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101094
2010 Jul 06
2
[LLVMdev] ConstantFold 'undef xor undef'
Hi,
At line 2292, lib/VMCore/ConstantFold.cpp (llvm2.7 release)
Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
Constant *C1, Constant *C2) {
...
// Handle UndefValue up front.
if (isa<UndefValue>(C1) || isa<UndefValue>(C2)) {
switch (Opcode) {
case Instruction::Xor:
if (isa<UndefValue>(C1)