diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index bed8fee8bb..3814639062 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -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; } @@ -184,23 +186,52 @@ 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; - Constant *Zero = ConstantInt::get(Type::Int32Ty, 0); - Idxs.push_back(Zero); - Idxs.push_back(Zero); - Idxs.push_back(Zero); - Idxs.push_back(Zero); - Value *ZeroV = ConstantVector::get(Idxs); - - Idxs.clear(); - Idxs.push_back(ConstantInt::get(Type::Int32Ty, 4)); - Idxs.push_back(ConstantInt::get(Type::Int32Ty, 5)); - 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); + 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); + Idxs.push_back(Zero); + Idxs.push_back(Zero); + Value *ZeroV = ConstantVector::get(Idxs); + + Idxs.clear(); + Idxs.push_back(ConstantInt::get(Type::Int32Ty, 4)); + Idxs.push_back(ConstantInt::get(Type::Int32Ty, 5)); + Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2)); + Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3)); + Value *Mask = ConstantVector::get(Idxs); + 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 |