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remove some old autoupgrade logic

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-11-27 06:10:54 +00:00
parent 9d5f6ccd26
commit 663aebf8d6
4 changed files with 1 additions and 279 deletions
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lib/VMCore/AutoUpgrade.cpp
+1 -80
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@@ -107,38 +107,6 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
}
break;
case 'x': {
const char *NewFnName = NULL;
// This fixes the poorly named crc32 intrinsics.
if (Name == "x86.sse42.crc32.8")
NewFnName = "llvm.x86.sse42.crc32.32.8";
else if (Name == "x86.sse42.crc32.16")
NewFnName = "llvm.x86.sse42.crc32.32.16";
else if (Name == "x86.sse42.crc32.32")
NewFnName = "llvm.x86.sse42.crc32.32.32";
else if (Name == "x86.sse42.crc64.8")
NewFnName = "llvm.x86.sse42.crc32.64.8";
else if (Name == "x86.sse42.crc64.64")
NewFnName = "llvm.x86.sse42.crc32.64.64";
if (NewFnName) {
F->setName(NewFnName);
NewFn = F;
return true;
}
// Calls to these instructions are transformed into unaligned loads.
if (Name == "x86.sse.loadu.ps" || Name == "x86.sse2.loadu.dq" ||
Name == "x86.sse2.loadu.pd")
return true;
// Calls to these instructions are transformed into nontemporal stores.
if (Name == "x86.sse.movnt.ps" || Name == "x86.sse2.movnt.dq" ||
Name == "x86.sse2.movnt.pd" || Name == "x86.sse2.movnt.i")
return true;
break;
}
}
// This may not belong here. This function is effectively being overloaded
@@ -176,54 +144,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
assert(F && "CallInst has no function associated with it.");
if (!NewFn) {
if (F->getName() == "llvm.x86.sse.loadu.ps" ||
F->getName() == "llvm.x86.sse2.loadu.dq" ||
F->getName() == "llvm.x86.sse2.loadu.pd") {
// Convert to a native, unaligned load.
Type *VecTy = CI->getType();
Type *IntTy = IntegerType::get(C, 128);
IRBuilder<> Builder(C);
Builder.SetInsertPoint(CI->getParent(), CI);
Value *BC = Builder.CreateBitCast(CI->getArgOperand(0),
PointerType::getUnqual(IntTy),
"cast");
LoadInst *LI = Builder.CreateLoad(BC, CI->getName());
LI->setAlignment(1); // Unaligned load.
BC = Builder.CreateBitCast(LI, VecTy, "new.cast");
// Fix up all the uses with our new load.
if (!CI->use_empty())
CI->replaceAllUsesWith(BC);
// Remove intrinsic.
CI->eraseFromParent();
} else if (F->getName() == "llvm.x86.sse.movnt.ps" ||
F->getName() == "llvm.x86.sse2.movnt.dq" ||
F->getName() == "llvm.x86.sse2.movnt.pd" ||
F->getName() == "llvm.x86.sse2.movnt.i") {
IRBuilder<> Builder(C);
Builder.SetInsertPoint(CI->getParent(), CI);
Module *M = F->getParent();
SmallVector<Value *, 1> Elts;
Elts.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
MDNode *Node = MDNode::get(C, Elts);
Value *Arg0 = CI->getArgOperand(0);
Value *Arg1 = CI->getArgOperand(1);
// Convert the type of the pointer to a pointer to the stored type.
Value *BC = Builder.CreateBitCast(Arg0,
PointerType::getUnqual(Arg1->getType()),
"cast");
StoreInst *SI = Builder.CreateStore(Arg1, BC);
SI->setMetadata(M->getMDKindID("nontemporal"), Node);
SI->setAlignment(16);
// Remove intrinsic.
CI->eraseFromParent();
} else if (F->getName().startswith("llvm.atomic.cmp.swap")) {
if (F->getName().startswith("llvm.atomic.cmp.swap")) {
IRBuilder<> Builder(C);
Builder.SetInsertPoint(CI->getParent(), CI);
Value *Val = Builder.CreateAtomicCmpXchg(CI->getArgOperand(0),