RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-11-26 05:00:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Autoupgrade x86.sse2.loadh.pd and x86.sse2.loadl.pd.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51523 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-05-24 00:08:39 +00:00
parent 999dbe6bbc
commit 4797f61657
3 changed files with 52 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
lib/VMCore/AutoUpgrade.cpp
View File

@ -148,8 +148,10 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
VT,
(Type *)0));
return true;
} else if (Name.compare(5,16,"x86.sse2.movl.dq",16) == 0) {
// Calls to this intrinsic are transformed into ShuffleVector's.
} else if (Name.compare(5,17,"x86.sse2.loadh.pd",17) == 0 ||
Name.compare(5,17,"x86.sse2.loadl.pd",17) == 0 ||
Name.compare(5,16,"x86.sse2.movl.dq",16) == 0) {
// Calls to these intrinsics are transformed into ShuffleVector's.
NewFn = 0;
return true;
}
@ -184,8 +186,37 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
assert(F && "CallInst has no function associated with it.");
if (!NewFn) {
if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0) {
bool isLoadH = false, isLoadL = false, isMovL = false;
if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadh.pd") == 0)
isLoadH = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadl.pd") == 0)
isLoadL = true;
else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0)
isMovL = true;
if (isLoadH || isLoadL || isMovL) {
std::vector<Constant*> Idxs;
Value *Op0 = CI->getOperand(1);
ShuffleVectorInst *SI;
if (isLoadH || isLoadL) {
Value *Op1 = UndefValue::get(Op0->getType());
Value *Addr = new BitCastInst(CI->getOperand(2),
PointerType::getUnqual(Type::DoubleTy),
"upgraded.", CI);
Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
Value *Idx = ConstantInt::get(Type::Int32Ty, 0);
Op1 = InsertElementInst::Create(Op1, Load, Idx, "upgraded.", CI);
if (isLoadH) {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 0));
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
} else {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
}
Value *Mask = ConstantVector::get(Idxs);
SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
} else {
Constant *Zero = ConstantInt::get(Type::Int32Ty, 0);
Idxs.push_back(Zero);
Idxs.push_back(Zero);
@ -199,8 +230,8 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
Value *Mask = ConstantVector::get(Idxs);
ShuffleVectorInst *SI = new ShuffleVectorInst(ZeroV, CI->getOperand(1),
Mask, "upgraded", CI);
SI = new ShuffleVectorInst(ZeroV, Op0, Mask, "upgraded.", CI);
}
// Handle any uses of the old CallInst.
if (!CI->use_empty())
@ -233,7 +264,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
// Cast the second parameter to the correct type.
BitCastInst *BC = new BitCastInst(CI->getOperand(2),
NewFn->getFunctionType()->getParamType(1),
"upgraded", CI);
"upgraded.", CI);
Operands[1] = BC;
// Construct a new CallInst

2
test/Bitcode/sse2_loadl_pd.ll Normal file
View File

@ -0,0 +1,2 @@
; RUN: llvm-dis < %s.bc | not grep {i32 @llvm\\.loadl.pd}
; RUN: llvm-dis < %s.bc | grep shufflevector

BIN
test/Bitcode/sse2_loadl_pd.ll.bc Normal file
View File

Binary file not shown.