blob: 3d079ee35f5605994412a14dd36edc9366658f72 [file] [log] [blame]
Chandler Carruth7132e002007-08-04 01:51:18 +00001//===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===//
2//
3// The LLVM Compiler Infrastructure
4//
Chris Lattnerf3ebc3f2007-12-29 20:36:04 +00005// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
Chandler Carruth7132e002007-08-04 01:51:18 +00007//
8//===----------------------------------------------------------------------===//
9//
Sanjay Patel19792fb2015-03-10 16:08:36 +000010// This file implements the auto-upgrade helper functions.
11// This is where deprecated IR intrinsics and other IR features are updated to
12// current specifications.
Chandler Carruth7132e002007-08-04 01:51:18 +000013//
14//===----------------------------------------------------------------------===//
15
Chandler Carruth91065212014-03-05 10:34:14 +000016#include "llvm/IR/AutoUpgrade.h"
Chandler Carruth1305dc32014-03-04 11:45:46 +000017#include "llvm/IR/CFG.h"
Chandler Carruth219b89b2014-03-04 11:01:28 +000018#include "llvm/IR/CallSite.h"
Chandler Carruth9fb823b2013-01-02 11:36:10 +000019#include "llvm/IR/Constants.h"
Chandler Carruthd9903882015-01-14 11:23:27 +000020#include "llvm/IR/DIBuilder.h"
Chandler Carruth9a4c9e52014-03-06 00:46:21 +000021#include "llvm/IR/DebugInfo.h"
Manman Ren2ebfb422014-01-16 01:51:12 +000022#include "llvm/IR/DiagnosticInfo.h"
Chandler Carruth9fb823b2013-01-02 11:36:10 +000023#include "llvm/IR/Function.h"
24#include "llvm/IR/IRBuilder.h"
25#include "llvm/IR/Instruction.h"
26#include "llvm/IR/IntrinsicInst.h"
27#include "llvm/IR/LLVMContext.h"
28#include "llvm/IR/Module.h"
Torok Edwin56d06592009-07-11 20:10:48 +000029#include "llvm/Support/ErrorHandling.h"
Jeroen Ketemaab99b592015-09-30 10:56:37 +000030#include "llvm/Support/Regex.h"
Anton Korobeynikov579f0712008-02-20 11:08:44 +000031#include <cstring>
Chandler Carruth7132e002007-08-04 01:51:18 +000032using namespace llvm;
33
Rafael Espindolad7325ee2016-10-03 15:51:42 +000034static void rename(GlobalValue *GV) { GV->setName(GV->getName() + ".old"); }
35
Nadav Rotem17ee58a2012-06-10 18:42:51 +000036// Upgrade the declarations of the SSE4.1 functions whose arguments have
37// changed their type from v4f32 to v2i64.
38static bool UpgradeSSE41Function(Function* F, Intrinsic::ID IID,
39 Function *&NewFn) {
40 // Check whether this is an old version of the function, which received
41 // v4f32 arguments.
42 Type *Arg0Type = F->getFunctionType()->getParamType(0);
43 if (Arg0Type != VectorType::get(Type::getFloatTy(F->getContext()), 4))
44 return false;
45
46 // Yes, it's old, replace it with new version.
Rafael Espindolad7325ee2016-10-03 15:51:42 +000047 rename(F);
Nadav Rotem17ee58a2012-06-10 18:42:51 +000048 NewFn = Intrinsic::getDeclaration(F->getParent(), IID);
49 return true;
50}
Chandler Carruth7132e002007-08-04 01:51:18 +000051
Chandler Carruth373b2b12014-09-06 10:00:01 +000052// Upgrade the declarations of intrinsic functions whose 8-bit immediate mask
53// arguments have changed their type from i32 to i8.
54static bool UpgradeX86IntrinsicsWith8BitMask(Function *F, Intrinsic::ID IID,
55 Function *&NewFn) {
56 // Check that the last argument is an i32.
57 Type *LastArgType = F->getFunctionType()->getParamType(
58 F->getFunctionType()->getNumParams() - 1);
59 if (!LastArgType->isIntegerTy(32))
60 return false;
61
62 // Move this function aside and map down.
Rafael Espindolad7325ee2016-10-03 15:51:42 +000063 rename(F);
Chandler Carruth373b2b12014-09-06 10:00:01 +000064 NewFn = Intrinsic::getDeclaration(F->getParent(), IID);
65 return true;
66}
67
Evan Cheng0e179d02007-12-17 22:33:23 +000068static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
Chandler Carruth7132e002007-08-04 01:51:18 +000069 assert(F && "Illegal to upgrade a non-existent Function.");
70
Chandler Carruth7132e002007-08-04 01:51:18 +000071 // Quickly eliminate it, if it's not a candidate.
Eric Liuc9c68172016-07-08 16:09:51 +000072 StringRef Name = F->getName();
Chris Lattnerb372f662011-06-18 18:56:39 +000073 if (Name.size() <= 8 || !Name.startswith("llvm."))
Evan Cheng0e179d02007-12-17 22:33:23 +000074 return false;
Chris Lattnerb372f662011-06-18 18:56:39 +000075 Name = Name.substr(5); // Strip off "llvm."
Chris Lattner0bcbde42011-11-27 08:42:07 +000076
Chris Lattnerb372f662011-06-18 18:56:39 +000077 switch (Name[0]) {
Chandler Carruth7132e002007-08-04 01:51:18 +000078 default: break;
Joel Jones43cb8782012-07-13 23:25:25 +000079 case 'a': {
80 if (Name.startswith("arm.neon.vclz")) {
81 Type* args[2] = {
Matt Arsenaultc4c92262013-07-20 17:46:00 +000082 F->arg_begin()->getType(),
Joel Jones43cb8782012-07-13 23:25:25 +000083 Type::getInt1Ty(F->getContext())
84 };
85 // Can't use Intrinsic::getDeclaration here as it adds a ".i1" to
86 // the end of the name. Change name from llvm.arm.neon.vclz.* to
87 // llvm.ctlz.*
88 FunctionType* fType = FunctionType::get(F->getReturnType(), args, false);
Matt Arsenaultc4c92262013-07-20 17:46:00 +000089 NewFn = Function::Create(fType, F->getLinkage(),
Joel Jones43cb8782012-07-13 23:25:25 +000090 "llvm.ctlz." + Name.substr(14), F->getParent());
91 return true;
92 }
Joel Jonesb84f7be2012-07-18 00:02:16 +000093 if (Name.startswith("arm.neon.vcnt")) {
94 NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctpop,
95 F->arg_begin()->getType());
96 return true;
97 }
Jeroen Ketemaab99b592015-09-30 10:56:37 +000098 Regex vldRegex("^arm\\.neon\\.vld([1234]|[234]lane)\\.v[a-z0-9]*$");
99 if (vldRegex.match(Name)) {
100 auto fArgs = F->getFunctionType()->params();
101 SmallVector<Type *, 4> Tys(fArgs.begin(), fArgs.end());
102 // Can't use Intrinsic::getDeclaration here as the return types might
103 // then only be structurally equal.
104 FunctionType* fType = FunctionType::get(F->getReturnType(), Tys, false);
105 NewFn = Function::Create(fType, F->getLinkage(),
106 "llvm." + Name + ".p0i8", F->getParent());
107 return true;
108 }
109 Regex vstRegex("^arm\\.neon\\.vst([1234]|[234]lane)\\.v[a-z0-9]*$");
110 if (vstRegex.match(Name)) {
Craig Topper26260942015-10-18 05:15:34 +0000111 static const Intrinsic::ID StoreInts[] = {Intrinsic::arm_neon_vst1,
112 Intrinsic::arm_neon_vst2,
113 Intrinsic::arm_neon_vst3,
114 Intrinsic::arm_neon_vst4};
Jeroen Ketemaab99b592015-09-30 10:56:37 +0000115
Craig Topper26260942015-10-18 05:15:34 +0000116 static const Intrinsic::ID StoreLaneInts[] = {
117 Intrinsic::arm_neon_vst2lane, Intrinsic::arm_neon_vst3lane,
118 Intrinsic::arm_neon_vst4lane
119 };
Jeroen Ketemaab99b592015-09-30 10:56:37 +0000120
121 auto fArgs = F->getFunctionType()->params();
122 Type *Tys[] = {fArgs[0], fArgs[1]};
123 if (Name.find("lane") == StringRef::npos)
124 NewFn = Intrinsic::getDeclaration(F->getParent(),
125 StoreInts[fArgs.size() - 3], Tys);
126 else
127 NewFn = Intrinsic::getDeclaration(F->getParent(),
128 StoreLaneInts[fArgs.size() - 5], Tys);
129 return true;
130 }
Marcin Koscielnicki3fdc2572016-04-19 20:51:05 +0000131 if (Name == "aarch64.thread.pointer" || Name == "arm.thread.pointer") {
132 NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::thread_pointer);
133 return true;
134 }
Joel Jones43cb8782012-07-13 23:25:25 +0000135 break;
136 }
Jeroen Ketemaab99b592015-09-30 10:56:37 +0000137
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000138 case 'c': {
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000139 if (Name.startswith("ctlz.") && F->arg_size() == 1) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000140 rename(F);
Chandler Carruthd4a02402011-12-12 10:57:20 +0000141 NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz,
142 F->arg_begin()->getType());
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000143 return true;
144 }
145 if (Name.startswith("cttz.") && F->arg_size() == 1) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000146 rename(F);
Chandler Carruthd4a02402011-12-12 10:57:20 +0000147 NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::cttz,
148 F->arg_begin()->getType());
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000149 return true;
150 }
151 break;
152 }
Mehdi Amini8c629ec2016-08-13 23:31:24 +0000153 case 'i': {
154 if (Name.startswith("invariant.start")) {
155 auto Args = F->getFunctionType()->params();
156 Type* ObjectPtr[1] = {Args[1]};
157 if (F->getName() !=
158 Intrinsic::getName(Intrinsic::invariant_start, ObjectPtr)) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000159 rename(F);
Mehdi Amini8c629ec2016-08-13 23:31:24 +0000160 NewFn = Intrinsic::getDeclaration(
161 F->getParent(), Intrinsic::invariant_start, ObjectPtr);
162 return true;
163 }
164 }
165 if (Name.startswith("invariant.end")) {
166 auto Args = F->getFunctionType()->params();
167 Type* ObjectPtr[1] = {Args[2]};
168 if (F->getName() !=
169 Intrinsic::getName(Intrinsic::invariant_end, ObjectPtr)) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000170 rename(F);
Mehdi Amini8c629ec2016-08-13 23:31:24 +0000171 NewFn = Intrinsic::getDeclaration(F->getParent(),
172 Intrinsic::invariant_end, ObjectPtr);
173 return true;
174 }
175 }
176 break;
177 }
Artur Pilipenko7ad95ec2016-06-28 18:27:25 +0000178 case 'm': {
179 if (Name.startswith("masked.load.")) {
180 Type *Tys[] = { F->getReturnType(), F->arg_begin()->getType() };
181 if (F->getName() != Intrinsic::getName(Intrinsic::masked_load, Tys)) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000182 rename(F);
Artur Pilipenko7ad95ec2016-06-28 18:27:25 +0000183 NewFn = Intrinsic::getDeclaration(F->getParent(),
184 Intrinsic::masked_load,
185 Tys);
186 return true;
187 }
188 }
189 if (Name.startswith("masked.store.")) {
190 auto Args = F->getFunctionType()->params();
191 Type *Tys[] = { Args[0], Args[1] };
192 if (F->getName() != Intrinsic::getName(Intrinsic::masked_store, Tys)) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000193 rename(F);
Artur Pilipenko7ad95ec2016-06-28 18:27:25 +0000194 NewFn = Intrinsic::getDeclaration(F->getParent(),
195 Intrinsic::masked_store,
196 Tys);
197 return true;
198 }
199 }
200 break;
201 }
202
Matt Arsenaultfbcbce42013-10-07 18:06:48 +0000203 case 'o':
204 // We only need to change the name to match the mangling including the
205 // address space.
206 if (F->arg_size() == 2 && Name.startswith("objectsize.")) {
207 Type *Tys[2] = { F->getReturnType(), F->arg_begin()->getType() };
208 if (F->getName() != Intrinsic::getName(Intrinsic::objectsize, Tys)) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000209 rename(F);
Matt Arsenaultfbcbce42013-10-07 18:06:48 +0000210 NewFn = Intrinsic::getDeclaration(F->getParent(),
211 Intrinsic::objectsize, Tys);
212 return true;
213 }
214 }
215 break;
216
Tim Shen00127562016-04-08 21:26:31 +0000217 case 's':
218 if (Name == "stackprotectorcheck") {
219 NewFn = nullptr;
220 return true;
221 }
George Burgess IV63b06e12016-11-08 04:01:50 +0000222 break;
Tim Shen00127562016-04-08 21:26:31 +0000223
Craig Topper3b1817d2012-02-03 06:10:55 +0000224 case 'x': {
Craig Topper5aebb862016-07-04 20:56:38 +0000225 bool IsX86 = Name.startswith("x86.");
226 if (IsX86)
227 Name = Name.substr(4);
228
Craig Toppere6915b82016-11-15 05:04:51 +0000229 // All of the intrinsics matches below should be marked with which llvm
230 // version started autoupgrading them. At some point in the future we would
231 // like to use this information to remove upgrade code for some older
232 // intrinsics. It is currently undecided how we will determine that future
233 // point.
Craig Topper5aebb862016-07-04 20:56:38 +0000234 if (IsX86 &&
Craig Toppere6915b82016-11-15 05:04:51 +0000235 (Name.startswith("sse2.pcmpeq.") || // Added in 3.1
236 Name.startswith("sse2.pcmpgt.") || // Added in 3.1
237 Name.startswith("avx2.pcmpeq.") || // Added in 3.1
238 Name.startswith("avx2.pcmpgt.") || // Added in 3.1
239 Name.startswith("avx512.mask.pcmpeq.") || // Added in 3.9
240 Name.startswith("avx512.mask.pcmpgt.") || // Added in 3.9
Craig Topper6910fa02016-11-16 05:24:10 +0000241 Name == "sse.add.ss" || // Added in 4.0
242 Name == "sse2.add.sd" || // Added in 4.0
243 Name == "sse.sub.ss" || // Added in 4.0
244 Name == "sse2.sub.sd" || // Added in 4.0
245 Name == "sse.mul.ss" || // Added in 4.0
246 Name == "sse2.mul.sd" || // Added in 4.0
247 Name == "sse.div.ss" || // Added in 4.0
248 Name == "sse2.div.sd" || // Added in 4.0
Craig Toppere6915b82016-11-15 05:04:51 +0000249 Name == "sse41.pmaxsb" || // Added in 3.9
250 Name == "sse2.pmaxs.w" || // Added in 3.9
251 Name == "sse41.pmaxsd" || // Added in 3.9
252 Name == "sse2.pmaxu.b" || // Added in 3.9
253 Name == "sse41.pmaxuw" || // Added in 3.9
254 Name == "sse41.pmaxud" || // Added in 3.9
255 Name == "sse41.pminsb" || // Added in 3.9
256 Name == "sse2.pmins.w" || // Added in 3.9
257 Name == "sse41.pminsd" || // Added in 3.9
258 Name == "sse2.pminu.b" || // Added in 3.9
259 Name == "sse41.pminuw" || // Added in 3.9
260 Name == "sse41.pminud" || // Added in 3.9
261 Name == "avx512.mask.pshuf.b.128" || // Added in 4.0
262 Name == "avx512.mask.pshuf.b.256" || // Added in 4.0
263 Name.startswith("avx2.pmax") || // Added in 3.9
264 Name.startswith("avx2.pmin") || // Added in 3.9
265 Name.startswith("avx512.mask.pmax") || // Added in 4.0
266 Name.startswith("avx512.mask.pmin") || // Added in 4.0
267 Name.startswith("avx2.vbroadcast") || // Added in 3.8
268 Name.startswith("avx2.pbroadcast") || // Added in 3.8
269 Name.startswith("avx.vpermil.") || // Added in 3.1
270 Name.startswith("sse2.pshuf") || // Added in 3.9
271 Name.startswith("avx512.pbroadcast") || // Added in 3.9
272 Name.startswith("avx512.mask.broadcast.s") || // Added in 3.9
273 Name.startswith("avx512.mask.movddup") || // Added in 3.9
274 Name.startswith("avx512.mask.movshdup") || // Added in 3.9
275 Name.startswith("avx512.mask.movsldup") || // Added in 3.9
276 Name.startswith("avx512.mask.pshuf.d.") || // Added in 3.9
277 Name.startswith("avx512.mask.pshufl.w.") || // Added in 3.9
278 Name.startswith("avx512.mask.pshufh.w.") || // Added in 3.9
279 Name.startswith("avx512.mask.shuf.p") || // Added in 4.0
280 Name.startswith("avx512.mask.vpermil.p") || // Added in 3.9
281 Name.startswith("avx512.mask.perm.df.") || // Added in 3.9
282 Name.startswith("avx512.mask.perm.di.") || // Added in 3.9
283 Name.startswith("avx512.mask.punpckl") || // Added in 3.9
284 Name.startswith("avx512.mask.punpckh") || // Added in 3.9
285 Name.startswith("avx512.mask.unpckl.") || // Added in 3.9
286 Name.startswith("avx512.mask.unpckh.") || // Added in 3.9
287 Name.startswith("avx512.mask.pand.") || // Added in 3.9
288 Name.startswith("avx512.mask.pandn.") || // Added in 3.9
289 Name.startswith("avx512.mask.por.") || // Added in 3.9
290 Name.startswith("avx512.mask.pxor.") || // Added in 3.9
291 Name.startswith("avx512.mask.and.") || // Added in 3.9
292 Name.startswith("avx512.mask.andn.") || // Added in 3.9
293 Name.startswith("avx512.mask.or.") || // Added in 3.9
294 Name.startswith("avx512.mask.xor.") || // Added in 3.9
295 Name.startswith("avx512.mask.padd.") || // Added in 4.0
296 Name.startswith("avx512.mask.psub.") || // Added in 4.0
297 Name.startswith("avx512.mask.pmull.") || // Added in 4.0
298 Name == "avx512.mask.add.pd.128" || // Added in 4.0
299 Name == "avx512.mask.add.pd.256" || // Added in 4.0
300 Name == "avx512.mask.add.ps.128" || // Added in 4.0
301 Name == "avx512.mask.add.ps.256" || // Added in 4.0
302 Name == "avx512.mask.div.pd.128" || // Added in 4.0
303 Name == "avx512.mask.div.pd.256" || // Added in 4.0
304 Name == "avx512.mask.div.ps.128" || // Added in 4.0
305 Name == "avx512.mask.div.ps.256" || // Added in 4.0
306 Name == "avx512.mask.mul.pd.128" || // Added in 4.0
307 Name == "avx512.mask.mul.pd.256" || // Added in 4.0
308 Name == "avx512.mask.mul.ps.128" || // Added in 4.0
309 Name == "avx512.mask.mul.ps.256" || // Added in 4.0
310 Name == "avx512.mask.sub.pd.128" || // Added in 4.0
311 Name == "avx512.mask.sub.pd.256" || // Added in 4.0
312 Name == "avx512.mask.sub.ps.128" || // Added in 4.0
313 Name == "avx512.mask.sub.ps.256" || // Added in 4.0
314 Name.startswith("avx512.mask.psll.d") || // Added in 4.0
315 Name.startswith("avx512.mask.psll.q") || // Added in 4.0
316 Name.startswith("avx512.mask.psll.w") || // Added in 4.0
317 Name.startswith("avx512.mask.psra.d") || // Added in 4.0
318 Name.startswith("avx512.mask.psra.q") || // Added in 4.0
319 Name.startswith("avx512.mask.psra.w") || // Added in 4.0
320 Name.startswith("avx512.mask.psrl.d") || // Added in 4.0
321 Name.startswith("avx512.mask.psrl.q") || // Added in 4.0
322 Name.startswith("avx512.mask.psrl.w") || // Added in 4.0
323 Name.startswith("avx512.mask.pslli") || // Added in 4.0
324 Name.startswith("avx512.mask.psrai") || // Added in 4.0
325 Name.startswith("avx512.mask.psrli") || // Added in 4.0
326 Name == "avx512.mask.psllv2.di" || // Added in 4.0
327 Name == "avx512.mask.psllv4.di" || // Added in 4.0
328 Name == "avx512.mask.psllv4.si" || // Added in 4.0
329 Name == "avx512.mask.psllv8.si" || // Added in 4.0
330 Name == "avx512.mask.psrav4.si" || // Added in 4.0
331 Name == "avx512.mask.psrav8.si" || // Added in 4.0
332 Name == "avx512.mask.psrlv2.di" || // Added in 4.0
333 Name == "avx512.mask.psrlv4.di" || // Added in 4.0
334 Name == "avx512.mask.psrlv4.si" || // Added in 4.0
335 Name == "avx512.mask.psrlv8.si" || // Added in 4.0
336 Name.startswith("avx512.mask.psllv.") || // Added in 4.0
337 Name.startswith("avx512.mask.psrav.") || // Added in 4.0
338 Name.startswith("avx512.mask.psrlv.") || // Added in 4.0
339 Name.startswith("sse41.pmovsx") || // Added in 3.8
340 Name.startswith("sse41.pmovzx") || // Added in 3.9
341 Name.startswith("avx2.pmovsx") || // Added in 3.9
342 Name.startswith("avx2.pmovzx") || // Added in 3.9
343 Name.startswith("avx512.mask.pmovsx") || // Added in 4.0
344 Name.startswith("avx512.mask.pmovzx") || // Added in 4.0
345 Name == "sse2.cvtdq2pd" || // Added in 3.9
346 Name == "sse2.cvtps2pd" || // Added in 3.9
347 Name == "avx.cvtdq2.pd.256" || // Added in 3.9
348 Name == "avx.cvt.ps2.pd.256" || // Added in 3.9
349 Name.startswith("avx.vinsertf128.") || // Added in 3.7
350 Name == "avx2.vinserti128" || // Added in 3.7
351 Name.startswith("avx.vextractf128.") || // Added in 3.7
352 Name == "avx2.vextracti128" || // Added in 3.7
353 Name.startswith("sse4a.movnt.") || // Added in 3.9
354 Name.startswith("avx.movnt.") || // Added in 3.2
355 Name.startswith("avx512.storent.") || // Added in 3.9
356 Name == "sse2.storel.dq" || // Added in 3.9
357 Name.startswith("sse.storeu.") || // Added in 3.9
358 Name.startswith("sse2.storeu.") || // Added in 3.9
359 Name.startswith("avx.storeu.") || // Added in 3.9
360 Name.startswith("avx512.mask.storeu.") || // Added in 3.9
361 Name.startswith("avx512.mask.store.p") || // Added in 3.9
362 Name.startswith("avx512.mask.store.b.") || // Added in 3.9
363 Name.startswith("avx512.mask.store.w.") || // Added in 3.9
364 Name.startswith("avx512.mask.store.d.") || // Added in 3.9
365 Name.startswith("avx512.mask.store.q.") || // Added in 3.9
366 Name.startswith("avx512.mask.loadu.") || // Added in 3.9
367 Name.startswith("avx512.mask.load.") || // Added in 3.9
368 Name == "sse42.crc32.64.8" || // Added in 3.4
369 Name.startswith("avx.vbroadcast.s") || // Added in 3.5
370 Name.startswith("avx512.mask.palignr.") || // Added in 3.9
371 Name.startswith("sse2.psll.dq") || // Added in 3.7
372 Name.startswith("sse2.psrl.dq") || // Added in 3.7
373 Name.startswith("avx2.psll.dq") || // Added in 3.7
374 Name.startswith("avx2.psrl.dq") || // Added in 3.7
375 Name.startswith("avx512.psll.dq") || // Added in 3.9
376 Name.startswith("avx512.psrl.dq") || // Added in 3.9
377 Name == "sse41.pblendw" || // Added in 3.7
378 Name.startswith("sse41.blendp") || // Added in 3.7
379 Name.startswith("avx.blend.p") || // Added in 3.7
380 Name == "avx2.pblendw" || // Added in 3.7
381 Name.startswith("avx2.pblendd.") || // Added in 3.7
382 Name.startswith("avx.vbroadcastf128") || // Added in 4.0
383 Name == "avx2.vbroadcasti128" || // Added in 3.7
384 Name == "xop.vpcmov" || // Added in 3.8
Ayman Musa4d602432016-11-16 09:00:28 +0000385 Name.startswith("avx512.mask.move.s") || // Added in 4.0
Craig Toppere6915b82016-11-15 05:04:51 +0000386 (Name.startswith("xop.vpcom") && // Added in 3.2
387 F->arg_size() == 2))) {
Craig Topperc6207612014-04-09 06:08:46 +0000388 NewFn = nullptr;
Craig Topper3b1817d2012-02-03 06:10:55 +0000389 return true;
390 }
Nadav Rotem17ee58a2012-06-10 18:42:51 +0000391 // SSE4.1 ptest functions may have an old signature.
Craig Toppere6915b82016-11-15 05:04:51 +0000392 if (IsX86 && Name.startswith("sse41.ptest")) { // Added in 3.2
Craig Topper5aebb862016-07-04 20:56:38 +0000393 if (Name.substr(11) == "c")
Nadav Rotem17ee58a2012-06-10 18:42:51 +0000394 return UpgradeSSE41Function(F, Intrinsic::x86_sse41_ptestc, NewFn);
Craig Topper5aebb862016-07-04 20:56:38 +0000395 if (Name.substr(11) == "z")
Nadav Rotem17ee58a2012-06-10 18:42:51 +0000396 return UpgradeSSE41Function(F, Intrinsic::x86_sse41_ptestz, NewFn);
Craig Topper5aebb862016-07-04 20:56:38 +0000397 if (Name.substr(11) == "nzc")
Nadav Rotem17ee58a2012-06-10 18:42:51 +0000398 return UpgradeSSE41Function(F, Intrinsic::x86_sse41_ptestnzc, NewFn);
399 }
Sanjay Patel1c3eaec2015-02-28 22:25:06 +0000400 // Several blend and other instructions with masks used the wrong number of
Chandler Carruth373b2b12014-09-06 10:00:01 +0000401 // bits.
Craig Toppere6915b82016-11-15 05:04:51 +0000402 if (IsX86 && Name == "sse41.insertps") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000403 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_insertps,
404 NewFn);
Craig Toppere6915b82016-11-15 05:04:51 +0000405 if (IsX86 && Name == "sse41.dppd") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000406 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dppd,
407 NewFn);
Craig Toppere6915b82016-11-15 05:04:51 +0000408 if (IsX86 && Name == "sse41.dpps") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000409 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dpps,
410 NewFn);
Craig Toppere6915b82016-11-15 05:04:51 +0000411 if (IsX86 && Name == "sse41.mpsadbw") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000412 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_mpsadbw,
413 NewFn);
Craig Toppere6915b82016-11-15 05:04:51 +0000414 if (IsX86 && Name == "avx.dp.ps.256") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000415 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx_dp_ps_256,
416 NewFn);
Craig Toppere6915b82016-11-15 05:04:51 +0000417 if (IsX86 && Name == "avx2.mpsadbw") // Added in 3.6
Chandler Carruth373b2b12014-09-06 10:00:01 +0000418 return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx2_mpsadbw,
419 NewFn);
Craig Topper29f2e952015-01-25 23:26:02 +0000420
Craig Toppere6915b82016-11-15 05:04:51 +0000421 // frcz.ss/sd may need to have an argument dropped. Added in 3.2
Craig Topper5aebb862016-07-04 20:56:38 +0000422 if (IsX86 && Name.startswith("xop.vfrcz.ss") && F->arg_size() == 2) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000423 rename(F);
Craig Topper71dc02d2012-06-13 07:18:53 +0000424 NewFn = Intrinsic::getDeclaration(F->getParent(),
425 Intrinsic::x86_xop_vfrcz_ss);
426 return true;
427 }
Craig Topper5aebb862016-07-04 20:56:38 +0000428 if (IsX86 && Name.startswith("xop.vfrcz.sd") && F->arg_size() == 2) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000429 rename(F);
Craig Topper71dc02d2012-06-13 07:18:53 +0000430 NewFn = Intrinsic::getDeclaration(F->getParent(),
431 Intrinsic::x86_xop_vfrcz_sd);
432 return true;
433 }
Simon Pilgrime85506b2016-06-03 08:06:03 +0000434 // Upgrade any XOP PERMIL2 index operand still using a float/double vector.
Craig Toppere6915b82016-11-15 05:04:51 +0000435 if (IsX86 && Name.startswith("xop.vpermil2")) { // Added in 3.9
Simon Pilgrime85506b2016-06-03 08:06:03 +0000436 auto Params = F->getFunctionType()->params();
437 auto Idx = Params[2];
438 if (Idx->getScalarType()->isFloatingPointTy()) {
Rafael Espindolad7325ee2016-10-03 15:51:42 +0000439 rename(F);
Simon Pilgrime85506b2016-06-03 08:06:03 +0000440 unsigned IdxSize = Idx->getPrimitiveSizeInBits();
441 unsigned EltSize = Idx->getScalarSizeInBits();
442 Intrinsic::ID Permil2ID;
443 if (EltSize == 64 && IdxSize == 128)
444 Permil2ID = Intrinsic::x86_xop_vpermil2pd;
445 else if (EltSize == 32 && IdxSize == 128)
446 Permil2ID = Intrinsic::x86_xop_vpermil2ps;
447 else if (EltSize == 64 && IdxSize == 256)
448 Permil2ID = Intrinsic::x86_xop_vpermil2pd_256;
449 else
450 Permil2ID = Intrinsic::x86_xop_vpermil2ps_256;
451 NewFn = Intrinsic::getDeclaration(F->getParent(), Permil2ID);
452 return true;
453 }
454 }
Craig Topper3b1817d2012-02-03 06:10:55 +0000455 break;
456 }
Chris Lattnerb372f662011-06-18 18:56:39 +0000457 }
Chandler Carruth7132e002007-08-04 01:51:18 +0000458
Nadav Rotem17ee58a2012-06-10 18:42:51 +0000459 // This may not belong here. This function is effectively being overloaded
460 // to both detect an intrinsic which needs upgrading, and to provide the
461 // upgraded form of the intrinsic. We should perhaps have two separate
Chandler Carruth7132e002007-08-04 01:51:18 +0000462 // functions for this.
Evan Cheng0e179d02007-12-17 22:33:23 +0000463 return false;
Chandler Carruth7132e002007-08-04 01:51:18 +0000464}
465
Evan Cheng0e179d02007-12-17 22:33:23 +0000466bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
Craig Topperc6207612014-04-09 06:08:46 +0000467 NewFn = nullptr;
Evan Cheng0e179d02007-12-17 22:33:23 +0000468 bool Upgraded = UpgradeIntrinsicFunction1(F, NewFn);
Filipe Cabecinhas0011c582015-07-03 20:12:01 +0000469 assert(F != NewFn && "Intrinsic function upgraded to the same function");
Duncan Sands38ef3a82007-12-03 20:06:50 +0000470
471 // Upgrade intrinsic attributes. This does not change the function.
Evan Cheng0e179d02007-12-17 22:33:23 +0000472 if (NewFn)
473 F = NewFn;
Pete Cooper9e1d3352015-05-20 17:16:39 +0000474 if (Intrinsic::ID id = F->getIntrinsicID())
475 F->setAttributes(Intrinsic::getAttributes(F->getContext(), id));
Duncan Sands38ef3a82007-12-03 20:06:50 +0000476 return Upgraded;
477}
478
Bill Wendlinge26fffc2010-09-10 18:51:56 +0000479bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) {
Chris Lattner80ed9dc2011-06-18 06:05:24 +0000480 // Nothing to do yet.
Bill Wendlinge26fffc2010-09-10 18:51:56 +0000481 return false;
482}
483
Simon Pilgrimf7186822016-06-09 21:09:03 +0000484// Handles upgrading SSE2/AVX2/AVX512BW PSLLDQ intrinsics by converting them
Craig Topperb324e432015-02-18 06:24:44 +0000485// to byte shuffles.
Craig Topper46b34fe2016-07-12 01:42:33 +0000486static Value *UpgradeX86PSLLDQIntrinsics(IRBuilder<> &Builder,
Craig Topper7355ac32016-05-29 06:37:33 +0000487 Value *Op, unsigned Shift) {
488 Type *ResultTy = Op->getType();
489 unsigned NumElts = ResultTy->getVectorNumElements() * 8;
Craig Topperb324e432015-02-18 06:24:44 +0000490
491 // Bitcast from a 64-bit element type to a byte element type.
Craig Topper46b34fe2016-07-12 01:42:33 +0000492 Type *VecTy = VectorType::get(Builder.getInt8Ty(), NumElts);
Craig Topper7355ac32016-05-29 06:37:33 +0000493 Op = Builder.CreateBitCast(Op, VecTy, "cast");
494
Craig Topperb324e432015-02-18 06:24:44 +0000495 // We'll be shuffling in zeroes.
Craig Topper7355ac32016-05-29 06:37:33 +0000496 Value *Res = Constant::getNullValue(VecTy);
Craig Topperb324e432015-02-18 06:24:44 +0000497
498 // If shift is less than 16, emit a shuffle to move the bytes. Otherwise,
499 // we'll just return the zero vector.
500 if (Shift < 16) {
Craig Topper99d1eab2016-06-12 00:41:19 +0000501 uint32_t Idxs[64];
Simon Pilgrimf7186822016-06-09 21:09:03 +0000502 // 256/512-bit version is split into 2/4 16-byte lanes.
Craig Topperb324e432015-02-18 06:24:44 +0000503 for (unsigned l = 0; l != NumElts; l += 16)
504 for (unsigned i = 0; i != 16; ++i) {
505 unsigned Idx = NumElts + i - Shift;
506 if (Idx < NumElts)
507 Idx -= NumElts - 16; // end of lane, switch operand.
Craig Topper7355ac32016-05-29 06:37:33 +0000508 Idxs[l + i] = Idx + l;
Craig Topperb324e432015-02-18 06:24:44 +0000509 }
510
Craig Topper7355ac32016-05-29 06:37:33 +0000511 Res = Builder.CreateShuffleVector(Res, Op, makeArrayRef(Idxs, NumElts));
Craig Topperb324e432015-02-18 06:24:44 +0000512 }
513
514 // Bitcast back to a 64-bit element type.
Craig Topper7355ac32016-05-29 06:37:33 +0000515 return Builder.CreateBitCast(Res, ResultTy, "cast");
Craig Topperb324e432015-02-18 06:24:44 +0000516}
517
Craig Topperea703ae2016-06-13 02:36:42 +0000518// Handles upgrading SSE2/AVX2/AVX512BW PSRLDQ intrinsics by converting them
519// to byte shuffles.
Craig Topper46b34fe2016-07-12 01:42:33 +0000520static Value *UpgradeX86PSRLDQIntrinsics(IRBuilder<> &Builder, Value *Op,
Craig Topperea703ae2016-06-13 02:36:42 +0000521 unsigned Shift) {
522 Type *ResultTy = Op->getType();
523 unsigned NumElts = ResultTy->getVectorNumElements() * 8;
524
525 // Bitcast from a 64-bit element type to a byte element type.
Craig Topper46b34fe2016-07-12 01:42:33 +0000526 Type *VecTy = VectorType::get(Builder.getInt8Ty(), NumElts);
Craig Topperea703ae2016-06-13 02:36:42 +0000527 Op = Builder.CreateBitCast(Op, VecTy, "cast");
528
529 // We'll be shuffling in zeroes.
530 Value *Res = Constant::getNullValue(VecTy);
531
532 // If shift is less than 16, emit a shuffle to move the bytes. Otherwise,
533 // we'll just return the zero vector.
534 if (Shift < 16) {
535 uint32_t Idxs[64];
536 // 256/512-bit version is split into 2/4 16-byte lanes.
537 for (unsigned l = 0; l != NumElts; l += 16)
538 for (unsigned i = 0; i != 16; ++i) {
539 unsigned Idx = i + Shift;
540 if (Idx >= 16)
541 Idx += NumElts - 16; // end of lane, switch operand.
542 Idxs[l + i] = Idx + l;
543 }
544
545 Res = Builder.CreateShuffleVector(Op, Res, makeArrayRef(Idxs, NumElts));
546 }
547
548 // Bitcast back to a 64-bit element type.
549 return Builder.CreateBitCast(Res, ResultTy, "cast");
550}
551
552static Value *getX86MaskVec(IRBuilder<> &Builder, Value *Mask,
553 unsigned NumElts) {
554 llvm::VectorType *MaskTy = llvm::VectorType::get(Builder.getInt1Ty(),
555 cast<IntegerType>(Mask->getType())->getBitWidth());
556 Mask = Builder.CreateBitCast(Mask, MaskTy);
557
558 // If we have less than 8 elements, then the starting mask was an i8 and
559 // we need to extract down to the right number of elements.
560 if (NumElts < 8) {
561 uint32_t Indices[4];
562 for (unsigned i = 0; i != NumElts; ++i)
563 Indices[i] = i;
564 Mask = Builder.CreateShuffleVector(Mask, Mask,
565 makeArrayRef(Indices, NumElts),
566 "extract");
567 }
568
569 return Mask;
570}
571
572static Value *EmitX86Select(IRBuilder<> &Builder, Value *Mask,
573 Value *Op0, Value *Op1) {
574 // If the mask is all ones just emit the align operation.
575 if (const auto *C = dyn_cast<Constant>(Mask))
576 if (C->isAllOnesValue())
577 return Op0;
578
579 Mask = getX86MaskVec(Builder, Mask, Op0->getType()->getVectorNumElements());
580 return Builder.CreateSelect(Mask, Op0, Op1);
581}
582
Craig Topper46b34fe2016-07-12 01:42:33 +0000583static Value *UpgradeX86PALIGNRIntrinsics(IRBuilder<> &Builder,
Craig Topper33350cc2016-06-06 06:12:54 +0000584 Value *Op0, Value *Op1, Value *Shift,
585 Value *Passthru, Value *Mask) {
586 unsigned ShiftVal = cast<llvm::ConstantInt>(Shift)->getZExtValue();
587
588 unsigned NumElts = Op0->getType()->getVectorNumElements();
589 assert(NumElts % 16 == 0);
590
591 // If palignr is shifting the pair of vectors more than the size of two
592 // lanes, emit zero.
593 if (ShiftVal >= 32)
594 return llvm::Constant::getNullValue(Op0->getType());
595
596 // If palignr is shifting the pair of input vectors more than one lane,
597 // but less than two lanes, convert to shifting in zeroes.
598 if (ShiftVal > 16) {
599 ShiftVal -= 16;
600 Op1 = Op0;
601 Op0 = llvm::Constant::getNullValue(Op0->getType());
602 }
603
Craig Topper99d1eab2016-06-12 00:41:19 +0000604 uint32_t Indices[64];
Craig Topper33350cc2016-06-06 06:12:54 +0000605 // 256-bit palignr operates on 128-bit lanes so we need to handle that
606 for (unsigned l = 0; l != NumElts; l += 16) {
607 for (unsigned i = 0; i != 16; ++i) {
608 unsigned Idx = ShiftVal + i;
609 if (Idx >= 16)
610 Idx += NumElts - 16; // End of lane, switch operand.
611 Indices[l + i] = Idx + l;
612 }
613 }
614
615 Value *Align = Builder.CreateShuffleVector(Op1, Op0,
616 makeArrayRef(Indices, NumElts),
617 "palignr");
618
Craig Topperea703ae2016-06-13 02:36:42 +0000619 return EmitX86Select(Builder, Mask, Align, Passthru);
Craig Topperb324e432015-02-18 06:24:44 +0000620}
621
Craig Topper46b34fe2016-07-12 01:42:33 +0000622static Value *UpgradeMaskedStore(IRBuilder<> &Builder,
Craig Topper50f85c22016-05-31 01:50:02 +0000623 Value *Ptr, Value *Data, Value *Mask,
624 bool Aligned) {
625 // Cast the pointer to the right type.
626 Ptr = Builder.CreateBitCast(Ptr,
627 llvm::PointerType::getUnqual(Data->getType()));
628 unsigned Align =
629 Aligned ? cast<VectorType>(Data->getType())->getBitWidth() / 8 : 1;
630
631 // If the mask is all ones just emit a regular store.
632 if (const auto *C = dyn_cast<Constant>(Mask))
633 if (C->isAllOnesValue())
634 return Builder.CreateAlignedStore(Data, Ptr, Align);
635
636 // Convert the mask from an integer type to a vector of i1.
637 unsigned NumElts = Data->getType()->getVectorNumElements();
Craig Topperea703ae2016-06-13 02:36:42 +0000638 Mask = getX86MaskVec(Builder, Mask, NumElts);
Craig Topper50f85c22016-05-31 01:50:02 +0000639 return Builder.CreateMaskedStore(Data, Ptr, Align, Mask);
640}
641
Craig Topper46b34fe2016-07-12 01:42:33 +0000642static Value *UpgradeMaskedLoad(IRBuilder<> &Builder,
Craig Topperf10fbfa2016-06-02 04:19:36 +0000643 Value *Ptr, Value *Passthru, Value *Mask,
644 bool Aligned) {
645 // Cast the pointer to the right type.
646 Ptr = Builder.CreateBitCast(Ptr,
647 llvm::PointerType::getUnqual(Passthru->getType()));
648 unsigned Align =
649 Aligned ? cast<VectorType>(Passthru->getType())->getBitWidth() / 8 : 1;
650
651 // If the mask is all ones just emit a regular store.
652 if (const auto *C = dyn_cast<Constant>(Mask))
653 if (C->isAllOnesValue())
654 return Builder.CreateAlignedLoad(Ptr, Align);
655
656 // Convert the mask from an integer type to a vector of i1.
657 unsigned NumElts = Passthru->getType()->getVectorNumElements();
Craig Topperea703ae2016-06-13 02:36:42 +0000658 Mask = getX86MaskVec(Builder, Mask, NumElts);
Craig Topperf10fbfa2016-06-02 04:19:36 +0000659 return Builder.CreateMaskedLoad(Ptr, Align, Mask, Passthru);
660}
661
Sanjay Patel51ab7572016-06-16 15:48:30 +0000662static Value *upgradeIntMinMax(IRBuilder<> &Builder, CallInst &CI,
663 ICmpInst::Predicate Pred) {
664 Value *Op0 = CI.getArgOperand(0);
665 Value *Op1 = CI.getArgOperand(1);
666 Value *Cmp = Builder.CreateICmp(Pred, Op0, Op1);
Craig Topper8ec5c732016-10-24 04:04:16 +0000667 Value *Res = Builder.CreateSelect(Cmp, Op0, Op1);
668
669 if (CI.getNumArgOperands() == 4)
670 Res = EmitX86Select(Builder, CI.getArgOperand(3), Res, CI.getArgOperand(2));
671
672 return Res;
Sanjay Patel51ab7572016-06-16 15:48:30 +0000673}
674
Craig Topper0a0fb0f2016-06-21 03:53:24 +0000675static Value *upgradeMaskedCompare(IRBuilder<> &Builder, CallInst &CI,
676 ICmpInst::Predicate Pred) {
677 Value *Op0 = CI.getArgOperand(0);
678 unsigned NumElts = Op0->getType()->getVectorNumElements();
679 Value *Cmp = Builder.CreateICmp(Pred, Op0, CI.getArgOperand(1));
680
681 Value *Mask = CI.getArgOperand(2);
682 const auto *C = dyn_cast<Constant>(Mask);
683 if (!C || !C->isAllOnesValue())
684 Cmp = Builder.CreateAnd(Cmp, getX86MaskVec(Builder, Mask, NumElts));
685
686 if (NumElts < 8) {
687 uint32_t Indices[8];
688 for (unsigned i = 0; i != NumElts; ++i)
689 Indices[i] = i;
690 for (unsigned i = NumElts; i != 8; ++i)
Craig Topperd5d2a352016-07-07 06:11:07 +0000691 Indices[i] = NumElts + i % NumElts;
692 Cmp = Builder.CreateShuffleVector(Cmp,
693 Constant::getNullValue(Cmp->getType()),
Craig Topper0a0fb0f2016-06-21 03:53:24 +0000694 Indices);
695 }
696 return Builder.CreateBitCast(Cmp, IntegerType::get(CI.getContext(),
697 std::max(NumElts, 8U)));
698}
699
Craig Topperc9467ed2016-11-06 16:29:08 +0000700// Replace a masked intrinsic with an older unmasked intrinsic.
701static Value *UpgradeX86MaskedShift(IRBuilder<> &Builder, CallInst &CI,
702 Intrinsic::ID IID) {
703 Function *F = CI.getCalledFunction();
704 Function *Intrin = Intrinsic::getDeclaration(F->getParent(), IID);
705 Value *Rep = Builder.CreateCall(Intrin,
706 { CI.getArgOperand(0), CI.getArgOperand(1) });
707 return EmitX86Select(Builder, CI.getArgOperand(3), Rep, CI.getArgOperand(2));
708}
709
Ayman Musa4d602432016-11-16 09:00:28 +0000710static Value* upgradeMaskedMove(IRBuilder<> &Builder, CallInst &CI) {
711 Value* A = CI.getArgOperand(0);
712 Value* B = CI.getArgOperand(1);
713 Value* Src = CI.getArgOperand(2);
714 Value* Mask = CI.getArgOperand(3);
715
716 Value* AndNode = Builder.CreateAnd(Mask, APInt(8, 1));
717 Value* Cmp = Builder.CreateIsNotNull(AndNode);
718 Value* Extract1 = Builder.CreateExtractElement(B, (uint64_t)0);
719 Value* Extract2 = Builder.CreateExtractElement(Src, (uint64_t)0);
720 Value* Select = Builder.CreateSelect(Cmp, Extract1, Extract2);
721 return Builder.CreateInsertElement(A, Select, (uint64_t)0);
722}
Craig Topperc9467ed2016-11-06 16:29:08 +0000723
Sanjay Patel595098f2016-06-15 22:01:28 +0000724/// Upgrade a call to an old intrinsic. All argument and return casting must be
725/// provided to seamlessly integrate with existing context.
Chandler Carruth7132e002007-08-04 01:51:18 +0000726void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Craig Topper3b1817d2012-02-03 06:10:55 +0000727 Function *F = CI->getCalledFunction();
Nick Lewycky2eb3ade2011-12-12 22:59:34 +0000728 LLVMContext &C = CI->getContext();
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000729 IRBuilder<> Builder(C);
Duncan P. N. Exon Smith52888a62015-10-08 23:49:46 +0000730 Builder.SetInsertPoint(CI->getParent(), CI->getIterator());
Chandler Carruth58a71ed2011-12-12 04:26:04 +0000731
Craig Topper3b1817d2012-02-03 06:10:55 +0000732 assert(F && "Intrinsic call is not direct?");
733
734 if (!NewFn) {
735 // Get the Function's name.
736 StringRef Name = F->getName();
737
Craig Topper5aebb862016-07-04 20:56:38 +0000738 assert(Name.startswith("llvm.") && "Intrinsic doesn't start with 'llvm.'");
739 Name = Name.substr(5);
740
741 bool IsX86 = Name.startswith("x86.");
742 if (IsX86)
743 Name = Name.substr(4);
744
Craig Topper3b1817d2012-02-03 06:10:55 +0000745 Value *Rep;
Sanjay Patel595098f2016-06-15 22:01:28 +0000746 // Upgrade packed integer vector compare intrinsics to compare instructions.
Craig Topper5aebb862016-07-04 20:56:38 +0000747 if (IsX86 && (Name.startswith("sse2.pcmpeq.") ||
748 Name.startswith("avx2.pcmpeq."))) {
Craig Topper3b1817d2012-02-03 06:10:55 +0000749 Rep = Builder.CreateICmpEQ(CI->getArgOperand(0), CI->getArgOperand(1),
750 "pcmpeq");
Craig Topper3b1817d2012-02-03 06:10:55 +0000751 Rep = Builder.CreateSExt(Rep, CI->getType(), "");
Craig Topper5aebb862016-07-04 20:56:38 +0000752 } else if (IsX86 && (Name.startswith("sse2.pcmpgt.") ||
753 Name.startswith("avx2.pcmpgt."))) {
Craig Topper3b1817d2012-02-03 06:10:55 +0000754 Rep = Builder.CreateICmpSGT(CI->getArgOperand(0), CI->getArgOperand(1),
755 "pcmpgt");
Craig Topper3b1817d2012-02-03 06:10:55 +0000756 Rep = Builder.CreateSExt(Rep, CI->getType(), "");
Craig Topper6910fa02016-11-16 05:24:10 +0000757 } else if (IsX86 && (Name == "sse.add.ss" || Name == "sse2.add.sd")) {
758 Type *I32Ty = Type::getInt32Ty(C);
759 Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
760 ConstantInt::get(I32Ty, 0));
761 Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
762 ConstantInt::get(I32Ty, 0));
763 Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
764 Builder.CreateFAdd(Elt0, Elt1),
765 ConstantInt::get(I32Ty, 0));
766 } else if (IsX86 && (Name == "sse.sub.ss" || Name == "sse2.sub.sd")) {
767 Type *I32Ty = Type::getInt32Ty(C);
768 Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
769 ConstantInt::get(I32Ty, 0));
770 Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
771 ConstantInt::get(I32Ty, 0));
772 Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
773 Builder.CreateFSub(Elt0, Elt1),
774 ConstantInt::get(I32Ty, 0));
775 } else if (IsX86 && (Name == "sse.mul.ss" || Name == "sse2.mul.sd")) {
776 Type *I32Ty = Type::getInt32Ty(C);
777 Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
778 ConstantInt::get(I32Ty, 0));
779 Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
780 ConstantInt::get(I32Ty, 0));
781 Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
782 Builder.CreateFMul(Elt0, Elt1),
783 ConstantInt::get(I32Ty, 0));
784 } else if (IsX86 && (Name == "sse.div.ss" || Name == "sse2.div.sd")) {
785 Type *I32Ty = Type::getInt32Ty(C);
786 Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
787 ConstantInt::get(I32Ty, 0));
788 Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
789 ConstantInt::get(I32Ty, 0));
790 Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
791 Builder.CreateFDiv(Elt0, Elt1),
792 ConstantInt::get(I32Ty, 0));
Craig Topper5aebb862016-07-04 20:56:38 +0000793 } else if (IsX86 && Name.startswith("avx512.mask.pcmpeq.")) {
Craig Topper0a0fb0f2016-06-21 03:53:24 +0000794 Rep = upgradeMaskedCompare(Builder, *CI, ICmpInst::ICMP_EQ);
Craig Topper5aebb862016-07-04 20:56:38 +0000795 } else if (IsX86 && Name.startswith("avx512.mask.pcmpgt.")) {
Craig Topper0a0fb0f2016-06-21 03:53:24 +0000796 Rep = upgradeMaskedCompare(Builder, *CI, ICmpInst::ICMP_SGT);
Craig Topper5aebb862016-07-04 20:56:38 +0000797 } else if (IsX86 && (Name == "sse41.pmaxsb" ||
798 Name == "sse2.pmaxs.w" ||
799 Name == "sse41.pmaxsd" ||
Craig Topper8ec5c732016-10-24 04:04:16 +0000800 Name.startswith("avx2.pmaxs") ||
801 Name.startswith("avx512.mask.pmaxs"))) {
Sanjay Patel51ab7572016-06-16 15:48:30 +0000802 Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_SGT);
Craig Topper5aebb862016-07-04 20:56:38 +0000803 } else if (IsX86 && (Name == "sse2.pmaxu.b" ||
804 Name == "sse41.pmaxuw" ||
805 Name == "sse41.pmaxud" ||
Craig Topper8ec5c732016-10-24 04:04:16 +0000806 Name.startswith("avx2.pmaxu") ||
807 Name.startswith("avx512.mask.pmaxu"))) {
Sanjay Patel51ab7572016-06-16 15:48:30 +0000808 Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_UGT);
Craig Topper5aebb862016-07-04 20:56:38 +0000809 } else if (IsX86 && (Name == "sse41.pminsb" ||
810 Name == "sse2.pmins.w" ||
811 Name == "sse41.pminsd" ||
Craig Topper8ec5c732016-10-24 04:04:16 +0000812 Name.startswith("avx2.pmins") ||
813 Name.startswith("avx512.mask.pmins"))) {
Sanjay Patel51ab7572016-06-16 15:48:30 +0000814 Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_SLT);
Craig Topper5aebb862016-07-04 20:56:38 +0000815 } else if (IsX86 && (Name == "sse2.pminu.b" ||
816 Name == "sse41.pminuw" ||
817 Name == "sse41.pminud" ||
Craig Topper8ec5c732016-10-24 04:04:16 +0000818 Name.startswith("avx2.pminu") ||
819 Name.startswith("avx512.mask.pminu"))) {
Sanjay Patel51ab7572016-06-16 15:48:30 +0000820 Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_ULT);
Craig Topper5aebb862016-07-04 20:56:38 +0000821 } else if (IsX86 && (Name == "sse2.cvtdq2pd" ||
822 Name == "sse2.cvtps2pd" ||
823 Name == "avx.cvtdq2.pd.256" ||
824 Name == "avx.cvt.ps2.pd.256")) {
Simon Pilgrim4298d062016-05-25 08:59:18 +0000825 // Lossless i32/float to double conversion.
826 // Extract the bottom elements if necessary and convert to double vector.
827 Value *Src = CI->getArgOperand(0);
828 VectorType *SrcTy = cast<VectorType>(Src->getType());
829 VectorType *DstTy = cast<VectorType>(CI->getType());
830 Rep = CI->getArgOperand(0);
831
832 unsigned NumDstElts = DstTy->getNumElements();
833 if (NumDstElts < SrcTy->getNumElements()) {
834 assert(NumDstElts == 2 && "Unexpected vector size");
Craig Topper99d1eab2016-06-12 00:41:19 +0000835 uint32_t ShuffleMask[2] = { 0, 1 };
836 Rep = Builder.CreateShuffleVector(Rep, UndefValue::get(SrcTy),
837 ShuffleMask);
Simon Pilgrim4298d062016-05-25 08:59:18 +0000838 }
839
840 bool Int2Double = (StringRef::npos != Name.find("cvtdq2"));
841 if (Int2Double)
842 Rep = Builder.CreateSIToFP(Rep, DstTy, "cvtdq2pd");
843 else
844 Rep = Builder.CreateFPExt(Rep, DstTy, "cvtps2pd");
Craig Topper5aebb862016-07-04 20:56:38 +0000845 } else if (IsX86 && Name.startswith("sse4a.movnt.")) {
Simon Pilgrimf4b2af12016-06-18 02:38:26 +0000846 Module *M = F->getParent();
847 SmallVector<Metadata *, 1> Elts;
848 Elts.push_back(
849 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1)));
850 MDNode *Node = MDNode::get(C, Elts);
851
852 Value *Arg0 = CI->getArgOperand(0);
853 Value *Arg1 = CI->getArgOperand(1);
854
855 // Nontemporal (unaligned) store of the 0'th element of the float/double
856 // vector.
857 Type *SrcEltTy = cast<VectorType>(Arg1->getType())->getElementType();
858 PointerType *EltPtrTy = PointerType::getUnqual(SrcEltTy);
859 Value *Addr = Builder.CreateBitCast(Arg0, EltPtrTy, "cast");
860 Value *Extract =
861 Builder.CreateExtractElement(Arg1, (uint64_t)0, "extractelement");
862
863 StoreInst *SI = Builder.CreateAlignedStore(Extract, Addr, 1);
864 SI->setMetadata(M->getMDKindID("nontemporal"), Node);
865
866 // Remove intrinsic.
867 CI->eraseFromParent();
868 return;
Craig Topper70610cf2016-07-09 04:38:27 +0000869 } else if (IsX86 && (Name.startswith("avx.movnt.") ||
870 Name.startswith("avx512.storent."))) {
Craig Topper7daf8972012-05-08 06:58:15 +0000871 Module *M = F->getParent();
Duncan P. N. Exon Smith5bf8fef2014-12-09 18:38:53 +0000872 SmallVector<Metadata *, 1> Elts;
873 Elts.push_back(
874 ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1)));
Craig Topper7daf8972012-05-08 06:58:15 +0000875 MDNode *Node = MDNode::get(C, Elts);
876
877 Value *Arg0 = CI->getArgOperand(0);
878 Value *Arg1 = CI->getArgOperand(1);
879
880 // Convert the type of the pointer to a pointer to the stored type.
881 Value *BC = Builder.CreateBitCast(Arg0,
882 PointerType::getUnqual(Arg1->getType()),
883 "cast");
Craig Topper70610cf2016-07-09 04:38:27 +0000884 VectorType *VTy = cast<VectorType>(Arg1->getType());
885 StoreInst *SI = Builder.CreateAlignedStore(Arg1, BC,
886 VTy->getBitWidth() / 8);
Craig Topper7daf8972012-05-08 06:58:15 +0000887 SI->setMetadata(M->getMDKindID("nontemporal"), Node);
Craig Topper7daf8972012-05-08 06:58:15 +0000888
889 // Remove intrinsic.
890 CI->eraseFromParent();
891 return;
Craig Topper5aebb862016-07-04 20:56:38 +0000892 } else if (IsX86 && Name == "sse2.storel.dq") {
Craig Topper12e322a2016-05-25 06:56:32 +0000893 Value *Arg0 = CI->getArgOperand(0);
894 Value *Arg1 = CI->getArgOperand(1);
895
896 Type *NewVecTy = VectorType::get(Type::getInt64Ty(C), 2);
897 Value *BC0 = Builder.CreateBitCast(Arg1, NewVecTy, "cast");
898 Value *Elt = Builder.CreateExtractElement(BC0, (uint64_t)0);
899 Value *BC = Builder.CreateBitCast(Arg0,
900 PointerType::getUnqual(Elt->getType()),
901 "cast");
Craig Topper29ce55d2016-05-30 22:54:12 +0000902 Builder.CreateAlignedStore(Elt, BC, 1);
Craig Topper12e322a2016-05-25 06:56:32 +0000903
904 // Remove intrinsic.
905 CI->eraseFromParent();
906 return;
Craig Topper5aebb862016-07-04 20:56:38 +0000907 } else if (IsX86 && (Name.startswith("sse.storeu.") ||
908 Name.startswith("sse2.storeu.") ||
909 Name.startswith("avx.storeu."))) {
Craig Topper8287fd82016-05-30 23:15:56 +0000910 Value *Arg0 = CI->getArgOperand(0);
911 Value *Arg1 = CI->getArgOperand(1);
912
913 Arg0 = Builder.CreateBitCast(Arg0,
914 PointerType::getUnqual(Arg1->getType()),
915 "cast");
916 Builder.CreateAlignedStore(Arg1, Arg0, 1);
917
918 // Remove intrinsic.
919 CI->eraseFromParent();
920 return;
Craig Toppera57d2ca2016-09-03 23:55:13 +0000921 } else if (IsX86 && (Name.startswith("avx512.mask.storeu."))) {
Craig Topper46b34fe2016-07-12 01:42:33 +0000922 UpgradeMaskedStore(Builder, CI->getArgOperand(0), CI->getArgOperand(1),
Craig Topper50f85c22016-05-31 01:50:02 +0000923 CI->getArgOperand(2), /*Aligned*/false);
924
925 // Remove intrinsic.
926 CI->eraseFromParent();
927 return;
Craig Toppera57d2ca2016-09-03 23:55:13 +0000928 } else if (IsX86 && (Name.startswith("avx512.mask.store."))) {
Craig Topper46b34fe2016-07-12 01:42:33 +0000929 UpgradeMaskedStore(Builder, CI->getArgOperand(0), CI->getArgOperand(1),
Craig Topper50f85c22016-05-31 01:50:02 +0000930 CI->getArgOperand(2), /*Aligned*/true);
931
932 // Remove intrinsic.
933 CI->eraseFromParent();
934 return;
Craig Toppera57d2ca2016-09-03 23:55:13 +0000935 } else if (IsX86 && (Name.startswith("avx512.mask.loadu."))) {
Craig Topper46b34fe2016-07-12 01:42:33 +0000936 Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0),
Craig Topperf10fbfa2016-06-02 04:19:36 +0000937 CI->getArgOperand(1), CI->getArgOperand(2),
938 /*Aligned*/false);
Craig Toppera57d2ca2016-09-03 23:55:13 +0000939 } else if (IsX86 && (Name.startswith("avx512.mask.load."))) {
Craig Topper46b34fe2016-07-12 01:42:33 +0000940 Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0),
Craig Topperf10fbfa2016-06-02 04:19:36 +0000941 CI->getArgOperand(1),CI->getArgOperand(2),
942 /*Aligned*/true);
Craig Topper5aebb862016-07-04 20:56:38 +0000943 } else if (IsX86 && Name.startswith("xop.vpcom")) {
Craig Topper3352ba52012-06-09 16:46:13 +0000944 Intrinsic::ID intID;
945 if (Name.endswith("ub"))
946 intID = Intrinsic::x86_xop_vpcomub;
947 else if (Name.endswith("uw"))
948 intID = Intrinsic::x86_xop_vpcomuw;
949 else if (Name.endswith("ud"))
950 intID = Intrinsic::x86_xop_vpcomud;
951 else if (Name.endswith("uq"))
952 intID = Intrinsic::x86_xop_vpcomuq;
953 else if (Name.endswith("b"))
954 intID = Intrinsic::x86_xop_vpcomb;
955 else if (Name.endswith("w"))
956 intID = Intrinsic::x86_xop_vpcomw;
957 else if (Name.endswith("d"))
958 intID = Intrinsic::x86_xop_vpcomd;
959 else if (Name.endswith("q"))
960 intID = Intrinsic::x86_xop_vpcomq;
961 else
962 llvm_unreachable("Unknown suffix");
963
Craig Topper5aebb862016-07-04 20:56:38 +0000964 Name = Name.substr(9); // strip off "xop.vpcom"
Craig Topper3352ba52012-06-09 16:46:13 +0000965 unsigned Imm;
966 if (Name.startswith("lt"))
967 Imm = 0;
968 else if (Name.startswith("le"))
969 Imm = 1;
970 else if (Name.startswith("gt"))
971 Imm = 2;
972 else if (Name.startswith("ge"))
973 Imm = 3;
974 else if (Name.startswith("eq"))
975 Imm = 4;
976 else if (Name.startswith("ne"))
977 Imm = 5;
Craig Topper3352ba52012-06-09 16:46:13 +0000978 else if (Name.startswith("false"))
Craig Toppere32546d2015-02-13 07:42:15 +0000979 Imm = 6;
980 else if (Name.startswith("true"))
Craig Topper3352ba52012-06-09 16:46:13 +0000981 Imm = 7;
982 else
983 llvm_unreachable("Unknown condition");
984
985 Function *VPCOM = Intrinsic::getDeclaration(F->getParent(), intID);
David Blaikieff6409d2015-05-18 22:13:54 +0000986 Rep =
987 Builder.CreateCall(VPCOM, {CI->getArgOperand(0), CI->getArgOperand(1),
988 Builder.getInt8(Imm)});
Craig Topper5aebb862016-07-04 20:56:38 +0000989 } else if (IsX86 && Name == "xop.vpcmov") {
Simon Pilgrime88dc042015-11-03 20:27:01 +0000990 Value *Arg0 = CI->getArgOperand(0);
991 Value *Arg1 = CI->getArgOperand(1);
992 Value *Sel = CI->getArgOperand(2);
993 unsigned NumElts = CI->getType()->getVectorNumElements();
994 Constant *MinusOne = ConstantVector::getSplat(NumElts, Builder.getInt64(-1));
995 Value *NotSel = Builder.CreateXor(Sel, MinusOne);
996 Value *Sel0 = Builder.CreateAnd(Arg0, Sel);
997 Value *Sel1 = Builder.CreateAnd(Arg1, NotSel);
998 Rep = Builder.CreateOr(Sel0, Sel1);
Craig Topper5aebb862016-07-04 20:56:38 +0000999 } else if (IsX86 && Name == "sse42.crc32.64.8") {
Craig Topperef9e9932013-10-15 05:20:47 +00001000 Function *CRC32 = Intrinsic::getDeclaration(F->getParent(),
1001 Intrinsic::x86_sse42_crc32_32_8);
1002 Value *Trunc0 = Builder.CreateTrunc(CI->getArgOperand(0), Type::getInt32Ty(C));
David Blaikieff6409d2015-05-18 22:13:54 +00001003 Rep = Builder.CreateCall(CRC32, {Trunc0, CI->getArgOperand(1)});
Craig Topperef9e9932013-10-15 05:20:47 +00001004 Rep = Builder.CreateZExt(Rep, CI->getType(), "");
Simon Pilgrimea0d4f92016-07-22 13:58:44 +00001005 } else if (IsX86 && Name.startswith("avx.vbroadcast.s")) {
Adam Nemet39066802014-05-29 23:35:33 +00001006 // Replace broadcasts with a series of insertelements.
1007 Type *VecTy = CI->getType();
1008 Type *EltTy = VecTy->getVectorElementType();
1009 unsigned EltNum = VecTy->getVectorNumElements();
1010 Value *Cast = Builder.CreateBitCast(CI->getArgOperand(0),
1011 EltTy->getPointerTo());
David Blaikie0c28fd72015-05-20 21:46:30 +00001012 Value *Load = Builder.CreateLoad(EltTy, Cast);
Adam Nemet39066802014-05-29 23:35:33 +00001013 Type *I32Ty = Type::getInt32Ty(C);
1014 Rep = UndefValue::get(VecTy);
1015 for (unsigned I = 0; I < EltNum; ++I)
1016 Rep = Builder.CreateInsertElement(Rep, Load,
1017 ConstantInt::get(I32Ty, I));
Craig Topper5aebb862016-07-04 20:56:38 +00001018 } else if (IsX86 && (Name.startswith("sse41.pmovsx") ||
1019 Name.startswith("sse41.pmovzx") ||
1020 Name.startswith("avx2.pmovsx") ||
Craig Topperb110e042016-11-07 02:12:57 +00001021 Name.startswith("avx2.pmovzx") ||
1022 Name.startswith("avx512.mask.pmovsx") ||
1023 Name.startswith("avx512.mask.pmovzx"))) {
Simon Pilgrim9cb018b2015-09-23 08:48:33 +00001024 VectorType *SrcTy = cast<VectorType>(CI->getArgOperand(0)->getType());
1025 VectorType *DstTy = cast<VectorType>(CI->getType());
1026 unsigned NumDstElts = DstTy->getNumElements();
1027
Simon Pilgrim9602d672016-05-28 18:03:41 +00001028 // Extract a subvector of the first NumDstElts lanes and sign/zero extend.
Craig Topperc0a5fa02016-06-12 04:48:00 +00001029 SmallVector<uint32_t, 8> ShuffleMask(NumDstElts);
Craig Topper99d1eab2016-06-12 00:41:19 +00001030 for (unsigned i = 0; i != NumDstElts; ++i)
Craig Topperc0a5fa02016-06-12 04:48:00 +00001031 ShuffleMask[i] = i;
Simon Pilgrim9cb018b2015-09-23 08:48:33 +00001032
1033 Value *SV = Builder.CreateShuffleVector(
1034 CI->getArgOperand(0), UndefValue::get(SrcTy), ShuffleMask);
Simon Pilgrim9602d672016-05-28 18:03:41 +00001035
1036 bool DoSext = (StringRef::npos != Name.find("pmovsx"));
1037 Rep = DoSext ? Builder.CreateSExt(SV, DstTy)
1038 : Builder.CreateZExt(SV, DstTy);
Craig Topperb110e042016-11-07 02:12:57 +00001039 // If there are 3 arguments, it's a masked intrinsic so we need a select.
1040 if (CI->getNumArgOperands() == 3)
1041 Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
1042 CI->getArgOperand(1));
Simon Pilgrimea0d4f92016-07-22 13:58:44 +00001043 } else if (IsX86 && (Name.startswith("avx.vbroadcastf128") ||
1044 Name == "avx2.vbroadcasti128")) {
1045 // Replace vbroadcastf128/vbroadcasti128 with a vector load+shuffle.
1046 Type *EltTy = CI->getType()->getVectorElementType();
1047 unsigned NumSrcElts = 128 / EltTy->getPrimitiveSizeInBits();
1048 Type *VT = VectorType::get(EltTy, NumSrcElts);
David Blaikie0c28fd72015-05-20 21:46:30 +00001049 Value *Op = Builder.CreatePointerCast(CI->getArgOperand(0),
1050 PointerType::getUnqual(VT));
Chandler Carruth0215e762016-08-10 07:41:26 +00001051 Value *Load = Builder.CreateAlignedLoad(Op, 1);
Simon Pilgrimea0d4f92016-07-22 13:58:44 +00001052 if (NumSrcElts == 2)
1053 Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()),
1054 { 0, 1, 0, 1 });
1055 else
1056 Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()),
1057 { 0, 1, 2, 3, 0, 1, 2, 3 });
Craig Topper5aebb862016-07-04 20:56:38 +00001058 } else if (IsX86 && (Name.startswith("avx2.pbroadcast") ||
Simon Pilgrim4e96fbf2016-07-05 13:58:47 +00001059 Name.startswith("avx2.vbroadcast") ||
1060 Name.startswith("avx512.pbroadcast") ||
1061 Name.startswith("avx512.mask.broadcast.s"))) {
Ahmed Bougacha1a4987052015-08-20 20:36:19 +00001062 // Replace vp?broadcasts with a vector shuffle.
1063 Value *Op = CI->getArgOperand(0);
1064 unsigned NumElts = CI->getType()->getVectorNumElements();
1065 Type *MaskTy = VectorType::get(Type::getInt32Ty(C), NumElts);
1066 Rep = Builder.CreateShuffleVector(Op, UndefValue::get(Op->getType()),
1067 Constant::getNullValue(MaskTy));
Simon Pilgrim4e96fbf2016-07-05 13:58:47 +00001068
1069 if (CI->getNumArgOperands() == 3)
1070 Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
1071 CI->getArgOperand(1));
Craig Topper5aebb862016-07-04 20:56:38 +00001072 } else if (IsX86 && Name.startswith("avx512.mask.palignr.")) {
Craig Topper46b34fe2016-07-12 01:42:33 +00001073 Rep = UpgradeX86PALIGNRIntrinsics(Builder, CI->getArgOperand(0),
Craig Topper33350cc2016-06-06 06:12:54 +00001074 CI->getArgOperand(1),
1075 CI->getArgOperand(2),
1076 CI->getArgOperand(3),
1077 CI->getArgOperand(4));
Craig Topper5aebb862016-07-04 20:56:38 +00001078 } else if (IsX86 && (Name == "sse2.psll.dq" ||
1079 Name == "avx2.psll.dq")) {
Craig Topper7355ac32016-05-29 06:37:33 +00001080 // 128/256-bit shift left specified in bits.
Craig Topperb324e432015-02-18 06:24:44 +00001081 unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
Craig Topper46b34fe2016-07-12 01:42:33 +00001082 Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0),
Craig Topperb324e432015-02-18 06:24:44 +00001083 Shift / 8); // Shift is in bits.
Craig Topper5aebb862016-07-04 20:56:38 +00001084 } else if (IsX86 && (Name == "sse2.psrl.dq" ||
1085 Name == "avx2.psrl.dq")) {
Craig Topper7355ac32016-05-29 06:37:33 +00001086 // 128/256-bit shift right specified in bits.
Craig Topperb324e432015-02-18 06:24:44 +00001087 unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
Craig Topper46b34fe2016-07-12 01:42:33 +00001088 Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0),
Craig Topperb324e432015-02-18 06:24:44 +00001089 Shift / 8); // Shift is in bits.
Craig Topper5aebb862016-07-04 20:56:38 +00001090 } else if (IsX86 && (Name == "sse2.psll.dq.bs" ||
1091 Name == "avx2.psll.dq.bs" ||
1092 Name == "avx512.psll.dq.512")) {
Simon Pilgrimf7186822016-06-09 21:09:03 +00001093 // 128/256/512-bit shift left specified in bytes.
Craig Topperb324e432015-02-18 06:24:44 +00001094 unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
Craig Topper46b34fe2016-07-12 01:42:33 +00001095 Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0), Shift);
Craig Topper5aebb862016-07-04 20:56:38 +00001096 } else if (IsX86 && (Name == "sse2.psrl.dq.bs" ||
1097 Name == "avx2.psrl.dq.bs" ||
1098 Name == "avx512.psrl.dq.512")) {
Simon Pilgrimf7186822016-06-09 21:09:03 +00001099 // 128/256/512-bit shift right specified in bytes.
Craig Topperb324e432015-02-18 06:24:44 +00001100 unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
Craig Topper46b34fe2016-07-12 01:42:33 +00001101 Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0), Shift);
Craig Topper5aebb862016-07-04 20:56:38 +00001102 } else if (IsX86 && (Name == "sse41.pblendw" ||
1103 Name.startswith("sse41.blendp") ||
1104 Name.startswith("avx.blend.p") ||
1105 Name == "avx2.pblendw" ||
1106 Name.startswith("avx2.pblendd."))) {
Craig Topper782d6202015-02-28 19:33:17 +00001107 Value *Op0 = CI->getArgOperand(0);
1108 Value *Op1 = CI->getArgOperand(1);
1109 unsigned Imm = cast <ConstantInt>(CI->getArgOperand(2))->getZExtValue();
1110 VectorType *VecTy = cast<VectorType>(CI->getType());
1111 unsigned NumElts = VecTy->getNumElements();
1112
Craig Topperc0a5fa02016-06-12 04:48:00 +00001113 SmallVector<uint32_t, 16> Idxs(NumElts);
1114 for (unsigned i = 0; i != NumElts; ++i)
1115 Idxs[i] = ((Imm >> (i%8)) & 1) ? i + NumElts : i;
Craig Topper782d6202015-02-28 19:33:17 +00001116
Craig Topper2f561822016-06-12 01:05:59 +00001117 Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
Craig Topper5aebb862016-07-04 20:56:38 +00001118 } else if (IsX86 && (Name.startswith("avx.vinsertf128.") ||
1119 Name == "avx2.vinserti128")) {
Sanjay Patel19792fb2015-03-10 16:08:36 +00001120 Value *Op0 = CI->getArgOperand(0);
1121 Value *Op1 = CI->getArgOperand(1);
1122 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
1123 VectorType *VecTy = cast<VectorType>(CI->getType());
1124 unsigned NumElts = VecTy->getNumElements();
Simon Pilgrim9cb018b2015-09-23 08:48:33 +00001125
Sanjay Patel19792fb2015-03-10 16:08:36 +00001126 // Mask off the high bits of the immediate value; hardware ignores those.
1127 Imm = Imm & 1;
Simon Pilgrim9cb018b2015-09-23 08:48:33 +00001128
Sanjay Patel19792fb2015-03-10 16:08:36 +00001129 // Extend the second operand into a vector that is twice as big.
1130 Value *UndefV = UndefValue::get(Op1->getType());
Craig Topperc0a5fa02016-06-12 04:48:00 +00001131 SmallVector<uint32_t, 8> Idxs(NumElts);
1132 for (unsigned i = 0; i != NumElts; ++i)
1133 Idxs[i] = i;
Craig Topper2f561822016-06-12 01:05:59 +00001134 Rep = Builder.CreateShuffleVector(Op1, UndefV, Idxs);
Sanjay Patel19792fb2015-03-10 16:08:36 +00001135
1136 // Insert the second operand into the first operand.
1137
1138 // Note that there is no guarantee that instruction lowering will actually
1139 // produce a vinsertf128 instruction for the created shuffles. In
1140 // particular, the 0 immediate case involves no lane changes, so it can
1141 // be handled as a blend.
1142
1143 // Example of shuffle mask for 32-bit elements:
1144 // Imm = 1 <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11>
1145 // Imm = 0 <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7 >
1146
Sanjay Patel19792fb2015-03-10 16:08:36 +00001147 // The low half of the result is either the low half of the 1st operand
1148 // or the low half of the 2nd operand (the inserted vector).
Craig Topperc0a5fa02016-06-12 04:48:00 +00001149 for (unsigned i = 0; i != NumElts / 2; ++i)
1150 Idxs[i] = Imm ? i : (i + NumElts);
Sanjay Patel19792fb2015-03-10 16:08:36 +00001151 // The high half of the result is either the low half of the 2nd operand
1152 // (the inserted vector) or the high half of the 1st operand.
Craig Topperc0a5fa02016-06-12 04:48:00 +00001153 for (unsigned i = NumElts / 2; i != NumElts; ++i)
1154 Idxs[i] = Imm ? (i + NumElts / 2) : i;
Craig Topper2f561822016-06-12 01:05:59 +00001155 Rep = Builder.CreateShuffleVector(Op0, Rep, Idxs);
Craig Topper5aebb862016-07-04 20:56:38 +00001156 } else if (IsX86 && (Name.startswith("avx.vextractf128.") ||
1157 Name == "avx2.vextracti128")) {
Sanjay Patelaf1846c2015-03-12 15:15:19 +00001158 Value *Op0 = CI->getArgOperand(0);
1159 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
1160 VectorType *VecTy = cast<VectorType>(CI->getType());
1161 unsigned NumElts = VecTy->getNumElements();
Simon Pilgrim9cb018b2015-09-23 08:48:33 +00001162
Sanjay Patelaf1846c2015-03-12 15:15:19 +00001163 // Mask off the high bits of the immediate value; hardware ignores those.
1164 Imm = Imm & 1;
1165
1166 // Get indexes for either the high half or low half of the input vector.
Craig Topper2f561822016-06-12 01:05:59 +00001167 SmallVector<uint32_t, 4> Idxs(NumElts);
Sanjay Patelaf1846c2015-03-12 15:15:19 +00001168 for (unsigned i = 0; i != NumElts; ++i) {
Craig Topper2f561822016-06-12 01:05:59 +00001169 Idxs[i] = Imm ? (i + NumElts) : i;
Sanjay Patelaf1846c2015-03-12 15:15:19 +00001170 }
1171
1172 Value *UndefV = UndefValue::get(Op0->getType());
Craig Topper2f561822016-06-12 01:05:59 +00001173 Rep = Builder.CreateShuffleVector(Op0, UndefV, Idxs);
Craig Topper5aebb862016-07-04 20:56:38 +00001174 } else if (!IsX86 && Name == "stackprotectorcheck") {
Tim Shen00127562016-04-08 21:26:31 +00001175 Rep = nullptr;
Craig Topper5aebb862016-07-04 20:56:38 +00001176 } else if (IsX86 && (Name.startswith("avx512.mask.perm.df.") ||
1177 Name.startswith("avx512.mask.perm.di."))) {
Simon Pilgrim02d435d2016-07-04 14:19:05 +00001178 Value *Op0 = CI->getArgOperand(0);
1179 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
1180 VectorType *VecTy = cast<VectorType>(CI->getType());
1181 unsigned NumElts = VecTy->getNumElements();
1182
1183 SmallVector<uint32_t, 8> Idxs(NumElts);
1184 for (unsigned i = 0; i != NumElts; ++i)
1185 Idxs[i] = (i & ~0x3) + ((Imm >> (2 * (i & 0x3))) & 3);
1186
1187 Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
1188
1189 if (CI->getNumArgOperands() == 4)
1190 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1191 CI->getArgOperand(2));
Craig Topper5aebb862016-07-04 20:56:38 +00001192 } else if (IsX86 && (Name.startswith("avx.vpermil.") ||
1193 Name == "sse2.pshuf.d" ||
1194 Name.startswith("avx512.mask.vpermil.p") ||
1195 Name.startswith("avx512.mask.pshuf.d."))) {
Craig Topper8a105052016-06-12 03:10:47 +00001196 Value *Op0 = CI->getArgOperand(0);
1197 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
1198 VectorType *VecTy = cast<VectorType>(CI->getType());
1199 unsigned NumElts = VecTy->getNumElements();
Simon Pilgrim9fca3002016-07-04 12:40:54 +00001200 // Calculate the size of each index in the immediate.
Craig Topper8a105052016-06-12 03:10:47 +00001201 unsigned IdxSize = 64 / VecTy->getScalarSizeInBits();
1202 unsigned IdxMask = ((1 << IdxSize) - 1);
1203
1204 SmallVector<uint32_t, 8> Idxs(NumElts);
1205 // Lookup the bits for this element, wrapping around the immediate every
1206 // 8-bits. Elements are grouped into sets of 2 or 4 elements so we need
1207 // to offset by the first index of each group.
1208 for (unsigned i = 0; i != NumElts; ++i)
1209 Idxs[i] = ((Imm >> ((i * IdxSize) % 8)) & IdxMask) | (i & ~IdxMask);
1210
1211 Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
Craig Topper13cf7ca2016-06-13 02:36:48 +00001212
1213 if (CI->getNumArgOperands() == 4)
1214 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1215 CI->getArgOperand(2));
Craig Topper5aebb862016-07-04 20:56:38 +00001216 } else if (IsX86 && (Name == "sse2.pshufl.w" ||
1217 Name.startswith("avx512.mask.pshufl.w."))) {
Craig Topper10679862016-06-12 14:11:32 +00001218 Value *Op0 = CI->getArgOperand(0);
1219 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
1220 unsigned NumElts = CI->getType()->getVectorNumElements();
1221
1222 SmallVector<uint32_t, 16> Idxs(NumElts);
1223 for (unsigned l = 0; l != NumElts; l += 8) {
1224 for (unsigned i = 0; i != 4; ++i)
1225 Idxs[i + l] = ((Imm >> (2 * i)) & 0x3) + l;
1226 for (unsigned i = 4; i != 8; ++i)
1227 Idxs[i + l] = i + l;
1228 }
1229
1230 Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
Craig Topper13cf7ca2016-06-13 02:36:48 +00001231
1232 if (CI->getNumArgOperands() == 4)
1233 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1234 CI->getArgOperand(2));
Craig Topper5aebb862016-07-04 20:56:38 +00001235 } else if (IsX86 && (Name == "sse2.pshufh.w" ||
1236 Name.startswith("avx512.mask.pshufh.w."))) {
Craig Topper10679862016-06-12 14:11:32 +00001237 Value *Op0 = CI->getArgOperand(0);
1238 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
1239 unsigned NumElts = CI->getType()->getVectorNumElements();
1240
1241 SmallVector<uint32_t, 16> Idxs(NumElts);
1242 for (unsigned l = 0; l != NumElts; l += 8) {
1243 for (unsigned i = 0; i != 4; ++i)
1244 Idxs[i + l] = i + l;
1245 for (unsigned i = 0; i != 4; ++i)
1246 Idxs[i + l + 4] = ((Imm >> (2 * i)) & 0x3) + 4 + l;
1247 }
1248
1249 Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
Craig Topper13cf7ca2016-06-13 02:36:48 +00001250
1251 if (CI->getNumArgOperands() == 4)
1252 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1253 CI->getArgOperand(2));
Craig Topper4619c9e2016-09-13 07:40:53 +00001254 } else if (IsX86 && Name.startswith("avx512.mask.shuf.p")) {
1255 Value *Op0 = CI->getArgOperand(0);
1256 Value *Op1 = CI->getArgOperand(1);
1257 unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
1258 unsigned NumElts = CI->getType()->getVectorNumElements();
1259
1260 unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
1261 unsigned HalfLaneElts = NumLaneElts / 2;
1262
1263 SmallVector<uint32_t, 16> Idxs(NumElts);
1264 for (unsigned i = 0; i != NumElts; ++i) {
1265 // Base index is the starting element of the lane.
1266 Idxs[i] = i - (i % NumLaneElts);
1267 // If we are half way through the lane switch to the other source.
1268 if ((i % NumLaneElts) >= HalfLaneElts)
1269 Idxs[i] += NumElts;
1270 // Now select the specific element. By adding HalfLaneElts bits from
1271 // the immediate. Wrapping around the immediate every 8-bits.
1272 Idxs[i] += (Imm >> ((i * HalfLaneElts) % 8)) & ((1 << HalfLaneElts) - 1);
1273 }
1274
1275 Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
1276
1277 Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep,
1278 CI->getArgOperand(3));
Craig Topper5aebb862016-07-04 20:56:38 +00001279 } else if (IsX86 && (Name.startswith("avx512.mask.movddup") ||
1280 Name.startswith("avx512.mask.movshdup") ||
1281 Name.startswith("avx512.mask.movsldup"))) {
Simon Pilgrim19adee92016-07-02 14:42:35 +00001282 Value *Op0 = CI->getArgOperand(0);
1283 unsigned NumElts = CI->getType()->getVectorNumElements();
1284 unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
1285
1286 unsigned Offset = 0;
Craig Topper5aebb862016-07-04 20:56:38 +00001287 if (Name.startswith("avx512.mask.movshdup."))
Simon Pilgrim19adee92016-07-02 14:42:35 +00001288 Offset = 1;
1289
1290 SmallVector<uint32_t, 16> Idxs(NumElts);
1291 for (unsigned l = 0; l != NumElts; l += NumLaneElts)
1292 for (unsigned i = 0; i != NumLaneElts; i += 2) {
1293 Idxs[i + l + 0] = i + l + Offset;
1294 Idxs[i + l + 1] = i + l + Offset;
1295 }
1296
1297 Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
1298
1299 Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
1300 CI->getArgOperand(1));
Craig Topper5aebb862016-07-04 20:56:38 +00001301 } else if (IsX86 && (Name.startswith("avx512.mask.punpckl") ||
1302 Name.startswith("avx512.mask.unpckl."))) {
Craig Topper597aa422016-06-23 07:37:33 +00001303 Value *Op0 = CI->getArgOperand(0);
1304 Value *Op1 = CI->getArgOperand(1);
1305 int NumElts = CI->getType()->getVectorNumElements();
1306 int NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
1307
1308 SmallVector<uint32_t, 64> Idxs(NumElts);
1309 for (int l = 0; l != NumElts; l += NumLaneElts)
1310 for (int i = 0; i != NumLaneElts; ++i)
1311 Idxs[i + l] = l + (i / 2) + NumElts * (i % 2);
1312
1313 Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
1314
1315 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1316 CI->getArgOperand(2));
Craig Topper5aebb862016-07-04 20:56:38 +00001317 } else if (IsX86 && (Name.startswith("avx512.mask.punpckh") ||
1318 Name.startswith("avx512.mask.unpckh."))) {
Craig Topper597aa422016-06-23 07:37:33 +00001319 Value *Op0 = CI->getArgOperand(0);
1320 Value *Op1 = CI->getArgOperand(1);
1321 int NumElts = CI->getType()->getVectorNumElements();
1322 int NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
1323
1324 SmallVector<uint32_t, 64> Idxs(NumElts);
1325 for (int l = 0; l != NumElts; l += NumLaneElts)
1326 for (int i = 0; i != NumLaneElts; ++i)
1327 Idxs[i + l] = (NumLaneElts / 2) + l + (i / 2) + NumElts * (i % 2);
1328
1329 Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
1330
1331 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1332 CI->getArgOperand(2));
Craig Toppera6e6feb2016-07-12 05:27:53 +00001333 } else if (IsX86 && Name.startswith("avx512.mask.pand.")) {
1334 Rep = Builder.CreateAnd(CI->getArgOperand(0), CI->getArgOperand(1));
1335 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1336 CI->getArgOperand(2));
1337 } else if (IsX86 && Name.startswith("avx512.mask.pandn.")) {
1338 Rep = Builder.CreateAnd(Builder.CreateNot(CI->getArgOperand(0)),
1339 CI->getArgOperand(1));
1340 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1341 CI->getArgOperand(2));
1342 } else if (IsX86 && Name.startswith("avx512.mask.por.")) {
1343 Rep = Builder.CreateOr(CI->getArgOperand(0), CI->getArgOperand(1));
1344 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1345 CI->getArgOperand(2));
1346 } else if (IsX86 && Name.startswith("avx512.mask.pxor.")) {
1347 Rep = Builder.CreateXor(CI->getArgOperand(0), CI->getArgOperand(1));
1348 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1349 CI->getArgOperand(2));
Craig Toppere75c4952016-09-02 05:29:17 +00001350 } else if (IsX86 && Name.startswith("avx512.mask.and.")) {
1351 VectorType *FTy = cast<VectorType>(CI->getType());
1352 VectorType *ITy = VectorType::getInteger(FTy);
1353 Rep = Builder.CreateAnd(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
1354 Builder.CreateBitCast(CI->getArgOperand(1), ITy));
1355 Rep = Builder.CreateBitCast(Rep, FTy);
1356 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1357 CI->getArgOperand(2));
1358 } else if (IsX86 && Name.startswith("avx512.mask.andn.")) {
1359 VectorType *FTy = cast<VectorType>(CI->getType());
1360 VectorType *ITy = VectorType::getInteger(FTy);
1361 Rep = Builder.CreateNot(Builder.CreateBitCast(CI->getArgOperand(0), ITy));
1362 Rep = Builder.CreateAnd(Rep,
1363 Builder.CreateBitCast(CI->getArgOperand(1), ITy));
1364 Rep = Builder.CreateBitCast(Rep, FTy);
1365 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1366 CI->getArgOperand(2));
1367 } else if (IsX86 && Name.startswith("avx512.mask.or.")) {
1368 VectorType *FTy = cast<VectorType>(CI->getType());
1369 VectorType *ITy = VectorType::getInteger(FTy);
1370 Rep = Builder.CreateOr(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
1371 Builder.CreateBitCast(CI->getArgOperand(1), ITy));
1372 Rep = Builder.CreateBitCast(Rep, FTy);
1373 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1374 CI->getArgOperand(2));
1375 } else if (IsX86 && Name.startswith("avx512.mask.xor.")) {
1376 VectorType *FTy = cast<VectorType>(CI->getType());
1377 VectorType *ITy = VectorType::getInteger(FTy);
1378 Rep = Builder.CreateXor(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
1379 Builder.CreateBitCast(CI->getArgOperand(1), ITy));
1380 Rep = Builder.CreateBitCast(Rep, FTy);
1381 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1382 CI->getArgOperand(2));
Craig Topperaf0d63d2016-09-04 02:09:53 +00001383 } else if (IsX86 && Name.startswith("avx512.mask.padd.")) {
1384 Rep = Builder.CreateAdd(CI->getArgOperand(0), CI->getArgOperand(1));
1385 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1386 CI->getArgOperand(2));
1387 } else if (IsX86 && Name.startswith("avx512.mask.psub.")) {
1388 Rep = Builder.CreateSub(CI->getArgOperand(0), CI->getArgOperand(1));
1389 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1390 CI->getArgOperand(2));
1391 } else if (IsX86 && Name.startswith("avx512.mask.pmull.")) {
1392 Rep = Builder.CreateMul(CI->getArgOperand(0), CI->getArgOperand(1));
1393 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1394 CI->getArgOperand(2));
Craig Topper8f354a72016-11-05 05:35:23 +00001395 } else if (IsX86 && (Name.startswith("avx512.mask.add.p"))) {
Craig Topper41773452016-09-04 18:13:33 +00001396 Rep = Builder.CreateFAdd(CI->getArgOperand(0), CI->getArgOperand(1));
1397 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1398 CI->getArgOperand(2));
Craig Topper96041c62016-11-07 00:13:42 +00001399 } else if (IsX86 && Name.startswith("avx512.mask.div.p")) {
Craig Topper41773452016-09-04 18:13:33 +00001400 Rep = Builder.CreateFDiv(CI->getArgOperand(0), CI->getArgOperand(1));
1401 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1402 CI->getArgOperand(2));
Craig Topper96041c62016-11-07 00:13:42 +00001403 } else if (IsX86 && Name.startswith("avx512.mask.mul.p")) {
Craig Topper41773452016-09-04 18:13:33 +00001404 Rep = Builder.CreateFMul(CI->getArgOperand(0), CI->getArgOperand(1));
1405 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1406 CI->getArgOperand(2));
Craig Topper96041c62016-11-07 00:13:42 +00001407 } else if (IsX86 && Name.startswith("avx512.mask.sub.p")) {
Craig Topper41773452016-09-04 18:13:33 +00001408 Rep = Builder.CreateFSub(CI->getArgOperand(0), CI->getArgOperand(1));
1409 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1410 CI->getArgOperand(2));
Craig Topper7e545332016-11-07 00:13:39 +00001411 } else if (IsX86 && Name.startswith("avx512.mask.pshuf.b.")) {
1412 VectorType *VecTy = cast<VectorType>(CI->getType());
1413 Intrinsic::ID IID;
1414 if (VecTy->getPrimitiveSizeInBits() == 128)
1415 IID = Intrinsic::x86_ssse3_pshuf_b_128;
1416 else if (VecTy->getPrimitiveSizeInBits() == 256)
1417 IID = Intrinsic::x86_avx2_pshuf_b;
1418 else
1419 llvm_unreachable("Unexpected intrinsic");
1420
1421 Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID),
1422 { CI->getArgOperand(0), CI->getArgOperand(1) });
1423 Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
1424 CI->getArgOperand(2));
Craig Topper987dad22016-11-13 19:09:56 +00001425 } else if (IsX86 && Name.startswith("avx512.mask.psll")) {
1426 bool IsImmediate = Name[16] == 'i' ||
1427 (Name.size() > 18 && Name[18] == 'i');
1428 bool IsVariable = Name[16] == 'v';
1429 char Size = Name[16] == '.' ? Name[17] :
1430 Name[17] == '.' ? Name[18] :
1431 Name[19];
1432
1433 Intrinsic::ID IID;
Craig Topper353e59b2016-11-14 01:53:22 +00001434 if (IsVariable && Name[17] != '.') {
Craig Topper987dad22016-11-13 19:09:56 +00001435 if (Size == 'd' && Name[17] == '2') // avx512.mask.psllv2.di
1436 IID = Intrinsic::x86_avx2_psllv_q;
1437 else if (Size == 'd' && Name[17] == '4') // avx512.mask.psllv4.di
1438 IID = Intrinsic::x86_avx2_psllv_q_256;
1439 else if (Size == 's' && Name[17] == '4') // avx512.mask.psllv4.si
1440 IID = Intrinsic::x86_avx2_psllv_d;
1441 else if (Size == 's' && Name[17] == '8') // avx512.mask.psllv8.si
1442 IID = Intrinsic::x86_avx2_psllv_d_256;
1443 else
1444 llvm_unreachable("Unexpected size");
1445 } else if (Name.endswith(".128")) {
1446 if (Size == 'd') // avx512.mask.psll.d.128, avx512.mask.psll.di.128
1447 IID = IsImmediate ? Intrinsic::x86_sse2_pslli_d
1448 : Intrinsic::x86_sse2_psll_d;
1449 else if (Size == 'q') // avx512.mask.psll.q.128, avx512.mask.psll.qi.128
1450 IID = IsImmediate ? Intrinsic::x86_sse2_pslli_q
1451 : Intrinsic::x86_sse2_psll_q;
1452 else if (Size == 'w') // avx512.mask.psll.w.128, avx512.mask.psll.wi.128
1453 IID = IsImmediate ? Intrinsic::x86_sse2_pslli_w
1454 : Intrinsic::x86_sse2_psll_w;
1455 else
1456 llvm_unreachable("Unexpected size");
1457 } else if (Name.endswith(".256")) {
1458 if (Size == 'd') // avx512.mask.psll.d.256, avx512.mask.psll.di.256
1459 IID = IsImmediate ? Intrinsic::x86_avx2_pslli_d
1460 : Intrinsic::x86_avx2_psll_d;
1461 else if (Size == 'q') // avx512.mask.psll.q.256, avx512.mask.psll.qi.256
1462 IID = IsImmediate ? Intrinsic::x86_avx2_pslli_q
1463 : Intrinsic::x86_avx2_psll_q;
1464 else if (Size == 'w') // avx512.mask.psll.w.256, avx512.mask.psll.wi.256
1465 IID = IsImmediate ? Intrinsic::x86_avx2_pslli_w
1466 : Intrinsic::x86_avx2_psll_w;
1467 else
1468 llvm_unreachable("Unexpected size");
1469 } else {
Craig Topper353e59b2016-11-14 01:53:22 +00001470 if (Size == 'd') // psll.di.512, pslli.d, psll.d, psllv.d.512
1471 IID = IsImmediate ? Intrinsic::x86_avx512_pslli_d_512 :
1472 IsVariable ? Intrinsic::x86_avx512_psllv_d_512 :
1473 Intrinsic::x86_avx512_psll_d_512;
1474 else if (Size == 'q') // psll.qi.512, pslli.q, psll.q, psllv.q.512
1475 IID = IsImmediate ? Intrinsic::x86_avx512_pslli_q_512 :
1476 IsVariable ? Intrinsic::x86_avx512_psllv_q_512 :
1477 Intrinsic::x86_avx512_psll_q_512;
Craig Topper987dad22016-11-13 19:09:56 +00001478 else if (Size == 'w') // psll.wi.512, pslli.w, psll.w
1479 IID = IsImmediate ? Intrinsic::x86_avx512_pslli_w_512
1480 : Intrinsic::x86_avx512_psll_w_512;
1481 else
1482 llvm_unreachable("Unexpected size");
1483 }
1484
1485 Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
1486 } else if (IsX86 && Name.startswith("avx512.mask.psrl")) {
1487 bool IsImmediate = Name[16] == 'i' ||
1488 (Name.size() > 18 && Name[18] == 'i');
1489 bool IsVariable = Name[16] == 'v';
1490 char Size = Name[16] == '.' ? Name[17] :
1491 Name[17] == '.' ? Name[18] :
1492 Name[19];
1493
1494 Intrinsic::ID IID;
Craig Topper353e59b2016-11-14 01:53:22 +00001495 if (IsVariable && Name[17] != '.') {
Craig Topper987dad22016-11-13 19:09:56 +00001496 if (Size == 'd' && Name[17] == '2') // avx512.mask.psrlv2.di
1497 IID = Intrinsic::x86_avx2_psrlv_q;
1498 else if (Size == 'd' && Name[17] == '4') // avx512.mask.psrlv4.di
1499 IID = Intrinsic::x86_avx2_psrlv_q_256;
1500 else if (Size == 's' && Name[17] == '4') // avx512.mask.psrlv4.si
1501 IID = Intrinsic::x86_avx2_psrlv_d;
1502 else if (Size == 's' && Name[17] == '8') // avx512.mask.psrlv8.si
1503 IID = Intrinsic::x86_avx2_psrlv_d_256;
1504 else
1505 llvm_unreachable("Unexpected size");
1506 } else if (Name.endswith(".128")) {
1507 if (Size == 'd') // avx512.mask.psrl.d.128, avx512.mask.psrl.di.128
1508 IID = IsImmediate ? Intrinsic::x86_sse2_psrli_d
1509 : Intrinsic::x86_sse2_psrl_d;
1510 else if (Size == 'q') // avx512.mask.psrl.q.128, avx512.mask.psrl.qi.128
1511 IID = IsImmediate ? Intrinsic::x86_sse2_psrli_q
1512 : Intrinsic::x86_sse2_psrl_q;
1513 else if (Size == 'w') // avx512.mask.psrl.w.128, avx512.mask.psrl.wi.128
1514 IID = IsImmediate ? Intrinsic::x86_sse2_psrli_w
1515 : Intrinsic::x86_sse2_psrl_w;
1516 else
1517 llvm_unreachable("Unexpected size");
1518 } else if (Name.endswith(".256")) {
1519 if (Size == 'd') // avx512.mask.psrl.d.256, avx512.mask.psrl.di.256
1520 IID = IsImmediate ? Intrinsic::x86_avx2_psrli_d
1521 : Intrinsic::x86_avx2_psrl_d;
1522 else if (Size == 'q') // avx512.mask.psrl.q.256, avx512.mask.psrl.qi.256
1523 IID = IsImmediate ? Intrinsic::x86_avx2_psrli_q
1524 : Intrinsic::x86_avx2_psrl_q;
1525 else if (Size == 'w') // avx512.mask.psrl.w.256, avx512.mask.psrl.wi.256
1526 IID = IsImmediate ? Intrinsic::x86_avx2_psrli_w
1527 : Intrinsic::x86_avx2_psrl_w;
1528 else
1529 llvm_unreachable("Unexpected size");
1530 } else {
Craig Topper353e59b2016-11-14 01:53:22 +00001531 if (Size == 'd') // psrl.di.512, psrli.d, psrl.d, psrl.d.512
1532 IID = IsImmediate ? Intrinsic::x86_avx512_psrli_d_512 :
1533 IsVariable ? Intrinsic::x86_avx512_psrlv_d_512 :
1534 Intrinsic::x86_avx512_psrl_d_512;
1535 else if (Size == 'q') // psrl.qi.512, psrli.q, psrl.q, psrl.q.512
1536 IID = IsImmediate ? Intrinsic::x86_avx512_psrli_q_512 :
1537 IsVariable ? Intrinsic::x86_avx512_psrlv_q_512 :
1538 Intrinsic::x86_avx512_psrl_q_512;
Craig Topper987dad22016-11-13 19:09:56 +00001539 else if (Size == 'w') // psrl.wi.512, psrli.w, psrl.w)
1540 IID = IsImmediate ? Intrinsic::x86_avx512_psrli_w_512
1541 : Intrinsic::x86_avx512_psrl_w_512;
1542 else
1543 llvm_unreachable("Unexpected size");
1544 }
1545
1546 Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
1547 } else if (IsX86 && Name.startswith("avx512.mask.psra")) {
1548 bool IsImmediate = Name[16] == 'i' ||
1549 (Name.size() > 18 && Name[18] == 'i');
1550 bool IsVariable = Name[16] == 'v';
1551 char Size = Name[16] == '.' ? Name[17] :
1552 Name[17] == '.' ? Name[18] :
1553 Name[19];
1554
1555 Intrinsic::ID IID;
Craig Topper353e59b2016-11-14 01:53:22 +00001556 if (IsVariable && Name[17] != '.') {
Craig Topper987dad22016-11-13 19:09:56 +00001557 if (Size == 's' && Name[17] == '4') // avx512.mask.psrav4.si
1558 IID = Intrinsic::x86_avx2_psrav_d;
1559 else if (Size == 's' && Name[17] == '8') // avx512.mask.psrav8.si
1560 IID = Intrinsic::x86_avx2_psrav_d_256;
1561 else
1562 llvm_unreachable("Unexpected size");
1563 } else if (Name.endswith(".128")) {
1564 if (Size == 'd') // avx512.mask.psra.d.128, avx512.mask.psra.di.128
1565 IID = IsImmediate ? Intrinsic::x86_sse2_psrai_d
1566 : Intrinsic::x86_sse2_psra_d;
1567 else if (Size == 'q') // avx512.mask.psra.q.128, avx512.mask.psra.qi.128
Craig Topper353e59b2016-11-14 01:53:22 +00001568 IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_128 :
1569 IsVariable ? Intrinsic::x86_avx512_psrav_q_128 :
1570 Intrinsic::x86_avx512_psra_q_128;
Craig Topper987dad22016-11-13 19:09:56 +00001571 else if (Size == 'w') // avx512.mask.psra.w.128, avx512.mask.psra.wi.128
1572 IID = IsImmediate ? Intrinsic::x86_sse2_psrai_w
1573 : Intrinsic::x86_sse2_psra_w;
1574 else
1575 llvm_unreachable("Unexpected size");
1576 } else if (Name.endswith(".256")) {
1577 if (Size == 'd') // avx512.mask.psra.d.256, avx512.mask.psra.di.256
1578 IID = IsImmediate ? Intrinsic::x86_avx2_psrai_d
1579 : Intrinsic::x86_avx2_psra_d;
1580 else if (Size == 'q') // avx512.mask.psra.q.256, avx512.mask.psra.qi.256
Craig Topper353e59b2016-11-14 01:53:22 +00001581 IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_256 :
1582 IsVariable ? Intrinsic::x86_avx512_psrav_q_256 :
1583 Intrinsic::x86_avx512_psra_q_256;
Craig Topper987dad22016-11-13 19:09:56 +00001584 else if (Size == 'w') // avx512.mask.psra.w.256, avx512.mask.psra.wi.256
1585 IID = IsImmediate ? Intrinsic::x86_avx2_psrai_w
1586 : Intrinsic::x86_avx2_psra_w;
1587 else
1588 llvm_unreachable("Unexpected size");
1589 } else {
Craig Topper353e59b2016-11-14 01:53:22 +00001590 if (Size == 'd') // psra.di.512, psrai.d, psra.d, psrav.d.512
1591 IID = IsImmediate ? Intrinsic::x86_avx512_psrai_d_512 :
1592 IsVariable ? Intrinsic::x86_avx512_psrav_d_512 :
1593 Intrinsic::x86_avx512_psra_d_512;
Craig Topper987dad22016-11-13 19:09:56 +00001594 else if (Size == 'q') // psra.qi.512, psrai.q, psra.q
Craig Topper353e59b2016-11-14 01:53:22 +00001595 IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_512 :
1596 IsVariable ? Intrinsic::x86_avx512_psrav_q_512 :
1597 Intrinsic::x86_avx512_psra_q_512;
Craig Topper987dad22016-11-13 19:09:56 +00001598 else if (Size == 'w') // psra.wi.512, psrai.w, psra.w
1599 IID = IsImmediate ? Intrinsic::x86_avx512_psrai_w_512
1600 : Intrinsic::x86_avx512_psra_w_512;
1601 else
1602 llvm_unreachable("Unexpected size");
1603 }
1604
1605 Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
Ayman Musa4d602432016-11-16 09:00:28 +00001606 } else if (IsX86 && Name.startswith("avx512.mask.move.s")) {
1607 Rep = upgradeMaskedMove(Builder, *CI);
Craig Topper3b1817d2012-02-03 06:10:55 +00001608 } else {
Craig Topper8a105052016-06-12 03:10:47 +00001609 llvm_unreachable("Unknown function for CallInst upgrade.");
Craig Topper3b1817d2012-02-03 06:10:55 +00001610 }
1611
Tim Shen00127562016-04-08 21:26:31 +00001612 if (Rep)
1613 CI->replaceAllUsesWith(Rep);
Craig Topper3b1817d2012-02-03 06:10:55 +00001614 CI->eraseFromParent();
1615 return;
1616 }
1617
Yaron Kerend1fdbe72015-03-30 16:10:39 +00001618 std::string Name = CI->getName();
Adrian Prantl87b7eb92014-10-01 18:55:02 +00001619 if (!Name.empty())
1620 CI->setName(Name + ".old");
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001621
Chandler Carruth58a71ed2011-12-12 04:26:04 +00001622 switch (NewFn->getIntrinsicID()) {
1623 default:
Chris Lattner0bcbde42011-11-27 08:42:07 +00001624 llvm_unreachable("Unknown function for CallInst upgrade.");
Chandler Carruth58a71ed2011-12-12 04:26:04 +00001625
Jeroen Ketemaab99b592015-09-30 10:56:37 +00001626 case Intrinsic::arm_neon_vld1:
1627 case Intrinsic::arm_neon_vld2:
1628 case Intrinsic::arm_neon_vld3:
1629 case Intrinsic::arm_neon_vld4:
1630 case Intrinsic::arm_neon_vld2lane:
1631 case Intrinsic::arm_neon_vld3lane:
1632 case Intrinsic::arm_neon_vld4lane:
1633 case Intrinsic::arm_neon_vst1:
1634 case Intrinsic::arm_neon_vst2:
1635 case Intrinsic::arm_neon_vst3:
1636 case Intrinsic::arm_neon_vst4:
1637 case Intrinsic::arm_neon_vst2lane:
1638 case Intrinsic::arm_neon_vst3lane:
1639 case Intrinsic::arm_neon_vst4lane: {
1640 SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
1641 CI->arg_operands().end());
1642 CI->replaceAllUsesWith(Builder.CreateCall(NewFn, Args));
1643 CI->eraseFromParent();
1644 return;
1645 }
1646
Chandler Carruth58a71ed2011-12-12 04:26:04 +00001647 case Intrinsic::ctlz:
Nuno Lopesad40c0a2012-05-22 15:25:31 +00001648 case Intrinsic::cttz:
Chandler Carruth58a71ed2011-12-12 04:26:04 +00001649 assert(CI->getNumArgOperands() == 1 &&
1650 "Mismatch between function args and call args");
David Blaikieff6409d2015-05-18 22:13:54 +00001651 CI->replaceAllUsesWith(Builder.CreateCall(
1652 NewFn, {CI->getArgOperand(0), Builder.getFalse()}, Name));
Chandler Carruth58a71ed2011-12-12 04:26:04 +00001653 CI->eraseFromParent();
1654 return;
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001655
Matt Arsenaultfbcbce42013-10-07 18:06:48 +00001656 case Intrinsic::objectsize:
David Blaikieff6409d2015-05-18 22:13:54 +00001657 CI->replaceAllUsesWith(Builder.CreateCall(
1658 NewFn, {CI->getArgOperand(0), CI->getArgOperand(1)}, Name));
Matt Arsenaultfbcbce42013-10-07 18:06:48 +00001659 CI->eraseFromParent();
1660 return;
1661
Joel Jonesb84f7be2012-07-18 00:02:16 +00001662 case Intrinsic::ctpop: {
David Blaikieff6409d2015-05-18 22:13:54 +00001663 CI->replaceAllUsesWith(Builder.CreateCall(NewFn, {CI->getArgOperand(0)}));
Joel Jonesb84f7be2012-07-18 00:02:16 +00001664 CI->eraseFromParent();
1665 return;
1666 }
Joel Jones43cb8782012-07-13 23:25:25 +00001667
Craig Topper71dc02d2012-06-13 07:18:53 +00001668 case Intrinsic::x86_xop_vfrcz_ss:
1669 case Intrinsic::x86_xop_vfrcz_sd:
David Blaikieff6409d2015-05-18 22:13:54 +00001670 CI->replaceAllUsesWith(
1671 Builder.CreateCall(NewFn, {CI->getArgOperand(1)}, Name));
Craig Topper71dc02d2012-06-13 07:18:53 +00001672 CI->eraseFromParent();
1673 return;
1674
Simon Pilgrime85506b2016-06-03 08:06:03 +00001675 case Intrinsic::x86_xop_vpermil2pd:
1676 case Intrinsic::x86_xop_vpermil2ps:
1677 case Intrinsic::x86_xop_vpermil2pd_256:
1678 case Intrinsic::x86_xop_vpermil2ps_256: {
1679 SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
1680 CI->arg_operands().end());
1681 VectorType *FltIdxTy = cast<VectorType>(Args[2]->getType());
1682 VectorType *IntIdxTy = VectorType::getInteger(FltIdxTy);
1683 Args[2] = Builder.CreateBitCast(Args[2], IntIdxTy);
1684 CI->replaceAllUsesWith(Builder.CreateCall(NewFn, Args, Name));
1685 CI->eraseFromParent();
1686 return;
1687 }
1688
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001689 case Intrinsic::x86_sse41_ptestc:
1690 case Intrinsic::x86_sse41_ptestz:
Craig Topper71dc02d2012-06-13 07:18:53 +00001691 case Intrinsic::x86_sse41_ptestnzc: {
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001692 // The arguments for these intrinsics used to be v4f32, and changed
1693 // to v2i64. This is purely a nop, since those are bitwise intrinsics.
1694 // So, the only thing required is a bitcast for both arguments.
1695 // First, check the arguments have the old type.
1696 Value *Arg0 = CI->getArgOperand(0);
1697 if (Arg0->getType() != VectorType::get(Type::getFloatTy(C), 4))
1698 return;
1699
1700 // Old intrinsic, add bitcasts
1701 Value *Arg1 = CI->getArgOperand(1);
1702
David Blaikie5bacf372015-04-24 21:16:07 +00001703 Type *NewVecTy = VectorType::get(Type::getInt64Ty(C), 2);
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001704
David Blaikie5bacf372015-04-24 21:16:07 +00001705 Value *BC0 = Builder.CreateBitCast(Arg0, NewVecTy, "cast");
1706 Value *BC1 = Builder.CreateBitCast(Arg1, NewVecTy, "cast");
1707
David Blaikieff6409d2015-05-18 22:13:54 +00001708 CallInst *NewCall = Builder.CreateCall(NewFn, {BC0, BC1}, Name);
Nadav Rotem17ee58a2012-06-10 18:42:51 +00001709 CI->replaceAllUsesWith(NewCall);
1710 CI->eraseFromParent();
1711 return;
Evan Cheng0e179d02007-12-17 22:33:23 +00001712 }
Chandler Carruth373b2b12014-09-06 10:00:01 +00001713
Chandler Carruth373b2b12014-09-06 10:00:01 +00001714 case Intrinsic::x86_sse41_insertps:
1715 case Intrinsic::x86_sse41_dppd:
1716 case Intrinsic::x86_sse41_dpps:
1717 case Intrinsic::x86_sse41_mpsadbw:
Chandler Carruth373b2b12014-09-06 10:00:01 +00001718 case Intrinsic::x86_avx_dp_ps_256:
Chandler Carruth373b2b12014-09-06 10:00:01 +00001719 case Intrinsic::x86_avx2_mpsadbw: {
1720 // Need to truncate the last argument from i32 to i8 -- this argument models
1721 // an inherently 8-bit immediate operand to these x86 instructions.
1722 SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
1723 CI->arg_operands().end());
1724
1725 // Replace the last argument with a trunc.
1726 Args.back() = Builder.CreateTrunc(Args.back(), Type::getInt8Ty(C), "trunc");
1727
1728 CallInst *NewCall = Builder.CreateCall(NewFn, Args);
1729 CI->replaceAllUsesWith(NewCall);
1730 CI->eraseFromParent();
1731 return;
1732 }
Marcin Koscielnicki3fdc2572016-04-19 20:51:05 +00001733
1734 case Intrinsic::thread_pointer: {
1735 CI->replaceAllUsesWith(Builder.CreateCall(NewFn, {}));
1736 CI->eraseFromParent();
1737 return;
1738 }
Artur Pilipenko7ad95ec2016-06-28 18:27:25 +00001739
Mehdi Amini8c629ec2016-08-13 23:31:24 +00001740 case Intrinsic::invariant_start:
1741 case Intrinsic::invariant_end:
Artur Pilipenko7ad95ec2016-06-28 18:27:25 +00001742 case Intrinsic::masked_load:
1743 case Intrinsic::masked_store: {
1744 SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
1745 CI->arg_operands().end());
1746 CI->replaceAllUsesWith(Builder.CreateCall(NewFn, Args));
1747 CI->eraseFromParent();
1748 return;
1749 }
Craig Topper71dc02d2012-06-13 07:18:53 +00001750 }
Chandler Carruth7132e002007-08-04 01:51:18 +00001751}
1752
Sanjay Patelfdf0d5f2016-04-18 19:11:57 +00001753void llvm::UpgradeCallsToIntrinsic(Function *F) {
Chandler Carruth7132e002007-08-04 01:51:18 +00001754 assert(F && "Illegal attempt to upgrade a non-existent intrinsic.");
1755
Sanjay Patelfdf0d5f2016-04-18 19:11:57 +00001756 // Check if this function should be upgraded and get the replacement function
1757 // if there is one.
Chris Lattner80ed9dc2011-06-18 06:05:24 +00001758 Function *NewFn;
Evan Cheng0e179d02007-12-17 22:33:23 +00001759 if (UpgradeIntrinsicFunction(F, NewFn)) {
Sanjay Patelfdf0d5f2016-04-18 19:11:57 +00001760 // Replace all users of the old function with the new function or new
1761 // instructions. This is not a range loop because the call is deleted.
1762 for (auto UI = F->user_begin(), UE = F->user_end(); UI != UE; )
Duncan P. N. Exon Smith93f53c42016-04-17 03:59:37 +00001763 if (CallInst *CI = dyn_cast<CallInst>(*UI++))
Filipe Cabecinhas0011c582015-07-03 20:12:01 +00001764 UpgradeIntrinsicCall(CI, NewFn);
Sanjay Patelfdf0d5f2016-04-18 19:11:57 +00001765
Filipe Cabecinhas0011c582015-07-03 20:12:01 +00001766 // Remove old function, no longer used, from the module.
1767 F->eraseFromParent();
Chandler Carruth7132e002007-08-04 01:51:18 +00001768 }
1769}
Devang Patel80ae3492009-08-28 23:24:31 +00001770
Mehdi Aminie4709272016-09-14 22:29:59 +00001771MDNode *llvm::UpgradeTBAANode(MDNode &MD) {
Manman Ren209b17c2013-09-28 00:22:27 +00001772 // Check if the tag uses struct-path aware TBAA format.
Mehdi Aminie4709272016-09-14 22:29:59 +00001773 if (isa<MDNode>(MD.getOperand(0)) && MD.getNumOperands() >= 3)
1774 return &MD;
Manman Ren209b17c2013-09-28 00:22:27 +00001775
Mehdi Aminie4709272016-09-14 22:29:59 +00001776 auto &Context = MD.getContext();
1777 if (MD.getNumOperands() == 3) {
1778 Metadata *Elts[] = {MD.getOperand(0), MD.getOperand(1)};
1779 MDNode *ScalarType = MDNode::get(Context, Elts);
Manman Ren209b17c2013-09-28 00:22:27 +00001780 // Create a MDNode <ScalarType, ScalarType, offset 0, const>
Duncan P. N. Exon Smith5bf8fef2014-12-09 18:38:53 +00001781 Metadata *Elts2[] = {ScalarType, ScalarType,
Mehdi Aminie4709272016-09-14 22:29:59 +00001782 ConstantAsMetadata::get(
1783 Constant::getNullValue(Type::getInt64Ty(Context))),
1784 MD.getOperand(2)};
1785 return MDNode::get(Context, Elts2);
Manman Ren209b17c2013-09-28 00:22:27 +00001786 }
Mehdi Aminie4709272016-09-14 22:29:59 +00001787 // Create a MDNode <MD, MD, offset 0>
1788 Metadata *Elts[] = {&MD, &MD, ConstantAsMetadata::get(Constant::getNullValue(
1789 Type::getInt64Ty(Context)))};
1790 return MDNode::get(Context, Elts);
Manman Ren209b17c2013-09-28 00:22:27 +00001791}
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001792
1793Instruction *llvm::UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
1794 Instruction *&Temp) {
1795 if (Opc != Instruction::BitCast)
Craig Topperc6207612014-04-09 06:08:46 +00001796 return nullptr;
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001797
Craig Topperc6207612014-04-09 06:08:46 +00001798 Temp = nullptr;
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001799 Type *SrcTy = V->getType();
1800 if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() &&
1801 SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) {
1802 LLVMContext &Context = V->getContext();
1803
1804 // We have no information about target data layout, so we assume that
1805 // the maximum pointer size is 64bit.
1806 Type *MidTy = Type::getInt64Ty(Context);
1807 Temp = CastInst::Create(Instruction::PtrToInt, V, MidTy);
1808
1809 return CastInst::Create(Instruction::IntToPtr, Temp, DestTy);
1810 }
1811
Craig Topperc6207612014-04-09 06:08:46 +00001812 return nullptr;
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001813}
1814
1815Value *llvm::UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy) {
1816 if (Opc != Instruction::BitCast)
Craig Topperc6207612014-04-09 06:08:46 +00001817 return nullptr;
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001818
1819 Type *SrcTy = C->getType();
1820 if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() &&
1821 SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) {
1822 LLVMContext &Context = C->getContext();
1823
1824 // We have no information about target data layout, so we assume that
1825 // the maximum pointer size is 64bit.
1826 Type *MidTy = Type::getInt64Ty(Context);
1827
1828 return ConstantExpr::getIntToPtr(ConstantExpr::getPtrToInt(C, MidTy),
1829 DestTy);
1830 }
1831
Craig Topperc6207612014-04-09 06:08:46 +00001832 return nullptr;
Matt Arsenaultb03bd4d2013-11-15 01:34:59 +00001833}
Manman Ren8b4306c2013-12-02 21:29:56 +00001834
1835/// Check the debug info version number, if it is out-dated, drop the debug
1836/// info. Return true if module is modified.
1837bool llvm::UpgradeDebugInfo(Module &M) {
Manman Ren2ebfb422014-01-16 01:51:12 +00001838 unsigned Version = getDebugMetadataVersionFromModule(M);
1839 if (Version == DEBUG_METADATA_VERSION)
Manman Ren8b4306c2013-12-02 21:29:56 +00001840 return false;
1841
Manman Ren2ebfb422014-01-16 01:51:12 +00001842 bool RetCode = StripDebugInfo(M);
1843 if (RetCode) {
1844 DiagnosticInfoDebugMetadataVersion DiagVersion(M, Version);
1845 M.getContext().diagnose(DiagVersion);
1846 }
1847 return RetCode;
Manman Ren8b4306c2013-12-02 21:29:56 +00001848}
Eli Bendersky5d5e18d2014-06-25 15:41:00 +00001849
Manman Renb5d7ff42016-05-25 23:14:48 +00001850bool llvm::UpgradeModuleFlags(Module &M) {
1851 const NamedMDNode *ModFlags = M.getModuleFlagsMetadata();
1852 if (!ModFlags)
1853 return false;
1854
1855 bool HasObjCFlag = false, HasClassProperties = false;
1856 for (unsigned I = 0, E = ModFlags->getNumOperands(); I != E; ++I) {
1857 MDNode *Op = ModFlags->getOperand(I);
1858 if (Op->getNumOperands() < 2)
1859 continue;
1860 MDString *ID = dyn_cast_or_null<MDString>(Op->getOperand(1));
1861 if (!ID)
1862 continue;
1863 if (ID->getString() == "Objective-C Image Info Version")
1864 HasObjCFlag = true;
1865 if (ID->getString() == "Objective-C Class Properties")
1866 HasClassProperties = true;
1867 }
1868 // "Objective-C Class Properties" is recently added for Objective-C. We
1869 // upgrade ObjC bitcodes to contain a "Objective-C Class Properties" module
Mehdi Aminib53b62e2016-09-16 00:38:18 +00001870 // flag of value 0, so we can correclty downgrade this flag when trying to
1871 // link an ObjC bitcode without this module flag with an ObjC bitcode with
1872 // this module flag.
Manman Renb5d7ff42016-05-25 23:14:48 +00001873 if (HasObjCFlag && !HasClassProperties) {
Mehdi Aminib53b62e2016-09-16 00:38:18 +00001874 M.addModuleFlag(llvm::Module::Override, "Objective-C Class Properties",
Manman Renb5d7ff42016-05-25 23:14:48 +00001875 (uint32_t)0);
1876 return true;
1877 }
1878 return false;
1879}
1880
Duncan P. N. Exon Smithefe16c82016-03-25 00:56:13 +00001881static bool isOldLoopArgument(Metadata *MD) {
1882 auto *T = dyn_cast_or_null<MDTuple>(MD);
1883 if (!T)
1884 return false;
1885 if (T->getNumOperands() < 1)
1886 return false;
1887 auto *S = dyn_cast_or_null<MDString>(T->getOperand(0));
1888 if (!S)
1889 return false;
1890 return S->getString().startswith("llvm.vectorizer.");
1891}
1892
1893static MDString *upgradeLoopTag(LLVMContext &C, StringRef OldTag) {
1894 StringRef OldPrefix = "llvm.vectorizer.";
1895 assert(OldTag.startswith(OldPrefix) && "Expected old prefix");
1896
1897 if (OldTag == "llvm.vectorizer.unroll")
1898 return MDString::get(C, "llvm.loop.interleave.count");
1899
1900 return MDString::get(
1901 C, (Twine("llvm.loop.vectorize.") + OldTag.drop_front(OldPrefix.size()))
1902 .str());
1903}
1904
1905static Metadata *upgradeLoopArgument(Metadata *MD) {
1906 auto *T = dyn_cast_or_null<MDTuple>(MD);
1907 if (!T)
1908 return MD;
1909 if (T->getNumOperands() < 1)
1910 return MD;
1911 auto *OldTag = dyn_cast_or_null<MDString>(T->getOperand(0));
1912 if (!OldTag)
1913 return MD;
1914 if (!OldTag->getString().startswith("llvm.vectorizer."))
1915 return MD;
1916
1917 // This has an old tag. Upgrade it.
1918 SmallVector<Metadata *, 8> Ops;
1919 Ops.reserve(T->getNumOperands());
1920 Ops.push_back(upgradeLoopTag(T->getContext(), OldTag->getString()));
1921 for (unsigned I = 1, E = T->getNumOperands(); I != E; ++I)
1922 Ops.push_back(T->getOperand(I));
1923
1924 return MDTuple::get(T->getContext(), Ops);
1925}
1926
1927MDNode *llvm::upgradeInstructionLoopAttachment(MDNode &N) {
1928 auto *T = dyn_cast<MDTuple>(&N);
1929 if (!T)
1930 return &N;
1931
David Majnemer0a16c222016-08-11 21:15:00 +00001932 if (none_of(T->operands(), isOldLoopArgument))
Duncan P. N. Exon Smithefe16c82016-03-25 00:56:13 +00001933 return &N;
1934
1935 SmallVector<Metadata *, 8> Ops;
1936 Ops.reserve(T->getNumOperands());
1937 for (Metadata *MD : T->operands())
1938 Ops.push_back(upgradeLoopArgument(MD));
1939
1940 return MDTuple::get(T->getContext(), Ops);
Eli Bendersky5d5e18d2014-06-25 15:41:00 +00001941}