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Fix lowering to work correctly

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14134 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-06-11 02:54:02 +00:00
parent 86ee776681
commit 02348caffc
2 changed files with 24 additions and 6 deletions
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15
lib/CodeGen/IntrinsicLowering.cpp
View File

@ -69,7 +69,14 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
std::string Name = CI->getName(); CI->setName("");
if (FT->getReturnType() == Type::VoidTy) Name.clear();
return new CallInst(FCache, Operands, Name, CI);
CallInst *NewCI = new CallInst(FCache, Operands, Name, CI);
if (!CI->use_empty()) {
Value *V = NewCI;
if (CI->getType() != NewCI->getType())
V = new CastInst(NewCI, CI->getType(), Name, CI);
CI->replaceAllUsesWith(V);
}
return NewCI;
}
void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
@ -98,7 +105,9 @@ void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
EnsureFunctionExists(M, "memset", I->abegin(), --I->aend(),
I->abegin()->getType());
break;
case Intrinsic::isnan:
EnsureFunctionExists(M, "isnan", I->abegin(), I->aend(), Type::BoolTy);
break;
}
}
@ -196,7 +205,7 @@ void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
// multiple isnans for different FP arguments.
static Function *isnanFCache = 0;
ReplaceCallWith("isnan", CI, CI->op_begin()+1, CI->op_end(),
(*(CI->op_begin()+1))->getType(), isnanFCache);
Type::BoolTy, isnanFCache);
break;
}
}

15
lib/VMCore/IntrinsicLowering.cpp
View File

@ -69,7 +69,14 @@ static CallInst *ReplaceCallWith(const char *NewFn, CallInst *CI,
std::string Name = CI->getName(); CI->setName("");
if (FT->getReturnType() == Type::VoidTy) Name.clear();
return new CallInst(FCache, Operands, Name, CI);
CallInst *NewCI = new CallInst(FCache, Operands, Name, CI);
if (!CI->use_empty()) {
Value *V = NewCI;
if (CI->getType() != NewCI->getType())
V = new CastInst(NewCI, CI->getType(), Name, CI);
CI->replaceAllUsesWith(V);
}
return NewCI;
}
void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
@ -98,7 +105,9 @@ void DefaultIntrinsicLowering::AddPrototypes(Module &M) {
EnsureFunctionExists(M, "memset", I->abegin(), --I->aend(),
I->abegin()->getType());
break;
case Intrinsic::isnan:
EnsureFunctionExists(M, "isnan", I->abegin(), I->aend(), Type::BoolTy);
break;
}
}
@ -196,7 +205,7 @@ void DefaultIntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
// multiple isnans for different FP arguments.
static Function *isnanFCache = 0;
ReplaceCallWith("isnan", CI, CI->op_begin()+1, CI->op_end(),
(*(CI->op_begin()+1))->getType(), isnanFCache);
Type::BoolTy, isnanFCache);
break;
}
}