diff options
Diffstat (limited to 'lib/CodeGen/IntrinsicLowering.cpp')
| -rw-r--r-- | lib/CodeGen/IntrinsicLowering.cpp | 71 |
1 files changed, 33 insertions, 38 deletions
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp index 320c5a5751..51879daa7c 100644 --- a/lib/CodeGen/IntrinsicLowering.cpp +++ b/lib/CodeGen/IntrinsicLowering.cpp @@ -356,45 +356,29 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { case Intrinsic::dbg_declare: break; // Simply strip out debugging intrinsics - case Intrinsic::memcpy_i32: { - static Constant *MemcpyFCache = 0; - Value * Size = cast<Value>(CI->op_end()-1); - if (Size->getType() != TD.getIntPtrType()) - Size->replaceAllUsesWith(new ZExtInst(Size, TD.getIntPtrType())); - ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemcpyFCache); - break; - } + case Intrinsic::memcpy_i32: case Intrinsic::memcpy_i64: { static Constant *MemcpyFCache = 0; - Value * Size = cast<Value>(CI->op_end()-1); - if (Size->getType() != TD.getIntPtrType()) - Size->replaceAllUsesWith(new TruncInst(Size, TD.getIntPtrType())); - ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemcpyFCache); - break; - } - case Intrinsic::memmove_i32: { - static Constant *MemmoveFCache = 0; - Value * Size = cast<Value>(CI->op_end()-1); - if (Size->getType() != TD.getIntPtrType()) - Size->replaceAllUsesWith(new ZExtInst(Size, TD.getIntPtrType())); - ReplaceCallWith("memmove", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemmoveFCache); + Value *Size = CI->getOperand(3); + const Type *IntPtr = TD.getIntPtrType(); + if (Size->getType()->getPrimitiveSizeInBits() < + IntPtr->getPrimitiveSizeInBits()) + Size = new ZExtInst(Size, IntPtr, "", CI); + else if (Size->getType()->getPrimitiveSizeInBits() > + IntPtr->getPrimitiveSizeInBits()) + Size = new TruncInst(Size, IntPtr, "", CI); + Value *Ops[3]; + Ops[0] = CI->getOperand(1); + Ops[1] = CI->getOperand(2); + Ops[2] = Size; + ReplaceCallWith("memcpy", CI, Ops, Ops+3, CI->getOperand(1)->getType(), + MemcpyFCache); break; } + case Intrinsic::memmove_i32: case Intrinsic::memmove_i64: { static Constant *MemmoveFCache = 0; - Value * Size = cast<Value>(CI->op_end()-1); - if (Size->getType() != TD.getIntPtrType()) - Size->replaceAllUsesWith(new TruncInst(Size, TD.getIntPtrType())); - ReplaceCallWith("memmove", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemmoveFCache); - break; - } - case Intrinsic::memset_i32: { - static Constant *MemsetFCache = 0; - Value *Size = cast<Value>(CI->op_end()-1); + Value *Size = CI->getOperand(3); const Type *IntPtr = TD.getIntPtrType(); if (Size->getType()->getPrimitiveSizeInBits() < IntPtr->getPrimitiveSizeInBits()) @@ -402,12 +386,18 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { else if (Size->getType()->getPrimitiveSizeInBits() > IntPtr->getPrimitiveSizeInBits()) Size = new TruncInst(Size, IntPtr, "", CI); - ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemsetFCache); + Value *Ops[3]; + Ops[0] = CI->getOperand(1); + Ops[1] = CI->getOperand(2); + Ops[2] = Size; + ReplaceCallWith("memmove", CI, Ops, Ops+3, CI->getOperand(1)->getType(), + MemmoveFCache); + break; } + case Intrinsic::memset_i32: case Intrinsic::memset_i64: { static Constant *MemsetFCache = 0; - Value *Size = cast<Value>(CI->op_end()-1); + Value *Size = CI->getOperand(3); const Type *IntPtr = TD.getIntPtrType(); if (Size->getType()->getPrimitiveSizeInBits() < IntPtr->getPrimitiveSizeInBits()) @@ -415,8 +405,13 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { else if (Size->getType()->getPrimitiveSizeInBits() > IntPtr->getPrimitiveSizeInBits()) Size = new TruncInst(Size, IntPtr, "", CI); - ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1, - (*(CI->op_begin()+1))->getType(), MemsetFCache); + Value *Ops[3]; + Ops[0] = CI->getOperand(1); + // Extend the amount to i32. + Ops[1] = new ZExtInst(CI->getOperand(2), Type::Int32Ty, "", CI); + Ops[2] = Size; + ReplaceCallWith("memset", CI, Ops, Ops+3, CI->getOperand(1)->getType(), + MemsetFCache); break; } case Intrinsic::sqrt_f32: { |