07-29 19:06:58 +000079
80//===----------------------------------------------------------------------===//
Chris Lattnerf5bd1b72003-10-05 19:27:59 +000081// Type implementations
82//===----------------------------------------------------------------------===//
83
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +000084BitRecTy BitRecTy::Shared;
85IntRecTy IntRecTy::Shared;
86StringRecTy StringRecTy::Shared;
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +000087DagRecTy DagRecTy::Shared;
88
David Blaikiea379b1812011-12-20 02:50:00 +000089void RecTy::anchor() { }
Daniel Dunbar38a22bf2009-07-03 00:10:29 +000090void RecTy::dump() const { print(errs()); }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +000091
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +000092ListRecTy *RecTy::getListTy() {
93 if (!ListTy)
Craig Topper17b3a372015-04-24 05:38:48 +000094 ListTy.reset(new ListRecTy(this));
95 return ListTy.get();
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +000096}
97
Craig Toppera9642b42015-05-04 01:35:39 +000098bool RecTy::baseClassOf(const RecTy *RHS) const {
Sean Silva93be7d52013-01-07 02:30:19 +000099 assert (RHS && "NULL pointer");
100 return Kind == RHS->getRecTyKind();
101}
102
David Greeneaf8ee2c2011-07-29 22:43:06 +0000103Init *BitRecTy::convertValue(BitsInit *BI) {
Craig Topper011817a2014-04-09 04:50:04 +0000104 if (BI->getNumBits() != 1) return nullptr; // Only accept if just one bit!
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000105 return BI->getBit(0);
106}
107
David Greeneaf8ee2c2011-07-29 22:43:06 +0000108Init *BitRecTy::convertValue(IntInit *II) {
Dan Gohmanca0546f2008-10-17 01:33:43 +0000109 int64_t Val = II->getValue();
Craig Topper011817a2014-04-09 04:50:04 +0000110 if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit!
Misha Brukman650ba8e2005-04-22 00:00:37 +0000111
David Greenee32ebf22011-07-29 19:07:07 +0000112 return BitInit::get(Val != 0);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000113}
114
David Greeneaf8ee2c2011-07-29 22:43:06 +0000115Init *BitRecTy::convertValue(TypedInit *VI) {
Michael Liao026f8332012-09-06 23:32:48 +0000116 RecTy *Ty = VI->getType();
Pete Cooper99ad2a32014-08-07 05:46:57 +0000117 if (isa<BitRecTy>(Ty))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000118 return VI; // Accept variable if it is already of bit type!
Pete Cooper99ad2a32014-08-07 05:46:57 +0000119 if (auto *BitsTy = dyn_cast<BitsRecTy>(Ty))
120 // Accept only bits<1> expression.
121 return BitsTy->getNumBits() == 1 ? VI : nullptr;
Pete Cooper94891dd2014-08-07 05:47:10 +0000122 // Ternary !if can be converted to bit, but only if both sides are
123 // convertible to a bit.
124 if (TernOpInit *TOI = dyn_cast<TernOpInit>(VI)) {
125 if (TOI->getOpcode() != TernOpInit::TernaryOp::IF)
126 return nullptr;
127 if (!TOI->getMHS()->convertInitializerTo(BitRecTy::get()) ||
128 !TOI->getRHS()->convertInitializerTo(BitRecTy::get()))
129 return nullptr;
130 return TOI;
131 }
Craig Topper011817a2014-04-09 04:50:04 +0000132 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000133}
134
Sean Silva93be7d52013-01-07 02:30:19 +0000135bool BitRecTy::baseClassOf(const RecTy *RHS) const{
Craig Topperfe0cdf92015-04-22 04:18:32 +0000136 if(RecTy::baseClassOf(RHS) || RHS->getRecTyKind() == IntRecTyKind)
Sean Silva93be7d52013-01-07 02:30:19 +0000137 return true;
138 if(const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS))
139 return BitsTy->getNumBits() == 1;
140 return false;
141}
142
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000143BitsRecTy *BitsRecTy::get(unsigned Sz) {
Craig Topper17b3a372015-04-24 05:38:48 +0000144 static std::vector<std::unique_ptr<BitsRecTy>> Shared;
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000145 if (Sz >= Shared.size())
146 Shared.resize(Sz + 1);
Craig Topper17b3a372015-04-24 05:38:48 +0000147 std::unique_ptr<BitsRecTy> &Ty = Shared[Sz];
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000148 if (!Ty)
Craig Topper17b3a372015-04-24 05:38:48 +0000149 Ty.reset(new BitsRecTy(Sz));
150 return Ty.get();
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000151}
152
Chris Lattner8b9ecda2007-11-20 22:25:16 +0000153std::string BitsRecTy::getAsString() const {
154 return "bits<" + utostr(Size) + ">";
155}
156
David Greeneaf8ee2c2011-07-29 22:43:06 +0000157Init *BitsRecTy::convertValue(UnsetInit *UI) {
158 SmallVector<Init *, 16> NewBits(Size);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000159
160 for (unsigned i = 0; i != Size; ++i)
David Greenee32ebf22011-07-29 19:07:07 +0000161 NewBits[i] = UnsetInit::get();
David Greeneb3da8122011-07-29 19:07:00 +0000162
David Greenee32ebf22011-07-29 19:07:07 +0000163 return BitsInit::get(NewBits);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000164}
165
David Greeneaf8ee2c2011-07-29 22:43:06 +0000166Init *BitsRecTy::convertValue(BitInit *UI) {
Craig Topper011817a2014-04-09 04:50:04 +0000167 if (Size != 1) return nullptr; // Can only convert single bit.
Craig Topper64d94322014-02-27 03:11:13 +0000168 return BitsInit::get(UI);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000169}
170
Bill Wendling73ce4a62010-12-13 01:46:19 +0000171/// canFitInBitfield - Return true if the number of bits is large enough to hold
172/// the integer value.
173static bool canFitInBitfield(int64_t Value, unsigned NumBits) {
Nick Lewycky79286bf2011-06-03 08:25:39 +0000174 // For example, with NumBits == 4, we permit Values from [-7 .. 15].
175 return (NumBits >= sizeof(Value) * 8) ||
176 (Value >> NumBits == 0) || (Value >> (NumBits-1) == -1);
Bill Wendling73ce4a62010-12-13 01:46:19 +0000177}
178
Eric Christopher71520a82011-07-11 23:06:52 +0000179/// convertValue from Int initializer to bits type: Split the integer up into the
180/// appropriate bits.
Bill Wendling73ce4a62010-12-13 01:46:19 +0000181///
David Greeneaf8ee2c2011-07-29 22:43:06 +0000182Init *BitsRecTy::convertValue(IntInit *II) {
Misha Brukman6752fb52004-06-21 18:01:47 +0000183 int64_t Value = II->getValue();
Bill Wendling73a48d82010-12-10 22:54:30 +0000184 // Make sure this bitfield is large enough to hold the integer value.
Bill Wendling73ce4a62010-12-13 01:46:19 +0000185 if (!canFitInBitfield(Value, Size))
Craig Topper011817a2014-04-09 04:50:04 +0000186 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000187
David Greeneaf8ee2c2011-07-29 22:43:06 +0000188 SmallVector<Init *, 16> NewBits(Size);
David Greeneaf973b42011-07-11 18:25:51 +0000189
David Greeneb3da8122011-07-29 19:07:00 +0000190 for (unsigned i = 0; i != Size; ++i)
David Greenee32ebf22011-07-29 19:07:07 +0000191 NewBits[i] = BitInit::get(Value & (1LL << i));
David Greeneb3da8122011-07-29 19:07:00 +0000192
David Greenee32ebf22011-07-29 19:07:07 +0000193 return BitsInit::get(NewBits);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000194}
195
David Greeneaf8ee2c2011-07-29 22:43:06 +0000196Init *BitsRecTy::convertValue(BitsInit *BI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000197 // If the number of bits is right, return it. Otherwise we need to expand or
Bill Wendling73a48d82010-12-10 22:54:30 +0000198 // truncate.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000199 if (BI->getNumBits() == Size) return BI;
Craig Topper011817a2014-04-09 04:50:04 +0000200 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000201}
202
David Greeneaf8ee2c2011-07-29 22:43:06 +0000203Init *BitsRecTy::convertValue(TypedInit *VI) {
Sean Silvaa475e432012-10-05 03:32:00 +0000204 if (Size == 1 && isa<BitRecTy>(VI->getType()))
David Greenee32ebf22011-07-29 19:07:07 +0000205 return BitsInit::get(VI);
Misha Brukman650ba8e2005-04-22 00:00:37 +0000206
Michael Liao026f8332012-09-06 23:32:48 +0000207 if (VI->getType()->typeIsConvertibleTo(this)) {
208 SmallVector<Init *, 16> NewBits(Size);
Bill Wendling73ce4a62010-12-13 01:46:19 +0000209
Michael Liao026f8332012-09-06 23:32:48 +0000210 for (unsigned i = 0; i != Size; ++i)
211 NewBits[i] = VarBitInit::get(VI, i);
212 return BitsInit::get(NewBits);
Bill Wendling73ce4a62010-12-13 01:46:19 +0000213 }
214
Craig Topper011817a2014-04-09 04:50:04 +0000215 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000216}
217
Sean Silva93be7d52013-01-07 02:30:19 +0000218bool BitsRecTy::baseClassOf(const RecTy *RHS) const{
219 if (RecTy::baseClassOf(RHS)) //argument and the receiver are the same type
220 return cast<BitsRecTy>(RHS)->Size == Size;
221 RecTyKind kind = RHS->getRecTyKind();
222 return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind);
223}
224
David Greeneaf8ee2c2011-07-29 22:43:06 +0000225Init *IntRecTy::convertValue(BitInit *BI) {
David Greenee32ebf22011-07-29 19:07:07 +0000226 return IntInit::get(BI->getValue());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000227}
228
David Greeneaf8ee2c2011-07-29 22:43:06 +0000229Init *IntRecTy::convertValue(BitsInit *BI) {
Dan Gohmanca0546f2008-10-17 01:33:43 +0000230 int64_t Result = 0;
Misha Brukman650ba8e2005-04-22 00:00:37 +0000231 for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
Craig Toppera9642b42015-05-04 01:35:39 +0000232 if (BitInit *Bit = dyn_cast<BitInit>(BI->getBit(i)))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000233 Result |= Bit->getValue() << i;
Craig Toppera9642b42015-05-04 01:35:39 +0000234 else
Craig Topper011817a2014-04-09 04:50:04 +0000235 return nullptr;
David Greenee32ebf22011-07-29 19:07:07 +0000236 return IntInit::get(Result);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000237}
238
David Greeneaf8ee2c2011-07-29 22:43:06 +0000239Init *IntRecTy::convertValue(TypedInit *TI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000240 if (TI->getType()->typeIsConvertibleTo(this))
241 return TI; // Accept variable if already of the right type!
Craig Topper011817a2014-04-09 04:50:04 +0000242 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000243}
244
Sean Silva93be7d52013-01-07 02:30:19 +0000245bool IntRecTy::baseClassOf(const RecTy *RHS) const{
246 RecTyKind kind = RHS->getRecTyKind();
247 return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind;
248}
249
David Greeneaf8ee2c2011-07-29 22:43:06 +0000250Init *StringRecTy::convertValue(UnOpInit *BO) {
David Greenee8f3b272009-05-14 21:22:49 +0000251 if (BO->getOpcode() == UnOpInit::CAST) {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000252 Init *L = BO->getOperand()->convertInitializerTo(this);
Craig Topper011817a2014-04-09 04:50:04 +0000253 if (!L) return nullptr;
David Greenee8f3b272009-05-14 21:22:49 +0000254 if (L != BO->getOperand())
Craig Topperb15012b2015-04-22 02:09:47 +0000255 return UnOpInit::get(UnOpInit::CAST, L, StringRecTy::get());
David Greenee8f3b272009-05-14 21:22:49 +0000256 return BO;
257 }
David Greene5d0c0512009-05-14 20:54:48 +0000258
David Greeneaf8ee2c2011-07-29 22:43:06 +0000259 return convertValue((TypedInit*)BO);
David Greenee8f3b272009-05-14 21:22:49 +0000260}
David Greene5d0c0512009-05-14 20:54:48 +0000261
David Greeneaf8ee2c2011-07-29 22:43:06 +0000262Init *StringRecTy::convertValue(BinOpInit *BO) {
Chris Lattner51ffbf12006-03-31 21:53:49 +0000263 if (BO->getOpcode() == BinOpInit::STRCONCAT) {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000264 Init *L = BO->getLHS()->convertInitializerTo(this);
265 Init *R = BO->getRHS()->convertInitializerTo(this);
Craig Topper011817a2014-04-09 04:50:04 +0000266 if (!L || !R) return nullptr;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000267 if (L != BO->getLHS() || R != BO->getRHS())
Craig Topperb15012b2015-04-22 02:09:47 +0000268 return BinOpInit::get(BinOpInit::STRCONCAT, L, R, StringRecTy::get());
Chris Lattner51ffbf12006-03-31 21:53:49 +0000269 return BO;
270 }
David Greene196ac3c2009-04-23 21:25:15 +0000271
David Greeneaf8ee2c2011-07-29 22:43:06 +0000272 return convertValue((TypedInit*)BO);
Chris Lattner51ffbf12006-03-31 21:53:49 +0000273}
274
275
David Greeneaf8ee2c2011-07-29 22:43:06 +0000276Init *StringRecTy::convertValue(TypedInit *TI) {
Sean Silvaa475e432012-10-05 03:32:00 +0000277 if (isa<StringRecTy>(TI->getType()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000278 return TI; // Accept variable if already of the right type!
Craig Topper011817a2014-04-09 04:50:04 +0000279 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000280}
281
Chris Lattner8b9ecda2007-11-20 22:25:16 +0000282std::string ListRecTy::getAsString() const {
283 return "list<" + Ty->getAsString() + ">";
284}
285
David Greeneaf8ee2c2011-07-29 22:43:06 +0000286Init *ListRecTy::convertValue(ListInit *LI) {
287 std::vector<Init*> Elements;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000288
289 // Verify that all of the elements of the list are subclasses of the
290 // appropriate class!
291 for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
David Greeneaf8ee2c2011-07-29 22:43:06 +0000292 if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000293 Elements.push_back(CI);
294 else
Craig Topper011817a2014-04-09 04:50:04 +0000295 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000296
Sean Silvaa475e432012-10-05 03:32:00 +0000297 if (!isa<ListRecTy>(LI->getType()))
Craig Topper011817a2014-04-09 04:50:04 +0000298 return nullptr;
David Greene8618f952009-06-08 20:23:18 +0000299
David Greenee32ebf22011-07-29 19:07:07 +0000300 return ListInit::get(Elements, this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000301}
302
David Greeneaf8ee2c2011-07-29 22:43:06 +0000303Init *ListRecTy::convertValue(TypedInit *TI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000304 // Ensure that TI is compatible with our class.
Sean Silva98c61712012-10-05 03:31:58 +0000305 if (ListRecTy *LRT = dyn_cast<ListRecTy>(TI->getType()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000306 if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
307 return TI;
Craig Topper011817a2014-04-09 04:50:04 +0000308 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000309}
310
Sean Silva93be7d52013-01-07 02:30:19 +0000311bool ListRecTy::baseClassOf(const RecTy *RHS) const{
312 if(const ListRecTy* ListTy = dyn_cast<ListRecTy>(RHS))
313 return ListTy->getElementType()->typeIsConvertibleTo(Ty);
314 return false;
315}
316
David Greeneaf8ee2c2011-07-29 22:43:06 +0000317Init *DagRecTy::convertValue(TypedInit *TI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000318 if (TI->getType()->typeIsConvertibleTo(this))
319 return TI;
Craig Topper011817a2014-04-09 04:50:04 +0000320 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000321}
322
David Greeneaf8ee2c2011-07-29 22:43:06 +0000323Init *DagRecTy::convertValue(UnOpInit *BO) {
David Greenee8f3b272009-05-14 21:22:49 +0000324 if (BO->getOpcode() == UnOpInit::CAST) {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000325 Init *L = BO->getOperand()->convertInitializerTo(this);
Craig Topper011817a2014-04-09 04:50:04 +0000326 if (!L) return nullptr;
David Greenee8f3b272009-05-14 21:22:49 +0000327 if (L != BO->getOperand())
David Greenee32ebf22011-07-29 19:07:07 +0000328 return UnOpInit::get(UnOpInit::CAST, L, new DagRecTy);
David Greenee8f3b272009-05-14 21:22:49 +0000329 return BO;
330 }
Craig Topper011817a2014-04-09 04:50:04 +0000331 return nullptr;
David Greenee8f3b272009-05-14 21:22:49 +0000332}
David Greene5d0c0512009-05-14 20:54:48 +0000333
David Greeneaf8ee2c2011-07-29 22:43:06 +0000334Init *DagRecTy::convertValue(BinOpInit *BO) {
Evan Chenga32dee22007-05-15 01:23:24 +0000335 if (BO->getOpcode() == BinOpInit::CONCAT) {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000336 Init *L = BO->getLHS()->convertInitializerTo(this);
337 Init *R = BO->getRHS()->convertInitializerTo(this);
Craig Topper011817a2014-04-09 04:50:04 +0000338 if (!L || !R) return nullptr;
Evan Chenga32dee22007-05-15 01:23:24 +0000339 if (L != BO->getLHS() || R != BO->getRHS())
David Greenee32ebf22011-07-29 19:07:07 +0000340 return BinOpInit::get(BinOpInit::CONCAT, L, R, new DagRecTy);
Evan Chenga32dee22007-05-15 01:23:24 +0000341 return BO;
342 }
Craig Topper011817a2014-04-09 04:50:04 +0000343 return nullptr;
Evan Chenga32dee22007-05-15 01:23:24 +0000344}
345
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000346RecordRecTy *RecordRecTy::get(Record *R) {
Craig Topperb534eab2015-04-22 02:59:06 +0000347 return dyn_cast<RecordRecTy>(R->getDefInit()->getType());
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000348}
349
Chris Lattner8b9ecda2007-11-20 22:25:16 +0000350std::string RecordRecTy::getAsString() const {
351 return Rec->getName();
352}
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000353
David Greeneaf8ee2c2011-07-29 22:43:06 +0000354Init *RecordRecTy::convertValue(DefInit *DI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000355 // Ensure that DI is a subclass of Rec.
356 if (!DI->getDef()->isSubClassOf(Rec))
Craig Topper011817a2014-04-09 04:50:04 +0000357 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000358 return DI;
359}
360
David Greeneaf8ee2c2011-07-29 22:43:06 +0000361Init *RecordRecTy::convertValue(TypedInit *TI) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000362 // Ensure that TI is compatible with Rec.
Sean Silva98c61712012-10-05 03:31:58 +0000363 if (RecordRecTy *RRT = dyn_cast<RecordRecTy>(TI->getType()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000364 if (RRT->getRecord()->isSubClassOf(getRecord()) ||
365 RRT->getRecord() == getRecord())
366 return TI;
Craig Topper011817a2014-04-09 04:50:04 +0000367 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000368}
369
Sean Silva93be7d52013-01-07 02:30:19 +0000370bool RecordRecTy::baseClassOf(const RecTy *RHS) const{
371 const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS);
372 if (!RTy)
373 return false;
374
375 if (Rec == RTy->getRecord() || RTy->getRecord()->isSubClassOf(Rec))
Bruno Cardoso Lopesdeb20022010-06-17 23:00:16 +0000376 return true;
377
378 const std::vector<Record*> &SC = Rec->getSuperClasses();
379 for (unsigned i = 0, e = SC.size(); i != e; ++i)
Sean Silva93be7d52013-01-07 02:30:19 +0000380 if (RTy->getRecord()->isSubClassOf(SC[i]))
Bruno Cardoso Lopesdeb20022010-06-17 23:00:16 +0000381 return true;
382
383 return false;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000384}
385
Bob Wilson7248f862009-11-22 04:24:42 +0000386/// resolveTypes - Find a common type that T1 and T2 convert to.
Craig Toppere8005f92015-04-22 04:18:27 +0000387/// Return null if no such type exists.
David Greene8618f952009-06-08 20:23:18 +0000388///
389RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) {
Sean Silva8f43c6f2012-09-19 02:14:59 +0000390 if (T1->typeIsConvertibleTo(T2))
David Greene8618f952009-06-08 20:23:18 +0000391 return T2;
Sean Silva8f43c6f2012-09-19 02:14:59 +0000392 if (T2->typeIsConvertibleTo(T1))
393 return T1;
394
395 // If one is a Record type, check superclasses
Sean Silva98c61712012-10-05 03:31:58 +0000396 if (RecordRecTy *RecTy1 = dyn_cast<RecordRecTy>(T1)) {
Sean Silva8f43c6f2012-09-19 02:14:59 +0000397 // See if T2 inherits from a type T1 also inherits from
Craig Topper1f429e42015-04-22 05:27:47 +0000398 for (Record *SuperRec1 : RecTy1->getRecord()->getSuperClasses()) {
399 RecordRecTy *SuperRecTy1 = RecordRecTy::get(SuperRec1);
Sean Silva8f43c6f2012-09-19 02:14:59 +0000400 RecTy *NewType1 = resolveTypes(SuperRecTy1, T2);
Craig Topperd0599132015-04-22 05:27:11 +0000401 if (NewType1)
Sean Silva8f43c6f2012-09-19 02:14:59 +0000402 return NewType1;
Sean Silva8f43c6f2012-09-19 02:14:59 +0000403 }
David Greene8618f952009-06-08 20:23:18 +0000404 }
Sean Silva98c61712012-10-05 03:31:58 +0000405 if (RecordRecTy *RecTy2 = dyn_cast<RecordRecTy>(T2)) {
Sean Silva8f43c6f2012-09-19 02:14:59 +0000406 // See if T1 inherits from a type T2 also inherits from
Craig Topper1f429e42015-04-22 05:27:47 +0000407 for (Record *SuperRec2 : RecTy2->getRecord()->getSuperClasses()) {
408 RecordRecTy *SuperRecTy2 = RecordRecTy::get(SuperRec2);
Sean Silva8f43c6f2012-09-19 02:14:59 +0000409 RecTy *NewType2 = resolveTypes(T1, SuperRecTy2);
Craig Topperd0599132015-04-22 05:27:11 +0000410 if (NewType2)
Sean Silva8f43c6f2012-09-19 02:14:59 +0000411 return NewType2;
Sean Silva8f43c6f2012-09-19 02:14:59 +0000412 }
413 }
Craig Topper011817a2014-04-09 04:50:04 +0000414 return nullptr;
David Greene8618f952009-06-08 20:23:18 +0000415}
416
417
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000418//===----------------------------------------------------------------------===//
419// Initializer implementations
420//===----------------------------------------------------------------------===//
421
David Blaikiea379b1812011-12-20 02:50:00 +0000422void Init::anchor() { }
Daniel Dunbar38a22bf2009-07-03 00:10:29 +0000423void Init::dump() const { return print(errs()); }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000424
David Blaikiea379b1812011-12-20 02:50:00 +0000425void UnsetInit::anchor() { }
426
David Greeneaf8ee2c2011-07-29 22:43:06 +0000427UnsetInit *UnsetInit::get() {
428 static UnsetInit TheInit;
David Greene377e12c2011-07-29 19:07:09 +0000429 return &TheInit;
David Greenee32ebf22011-07-29 19:07:07 +0000430}
431
David Blaikiea379b1812011-12-20 02:50:00 +0000432void BitInit::anchor() { }
433
David Greeneaf8ee2c2011-07-29 22:43:06 +0000434BitInit *BitInit::get(bool V) {
435 static BitInit True(true);
436 static BitInit False(false);
David Greene772b2c62011-07-29 19:07:10 +0000437
438 return V ? &True : &False;
David Greenee32ebf22011-07-29 19:07:07 +0000439}
440
David Greenedc7b96e2011-07-29 19:07:11 +0000441static void
David Greeneaf8ee2c2011-07-29 22:43:06 +0000442ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) {
David Greenedc7b96e2011-07-29 19:07:11 +0000443 ID.AddInteger(Range.size());
444
Craig Topper119998d2015-04-29 07:13:14 +0000445 for (Init *I : Range)
446 ID.AddPointer(I);
David Greenedc7b96e2011-07-29 19:07:11 +0000447}
448
David Greeneaf8ee2c2011-07-29 22:43:06 +0000449BitsInit *BitsInit::get(ArrayRef<Init *> Range) {
Craig Topper17b3a372015-04-24 05:38:48 +0000450 static FoldingSet<BitsInit> ThePool;
451 static std::vector<std::unique_ptr<BitsInit>> TheActualPool;
David Greenedc7b96e2011-07-29 19:07:11 +0000452
453 FoldingSetNodeID ID;
454 ProfileBitsInit(ID, Range);
455
Craig Topper011817a2014-04-09 04:50:04 +0000456 void *IP = nullptr;
David Greeneaf8ee2c2011-07-29 22:43:06 +0000457 if (BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
David Greenedc7b96e2011-07-29 19:07:11 +0000458 return I;
459
460 BitsInit *I = new BitsInit(Range);
461 ThePool.InsertNode(I, IP);
Craig Topper17b3a372015-04-24 05:38:48 +0000462 TheActualPool.push_back(std::unique_ptr<BitsInit>(I));
David Greenedc7b96e2011-07-29 19:07:11 +0000463 return I;
464}
465
466void BitsInit::Profile(FoldingSetNodeID &ID) const {
467 ProfileBitsInit(ID, Bits);
David Greenee32ebf22011-07-29 19:07:07 +0000468}
469
David Greeneaf8ee2c2011-07-29 22:43:06 +0000470Init *
David Greene1aa0e3e2011-07-29 19:07:05 +0000471BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000472 SmallVector<Init *, 16> NewBits(Bits.size());
David Greeneb3da8122011-07-29 19:07:00 +0000473
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000474 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
David Greeneb3da8122011-07-29 19:07:00 +0000475 if (Bits[i] >= getNumBits())
Craig Topper011817a2014-04-09 04:50:04 +0000476 return nullptr;
David Greeneb3da8122011-07-29 19:07:00 +0000477 NewBits[i] = getBit(Bits[i]);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000478 }
David Greenee32ebf22011-07-29 19:07:07 +0000479 return BitsInit::get(NewBits);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000480}
481
Chris Lattner695506c2007-11-22 21:05:25 +0000482std::string BitsInit::getAsString() const {
Chris Lattner695506c2007-11-22 21:05:25 +0000483 std::string Result = "{ ";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000484 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
Chris Lattner695506c2007-11-22 21:05:25 +0000485 if (i) Result += ", ";
David Greeneaf8ee2c2011-07-29 22:43:06 +0000486 if (Init *Bit = getBit(e-i-1))
Chris Lattner695506c2007-11-22 21:05:25 +0000487 Result += Bit->getAsString();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000488 else
Chris Lattner695506c2007-11-22 21:05:25 +0000489 Result += "*";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000490 }
Chris Lattner695506c2007-11-22 21:05:25 +0000491 return Result + " }";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000492}
493
Michael Liao026f8332012-09-06 23:32:48 +0000494// Fix bit initializer to preserve the behavior that bit reference from a unset
495// bits initializer will resolve into VarBitInit to keep the field name and bit
496// number used in targets with fixed insn length.
497static Init *fixBitInit(const RecordVal *RV, Init *Before, Init *After) {
Craig Topper1bf3d1f2015-04-22 02:09:45 +0000498 if (RV || !isa<UnsetInit>(After))
Michael Liao026f8332012-09-06 23:32:48 +0000499 return After;
500 return Before;
501}
502
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000503// resolveReferences - If there are any field references that refer to fields
504// that have been filled in, we can propagate the values now.
505//
David Greeneaf8ee2c2011-07-29 22:43:06 +0000506Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000507 bool Changed = false;
David Greeneaf8ee2c2011-07-29 22:43:06 +0000508 SmallVector<Init *, 16> NewBits(getNumBits());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000509
Craig Topper011817a2014-04-09 04:50:04 +0000510 Init *CachedInit = nullptr;
511 Init *CachedBitVar = nullptr;
Michael Liao026f8332012-09-06 23:32:48 +0000512 bool CachedBitVarChanged = false;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000513
Michael Liao026f8332012-09-06 23:32:48 +0000514 for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
515 Init *CurBit = Bits[i];
516 Init *CurBitVar = CurBit->getBitVar();
517
David Greeneb3da8122011-07-29 19:07:00 +0000518 NewBits[i] = CurBit;
Michael Liao026f8332012-09-06 23:32:48 +0000519
520 if (CurBitVar == CachedBitVar) {
521 if (CachedBitVarChanged) {
522 Init *Bit = CachedInit->getBit(CurBit->getBitNum());
523 NewBits[i] = fixBitInit(RV, CurBit, Bit);
524 }
525 continue;
526 }
527 CachedBitVar = CurBitVar;
528 CachedBitVarChanged = false;
529
530 Init *B;
531 do {
532 B = CurBitVar;
533 CurBitVar = CurBitVar->resolveReferences(R, RV);
534 CachedBitVarChanged |= B != CurBitVar;
535 Changed |= B != CurBitVar;
536 } while (B != CurBitVar);
537 CachedInit = CurBitVar;
538
539 if (CachedBitVarChanged) {
540 Init *Bit = CurBitVar->getBit(CurBit->getBitNum());
541 NewBits[i] = fixBitInit(RV, CurBit, Bit);
542 }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000543 }
544
545 if (Changed)
David Greenee32ebf22011-07-29 19:07:07 +0000546 return BitsInit::get(NewBits);
David Greeneb3da8122011-07-29 19:07:00 +0000547
David Greeneaf8ee2c2011-07-29 22:43:06 +0000548 return const_cast<BitsInit *>(this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000549}
550
David Greeneaf8ee2c2011-07-29 22:43:06 +0000551IntInit *IntInit::get(int64_t V) {
Craig Topper0e04bee2015-04-22 02:20:44 +0000552 static DenseMap<int64_t, std::unique_ptr<IntInit>> ThePool;
David Greenea44263c2011-07-29 19:07:12 +0000553
Craig Topper0e04bee2015-04-22 02:20:44 +0000554 std::unique_ptr<IntInit> &I = ThePool[V];
555 if (!I) I.reset(new IntInit(V));
556 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +0000557}
558
Chris Lattner695506c2007-11-22 21:05:25 +0000559std::string IntInit::getAsString() const {
560 return itostr(Value);
561}
562
David Greeneaf8ee2c2011-07-29 22:43:06 +0000563Init *
David Greene1aa0e3e2011-07-29 19:07:05 +0000564IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000565 SmallVector<Init *, 16> NewBits(Bits.size());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000566
567 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
David Greeneb3da8122011-07-29 19:07:00 +0000568 if (Bits[i] >= 64)
Craig Topper011817a2014-04-09 04:50:04 +0000569 return nullptr;
David Greeneb3da8122011-07-29 19:07:00 +0000570
David Greenee32ebf22011-07-29 19:07:07 +0000571 NewBits[i] = BitInit::get(Value & (INT64_C(1) << Bits[i]));
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000572 }
David Greenee32ebf22011-07-29 19:07:07 +0000573 return BitsInit::get(NewBits);
574}
575
David Blaikiea379b1812011-12-20 02:50:00 +0000576void StringInit::anchor() { }
577
Jakob Stoklund Olesen9d1c5ee2012-01-13 03:16:35 +0000578StringInit *StringInit::get(StringRef V) {
Craig Topper0e04bee2015-04-22 02:20:44 +0000579 static StringMap<std::unique_ptr<StringInit>> ThePool;
David Greene3ff33c92011-07-29 19:07:14 +0000580
Craig Topper0e04bee2015-04-22 02:20:44 +0000581 std::unique_ptr<StringInit> &I = ThePool[V];
582 if (!I) I.reset(new StringInit(V));
583 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +0000584}
585
David Greenec52270b2011-07-29 19:07:16 +0000586static void ProfileListInit(FoldingSetNodeID &ID,
David Greeneaf8ee2c2011-07-29 22:43:06 +0000587 ArrayRef<Init *> Range,
David Greenec52270b2011-07-29 19:07:16 +0000588 RecTy *EltTy) {
589 ID.AddInteger(Range.size());
590 ID.AddPointer(EltTy);
591
Craig Topper119998d2015-04-29 07:13:14 +0000592 for (Init *I : Range)
593 ID.AddPointer(I);
David Greenec52270b2011-07-29 19:07:16 +0000594}
595
David Greeneaf8ee2c2011-07-29 22:43:06 +0000596ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) {
Craig Topper17b3a372015-04-24 05:38:48 +0000597 static FoldingSet<ListInit> ThePool;
Daniel Sanders2b6b3d12014-05-08 09:29:28 +0000598 static std::vector<std::unique_ptr<ListInit>> TheActualPool;
David Greenec52270b2011-07-29 19:07:16 +0000599
David Greenec52270b2011-07-29 19:07:16 +0000600 FoldingSetNodeID ID;
601 ProfileListInit(ID, Range, EltTy);
602
Craig Topper011817a2014-04-09 04:50:04 +0000603 void *IP = nullptr;
David Greeneaf8ee2c2011-07-29 22:43:06 +0000604 if (ListInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
David Greenec52270b2011-07-29 19:07:16 +0000605 return I;
606
607 ListInit *I = new ListInit(Range, EltTy);
608 ThePool.InsertNode(I, IP);
Daniel Sanders2b6b3d12014-05-08 09:29:28 +0000609 TheActualPool.push_back(std::unique_ptr<ListInit>(I));
David Greenec52270b2011-07-29 19:07:16 +0000610 return I;
611}
612
613void ListInit::Profile(FoldingSetNodeID &ID) const {
Craig Toppered5a9502015-04-29 07:13:05 +0000614 RecTy *EltTy = cast<ListRecTy>(getType())->getElementType();
David Greenec52270b2011-07-29 19:07:16 +0000615
616 ProfileListInit(ID, Values, EltTy);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000617}
618
David Greeneaf8ee2c2011-07-29 22:43:06 +0000619Init *
David Greene1aa0e3e2011-07-29 19:07:05 +0000620ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000621 std::vector<Init*> Vals;
Chris Lattner8bf9e062004-07-26 23:21:34 +0000622 for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
623 if (Elements[i] >= getSize())
Craig Topper011817a2014-04-09 04:50:04 +0000624 return nullptr;
Chris Lattner8bf9e062004-07-26 23:21:34 +0000625 Vals.push_back(getElement(Elements[i]));
626 }
David Greenee32ebf22011-07-29 19:07:07 +0000627 return ListInit::get(Vals, getType());
Chris Lattner8bf9e062004-07-26 23:21:34 +0000628}
629
Chris Lattnercbebe462007-02-27 22:08:27 +0000630Record *ListInit::getElementAsRecord(unsigned i) const {
631 assert(i < Values.size() && "List element index out of range!");
Sean Silvafb509ed2012-10-10 20:24:43 +0000632 DefInit *DI = dyn_cast<DefInit>(Values[i]);
Craig Topper011817a2014-04-09 04:50:04 +0000633 if (!DI)
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000634 PrintFatalError("Expected record in list!");
Chris Lattnercbebe462007-02-27 22:08:27 +0000635 return DI->getDef();
636}
637
David Greeneaf8ee2c2011-07-29 22:43:06 +0000638Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) const {
639 std::vector<Init*> Resolved;
Chris Lattner577fc3f2004-07-27 01:01:21 +0000640 Resolved.reserve(getSize());
641 bool Changed = false;
642
643 for (unsigned i = 0, e = getSize(); i != e; ++i) {
David Greeneaf8ee2c2011-07-29 22:43:06 +0000644 Init *E;
645 Init *CurElt = getElement(i);
Chris Lattner577fc3f2004-07-27 01:01:21 +0000646
647 do {
648 E = CurElt;
Chris Lattneref943742005-04-19 03:36:21 +0000649 CurElt = CurElt->resolveReferences(R, RV);
Chris Lattner577fc3f2004-07-27 01:01:21 +0000650 Changed |= E != CurElt;
651 } while (E != CurElt);
652 Resolved.push_back(E);
653 }
654
655 if (Changed)
David Greenee32ebf22011-07-29 19:07:07 +0000656 return ListInit::get(Resolved, getType());
David Greeneaf8ee2c2011-07-29 22:43:06 +0000657 return const_cast<ListInit *>(this);
Chris Lattner577fc3f2004-07-27 01:01:21 +0000658}
659
David Greeneaf8ee2c2011-07-29 22:43:06 +0000660Init *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV,
661 unsigned Elt) const {
David Greene8618f952009-06-08 20:23:18 +0000662 if (Elt >= getSize())
Craig Topper011817a2014-04-09 04:50:04 +0000663 return nullptr; // Out of range reference.
David Greeneaf8ee2c2011-07-29 22:43:06 +0000664 Init *E = getElement(Elt);
Bob Wilson67e6cab2009-11-22 03:58:57 +0000665 // If the element is set to some value, or if we are resolving a reference
666 // to a specific variable and that variable is explicitly unset, then
667 // replace the VarListElementInit with it.
Sean Silva88eb8dd2012-10-10 20:24:47 +0000668 if (IRV || !isa<UnsetInit>(E))
Bob Wilson67e6cab2009-11-22 03:58:57 +0000669 return E;
Craig Topper011817a2014-04-09 04:50:04 +0000670 return nullptr;
David Greene8618f952009-06-08 20:23:18 +0000671}
672
Chris Lattner695506c2007-11-22 21:05:25 +0000673std::string ListInit::getAsString() const {
674 std::string Result = "[";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000675 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
Chris Lattner695506c2007-11-22 21:05:25 +0000676 if (i) Result += ", ";
677 Result += Values[i]->getAsString();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000678 }
Chris Lattner695506c2007-11-22 21:05:25 +0000679 return Result + "]";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +0000680}
681
David Greeneaf8ee2c2011-07-29 22:43:06 +0000682Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV,
683 unsigned Elt) const {
David Greenea8b8ab62011-10-04 18:55:36 +0000684 Init *Resolved = resolveReferences(R, IRV);
Sean Silvafb509ed2012-10-10 20:24:43 +0000685 OpInit *OResolved = dyn_cast<OpInit>(Resolved);
David Greenea8b8ab62011-10-04 18:55:36 +0000686 if (OResolved) {
Craig Topper011817a2014-04-09 04:50:04 +0000687 Resolved = OResolved->Fold(&R, nullptr);
David Greenea8b8ab62011-10-04 18:55:36 +0000688 }
David Greene5d0c0512009-05-14 20:54:48 +0000689
David Greenea8b8ab62011-10-04 18:55:36 +0000690 if (Resolved != this) {
Craig Toppered5a9502015-04-29 07:13:05 +0000691 TypedInit *Typed = cast<TypedInit>(Resolved);
692 if (Init *New = Typed->resolveListElementReference(R, IRV, Elt))
693 return New;
694 return VarListElementInit::get(Typed, Elt);
David Greene5d0c0512009-05-14 20:54:48 +0000695 }
Bob Wilson7248f862009-11-22 04:24:42 +0000696
Craig Topper011817a2014-04-09 04:50:04 +0000697 return nullptr;
David Greene5d0c0512009-05-14 20:54:48 +0000698}
699
Michael Liao026f8332012-09-06 23:32:48 +0000700Init *OpInit::getBit(unsigned Bit) const {
701 if (getType() == BitRecTy::get())
702 return const_cast<OpInit*>(this);
703 return VarBitInit::get(const_cast<OpInit*>(this), Bit);
704}
705
David Greeneaf8ee2c2011-07-29 22:43:06 +0000706UnOpInit *UnOpInit::get(UnaryOp opc, Init *lhs, RecTy *Type) {
707 typedef std::pair<std::pair<unsigned, Init *>, RecTy *> Key;
Craig Topper0e04bee2015-04-22 02:20:44 +0000708 static DenseMap<Key, std::unique_ptr<UnOpInit>> ThePool;
David Greene2b6c8b32011-07-29 19:07:18 +0000709
710 Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type));
711
Craig Topper0e04bee2015-04-22 02:20:44 +0000712 std::unique_ptr<UnOpInit> &I = ThePool[TheKey];
713 if (!I) I.reset(new UnOpInit(opc, lhs, Type));
714 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +0000715}
716
David Greeneaf8ee2c2011-07-29 22:43:06 +0000717Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
David Greenee8f3b272009-05-14 21:22:49 +0000718 switch (getOpcode()) {
David Greenee8f3b272009-05-14 21:22:49 +0000719 case CAST: {
David Greeneefa19612009-06-29 20:05:29 +0000720 if (getType()->getAsString() == "string") {
Sean Silva88eb8dd2012-10-10 20:24:47 +0000721 if (StringInit *LHSs = dyn_cast<StringInit>(LHS))
David Greeneefa19612009-06-29 20:05:29 +0000722 return LHSs;
David Greene5d0c0512009-05-14 20:54:48 +0000723
Sean Silva88eb8dd2012-10-10 20:24:47 +0000724 if (DefInit *LHSd = dyn_cast<DefInit>(LHS))
David Greenee32ebf22011-07-29 19:07:07 +0000725 return StringInit::get(LHSd->getDef()->getName());
David Greene6291f3a2012-01-30 20:47:04 +0000726
Sean Silva88eb8dd2012-10-10 20:24:47 +0000727 if (IntInit *LHSi = dyn_cast<IntInit>(LHS))
David Greene6291f3a2012-01-30 20:47:04 +0000728 return StringInit::get(LHSi->getAsString());
Bob Wilson7248f862009-11-22 04:24:42 +0000729 } else {
Sean Silva88eb8dd2012-10-10 20:24:47 +0000730 if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) {
David Greeneefa19612009-06-29 20:05:29 +0000731 std::string Name = LHSs->getValue();
732
733 // From TGParser::ParseIDValue
734 if (CurRec) {
735 if (const RecordVal *RV = CurRec->getValue(Name)) {
Chris Lattner94026332010-10-06 00:19:21 +0000736 if (RV->getType() != getType())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000737 PrintFatalError("type mismatch in cast");
David Greenee32ebf22011-07-29 19:07:07 +0000738 return VarInit::get(Name, RV->getType());
David Greenee8f3b272009-05-14 21:22:49 +0000739 }
David Greeneefa19612009-06-29 20:05:29 +0000740
David Greenedb10e692011-10-19 13:02:42 +0000741 Init *TemplateArgName = QualifyName(*CurRec, CurMultiClass, Name,
742 ":");
Craig Toppera9642b42015-05-04 01:35:39 +0000743
David Greeneefa19612009-06-29 20:05:29 +0000744 if (CurRec->isTemplateArg(TemplateArgName)) {
745 const RecordVal *RV = CurRec->getValue(TemplateArgName);
746 assert(RV && "Template arg doesn't exist??");
747
Chris Lattner94026332010-10-06 00:19:21 +0000748 if (RV->getType() != getType())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000749 PrintFatalError("type mismatch in cast");
David Greeneefa19612009-06-29 20:05:29 +0000750
David Greenee32ebf22011-07-29 19:07:07 +0000751 return VarInit::get(TemplateArgName, RV->getType());
David Greeneefa19612009-06-29 20:05:29 +0000752 }
753 }
754
755 if (CurMultiClass) {
Craig Toppera9642b42015-05-04 01:35:39 +0000756 Init *MCName = QualifyName(CurMultiClass->Rec, CurMultiClass, Name,
757 "::");
David Greenedb10e692011-10-19 13:02:42 +0000758
David Greeneefa19612009-06-29 20:05:29 +0000759 if (CurMultiClass->Rec.isTemplateArg(MCName)) {
760 const RecordVal *RV = CurMultiClass->Rec.getValue(MCName);
761 assert(RV && "Template arg doesn't exist??");
Bob Wilson7248f862009-11-22 04:24:42 +0000762
Chris Lattner94026332010-10-06 00:19:21 +0000763 if (RV->getType() != getType())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000764 PrintFatalError("type mismatch in cast");
Bob Wilson7248f862009-11-22 04:24:42 +0000765
David Greenee32ebf22011-07-29 19:07:07 +0000766 return VarInit::get(MCName, RV->getType());
David Greeneefa19612009-06-29 20:05:29 +0000767 }
David Greenee8f3b272009-05-14 21:22:49 +0000768 }
Michael Ilseman5be22a12014-12-12 21:48:03 +0000769 assert(CurRec && "NULL pointer");
Chris Lattner77d369c2010-12-13 00:23:57 +0000770 if (Record *D = (CurRec->getRecords()).getDef(Name))
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +0000771 return DefInit::get(D);
David Greene5d0c0512009-05-14 20:54:48 +0000772
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000773 PrintFatalError(CurRec->getLoc(),
774 "Undefined reference:'" + Name + "'\n");
David Greenee8f3b272009-05-14 21:22:49 +0000775 }
David Greenee8f3b272009-05-14 21:22:49 +0000776 }
777 break;
778 }
David Greene2f7cf7f2011-01-07 17:05:37 +0000779 case HEAD: {
Sean Silva88eb8dd2012-10-10 20:24:47 +0000780 if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
Craig Topperec9072d2015-05-14 05:53:53 +0000781 assert(!LHSl->empty() && "Empty list in car");
David Greened571b3c2009-05-14 22:38:31 +0000782 return LHSl->getElement(0);
783 }
784 break;
785 }
David Greene2f7cf7f2011-01-07 17:05:37 +0000786 case TAIL: {
Sean Silva88eb8dd2012-10-10 20:24:47 +0000787 if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
Craig Topperec9072d2015-05-14 05:53:53 +0000788 assert(!LHSl->empty() && "Empty list in cdr");
David Greenee32ebf22011-07-29 19:07:07 +0000789 // Note the +1. We can't just pass the result of getValues()
790 // directly.
Craig Topper607ac922015-05-13 06:57:51 +0000791 return ListInit::get(LHSl->getValues().slice(1), LHSl->getType());
David Greened571b3c2009-05-14 22:38:31 +0000792 }
793 break;
794 }
David Greene2f7cf7f2011-01-07 17:05:37 +0000795 case EMPTY: {
Sean Silva88eb8dd2012-10-10 20:24:47 +0000796 if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
Craig Topperec9072d2015-05-14 05:53:53 +0000797 if (LHSl->empty())
David Greenee32ebf22011-07-29 19:07:07 +0000798 return IntInit::get(1);
Craig Toppera9642b42015-05-04 01:35:39 +0000799 return IntInit::get(0);
David Greened571b3c2009-05-14 22:38:31 +0000800 }
Sean Silva88eb8dd2012-10-10 20:24:47 +0000801 if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) {
Craig Toppera9642b42015-05-04 01:35:39 +0000802 if (LHSs->getValue().empty())
David Greenee32ebf22011-07-29 19:07:07 +0000803 return IntInit::get(1);
Craig Toppera9642b42015-05-04 01:35:39 +0000804 return IntInit::get(0);
David Greene8618f952009-06-08 20:23:18 +0000805 }
Bob Wilson7248f862009-11-22 04:24:42 +0000806
David Greened571b3c2009-05-14 22:38:31 +0000807 break;
808 }
David Greenee8f3b272009-05-14 21:22:49 +0000809 }
David Greeneaf8ee2c2011-07-29 22:43:06 +0000810 return const_cast<UnOpInit *>(this);
David Greenee8f3b272009-05-14 21:22:49 +0000811}
David Greene5d0c0512009-05-14 20:54:48 +0000812
David Greeneaf8ee2c2011-07-29 22:43:06 +0000813Init *UnOpInit::resolveReferences(Record &R, const RecordVal *RV) const {
814 Init *lhs = LHS->resolveReferences(R, RV);
Bob Wilson7248f862009-11-22 04:24:42 +0000815
David Greenee8f3b272009-05-14 21:22:49 +0000816 if (LHS != lhs)
Craig Topper011817a2014-04-09 04:50:04 +0000817 return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, nullptr);
818 return Fold(&R, nullptr);
David Greenee8f3b272009-05-14 21:22:49 +0000819}
David Greene5d0c0512009-05-14 20:54:48 +0000820
David Greenee8f3b272009-05-14 21:22:49 +0000821std::string UnOpInit::getAsString() const {
822 std::string Result;
823 switch (Opc) {
824 case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break;
David Greene2f7cf7f2011-01-07 17:05:37 +0000825 case HEAD: Result = "!head"; break;
826 case TAIL: Result = "!tail"; break;
827 case EMPTY: Result = "!empty"; break;
David Greenee8f3b272009-05-14 21:22:49 +0000828 }
829 return Result + "(" + LHS->getAsString() + ")";
830}
David Greene5d0c0512009-05-14 20:54:48 +0000831
David Greeneaf8ee2c2011-07-29 22:43:06 +0000832BinOpInit *BinOpInit::get(BinaryOp opc, Init *lhs,
833 Init *rhs, RecTy *Type) {
David Greene3acab9c2011-07-29 19:07:19 +0000834 typedef std::pair<
David Greeneaf8ee2c2011-07-29 22:43:06 +0000835 std::pair<std::pair<unsigned, Init *>, Init *>,
David Greene3acab9c2011-07-29 19:07:19 +0000836 RecTy *
837 > Key;
838
Craig Topper0e04bee2015-04-22 02:20:44 +0000839 static DenseMap<Key, std::unique_ptr<BinOpInit>> ThePool;
David Greene3acab9c2011-07-29 19:07:19 +0000840
841 Key TheKey(std::make_pair(std::make_pair(std::make_pair(opc, lhs), rhs),
842 Type));
843
Craig Topper0e04bee2015-04-22 02:20:44 +0000844 std::unique_ptr<BinOpInit> &I = ThePool[TheKey];
845 if (!I) I.reset(new BinOpInit(opc, lhs, rhs, Type));
846 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +0000847}
848
David Greeneaf8ee2c2011-07-29 22:43:06 +0000849Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
Chris Lattner51ffbf12006-03-31 21:53:49 +0000850 switch (getOpcode()) {
Evan Chenga32dee22007-05-15 01:23:24 +0000851 case CONCAT: {
Sean Silvafb509ed2012-10-10 20:24:43 +0000852 DagInit *LHSs = dyn_cast<DagInit>(LHS);
853 DagInit *RHSs = dyn_cast<DagInit>(RHS);
Evan Chenga32dee22007-05-15 01:23:24 +0000854 if (LHSs && RHSs) {
Sean Silvafb509ed2012-10-10 20:24:43 +0000855 DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator());
856 DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator());
Craig Topper011817a2014-04-09 04:50:04 +0000857 if (!LOp || !ROp || LOp->getDef() != ROp->getDef())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +0000858 PrintFatalError("Concated Dag operators do not match!");
David Greeneaf8ee2c2011-07-29 22:43:06 +0000859 std::vector<Init*> Args;
Evan Chenga32dee22007-05-15 01:23:24 +0000860 std::vector<std::string> ArgNames;
861 for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {
862 Args.push_back(LHSs->getArg(i));
863 ArgNames.push_back(LHSs->getArgName(i));
864 }
865 for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) {
866 Args.push_back(RHSs->getArg(i));
867 ArgNames.push_back(RHSs->getArgName(i));
868 }
David Greenee32ebf22011-07-29 19:07:07 +0000869 return DagInit::get(LHSs->getOperator(), "", Args, ArgNames);
Evan Chenga32dee22007-05-15 01:23:24 +0000870 }
871 break;
872 }
Daniel Sanders314e80e2014-05-07 10:13:19 +0000873 case LISTCONCAT: {
874 ListInit *LHSs = dyn_cast<ListInit>(LHS);
875 ListInit *RHSs = dyn_cast<ListInit>(RHS);
876 if (LHSs && RHSs) {
877 std::vector<Init *> Args;
878 Args.insert(Args.end(), LHSs->begin(), LHSs->end());
879 Args.insert(Args.end(), RHSs->begin(), RHSs->end());
880 return ListInit::get(
Craig Topper23fdafe2015-05-04 01:35:42 +0000881 Args, cast<ListRecTy>(LHSs->getType())->getElementType());
Daniel Sanders314e80e2014-05-07 10:13:19 +0000882 }
883 break;
884 }
Chris Lattner51ffbf12006-03-31 21:53:49 +0000885 case STRCONCAT: {
Sean Silvafb509ed2012-10-10 20:24:43 +0000886 StringInit *LHSs = dyn_cast<StringInit>(LHS);
887 StringInit *RHSs = dyn_cast<StringInit>(RHS);
Chris Lattner51ffbf12006-03-31 21:53:49 +0000888 if (LHSs && RHSs)
David Greenee32ebf22011-07-29 19:07:07 +0000889 return StringInit::get(LHSs->getValue() + RHSs->getValue());
Chris Lattner51ffbf12006-03-31 21:53:49 +0000890 break;
891 }
David Greene297bfe62010-01-05 19:11:42 +0000892 case EQ: {
Bruno Cardoso Lopes77a4a562010-06-16 23:24:12 +0000893 // try to fold eq comparison for 'bit' and 'int', otherwise fallback
894 // to string objects.
Michael Liao026f8332012-09-06 23:32:48 +0000895 IntInit *L =
Sean Silvafb509ed2012-10-10 20:24:43 +0000896 dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get()));
Michael Liao026f8332012-09-06 23:32:48 +0000897 IntInit *R =
Sean Silvafb509ed2012-10-10 20:24:43 +0000898 dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get()));
Bruno Cardoso Lopes77a4a562010-06-16 23:24:12 +0000899
900 if (L && R)
David Greenee32ebf22011-07-29 19:07:07 +0000901 return IntInit::get(L->getValue() == R->getValue());
Bruno Cardoso Lopes77a4a562010-06-16 23:24:12 +0000902
Sean Silvafb509ed2012-10-10 20:24:43 +0000903 StringInit *LHSs = dyn_cast<StringInit>(LHS);
904 StringInit *RHSs = dyn_cast<StringInit>(RHS);
Bruno Cardoso Lopes77a4a562010-06-16 23:24:12 +0000905
906 // Make sure we've resolved
David Greene297bfe62010-01-05 19:11:42 +0000907 if (LHSs && RHSs)
David Greenee32ebf22011-07-29 19:07:07 +0000908 return IntInit::get(LHSs->getValue() == RHSs->getValue());
David Greene297bfe62010-01-05 19:11:42 +0000909
910 break;
911 }
Hal Finkelc7d4dc12013-01-25 14:49:08 +0000912 case ADD:
Joerg Sonnenberger6b41a992014-08-05 09:43:25 +0000913 case AND:
Chris Lattner51ffbf12006-03-31 21:53:49 +0000914 case SHL:
915 case SRA:
916 case SRL: {
Adam Nemet017fca02014-07-17 17:04:27 +0000917 IntInit *LHSi =
918 dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get()));
919 IntInit *RHSi =
920 dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get()));
Chris Lattner51ffbf12006-03-31 21:53:49 +0000921 if (LHSi && RHSi) {
Dan Gohmanca0546f2008-10-17 01:33:43 +0000922 int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue();
923 int64_t Result;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000924 switch (getOpcode()) {
Craig Toppera2886c22012-02-07 05:05:23 +0000925 default: llvm_unreachable("Bad opcode!");
Hal Finkelc7d4dc12013-01-25 14:49:08 +0000926 case ADD: Result = LHSv + RHSv; break;
Joerg Sonnenberger6b41a992014-08-05 09:43:25 +0000927 case AND: Result = LHSv & RHSv; break;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000928 case SHL: Result = LHSv << RHSv; break;
929 case SRA: Result = LHSv >> RHSv; break;
Dan Gohmanca0546f2008-10-17 01:33:43 +0000930 case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000931 }
David Greenee32ebf22011-07-29 19:07:07 +0000932 return IntInit::get(Result);
Chris Lattner51ffbf12006-03-31 21:53:49 +0000933 }
934 break;
935 }
936 }
David Greeneaf8ee2c2011-07-29 22:43:06 +0000937 return const_cast<BinOpInit *>(this);
Chris Lattner51ffbf12006-03-31 21:53:49 +0000938}
939
David Greeneaf8ee2c2011-07-29 22:43:06 +0000940Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) const {
941 Init *lhs = LHS->resolveReferences(R, RV);
942 Init *rhs = RHS->resolveReferences(R, RV);
Bob Wilson7248f862009-11-22 04:24:42 +0000943
Chris Lattner51ffbf12006-03-31 21:53:49 +0000944 if (LHS != lhs || RHS != rhs)
Craig Topper011817a2014-04-09 04:50:04 +0000945 return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R,nullptr);
946 return Fold(&R, nullptr);
Chris Lattner51ffbf12006-03-31 21:53:49 +0000947}
948
Chris Lattner695506c2007-11-22 21:05:25 +0000949std::string BinOpInit::getAsString() const {
950 std::string Result;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000951 switch (Opc) {
Chris Lattner695506c2007-11-22 21:05:25 +0000952 case CONCAT: Result = "!con"; break;
Hal Finkelc7d4dc12013-01-25 14:49:08 +0000953 case ADD: Result = "!add"; break;
Joerg Sonnenberger6b41a992014-08-05 09:43:25 +0000954 case AND: Result = "!and"; break;
Chris Lattner695506c2007-11-22 21:05:25 +0000955 case SHL: Result = "!shl"; break;
956 case SRA: Result = "!sra"; break;
957 case SRL: Result = "!srl"; break;
David Greene297bfe62010-01-05 19:11:42 +0000958 case EQ: Result = "!eq"; break;
Daniel Sanders314e80e2014-05-07 10:13:19 +0000959 case LISTCONCAT: Result = "!listconcat"; break;
Chris Lattner695506c2007-11-22 21:05:25 +0000960 case STRCONCAT: Result = "!strconcat"; break;
Chris Lattner51ffbf12006-03-31 21:53:49 +0000961 }
Chris Lattner695506c2007-11-22 21:05:25 +0000962 return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")";
Chris Lattner51ffbf12006-03-31 21:53:49 +0000963}
964
Craig Toppera9642b42015-05-04 01:35:39 +0000965TernOpInit *TernOpInit::get(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
966 RecTy *Type) {
David Greenedaba4882011-07-29 19:07:20 +0000967 typedef std::pair<
968 std::pair<
David Greeneaf8ee2c2011-07-29 22:43:06 +0000969 std::pair<std::pair<unsigned, RecTy *>, Init *>,
970 Init *
David Greenedaba4882011-07-29 19:07:20 +0000971 >,
David Greeneaf8ee2c2011-07-29 22:43:06 +0000972 Init *
David Greenedaba4882011-07-29 19:07:20 +0000973 > Key;
974
Craig Topper17b3a372015-04-24 05:38:48 +0000975 static DenseMap<Key, std::unique_ptr<TernOpInit>> ThePool;
David Greenedaba4882011-07-29 19:07:20 +0000976
977 Key TheKey(std::make_pair(std::make_pair(std::make_pair(std::make_pair(opc,
978 Type),
979 lhs),
980 mhs),
981 rhs));
982
Craig Topper17b3a372015-04-24 05:38:48 +0000983 std::unique_ptr<TernOpInit> &I = ThePool[TheKey];
984 if (!I) I.reset(new TernOpInit(opc, lhs, mhs, rhs, Type));
985 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +0000986}
987
David Greeneaf8ee2c2011-07-29 22:43:06 +0000988static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
989 Record *CurRec, MultiClass *CurMultiClass);
David Greenee917fff2009-05-14 22:23:47 +0000990
David Greeneaf8ee2c2011-07-29 22:43:06 +0000991static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg,
992 RecTy *Type, Record *CurRec,
993 MultiClass *CurMultiClass) {
David Greenee917fff2009-05-14 22:23:47 +0000994 // If this is a dag, recurse
Craig Topper9ef76492015-04-30 05:12:52 +0000995 if (auto *TArg = dyn_cast<TypedInit>(Arg))
996 if (TArg->getType()->getAsString() == "dag")
997 return ForeachHelper(LHS, Arg, RHSo, Type, CurRec, CurMultiClass);
David Greenee917fff2009-05-14 22:23:47 +0000998
Craig Topper39ba33b2015-04-29 07:13:12 +0000999 std::vector<Init *> NewOperands;
David Greenee917fff2009-05-14 22:23:47 +00001000 for (int i = 0; i < RHSo->getNumOperands(); ++i) {
Craig Topper9ef76492015-04-30 05:12:52 +00001001 if (auto *RHSoo = dyn_cast<OpInit>(RHSo->getOperand(i))) {
1002 if (Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
1003 Type, CurRec, CurMultiClass))
David Greenee917fff2009-05-14 22:23:47 +00001004 NewOperands.push_back(Result);
Craig Topper9ef76492015-04-30 05:12:52 +00001005 else
David Greenee917fff2009-05-14 22:23:47 +00001006 NewOperands.push_back(Arg);
Bob Wilson7248f862009-11-22 04:24:42 +00001007 } else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
David Greenee917fff2009-05-14 22:23:47 +00001008 NewOperands.push_back(Arg);
Bob Wilson7248f862009-11-22 04:24:42 +00001009 } else {
David Greenee917fff2009-05-14 22:23:47 +00001010 NewOperands.push_back(RHSo->getOperand(i));
1011 }
1012 }
1013
1014 // Now run the operator and use its result as the new leaf
David Greene1aa0e3e2011-07-29 19:07:05 +00001015 const OpInit *NewOp = RHSo->clone(NewOperands);
David Greeneaf8ee2c2011-07-29 22:43:06 +00001016 Init *NewVal = NewOp->Fold(CurRec, CurMultiClass);
Craig Topper011817a2014-04-09 04:50:04 +00001017 return (NewVal != NewOp) ? NewVal : nullptr;
David Greenee917fff2009-05-14 22:23:47 +00001018}
1019
David Greeneaf8ee2c2011-07-29 22:43:06 +00001020static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
1021 Record *CurRec, MultiClass *CurMultiClass) {
Sean Silvafb509ed2012-10-10 20:24:43 +00001022 DagInit *MHSd = dyn_cast<DagInit>(MHS);
1023 ListInit *MHSl = dyn_cast<ListInit>(MHS);
David Greenee917fff2009-05-14 22:23:47 +00001024
Sean Silvafb509ed2012-10-10 20:24:43 +00001025 OpInit *RHSo = dyn_cast<OpInit>(RHS);
David Greenee917fff2009-05-14 22:23:47 +00001026
Craig Toppera9642b42015-05-04 01:35:39 +00001027 if (!RHSo)
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001028 PrintFatalError(CurRec->getLoc(), "!foreach requires an operator\n");
David Greenee917fff2009-05-14 22:23:47 +00001029
Sean Silvafb509ed2012-10-10 20:24:43 +00001030 TypedInit *LHSt = dyn_cast<TypedInit>(LHS);
David Greenee917fff2009-05-14 22:23:47 +00001031
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001032 if (!LHSt)
1033 PrintFatalError(CurRec->getLoc(), "!foreach requires typed variable\n");
David Greenee917fff2009-05-14 22:23:47 +00001034
Sean Silvaa475e432012-10-05 03:32:00 +00001035 if ((MHSd && isa<DagRecTy>(Type)) || (MHSl && isa<ListRecTy>(Type))) {
David Greenee917fff2009-05-14 22:23:47 +00001036 if (MHSd) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001037 Init *Val = MHSd->getOperator();
1038 Init *Result = EvaluateOperation(RHSo, LHS, Val,
Eric Christopher71520a82011-07-11 23:06:52 +00001039 Type, CurRec, CurMultiClass);
Craig Toppera9642b42015-05-04 01:35:39 +00001040 if (Result)
David Greenee917fff2009-05-14 22:23:47 +00001041 Val = Result;
David Greenee917fff2009-05-14 22:23:47 +00001042
David Greeneaf8ee2c2011-07-29 22:43:06 +00001043 std::vector<std::pair<Init *, std::string> > args;
David Greenee917fff2009-05-14 22:23:47 +00001044 for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001045 Init *Arg;
David Greenee917fff2009-05-14 22:23:47 +00001046 std::string ArgName;
1047 Arg = MHSd->getArg(i);
1048 ArgName = MHSd->getArgName(i);
1049
1050 // Process args
David Greeneaf8ee2c2011-07-29 22:43:06 +00001051 Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type,
Eric Christopher71520a82011-07-11 23:06:52 +00001052 CurRec, CurMultiClass);
Craig Toppera9642b42015-05-04 01:35:39 +00001053 if (Result)
David Greenee917fff2009-05-14 22:23:47 +00001054 Arg = Result;
David Greenee917fff2009-05-14 22:23:47 +00001055
1056 // TODO: Process arg names
1057 args.push_back(std::make_pair(Arg, ArgName));
1058 }
1059
David Greenee32ebf22011-07-29 19:07:07 +00001060 return DagInit::get(Val, "", args);
David Greenee917fff2009-05-14 22:23:47 +00001061 }
1062 if (MHSl) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001063 std::vector<Init *> NewOperands;
1064 std::vector<Init *> NewList(MHSl->begin(), MHSl->end());
David Greenee917fff2009-05-14 22:23:47 +00001065
Craig Topper9ed595e2015-04-30 05:54:20 +00001066 for (Init *&Item : NewList) {
David Greenee917fff2009-05-14 22:23:47 +00001067 NewOperands.clear();
1068 for(int i = 0; i < RHSo->getNumOperands(); ++i) {
1069 // First, replace the foreach variable with the list item
Craig Toppera9642b42015-05-04 01:35:39 +00001070 if (LHS->getAsString() == RHSo->getOperand(i)->getAsString())
David Greenee917fff2009-05-14 22:23:47 +00001071 NewOperands.push_back(Item);
Craig Toppera9642b42015-05-04 01:35:39 +00001072 else
David Greenee917fff2009-05-14 22:23:47 +00001073 NewOperands.push_back(RHSo->getOperand(i));
David Greenee917fff2009-05-14 22:23:47 +00001074 }
1075
1076 // Now run the operator and use its result as the new list item
David Greene1aa0e3e2011-07-29 19:07:05 +00001077 const OpInit *NewOp = RHSo->clone(NewOperands);
David Greeneaf8ee2c2011-07-29 22:43:06 +00001078 Init *NewItem = NewOp->Fold(CurRec, CurMultiClass);
David Greenee32ebf22011-07-29 19:07:07 +00001079 if (NewItem != NewOp)
Craig Topper9ed595e2015-04-30 05:54:20 +00001080 Item = NewItem;
David Greenee917fff2009-05-14 22:23:47 +00001081 }
David Greenee32ebf22011-07-29 19:07:07 +00001082 return ListInit::get(NewList, MHSl->getType());
David Greenee917fff2009-05-14 22:23:47 +00001083 }
1084 }
Craig Topper011817a2014-04-09 04:50:04 +00001085 return nullptr;
David Greenee917fff2009-05-14 22:23:47 +00001086}
1087
David Greeneaf8ee2c2011-07-29 22:43:06 +00001088Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
David Greene98ed3c72009-05-14 21:54:42 +00001089 switch (getOpcode()) {
David Greene98ed3c72009-05-14 21:54:42 +00001090 case SUBST: {
Sean Silvafb509ed2012-10-10 20:24:43 +00001091 DefInit *LHSd = dyn_cast<DefInit>(LHS);
1092 VarInit *LHSv = dyn_cast<VarInit>(LHS);
1093 StringInit *LHSs = dyn_cast<StringInit>(LHS);
David Greene196ac3c2009-04-23 21:25:15 +00001094
Sean Silvafb509ed2012-10-10 20:24:43 +00001095 DefInit *MHSd = dyn_cast<DefInit>(MHS);
1096 VarInit *MHSv = dyn_cast<VarInit>(MHS);
1097 StringInit *MHSs = dyn_cast<StringInit>(MHS);
David Greene5d0c0512009-05-14 20:54:48 +00001098
Sean Silvafb509ed2012-10-10 20:24:43 +00001099 DefInit *RHSd = dyn_cast<DefInit>(RHS);
1100 VarInit *RHSv = dyn_cast<VarInit>(RHS);
1101 StringInit *RHSs = dyn_cast<StringInit>(RHS);
David Greene5d0c0512009-05-14 20:54:48 +00001102
Craig Topper85c07002015-04-30 05:54:22 +00001103 if ((LHSd && MHSd && RHSd) ||
1104 (LHSv && MHSv && RHSv) ||
1105 (LHSs && MHSs && RHSs)) {
David Greene98ed3c72009-05-14 21:54:42 +00001106 if (RHSd) {
1107 Record *Val = RHSd->getDef();
Craig Toppera9642b42015-05-04 01:35:39 +00001108 if (LHSd->getAsString() == RHSd->getAsString())
David Greene98ed3c72009-05-14 21:54:42 +00001109 Val = MHSd->getDef();
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +00001110 return DefInit::get(Val);
David Greene98ed3c72009-05-14 21:54:42 +00001111 }
1112 if (RHSv) {
1113 std::string Val = RHSv->getName();
Craig Toppera9642b42015-05-04 01:35:39 +00001114 if (LHSv->getAsString() == RHSv->getAsString())
David Greene98ed3c72009-05-14 21:54:42 +00001115 Val = MHSv->getName();
David Greenee32ebf22011-07-29 19:07:07 +00001116 return VarInit::get(Val, getType());
David Greene98ed3c72009-05-14 21:54:42 +00001117 }
1118 if (RHSs) {
1119 std::string Val = RHSs->getValue();
David Greene5d0c0512009-05-14 20:54:48 +00001120
David Greene98ed3c72009-05-14 21:54:42 +00001121 std::string::size_type found;
David Greenedbf70742009-12-21 21:21:34 +00001122 std::string::size_type idx = 0;
David Greene98ed3c72009-05-14 21:54:42 +00001123 do {
David Greenedbf70742009-12-21 21:21:34 +00001124 found = Val.find(LHSs->getValue(), idx);
Craig Toppera9642b42015-05-04 01:35:39 +00001125 if (found != std::string::npos)
David Greene98ed3c72009-05-14 21:54:42 +00001126 Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
David Greenedbf70742009-12-21 21:21:34 +00001127 idx = found + MHSs->getValue().size();
David Greene98ed3c72009-05-14 21:54:42 +00001128 } while (found != std::string::npos);
David Greene5d0c0512009-05-14 20:54:48 +00001129
David Greenee32ebf22011-07-29 19:07:07 +00001130 return StringInit::get(Val);
David Greene98ed3c72009-05-14 21:54:42 +00001131 }
1132 }
1133 break;
Bob Wilson7248f862009-11-22 04:24:42 +00001134 }
David Greene5d0c0512009-05-14 20:54:48 +00001135
David Greene98ed3c72009-05-14 21:54:42 +00001136 case FOREACH: {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001137 Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
David Greenee917fff2009-05-14 22:23:47 +00001138 CurRec, CurMultiClass);
Craig Toppera9642b42015-05-04 01:35:39 +00001139 if (Result)
David Greenee917fff2009-05-14 22:23:47 +00001140 return Result;
David Greene98ed3c72009-05-14 21:54:42 +00001141 break;
1142 }
David Greene3587eed2009-05-14 23:26:46 +00001143
1144 case IF: {
Sean Silvafb509ed2012-10-10 20:24:43 +00001145 IntInit *LHSi = dyn_cast<IntInit>(LHS);
David Greeneaf8ee2c2011-07-29 22:43:06 +00001146 if (Init *I = LHS->convertInitializerTo(IntRecTy::get()))
Sean Silvafb509ed2012-10-10 20:24:43 +00001147 LHSi = dyn_cast<IntInit>(I);
David Greene3587eed2009-05-14 23:26:46 +00001148 if (LHSi) {
Craig Toppera9642b42015-05-04 01:35:39 +00001149 if (LHSi->getValue())
David Greene3587eed2009-05-14 23:26:46 +00001150 return MHS;
Craig Toppera9642b42015-05-04 01:35:39 +00001151 return RHS;
David Greene3587eed2009-05-14 23:26:46 +00001152 }
1153 break;
1154 }
David Greene98ed3c72009-05-14 21:54:42 +00001155 }
David Greene5d0c0512009-05-14 20:54:48 +00001156
David Greeneaf8ee2c2011-07-29 22:43:06 +00001157 return const_cast<TernOpInit *>(this);
David Greene98ed3c72009-05-14 21:54:42 +00001158}
David Greene5d0c0512009-05-14 20:54:48 +00001159
David Greeneaf8ee2c2011-07-29 22:43:06 +00001160Init *TernOpInit::resolveReferences(Record &R,
1161 const RecordVal *RV) const {
1162 Init *lhs = LHS->resolveReferences(R, RV);
David Greeneb0354452009-06-08 19:16:56 +00001163
1164 if (Opc == IF && lhs != LHS) {
Sean Silvafb509ed2012-10-10 20:24:43 +00001165 IntInit *Value = dyn_cast<IntInit>(lhs);
David Greeneaf8ee2c2011-07-29 22:43:06 +00001166 if (Init *I = lhs->convertInitializerTo(IntRecTy::get()))
Sean Silvafb509ed2012-10-10 20:24:43 +00001167 Value = dyn_cast<IntInit>(I);
Craig Topper011817a2014-04-09 04:50:04 +00001168 if (Value) {
David Greeneb0354452009-06-08 19:16:56 +00001169 // Short-circuit
1170 if (Value->getValue()) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001171 Init *mhs = MHS->resolveReferences(R, RV);
David Greenee32ebf22011-07-29 19:07:07 +00001172 return (TernOpInit::get(getOpcode(), lhs, mhs,
Craig Topper011817a2014-04-09 04:50:04 +00001173 RHS, getType()))->Fold(&R, nullptr);
David Greeneb0354452009-06-08 19:16:56 +00001174 }
Craig Toppera9642b42015-05-04 01:35:39 +00001175 Init *rhs = RHS->resolveReferences(R, RV);
1176 return (TernOpInit::get(getOpcode(), lhs, MHS,
1177 rhs, getType()))->Fold(&R, nullptr);
David Greeneb0354452009-06-08 19:16:56 +00001178 }
1179 }
Bob Wilson7248f862009-11-22 04:24:42 +00001180
David Greeneaf8ee2c2011-07-29 22:43:06 +00001181 Init *mhs = MHS->resolveReferences(R, RV);
1182 Init *rhs = RHS->resolveReferences(R, RV);
David Greeneb0354452009-06-08 19:16:56 +00001183
David Greene98ed3c72009-05-14 21:54:42 +00001184 if (LHS != lhs || MHS != mhs || RHS != rhs)
David Greenee32ebf22011-07-29 19:07:07 +00001185 return (TernOpInit::get(getOpcode(), lhs, mhs, rhs,
Craig Topper011817a2014-04-09 04:50:04 +00001186 getType()))->Fold(&R, nullptr);
1187 return Fold(&R, nullptr);
David Greene98ed3c72009-05-14 21:54:42 +00001188}
David Greene196ac3c2009-04-23 21:25:15 +00001189
David Greene98ed3c72009-05-14 21:54:42 +00001190std::string TernOpInit::getAsString() const {
1191 std::string Result;
1192 switch (Opc) {
1193 case SUBST: Result = "!subst"; break;
Bob Wilson7248f862009-11-22 04:24:42 +00001194 case FOREACH: Result = "!foreach"; break;
1195 case IF: Result = "!if"; break;
Craig Topper85c07002015-04-30 05:54:22 +00001196 }
1197 return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", " +
1198 RHS->getAsString() + ")";
David Greene98ed3c72009-05-14 21:54:42 +00001199}
David Greene196ac3c2009-04-23 21:25:15 +00001200
David Greene2a9de4d2010-09-03 21:00:49 +00001201RecTy *TypedInit::getFieldType(const std::string &FieldName) const {
Sean Silvaa475e432012-10-05 03:32:00 +00001202 if (RecordRecTy *RecordType = dyn_cast<RecordRecTy>(getType()))
1203 if (RecordVal *Field = RecordType->getRecord()->getValue(FieldName))
David Greene2a9de4d2010-09-03 21:00:49 +00001204 return Field->getType();
Craig Topper011817a2014-04-09 04:50:04 +00001205 return nullptr;
David Greene2a9de4d2010-09-03 21:00:49 +00001206}
1207
David Greeneaf8ee2c2011-07-29 22:43:06 +00001208Init *
David Greene1aa0e3e2011-07-29 19:07:05 +00001209TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
Sean Silva98c61712012-10-05 03:31:58 +00001210 BitsRecTy *T = dyn_cast<BitsRecTy>(getType());
Craig Topper011817a2014-04-09 04:50:04 +00001211 if (!T) return nullptr; // Cannot subscript a non-bits variable.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001212 unsigned NumBits = T->getNumBits();
1213
David Greeneaf8ee2c2011-07-29 22:43:06 +00001214 SmallVector<Init *, 16> NewBits(Bits.size());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001215 for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
David Greeneb3da8122011-07-29 19:07:00 +00001216 if (Bits[i] >= NumBits)
Craig Topper011817a2014-04-09 04:50:04 +00001217 return nullptr;
David Greeneb3da8122011-07-29 19:07:00 +00001218
David Greeneaf8ee2c2011-07-29 22:43:06 +00001219 NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), Bits[i]);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001220 }
David Greenee32ebf22011-07-29 19:07:07 +00001221 return BitsInit::get(NewBits);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001222}
1223
David Greeneaf8ee2c2011-07-29 22:43:06 +00001224Init *
David Greene1aa0e3e2011-07-29 19:07:05 +00001225TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
Sean Silva98c61712012-10-05 03:31:58 +00001226 ListRecTy *T = dyn_cast<ListRecTy>(getType());
Craig Topper011817a2014-04-09 04:50:04 +00001227 if (!T) return nullptr; // Cannot subscript a non-list variable.
Chris Lattner577fc3f2004-07-27 01:01:21 +00001228
1229 if (Elements.size() == 1)
David Greeneaf8ee2c2011-07-29 22:43:06 +00001230 return VarListElementInit::get(const_cast<TypedInit *>(this), Elements[0]);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001231
David Greeneaf8ee2c2011-07-29 22:43:06 +00001232 std::vector<Init*> ListInits;
Chris Lattner577fc3f2004-07-27 01:01:21 +00001233 ListInits.reserve(Elements.size());
1234 for (unsigned i = 0, e = Elements.size(); i != e; ++i)
David Greeneaf8ee2c2011-07-29 22:43:06 +00001235 ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this),
1236 Elements[i]));
David Greenee32ebf22011-07-29 19:07:07 +00001237 return ListInit::get(ListInits, T);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001238}
1239
1240
David Greeneaf8ee2c2011-07-29 22:43:06 +00001241VarInit *VarInit::get(const std::string &VN, RecTy *T) {
David Greene914adf02011-10-19 13:02:33 +00001242 Init *Value = StringInit::get(VN);
1243 return VarInit::get(Value, T);
1244}
1245
1246VarInit *VarInit::get(Init *VN, RecTy *T) {
1247 typedef std::pair<RecTy *, Init *> Key;
Craig Topper0e04bee2015-04-22 02:20:44 +00001248 static DenseMap<Key, std::unique_ptr<VarInit>> ThePool;
David Greenecde30d02011-07-29 19:07:21 +00001249
1250 Key TheKey(std::make_pair(T, VN));
1251
Craig Topper0e04bee2015-04-22 02:20:44 +00001252 std::unique_ptr<VarInit> &I = ThePool[TheKey];
1253 if (!I) I.reset(new VarInit(VN, T));
1254 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +00001255}
1256
David Greene914adf02011-10-19 13:02:33 +00001257const std::string &VarInit::getName() const {
Craig Toppered5a9502015-04-29 07:13:05 +00001258 StringInit *NameString = cast<StringInit>(getNameInit());
David Greene914adf02011-10-19 13:02:33 +00001259 return NameString->getValue();
1260}
1261
Michael Liao026f8332012-09-06 23:32:48 +00001262Init *VarInit::getBit(unsigned Bit) const {
1263 if (getType() == BitRecTy::get())
1264 return const_cast<VarInit*>(this);
1265 return VarBitInit::get(const_cast<VarInit*>(this), Bit);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001266}
1267
David Greeneaf8ee2c2011-07-29 22:43:06 +00001268Init *VarInit::resolveListElementReference(Record &R,
1269 const RecordVal *IRV,
1270 unsigned Elt) const {
Craig Topper011817a2014-04-09 04:50:04 +00001271 if (R.isTemplateArg(getNameInit())) return nullptr;
1272 if (IRV && IRV->getNameInit() != getNameInit()) return nullptr;
Chris Lattner577fc3f2004-07-27 01:01:21 +00001273
Jakob Stoklund Olesen9d1c5ee2012-01-13 03:16:35 +00001274 RecordVal *RV = R.getValue(getNameInit());
Bob Wilson159905a2009-11-21 22:44:20 +00001275 assert(RV && "Reference to a non-existent variable?");
Sean Silvafb509ed2012-10-10 20:24:43 +00001276 ListInit *LI = dyn_cast<ListInit>(RV->getValue());
Craig Toppera9642b42015-05-04 01:35:39 +00001277 if (!LI)
1278 return VarListElementInit::get(cast<TypedInit>(RV->getValue()), Elt);
Bob Wilson7248f862009-11-22 04:24:42 +00001279
Chris Lattner577fc3f2004-07-27 01:01:21 +00001280 if (Elt >= LI->getSize())
Craig Topper011817a2014-04-09 04:50:04 +00001281 return nullptr; // Out of range reference.
David Greeneaf8ee2c2011-07-29 22:43:06 +00001282 Init *E = LI->getElement(Elt);
Bob Wilson67e6cab2009-11-22 03:58:57 +00001283 // If the element is set to some value, or if we are resolving a reference
1284 // to a specific variable and that variable is explicitly unset, then
1285 // replace the VarListElementInit with it.
Sean Silva88eb8dd2012-10-10 20:24:47 +00001286 if (IRV || !isa<UnsetInit>(E))
Bob Wilson67e6cab2009-11-22 03:58:57 +00001287 return E;
Craig Topper011817a2014-04-09 04:50:04 +00001288 return nullptr;
Chris Lattner577fc3f2004-07-27 01:01:21 +00001289}
1290
1291
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001292RecTy *VarInit::getFieldType(const std::string &FieldName) const {
Sean Silva98c61712012-10-05 03:31:58 +00001293 if (RecordRecTy *RTy = dyn_cast<RecordRecTy>(getType()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001294 if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
1295 return RV->getType();
Craig Topper011817a2014-04-09 04:50:04 +00001296 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001297}
1298
David Greeneaf8ee2c2011-07-29 22:43:06 +00001299Init *VarInit::getFieldInit(Record &R, const RecordVal *RV,
1300 const std::string &FieldName) const {
Sean Silvaa475e432012-10-05 03:32:00 +00001301 if (isa<RecordRecTy>(getType()))
Jakob Stoklund Olesen0e457622010-03-25 06:23:34 +00001302 if (const RecordVal *Val = R.getValue(VarName)) {
Sean Silva88eb8dd2012-10-10 20:24:47 +00001303 if (RV != Val && (RV || isa<UnsetInit>(Val->getValue())))
Craig Topper011817a2014-04-09 04:50:04 +00001304 return nullptr;
David Greeneaf8ee2c2011-07-29 22:43:06 +00001305 Init *TheInit = Val->getValue();
Chris Lattnerd959ab92004-02-28 16:31:53 +00001306 assert(TheInit != this && "Infinite loop detected!");
David Greeneaf8ee2c2011-07-29 22:43:06 +00001307 if (Init *I = TheInit->getFieldInit(R, RV, FieldName))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001308 return I;
Craig Toppera9642b42015-05-04 01:35:39 +00001309 return nullptr;
Chris Lattnerd959ab92004-02-28 16:31:53 +00001310 }
Craig Topper011817a2014-04-09 04:50:04 +00001311 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001312}
1313
1314/// resolveReferences - This method is used by classes that refer to other
Bob Wilson159905a2009-11-21 22:44:20 +00001315/// variables which may not be defined at the time the expression is formed.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001316/// If a value is set for the variable later, this method will be called on
1317/// users of the value to allow the value to propagate out.
1318///
David Greeneaf8ee2c2011-07-29 22:43:06 +00001319Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001320 if (RecordVal *Val = R.getValue(VarName))
Craig Topper011817a2014-04-09 04:50:04 +00001321 if (RV == Val || (!RV && !isa<UnsetInit>(Val->getValue())))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001322 return Val->getValue();
David Greeneaf8ee2c2011-07-29 22:43:06 +00001323 return const_cast<VarInit *>(this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001324}
Misha Brukman650ba8e2005-04-22 00:00:37 +00001325
David Greeneaf8ee2c2011-07-29 22:43:06 +00001326VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) {
1327 typedef std::pair<TypedInit *, unsigned> Key;
Craig Topper0e04bee2015-04-22 02:20:44 +00001328 static DenseMap<Key, std::unique_ptr<VarBitInit>> ThePool;
David Greene9aa82842011-07-29 19:07:22 +00001329
1330 Key TheKey(std::make_pair(T, B));
1331
Craig Topper0e04bee2015-04-22 02:20:44 +00001332 std::unique_ptr<VarBitInit> &I = ThePool[TheKey];
1333 if (!I) I.reset(new VarBitInit(T, B));
1334 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +00001335}
1336
Chris Lattner695506c2007-11-22 21:05:25 +00001337std::string VarBitInit::getAsString() const {
Craig Toppera9642b42015-05-04 01:35:39 +00001338 return TI->getAsString() + "{" + utostr(Bit) + "}";
Chris Lattner695506c2007-11-22 21:05:25 +00001339}
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001340
David Greeneaf8ee2c2011-07-29 22:43:06 +00001341Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) const {
Michael Liao026f8332012-09-06 23:32:48 +00001342 Init *I = TI->resolveReferences(R, RV);
1343 if (TI != I)
1344 return I->getBit(getBitNum());
1345
1346 return const_cast<VarBitInit*>(this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001347}
1348
David Greeneaf8ee2c2011-07-29 22:43:06 +00001349VarListElementInit *VarListElementInit::get(TypedInit *T,
1350 unsigned E) {
1351 typedef std::pair<TypedInit *, unsigned> Key;
Craig Topper17b3a372015-04-24 05:38:48 +00001352 static DenseMap<Key, std::unique_ptr<VarListElementInit>> ThePool;
David Greene7f501e82011-07-29 19:07:23 +00001353
1354 Key TheKey(std::make_pair(T, E));
1355
Craig Topper17b3a372015-04-24 05:38:48 +00001356 std::unique_ptr<VarListElementInit> &I = ThePool[TheKey];
1357 if (!I) I.reset(new VarListElementInit(T, E));
1358 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +00001359}
1360
Chris Lattner695506c2007-11-22 21:05:25 +00001361std::string VarListElementInit::getAsString() const {
1362 return TI->getAsString() + "[" + utostr(Element) + "]";
1363}
1364
David Greeneaf8ee2c2011-07-29 22:43:06 +00001365Init *
1366VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) const {
1367 if (Init *I = getVariable()->resolveListElementReference(R, RV,
Eric Christopher71520a82011-07-11 23:06:52 +00001368 getElementNum()))
Chris Lattner577fc3f2004-07-27 01:01:21 +00001369 return I;
David Greeneaf8ee2c2011-07-29 22:43:06 +00001370 return const_cast<VarListElementInit *>(this);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001371}
1372
Michael Liao026f8332012-09-06 23:32:48 +00001373Init *VarListElementInit::getBit(unsigned Bit) const {
1374 if (getType() == BitRecTy::get())
1375 return const_cast<VarListElementInit*>(this);
1376 return VarBitInit::get(const_cast<VarListElementInit*>(this), Bit);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001377}
1378
David Greeneaf8ee2c2011-07-29 22:43:06 +00001379Init *VarListElementInit:: resolveListElementReference(Record &R,
1380 const RecordVal *RV,
1381 unsigned Elt) const {
Craig Toppera9642b42015-05-04 01:35:39 +00001382 if (Init *Result = TI->resolveListElementReference(R, RV, Element)) {
Sean Silva88eb8dd2012-10-10 20:24:47 +00001383 if (TypedInit *TInit = dyn_cast<TypedInit>(Result)) {
David Greene7475ad02011-10-06 21:20:46 +00001384 Init *Result2 = TInit->resolveListElementReference(R, RV, Elt);
1385 if (Result2) return Result2;
Craig Topper17b3a372015-04-24 05:38:48 +00001386 return VarListElementInit::get(TInit, Elt);
David Greene74ce80f2011-09-30 20:59:49 +00001387 }
1388 return Result;
1389 }
Craig Toppera9642b42015-05-04 01:35:39 +00001390
Craig Topper011817a2014-04-09 04:50:04 +00001391 return nullptr;
Chris Lattner577fc3f2004-07-27 01:01:21 +00001392}
1393
David Greeneaf8ee2c2011-07-29 22:43:06 +00001394DefInit *DefInit::get(Record *R) {
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +00001395 return R->getDefInit();
1396}
1397
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001398RecTy *DefInit::getFieldType(const std::string &FieldName) const {
1399 if (const RecordVal *RV = Def->getValue(FieldName))
1400 return RV->getType();
Craig Topper011817a2014-04-09 04:50:04 +00001401 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001402}
1403
David Greeneaf8ee2c2011-07-29 22:43:06 +00001404Init *DefInit::getFieldInit(Record &R, const RecordVal *RV,
1405 const std::string &FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001406 return Def->getValue(FieldName)->getValue();
1407}
1408
1409
Chris Lattner695506c2007-11-22 21:05:25 +00001410std::string DefInit::getAsString() const {
1411 return Def->getName();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001412}
1413
David Greeneaf8ee2c2011-07-29 22:43:06 +00001414FieldInit *FieldInit::get(Init *R, const std::string &FN) {
1415 typedef std::pair<Init *, TableGenStringKey> Key;
Craig Topper17b3a372015-04-24 05:38:48 +00001416 static DenseMap<Key, std::unique_ptr<FieldInit>> ThePool;
David Greene760f8672011-07-29 19:07:24 +00001417
1418 Key TheKey(std::make_pair(R, FN));
1419
Craig Topper17b3a372015-04-24 05:38:48 +00001420 std::unique_ptr<FieldInit> &I = ThePool[TheKey];
1421 if (!I) I.reset(new FieldInit(R, FN));
1422 return I.get();
David Greenee32ebf22011-07-29 19:07:07 +00001423}
1424
Michael Liao026f8332012-09-06 23:32:48 +00001425Init *FieldInit::getBit(unsigned Bit) const {
1426 if (getType() == BitRecTy::get())
1427 return const_cast<FieldInit*>(this);
1428 return VarBitInit::get(const_cast<FieldInit*>(this), Bit);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001429}
1430
David Greeneaf8ee2c2011-07-29 22:43:06 +00001431Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV,
1432 unsigned Elt) const {
1433 if (Init *ListVal = Rec->getFieldInit(R, RV, FieldName))
Sean Silvafb509ed2012-10-10 20:24:43 +00001434 if (ListInit *LI = dyn_cast<ListInit>(ListVal)) {
Craig Topper011817a2014-04-09 04:50:04 +00001435 if (Elt >= LI->getSize()) return nullptr;
David Greeneaf8ee2c2011-07-29 22:43:06 +00001436 Init *E = LI->getElement(Elt);
Chris Lattner577fc3f2004-07-27 01:01:21 +00001437
Bob Wilson67e6cab2009-11-22 03:58:57 +00001438 // If the element is set to some value, or if we are resolving a
1439 // reference to a specific variable and that variable is explicitly
1440 // unset, then replace the VarListElementInit with it.
Sean Silva88eb8dd2012-10-10 20:24:47 +00001441 if (RV || !isa<UnsetInit>(E))
Bob Wilson67e6cab2009-11-22 03:58:57 +00001442 return E;
Chris Lattner577fc3f2004-07-27 01:01:21 +00001443 }
Craig Topper011817a2014-04-09 04:50:04 +00001444 return nullptr;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001445}
1446
David Greeneaf8ee2c2011-07-29 22:43:06 +00001447Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) const {
1448 Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
Chris Lattneref943742005-04-19 03:36:21 +00001449
Craig Toppera9642b42015-05-04 01:35:39 +00001450 if (Init *BitsVal = NewRec->getFieldInit(R, RV, FieldName)) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001451 Init *BVR = BitsVal->resolveReferences(R, RV);
1452 return BVR->isComplete() ? BVR : const_cast<FieldInit *>(this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001453 }
Chris Lattneref943742005-04-19 03:36:21 +00001454
Craig Toppera9642b42015-05-04 01:35:39 +00001455 if (NewRec != Rec)
David Greenee32ebf22011-07-29 19:07:07 +00001456 return FieldInit::get(NewRec, FieldName);
David Greeneaf8ee2c2011-07-29 22:43:06 +00001457 return const_cast<FieldInit *>(this);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001458}
1459
Benjamin Kramer6ecb1e72013-02-15 12:30:38 +00001460static void ProfileDagInit(FoldingSetNodeID &ID, Init *V, const std::string &VN,
1461 ArrayRef<Init *> ArgRange,
1462 ArrayRef<std::string> NameRange) {
David Greenea74bd902011-07-29 19:07:26 +00001463 ID.AddPointer(V);
1464 ID.AddString(VN);
1465
David Greeneaf8ee2c2011-07-29 22:43:06 +00001466 ArrayRef<Init *>::iterator Arg = ArgRange.begin();
David Greenea74bd902011-07-29 19:07:26 +00001467 ArrayRef<std::string>::iterator Name = NameRange.begin();
1468 while (Arg != ArgRange.end()) {
1469 assert(Name != NameRange.end() && "Arg name underflow!");
1470 ID.AddPointer(*Arg++);
1471 ID.AddString(*Name++);
1472 }
1473 assert(Name == NameRange.end() && "Arg name overflow!");
1474}
1475
David Greeneaf8ee2c2011-07-29 22:43:06 +00001476DagInit *
1477DagInit::get(Init *V, const std::string &VN,
1478 ArrayRef<Init *> ArgRange,
David Greenea74bd902011-07-29 19:07:26 +00001479 ArrayRef<std::string> NameRange) {
Craig Topper17b3a372015-04-24 05:38:48 +00001480 static FoldingSet<DagInit> ThePool;
1481 static std::vector<std::unique_ptr<DagInit>> TheActualPool;
David Greenea74bd902011-07-29 19:07:26 +00001482
1483 FoldingSetNodeID ID;
1484 ProfileDagInit(ID, V, VN, ArgRange, NameRange);
1485
Craig Topper011817a2014-04-09 04:50:04 +00001486 void *IP = nullptr;
David Greeneaf8ee2c2011-07-29 22:43:06 +00001487 if (DagInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
David Greenea74bd902011-07-29 19:07:26 +00001488 return I;
1489
1490 DagInit *I = new DagInit(V, VN, ArgRange, NameRange);
1491 ThePool.InsertNode(I, IP);
Craig Topper17b3a372015-04-24 05:38:48 +00001492 TheActualPool.push_back(std::unique_ptr<DagInit>(I));
David Greenea74bd902011-07-29 19:07:26 +00001493 return I;
1494}
1495
David Greeneaf8ee2c2011-07-29 22:43:06 +00001496DagInit *
1497DagInit::get(Init *V, const std::string &VN,
1498 const std::vector<std::pair<Init*, std::string> > &args) {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001499 std::vector<Init *> Args;
David Greenee32ebf22011-07-29 19:07:07 +00001500 std::vector<std::string> Names;
1501
Craig Topper119998d2015-04-29 07:13:14 +00001502 for (const auto &Arg : args) {
1503 Args.push_back(Arg.first);
1504 Names.push_back(Arg.second);
David Greenee32ebf22011-07-29 19:07:07 +00001505 }
1506
1507 return DagInit::get(V, VN, Args, Names);
1508}
1509
David Greenea74bd902011-07-29 19:07:26 +00001510void DagInit::Profile(FoldingSetNodeID &ID) const {
1511 ProfileDagInit(ID, Val, ValName, Args, ArgNames);
David Greenee32ebf22011-07-29 19:07:07 +00001512}
1513
David Greeneaf8ee2c2011-07-29 22:43:06 +00001514Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) const {
1515 std::vector<Init*> NewArgs;
Chris Lattner0d3ef402006-01-31 06:02:35 +00001516 for (unsigned i = 0, e = Args.size(); i != e; ++i)
1517 NewArgs.push_back(Args[i]->resolveReferences(R, RV));
Bob Wilson7248f862009-11-22 04:24:42 +00001518
David Greeneaf8ee2c2011-07-29 22:43:06 +00001519 Init *Op = Val->resolveReferences(R, RV);
Bob Wilson7248f862009-11-22 04:24:42 +00001520
Chris Lattnerb59cf3c2006-03-30 22:50:40 +00001521 if (Args != NewArgs || Op != Val)
David Greenee32ebf22011-07-29 19:07:07 +00001522 return DagInit::get(Op, ValName, NewArgs, ArgNames);
Bob Wilson7248f862009-11-22 04:24:42 +00001523
David Greeneaf8ee2c2011-07-29 22:43:06 +00001524 return const_cast<DagInit *>(this);
Chris Lattner0d3ef402006-01-31 06:02:35 +00001525}
1526
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001527
Chris Lattner695506c2007-11-22 21:05:25 +00001528std::string DagInit::getAsString() const {
1529 std::string Result = "(" + Val->getAsString();
Nate Begemandbe3f772009-03-19 05:21:56 +00001530 if (!ValName.empty())
1531 Result += ":" + ValName;
Alexander Kornienko8c0809c2015-01-15 11:41:30 +00001532 if (!Args.empty()) {
Chris Lattner695506c2007-11-22 21:05:25 +00001533 Result += " " + Args[0]->getAsString();
1534 if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0];
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001535 for (unsigned i = 1, e = Args.size(); i != e; ++i) {
Chris Lattner695506c2007-11-22 21:05:25 +00001536 Result += ", " + Args[i]->getAsString();
1537 if (!ArgNames[i].empty()) Result += ":$" + ArgNames[i];
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001538 }
1539 }
Chris Lattner695506c2007-11-22 21:05:25 +00001540 return Result + ")";
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001541}
1542
1543
1544//===----------------------------------------------------------------------===//
1545// Other implementations
1546//===----------------------------------------------------------------------===//
1547
David Greene09d153e2011-09-02 20:12:07 +00001548RecordVal::RecordVal(Init *N, RecTy *T, unsigned P)
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001549 : Name(N), Ty(T), Prefix(P) {
David Greenee32ebf22011-07-29 19:07:07 +00001550 Value = Ty->convertValue(UnsetInit::get());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001551 assert(Value && "Cannot create unset value for current type!");
1552}
1553
David Greene09d153e2011-09-02 20:12:07 +00001554RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
1555 : Name(StringInit::get(N)), Ty(T), Prefix(P) {
1556 Value = Ty->convertValue(UnsetInit::get());
1557 assert(Value && "Cannot create unset value for current type!");
1558}
1559
1560const std::string &RecordVal::getName() const {
Craig Toppered5a9502015-04-29 07:13:05 +00001561 return cast<StringInit>(Name)->getValue();
David Greene09d153e2011-09-02 20:12:07 +00001562}
1563
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001564void RecordVal::dump() const { errs() << *this; }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001565
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001566void RecordVal::print(raw_ostream &OS, bool PrintSem) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001567 if (getPrefix()) OS << "field ";
David Greene658a4b72011-10-19 13:02:52 +00001568 OS << *getType() << " " << getNameInitAsString();
Chris Lattneref943742005-04-19 03:36:21 +00001569
1570 if (getValue())
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001571 OS << " = " << *getValue();
Chris Lattneref943742005-04-19 03:36:21 +00001572
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001573 if (PrintSem) OS << ";\n";
1574}
1575
Daniel Dunbarced00812009-08-23 09:47:37 +00001576unsigned Record::LastID = 0;
1577
David Greeneb77fc0d2011-10-19 13:02:45 +00001578void Record::init() {
1579 checkName();
David Greened6991612011-10-19 13:04:13 +00001580
1581 // Every record potentially has a def at the top. This value is
1582 // replaced with the top-level def name at instantiation time.
1583 RecordVal DN("NAME", StringRecTy::get(), 0);
1584 addValue(DN);
David Greeneb77fc0d2011-10-19 13:02:45 +00001585}
1586
David Greene50c09122011-08-10 18:27:46 +00001587void Record::checkName() {
1588 // Ensure the record name has string type.
Craig Toppered5a9502015-04-29 07:13:05 +00001589 const TypedInit *TypedName = cast<const TypedInit>(Name);
David Greene50c09122011-08-10 18:27:46 +00001590 RecTy *Type = TypedName->getType();
Sean Silvaa475e432012-10-05 03:32:00 +00001591 if (!isa<StringRecTy>(Type))
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001592 PrintFatalError(getLoc(), "Record name is not a string!");
David Greene50c09122011-08-10 18:27:46 +00001593}
1594
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +00001595DefInit *Record::getDefInit() {
Craig Topper17b3a372015-04-24 05:38:48 +00001596 static DenseMap<Record *, std::unique_ptr<DefInit>> ThePool;
1597 if (TheInit)
1598 return TheInit;
1599
1600 std::unique_ptr<DefInit> &I = ThePool[this];
1601 if (!I) I.reset(new DefInit(this, new RecordRecTy(this)));
1602 return I.get();
Jakob Stoklund Olesenabcfdce2011-07-18 17:02:57 +00001603}
1604
David Greene50c09122011-08-10 18:27:46 +00001605const std::string &Record::getName() const {
Craig Toppered5a9502015-04-29 07:13:05 +00001606 return cast<StringInit>(Name)->getValue();
David Greene50c09122011-08-10 18:27:46 +00001607}
1608
1609void Record::setName(Init *NewName) {
David Greenef651a2a2011-10-19 13:03:25 +00001610 Name = NewName;
David Greene50c09122011-08-10 18:27:46 +00001611 checkName();
David Greene50c09122011-08-10 18:27:46 +00001612 // DO NOT resolve record values to the name at this point because
1613 // there might be default values for arguments of this def. Those
1614 // arguments might not have been resolved yet so we don't want to
1615 // prematurely assume values for those arguments were not passed to
1616 // this def.
1617 //
1618 // Nonetheless, it may be that some of this Record's values
1619 // reference the record name. Indeed, the reason for having the
1620 // record name be an Init is to provide this flexibility. The extra
1621 // resolve steps after completely instantiating defs takes care of
1622 // this. See TGParser::ParseDef and TGParser::ParseDefm.
1623}
1624
1625void Record::setName(const std::string &Name) {
1626 setName(StringInit::get(Name));
Chris Lattnerac284252005-08-19 17:58:11 +00001627}
1628
Chris Lattneref943742005-04-19 03:36:21 +00001629/// resolveReferencesTo - If anything in this record refers to RV, replace the
1630/// reference to RV with the RHS of RV. If RV is null, we resolve all possible
1631/// references.
1632void Record::resolveReferencesTo(const RecordVal *RV) {
1633 for (unsigned i = 0, e = Values.size(); i != e; ++i) {
Jakob Stoklund Olesenaa0f7522012-03-07 16:39:35 +00001634 if (RV == &Values[i]) // Skip resolve the same field as the given one
1635 continue;
David Greeneaf8ee2c2011-07-29 22:43:06 +00001636 if (Init *V = Values[i].getValue())
Michael Liao026f8332012-09-06 23:32:48 +00001637 if (Values[i].setValue(V->resolveReferences(*this, RV)))
Craig Topper85c07002015-04-30 05:54:22 +00001638 PrintFatalError(getLoc(), "Invalid value is found when setting '" +
1639 Values[i].getNameInitAsString() +
1640 "' after resolving references" +
1641 (RV ? " against '" + RV->getNameInitAsString() +
1642 "' of (" + RV->getValue()->getAsUnquotedString() +
1643 ")"
1644 : "") + "\n");
Chris Lattneref943742005-04-19 03:36:21 +00001645 }
David Greene9effff22011-10-19 13:03:30 +00001646 Init *OldName = getNameInit();
1647 Init *NewName = Name->resolveReferences(*this, RV);
1648 if (NewName != OldName) {
1649 // Re-register with RecordKeeper.
1650 setName(NewName);
1651 }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001652}
1653
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001654void Record::dump() const { errs() << *this; }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001655
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001656raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) {
David Greene98be78a2011-10-19 13:02:57 +00001657 OS << R.getNameInitAsString();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001658
David Greenedb10e692011-10-19 13:02:42 +00001659 const std::vector<Init *> &TArgs = R.getTemplateArgs();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001660 if (!TArgs.empty()) {
1661 OS << "<";
1662 for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
1663 if (i) OS << ", ";
1664 const RecordVal *RV = R.getValue(TArgs[i]);
1665 assert(RV && "Template argument record not found??");
1666 RV->print(OS, false);
1667 }
1668 OS << ">";
1669 }
1670
1671 OS << " {";
1672 const std::vector<Record*> &SC = R.getSuperClasses();
1673 if (!SC.empty()) {
1674 OS << "\t//";
1675 for (unsigned i = 0, e = SC.size(); i != e; ++i)
David Greene077d84e2011-10-19 13:03:02 +00001676 OS << " " << SC[i]->getNameInitAsString();
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001677 }
1678 OS << "\n";
1679
1680 const std::vector<RecordVal> &Vals = R.getValues();
1681 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
1682 if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
1683 OS << Vals[i];
1684 for (unsigned i = 0, e = Vals.size(); i != e; ++i)
1685 if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
1686 OS << Vals[i];
1687
1688 return OS << "}\n";
1689}
1690
1691/// getValueInit - Return the initializer for a value with the specified name,
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001692/// or abort if the field does not exist.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001693///
David Greeneaf8ee2c2011-07-29 22:43:06 +00001694Init *Record::getValueInit(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001695 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001696 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001697 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001698 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001699 return R->getValue();
1700}
1701
1702
1703/// getValueAsString - This method looks up the specified field and returns its
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001704/// value as a string, aborts if the field does not exist or if
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001705/// the value is not a string.
1706///
Chris Lattner42bb0c12009-09-18 18:31:37 +00001707std::string Record::getValueAsString(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001708 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001709 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001710 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001711 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001712
Sean Silvafb509ed2012-10-10 20:24:43 +00001713 if (StringInit *SI = dyn_cast<StringInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001714 return SI->getValue();
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001715 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001716 FieldName + "' does not have a string initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001717}
1718
1719/// getValueAsBitsInit - This method looks up the specified field and returns
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001720/// its value as a BitsInit, aborts if the field does not exist or if
1721/// the value is not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001722///
David Greeneaf8ee2c2011-07-29 22:43:06 +00001723BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001724 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001725 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001726 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001727 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001728
Sean Silvafb509ed2012-10-10 20:24:43 +00001729 if (BitsInit *BI = dyn_cast<BitsInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001730 return BI;
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001731 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001732 FieldName + "' does not have a BitsInit initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001733}
1734
1735/// getValueAsListInit - This method looks up the specified field and returns
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001736/// its value as a ListInit, aborting if the field does not exist or if
1737/// the value is not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001738///
David Greeneaf8ee2c2011-07-29 22:43:06 +00001739ListInit *Record::getValueAsListInit(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001740 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001741 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001742 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001743 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001744
Sean Silvafb509ed2012-10-10 20:24:43 +00001745 if (ListInit *LI = dyn_cast<ListInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001746 return LI;
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001747 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001748 FieldName + "' does not have a list initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001749}
1750
Chris Lattner7ad0bed2005-10-28 22:49:02 +00001751/// getValueAsListOfDefs - This method looks up the specified field and returns
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001752/// its value as a vector of records, aborting if the field does not exist
1753/// or if the value is not the right type.
Jim Laskeyb04feb62005-10-28 21:46:31 +00001754///
Bob Wilson7248f862009-11-22 04:24:42 +00001755std::vector<Record*>
Chris Lattner42bb0c12009-09-18 18:31:37 +00001756Record::getValueAsListOfDefs(StringRef FieldName) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001757 ListInit *List = getValueAsListInit(FieldName);
Jim Laskeyb04feb62005-10-28 21:46:31 +00001758 std::vector<Record*> Defs;
1759 for (unsigned i = 0; i < List->getSize(); i++) {
Craig Toppera9642b42015-05-04 01:35:39 +00001760 if (DefInit *DI = dyn_cast<DefInit>(List->getElement(i)))
Jim Laskeyb04feb62005-10-28 21:46:31 +00001761 Defs.push_back(DI->getDef());
Craig Toppera9642b42015-05-04 01:35:39 +00001762 else
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001763 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001764 FieldName + "' list is not entirely DefInit!");
Jim Laskeyb04feb62005-10-28 21:46:31 +00001765 }
1766 return Defs;
1767}
1768
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001769/// getValueAsInt - This method looks up the specified field and returns its
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001770/// value as an int64_t, aborting if the field does not exist or if the value
1771/// is not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001772///
Chris Lattner42bb0c12009-09-18 18:31:37 +00001773int64_t Record::getValueAsInt(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001774 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001775 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001776 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001777 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001778
Sean Silvafb509ed2012-10-10 20:24:43 +00001779 if (IntInit *II = dyn_cast<IntInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001780 return II->getValue();
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001781 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001782 FieldName + "' does not have an int initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001783}
1784
Anton Korobeynikova468a112007-11-11 11:19:37 +00001785/// getValueAsListOfInts - This method looks up the specified field and returns
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001786/// its value as a vector of integers, aborting if the field does not exist or
1787/// if the value is not the right type.
Anton Korobeynikova468a112007-11-11 11:19:37 +00001788///
Bob Wilson7248f862009-11-22 04:24:42 +00001789std::vector<int64_t>
Chris Lattner42bb0c12009-09-18 18:31:37 +00001790Record::getValueAsListOfInts(StringRef FieldName) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001791 ListInit *List = getValueAsListInit(FieldName);
Dan Gohmanca0546f2008-10-17 01:33:43 +00001792 std::vector<int64_t> Ints;
Anton Korobeynikova468a112007-11-11 11:19:37 +00001793 for (unsigned i = 0; i < List->getSize(); i++) {
Craig Toppera9642b42015-05-04 01:35:39 +00001794 if (IntInit *II = dyn_cast<IntInit>(List->getElement(i)))
Anton Korobeynikova468a112007-11-11 11:19:37 +00001795 Ints.push_back(II->getValue());
Craig Toppera9642b42015-05-04 01:35:39 +00001796 else
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001797 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001798 FieldName + "' does not have a list of ints initializer!");
Anton Korobeynikova468a112007-11-11 11:19:37 +00001799 }
1800 return Ints;
1801}
1802
Owen Andersona84be6c2011-06-27 21:06:21 +00001803/// getValueAsListOfStrings - This method looks up the specified field and
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001804/// returns its value as a vector of strings, aborting if the field does not
1805/// exist or if the value is not the right type.
Owen Andersona84be6c2011-06-27 21:06:21 +00001806///
1807std::vector<std::string>
1808Record::getValueAsListOfStrings(StringRef FieldName) const {
David Greeneaf8ee2c2011-07-29 22:43:06 +00001809 ListInit *List = getValueAsListInit(FieldName);
Owen Andersona84be6c2011-06-27 21:06:21 +00001810 std::vector<std::string> Strings;
1811 for (unsigned i = 0; i < List->getSize(); i++) {
Craig Toppera9642b42015-05-04 01:35:39 +00001812 if (StringInit *II = dyn_cast<StringInit>(List->getElement(i)))
Owen Andersona84be6c2011-06-27 21:06:21 +00001813 Strings.push_back(II->getValue());
Craig Toppera9642b42015-05-04 01:35:39 +00001814 else
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001815 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001816 FieldName + "' does not have a list of strings initializer!");
Owen Andersona84be6c2011-06-27 21:06:21 +00001817 }
1818 return Strings;
1819}
1820
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001821/// getValueAsDef - This method looks up the specified field and returns its
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001822/// value as a Record, aborting if the field does not exist or if the value
1823/// is not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001824///
Chris Lattner42bb0c12009-09-18 18:31:37 +00001825Record *Record::getValueAsDef(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001826 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001827 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001828 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001829 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001830
Sean Silvafb509ed2012-10-10 20:24:43 +00001831 if (DefInit *DI = dyn_cast<DefInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001832 return DI->getDef();
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001833 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001834 FieldName + "' does not have a def initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001835}
1836
1837/// getValueAsBit - This method looks up the specified field and returns its
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001838/// value as a bit, aborting if the field does not exist or if the value is
1839/// not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001840///
Chris Lattner42bb0c12009-09-18 18:31:37 +00001841bool Record::getValueAsBit(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001842 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001843 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001844 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001845 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001846
Sean Silvafb509ed2012-10-10 20:24:43 +00001847 if (BitInit *BI = dyn_cast<BitInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001848 return BI->getValue();
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001849 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001850 FieldName + "' does not have a bit initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001851}
1852
Jakob Stoklund Olesenaf507bf2012-08-23 19:34:46 +00001853bool Record::getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const {
1854 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001855 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001856 PrintFatalError(getLoc(), "Record `" + getName() +
1857 "' does not have a field named `" + FieldName.str() + "'!\n");
Jakob Stoklund Olesenaf507bf2012-08-23 19:34:46 +00001858
Craig Topper1bf3d1f2015-04-22 02:09:45 +00001859 if (isa<UnsetInit>(R->getValue())) {
Jakob Stoklund Olesenaf507bf2012-08-23 19:34:46 +00001860 Unset = true;
1861 return false;
1862 }
1863 Unset = false;
Sean Silvafb509ed2012-10-10 20:24:43 +00001864 if (BitInit *BI = dyn_cast<BitInit>(R->getValue()))
Jakob Stoklund Olesenaf507bf2012-08-23 19:34:46 +00001865 return BI->getValue();
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001866 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001867 FieldName + "' does not have a bit initializer!");
Jakob Stoklund Olesenaf507bf2012-08-23 19:34:46 +00001868}
1869
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001870/// getValueAsDag - This method looks up the specified field and returns its
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001871/// value as an Dag, aborting if the field does not exist or if the value is
1872/// not the right type.
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001873///
David Greeneaf8ee2c2011-07-29 22:43:06 +00001874DagInit *Record::getValueAsDag(StringRef FieldName) const {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001875 const RecordVal *R = getValue(FieldName);
Craig Topper011817a2014-04-09 04:50:04 +00001876 if (!R || !R->getValue())
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001877 PrintFatalError(getLoc(), "Record `" + getName() +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001878 "' does not have a field named `" + FieldName + "'!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001879
Sean Silvafb509ed2012-10-10 20:24:43 +00001880 if (DagInit *DI = dyn_cast<DagInit>(R->getValue()))
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001881 return DI;
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001882 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
Benjamin Kramer48e7e852014-03-29 17:17:15 +00001883 FieldName + "' does not have a dag initializer!");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001884}
1885
1886
David Greene7049e792009-04-24 16:55:41 +00001887void MultiClass::dump() const {
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001888 errs() << "Record:\n";
David Greene7049e792009-04-24 16:55:41 +00001889 Rec.dump();
Bob Wilson7248f862009-11-22 04:24:42 +00001890
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001891 errs() << "Defs:\n";
Craig Toppera9642b42015-05-04 01:35:39 +00001892 for (const auto &Proto : DefPrototypes)
Craig Topper119998d2015-04-29 07:13:14 +00001893 Proto->dump();
David Greene7049e792009-04-24 16:55:41 +00001894}
1895
1896
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001897void RecordKeeper::dump() const { errs() << *this; }
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001898
Daniel Dunbar38a22bf2009-07-03 00:10:29 +00001899raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) {
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001900 OS << "------------- Classes -----------------\n";
Craig Toppera0ff5402015-05-12 05:25:10 +00001901 for (const auto &C : RK.getClasses())
Dylan Noblesmith80f0e432014-08-24 19:10:49 +00001902 OS << "class " << *C.second;
Misha Brukman650ba8e2005-04-22 00:00:37 +00001903
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001904 OS << "------------- Defs -----------------\n";
Craig Toppera0ff5402015-05-12 05:25:10 +00001905 for (const auto &D : RK.getDefs())
Dylan Noblesmith80f0e432014-08-24 19:10:49 +00001906 OS << "def " << *D.second;
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001907 return OS;
1908}
1909
1910
1911/// getAllDerivedDefinitions - This method returns all concrete definitions
1912/// that derive from the specified class name. If a class with the specified
1913/// name does not exist, an error is printed and true is returned.
1914std::vector<Record*>
1915RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
Chris Lattner97049072010-12-13 00:20:52 +00001916 Record *Class = getClass(ClassName);
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001917 if (!Class)
Joerg Sonnenberger635debe2012-10-25 20:33:17 +00001918 PrintFatalError("ERROR: Couldn't find the `" + ClassName + "' class!\n");
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001919
1920 std::vector<Record*> Defs;
Dylan Noblesmith80f0e432014-08-24 19:10:49 +00001921 for (const auto &D : getDefs())
1922 if (D.second->isSubClassOf(Class))
Dylan Noblesmith085fc4d2014-08-24 19:10:57 +00001923 Defs.push_back(D.second.get());
Chris Lattnerf5bd1b72003-10-05 19:27:59 +00001924
1925 return Defs;
1926}
Brian Gaeke960707c2003-11-11 22:41:34 +00001927
David Greenee7145122011-10-19 13:02:36 +00001928/// QualifyName - Return an Init with a qualifier prefix referring
1929/// to CurRec's name.
1930Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1931 Init *Name, const std::string &Scoper) {
Benjamin Kramer619c4e52015-04-10 11:24:51 +00001932 RecTy *Type = cast<TypedInit>(Name)->getType();
David Greenee7145122011-10-19 13:02:36 +00001933
1934 BinOpInit *NewName =
1935 BinOpInit::get(BinOpInit::STRCONCAT,
1936 BinOpInit::get(BinOpInit::STRCONCAT,
1937 CurRec.getNameInit(),
1938 StringInit::get(Scoper),
1939 Type)->Fold(&CurRec, CurMultiClass),
1940 Name,
1941 Type);
1942
1943 if (CurMultiClass && Scoper != "::") {
1944 NewName =
1945 BinOpInit::get(BinOpInit::STRCONCAT,
1946 BinOpInit::get(BinOpInit::STRCONCAT,
1947 CurMultiClass->Rec.getNameInit(),
1948 StringInit::get("::"),
1949 Type)->Fold(&CurRec, CurMultiClass),
1950 NewName->Fold(&CurRec, CurMultiClass),
1951 Type);
1952 }
1953
1954 return NewName->Fold(&CurRec, CurMultiClass);
1955}
1956
1957/// QualifyName - Return an Init with a qualifier prefix referring
1958/// to CurRec's name.
1959Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1960 const std::string &Name,
1961 const std::string &Scoper) {
1962 return QualifyName(CurRec, CurMultiClass, StringInit::get(Name), Scoper);
1963}