Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 1 | //===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file was developed by Reid Spencer and is distributed under the |
| 6 | // University of Illinois Open Source License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the auto-upgrade helper functions |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "llvm/Assembly/AutoUpgrade.h" |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 15 | #include "llvm/Constants.h" |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 16 | #include "llvm/DerivedTypes.h" |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 17 | #include "llvm/Function.h" |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 18 | #include "llvm/Module.h" |
| 19 | #include "llvm/Instructions.h" |
| 20 | #include "llvm/Intrinsics.h" |
| 21 | #include "llvm/SymbolTable.h" |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 22 | #include <iostream> |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 23 | using namespace llvm; |
| 24 | |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 25 | static Function *getUpgradedUnaryFn(Function *F) { |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 26 | const std::string &Name = F->getName(); |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 27 | Module *M = F->getParent(); |
| 28 | switch (F->getReturnType()->getTypeID()) { |
| 29 | default: return 0; |
| 30 | case Type::UByteTyID: |
| 31 | case Type::SByteTyID: |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 32 | return M->getOrInsertFunction(Name+".i8", |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 33 | Type::UByteTy, Type::UByteTy, NULL); |
| 34 | case Type::UShortTyID: |
| 35 | case Type::ShortTyID: |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 36 | return M->getOrInsertFunction(Name+".i16", |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 37 | Type::UShortTy, Type::UShortTy, NULL); |
| 38 | case Type::UIntTyID: |
| 39 | case Type::IntTyID: |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 40 | return M->getOrInsertFunction(Name+".i32", |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 41 | Type::UIntTy, Type::UIntTy, NULL); |
| 42 | case Type::ULongTyID: |
| 43 | case Type::LongTyID: |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 44 | return M->getOrInsertFunction(Name+".i64", |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 45 | Type::ULongTy, Type::ULongTy, NULL); |
Chris Lattner | 329b951 | 2006-03-03 16:31:22 +0000 | [diff] [blame] | 46 | case Type::FloatTyID: |
| 47 | return M->getOrInsertFunction(Name+".f32", |
| 48 | Type::FloatTy, Type::FloatTy, NULL); |
| 49 | case Type::DoubleTyID: |
| 50 | return M->getOrInsertFunction(Name+".f64", |
| 51 | Type::DoubleTy, Type::DoubleTy, NULL); |
| 52 | } |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | static Function *getUpgradedIntrinsic(Function *F) { |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 56 | // If there's no function, we can't get the argument type. |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 57 | if (!F) return 0; |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 58 | |
| 59 | // Get the Function's name. |
| 60 | const std::string& Name = F->getName(); |
| 61 | |
| 62 | // Quickly eliminate it, if it's not a candidate. |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 63 | if (Name.length() <= 8 || Name[0] != 'l' || Name[1] != 'l' || |
| 64 | Name[2] != 'v' || Name[3] != 'm' || Name[4] != '.') |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 65 | return 0; |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 66 | |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 67 | Module *M = F->getParent(); |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 68 | switch (Name[5]) { |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 69 | default: break; |
| 70 | case 'b': |
| 71 | if (Name == "llvm.bswap") return getUpgradedUnaryFn(F); |
| 72 | break; |
| 73 | case 'c': |
| 74 | if (Name == "llvm.ctpop" || Name == "llvm.ctlz" || Name == "llvm.cttz") |
| 75 | return getUpgradedUnaryFn(F); |
| 76 | break; |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 77 | case 'd': |
| 78 | if (Name == "llvm.dbg.stoppoint") { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 79 | PointerType *ESP = |
| 80 | PointerType::get(StructType::get(std::vector<const Type*>())); |
| 81 | if (F->getReturnType() != Type::VoidTy || |
| 82 | F->getFunctionType()->getParamType(2) != ESP) { |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 83 | return M->getOrInsertFunction(Name, Type::VoidTy, |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 84 | Type::UIntTy, Type::UIntTy, ESP, NULL); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 85 | } |
| 86 | } else if (Name == "llvm.dbg.func.start") { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 87 | PointerType *ESP = |
| 88 | PointerType::get(StructType::get(std::vector<const Type*>())); |
| 89 | if (F->getReturnType() != Type::VoidTy || |
| 90 | F->getFunctionType()->getParamType(0) != ESP) { |
| 91 | return M->getOrInsertFunction(Name, Type::VoidTy, ESP, NULL); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 92 | } |
| 93 | } else if (Name == "llvm.dbg.region.start") { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 94 | PointerType *ESP = |
| 95 | PointerType::get(StructType::get(std::vector<const Type*>())); |
| 96 | if (F->getReturnType() != Type::VoidTy || |
| 97 | F->getFunctionType()->getParamType(0) != ESP) { |
| 98 | return M->getOrInsertFunction(Name, Type::VoidTy, ESP, NULL); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 99 | } |
| 100 | } else if (Name == "llvm.dbg.region.end") { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 101 | PointerType *ESP = |
| 102 | PointerType::get(StructType::get(std::vector<const Type*>())); |
| 103 | if (F->getReturnType() != Type::VoidTy || |
| 104 | F->getFunctionType()->getParamType(0) != ESP) { |
| 105 | return M->getOrInsertFunction(Name, Type::VoidTy, ESP, NULL); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 106 | } |
Jim Laskey | 5a588a9 | 2006-03-14 02:00:35 +0000 | [diff] [blame] | 107 | } else if (Name == "llvm.dbg.declare") { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 108 | PointerType *ESP = |
| 109 | PointerType::get(StructType::get(std::vector<const Type*>())); |
| 110 | if (F->getReturnType() != Type::VoidTy || |
| 111 | F->getFunctionType()->getParamType(0) != ESP || |
| 112 | F->getFunctionType()->getParamType(1) != ESP) { |
| 113 | return M->getOrInsertFunction(Name, Type::VoidTy, ESP, ESP, NULL); |
| 114 | } |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 115 | } |
| 116 | break; |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 117 | case 'i': |
| 118 | if (Name == "llvm.isunordered" && F->arg_begin() != F->arg_end()) { |
| 119 | if (F->arg_begin()->getType() == Type::FloatTy) |
| 120 | return M->getOrInsertFunction(Name+".f32", F->getFunctionType()); |
| 121 | if (F->arg_begin()->getType() == Type::DoubleTy) |
| 122 | return M->getOrInsertFunction(Name+".f64", F->getFunctionType()); |
| 123 | } |
| 124 | break; |
| 125 | case 'm': |
| 126 | if (Name == "llvm.memcpy" || Name == "llvm.memset" || |
| 127 | Name == "llvm.memmove") { |
Chris Lattner | a758b82 | 2006-03-09 18:42:10 +0000 | [diff] [blame] | 128 | if (F->getFunctionType()->getParamType(2) == Type::UIntTy || |
| 129 | F->getFunctionType()->getParamType(2) == Type::IntTy) |
| 130 | return M->getOrInsertFunction(Name+".i32", Type::VoidTy, |
| 131 | PointerType::get(Type::SByteTy), |
| 132 | F->getFunctionType()->getParamType(1), |
| 133 | Type::UIntTy, Type::UIntTy, NULL); |
| 134 | if (F->getFunctionType()->getParamType(2) == Type::ULongTy || |
| 135 | F->getFunctionType()->getParamType(2) == Type::LongTy) |
| 136 | return M->getOrInsertFunction(Name+".i64", Type::VoidTy, |
| 137 | PointerType::get(Type::SByteTy), |
| 138 | F->getFunctionType()->getParamType(1), |
| 139 | Type::ULongTy, Type::UIntTy, NULL); |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 140 | } |
| 141 | break; |
| 142 | case 's': |
| 143 | if (Name == "llvm.sqrt") |
| 144 | return getUpgradedUnaryFn(F); |
| 145 | break; |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 146 | } |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 147 | return 0; |
| 148 | } |
| 149 | |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 150 | // Occasionally upgraded function call site arguments need to be permutated to |
| 151 | // some new order. The result of getArgumentPermutation is an array of size |
| 152 | // F->getFunctionType()getNumParams() indicating the new operand order. A value |
| 153 | // of zero in the array indicates replacing with UndefValue for the arg type. |
| 154 | // NULL is returned if there is no permutation. It's assumed that the function |
| 155 | // name is in the form "llvm.?????" |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 156 | static unsigned *getArgumentPermutation(Function* Fn, Function* NewFn) { |
| 157 | const std::string& Name = Fn->getName(); |
| 158 | unsigned N = Fn->getFunctionType()->getNumParams(); |
| 159 | unsigned M = NewFn->getFunctionType()->getNumParams(); |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 160 | |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 161 | switch (Name[5]) { |
| 162 | case 'd': |
| 163 | if (Name == "llvm.dbg.stoppoint") { |
| 164 | static unsigned Permutation[] = { 2, 3, 4 }; |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 165 | assert(M == (sizeof(Permutation) / sizeof(unsigned)) && |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 166 | "Permutation is wrong length"); |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 167 | if (N == 4) return Permutation; |
| 168 | } else if (Name == "llvm.dbg.region.start") { |
| 169 | static unsigned Permutation[] = { 0 }; |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 170 | assert(M == (sizeof(Permutation) / sizeof(unsigned)) && |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 171 | "Permutation is wrong length"); |
| 172 | if (N == 0) return Permutation; |
| 173 | } else if (Name == "llvm.dbg.region.end") { |
| 174 | static unsigned Permutation[] = { 0 }; |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 175 | assert(M == (sizeof(Permutation) / sizeof(unsigned)) && |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 176 | "Permutation is wrong length"); |
| 177 | if (N == 0) return Permutation; |
| 178 | } else if (Name == "llvm.dbg.declare") { |
| 179 | static unsigned Permutation[] = { 0, 0 }; |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 180 | assert(M == (sizeof(Permutation) / sizeof(unsigned)) && |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 181 | "Permutation is wrong length"); |
| 182 | if (N == 0) return Permutation; |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 183 | } |
| 184 | break; |
| 185 | } |
| 186 | return NULL; |
| 187 | } |
| 188 | |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 189 | // UpgradeIntrinsicFunction - Convert overloaded intrinsic function names to |
| 190 | // their non-overloaded variants by appending the appropriate suffix based on |
| 191 | // the argument types. |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 192 | Function *llvm::UpgradeIntrinsicFunction(Function* F) { |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 193 | // See if its one of the name's we're interested in. |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 194 | if (Function *R = getUpgradedIntrinsic(F)) { |
Reid Spencer | 403d43a | 2006-04-12 17:56:16 +0000 | [diff] [blame] | 195 | if (R->getName() != F->getName()) |
Reid Spencer | dd0f8df | 2006-05-30 16:34:59 +0000 | [diff] [blame] | 196 | std::cerr << "WARNING: change " << F->getName() << " to " |
Reid Spencer | 403d43a | 2006-04-12 17:56:16 +0000 | [diff] [blame] | 197 | << R->getName() << "\n"; |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 198 | return R; |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 199 | } |
| 200 | return 0; |
| 201 | } |
| 202 | |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 203 | // CastArg - Perform the appropriate cast of an upgraded argument. |
| 204 | // |
Jim Laskey | e481b94 | 2006-03-25 18:40:47 +0000 | [diff] [blame] | 205 | static Value *CastArg(Value *Arg, const Type *Ty, Instruction *InsertBefore) { |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 206 | if (Constant *C = dyn_cast<Constant>(Arg)) { |
| 207 | return ConstantExpr::getCast(C, Ty); |
| 208 | } else { |
Reid Spencer | 3da59db | 2006-11-27 01:05:10 +0000 | [diff] [blame^] | 209 | return CastInst::createInferredCast(Arg, Ty, "autoupgrade_cast", |
| 210 | InsertBefore); |
Jim Laskey | d06b5fc | 2006-03-23 18:03:20 +0000 | [diff] [blame] | 211 | } |
| 212 | } |
Reid Spencer | e2a5fb0 | 2006-01-27 11:49:27 +0000 | [diff] [blame] | 213 | |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 214 | // UpgradeIntrinsicCall - In the BC reader, change a call to an intrinsic to be |
| 215 | // a call to an upgraded intrinsic. We may have to permute the order or promote |
| 216 | // some arguments with a cast. |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 217 | void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { |
Reid Spencer | e2a5fb0 | 2006-01-27 11:49:27 +0000 | [diff] [blame] | 218 | Function *F = CI->getCalledFunction(); |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 219 | |
| 220 | const FunctionType *NewFnTy = NewFn->getFunctionType(); |
| 221 | std::vector<Value*> Oprnds; |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 222 | |
Jim Laskey | 9b2b21b | 2006-03-23 20:13:25 +0000 | [diff] [blame] | 223 | unsigned *Permutation = getArgumentPermutation(F, NewFn); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 224 | unsigned N = NewFnTy->getNumParams(); |
| 225 | |
| 226 | if (Permutation) { |
| 227 | for (unsigned i = 0; i != N; ++i) { |
| 228 | unsigned p = Permutation[i]; |
| 229 | |
| 230 | if (p) { |
| 231 | Value *V = CI->getOperand(p); |
| 232 | if (V->getType() != NewFnTy->getParamType(i)) |
Jim Laskey | e481b94 | 2006-03-25 18:40:47 +0000 | [diff] [blame] | 233 | V = CastArg(V, NewFnTy->getParamType(i), CI); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 234 | Oprnds.push_back(V); |
| 235 | } else |
| 236 | Oprnds.push_back(UndefValue::get(NewFnTy->getParamType(i))); |
| 237 | } |
Jim Laskey | 5a588a9 | 2006-03-14 02:00:35 +0000 | [diff] [blame] | 238 | } else if (N) { |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 239 | assert(N == (CI->getNumOperands() - 1) && |
| 240 | "Upgraded function needs permutation"); |
| 241 | for (unsigned i = 0; i != N; ++i) { |
| 242 | Value *V = CI->getOperand(i + 1); |
| 243 | if (V->getType() != NewFnTy->getParamType(i)) |
Jim Laskey | e481b94 | 2006-03-25 18:40:47 +0000 | [diff] [blame] | 244 | V = CastArg(V, NewFnTy->getParamType(i), CI); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 245 | Oprnds.push_back(V); |
| 246 | } |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 247 | } |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 248 | |
| 249 | bool NewIsVoid = NewFn->getReturnType() == Type::VoidTy; |
| 250 | |
| 251 | CallInst *NewCI = new CallInst(NewFn, Oprnds, |
| 252 | NewIsVoid ? "" : CI->getName(), |
| 253 | CI); |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 254 | NewCI->setTailCall(CI->isTailCall()); |
| 255 | NewCI->setCallingConv(CI->getCallingConv()); |
| 256 | |
| 257 | if (!CI->use_empty()) { |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 258 | if (NewIsVoid) { |
| 259 | CI->replaceAllUsesWith(UndefValue::get(CI->getType())); |
| 260 | } else { |
| 261 | Instruction *RetVal = NewCI; |
| 262 | |
| 263 | if (F->getReturnType() != NewFn->getReturnType()) { |
Reid Spencer | 3da59db | 2006-11-27 01:05:10 +0000 | [diff] [blame^] | 264 | RetVal = |
| 265 | new BitCastInst(NewCI, F->getReturnType(), NewCI->getName(), CI); |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 266 | NewCI->moveBefore(RetVal); |
| 267 | } |
| 268 | |
| 269 | CI->replaceAllUsesWith(RetVal); |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 270 | } |
Chris Lattner | ffa987d | 2006-03-02 23:58:40 +0000 | [diff] [blame] | 271 | } |
| 272 | CI->eraseFromParent(); |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | bool llvm::UpgradeCallsToIntrinsic(Function* F) { |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 276 | if (Function* NewFn = UpgradeIntrinsicFunction(F)) { |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 277 | for (Value::use_iterator UI = F->use_begin(), UE = F->use_end(); |
Chris Lattner | f690bc8 | 2006-01-20 18:04:43 +0000 | [diff] [blame] | 278 | UI != UE; ) { |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 279 | if (CallInst* CI = dyn_cast<CallInst>(*UI++)) |
| 280 | UpgradeIntrinsicCall(CI, NewFn); |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 281 | } |
Jim Laskey | f4321a3 | 2006-03-13 13:07:37 +0000 | [diff] [blame] | 282 | if (NewFn != F) |
Reid Spencer | 4283ac7 | 2006-01-19 01:18:29 +0000 | [diff] [blame] | 283 | F->eraseFromParent(); |
| 284 | return true; |
| 285 | } |
Reid Spencer | e86bf51 | 2006-01-16 21:06:01 +0000 | [diff] [blame] | 286 | return false; |
| 287 | } |