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Fix PR1181 and CodeGen/CBackend/2007-02-05-memset.ll
llvm-svn: 33957
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parent
9263720b2b
commit
fc117b2338
@ -394,17 +394,27 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
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}
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case Intrinsic::memset_i32: {
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static Constant *MemsetFCache = 0;
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Value * Size = cast<Value>(CI->op_end()-1);
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if (Size->getType() != TD.getIntPtrType())
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Size->replaceAllUsesWith(new ZExtInst(Size, TD.getIntPtrType()));
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Value *Size = cast<Value>(CI->op_end()-1);
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const Type *IntPtr = TD.getIntPtrType();
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if (Size->getType()->getPrimitiveSizeInBits() <
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IntPtr->getPrimitiveSizeInBits())
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Size = new ZExtInst(Size, IntPtr, "", CI);
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else if (Size->getType()->getPrimitiveSizeInBits() >
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IntPtr->getPrimitiveSizeInBits())
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Size = new TruncInst(Size, IntPtr, "", CI);
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ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
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(*(CI->op_begin()+1))->getType(), MemsetFCache);
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}
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case Intrinsic::memset_i64: {
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static Constant *MemsetFCache = 0;
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Value * Size = cast<Value>(CI->op_end()-1);
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if (Size->getType() != TD.getIntPtrType())
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Size->replaceAllUsesWith(new TruncInst(Size, TD.getIntPtrType()));
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Value *Size = cast<Value>(CI->op_end()-1);
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const Type *IntPtr = TD.getIntPtrType();
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if (Size->getType()->getPrimitiveSizeInBits() <
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IntPtr->getPrimitiveSizeInBits())
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Size = new ZExtInst(Size, IntPtr, "", CI);
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else if (Size->getType()->getPrimitiveSizeInBits() >
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IntPtr->getPrimitiveSizeInBits())
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Size = new TruncInst(Size, IntPtr, "", CI);
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ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
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(*(CI->op_begin()+1))->getType(), MemsetFCache);
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break;
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