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Revert r100191 since it breaks objc in clang

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100199 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2010-04-02 18:43:02 +00:00
parent e33c848fa4
commit e754d3fb85
28 changed files with 143 additions and 314 deletions
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lib/VMCore/AutoUpgrade.cpp
-70
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@@ -145,54 +145,6 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
}
break;
case 'm': {
// This upgrades the llvm.memcpy, llvm.memmove, and llvm.memset to the
// new format that allows overloading the pointer for different address
// space (e.g., llvm.memcpy.i16 => llvm.memcpy.p0i8.p0i8.i16)
const char* NewFnName = NULL;
if (Name.compare(5,8,"memcpy.i",8) == 0) {
if (Name[13] == '8')
NewFnName = "llvm.memcpy.p0i8.p0i8.i8";
else if (Name.compare(13,2,"16") == 0)
NewFnName = "llvm.memcpy.p0i8.p0i8.i16";
else if (Name.compare(13,2,"32") == 0)
NewFnName = "llvm.memcpy.p0i8.p0i8.i32";
else if (Name.compare(13,2,"64") == 0)
NewFnName = "llvm.memcpy.p0i8.p0i8.i64";
} else if (Name.compare(5,9,"memmove.i",9) == 0) {
if (Name[14] == '8')
NewFnName = "llvm.memmove.p0i8.p0i8.i8";
else if (Name.compare(14,2,"16") == 0)
NewFnName = "llvm.memmove.p0i8.p0i8.i16";
else if (Name.compare(14,2,"32") == 0)
NewFnName = "llvm.memmove.p0i8.p0i8.i32";
else if (Name.compare(14,2,"64") == 0)
NewFnName = "llvm.memmove.p0i8.p0i8.i64";
}
else if (Name.compare(5,8,"memset.i",8) == 0) {
if (Name[13] == '8')
NewFnName = "llvm.memset.p0i8.i8";
else if (Name.compare(13,2,"16") == 0)
NewFnName = "llvm.memset.p0i8.i16";
else if (Name.compare(13,2,"32") == 0)
NewFnName = "llvm.memset.p0i8.i32";
else if (Name.compare(13,2,"64") == 0)
NewFnName = "llvm.memset.p0i8.i64";
}
if (NewFnName) {
const FunctionType *FTy = F->getFunctionType();
NewFn = cast<Function>(M->getOrInsertFunction(NewFnName,
FTy->getReturnType(),
FTy->getParamType(0),
FTy->getParamType(1),
FTy->getParamType(2),
FTy->getParamType(3),
Type::getInt1Ty(F->getContext()),
(Type *)0));
return true;
}
break;
}
case 'p':
// This upgrades the llvm.part.select overloaded intrinsic names to only
// use one type specifier in the name. We only care about the old format
@@ -520,28 +472,6 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
CI->eraseFromParent();
}
break;
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset: {
// Add isVolatile
const llvm::Type *I1Ty = llvm::Type::getInt1Ty(CI->getContext());
Value *Operands[5] = { CI->getOperand(1), CI->getOperand(2),
CI->getOperand(3), CI->getOperand(4),
llvm::ConstantInt::get(I1Ty, 0) };
CallInst *NewCI = CallInst::Create(NewFn, Operands, Operands+5,
CI->getName(), CI);
NewCI->setTailCall(CI->isTailCall());
NewCI->setCallingConv(CI->getCallingConv());
// Handle any uses of the old CallInst.
if (!CI->use_empty())
// Replace all uses of the old call with the new cast which has the
// correct type.
CI->replaceAllUsesWith(NewCI);
// Clean up the old call now that it has been completely upgraded.
CI->eraseFromParent();
break;
}
}
}