| commit | fd12a0b20b12b0199011fb3903aa1f8ca4b387f5 | [log] [tgz] |
|---|---|---|
| author | Nick Lewycky <nicholas@mxc.ca> | Sat May 31 17:10:28 2008 +0000 |
| committer | Nick Lewycky <nicholas@mxc.ca> | Sat May 31 17:10:28 2008 +0000 |
| tree | 316cbc3d5c50bf5c5c91b7ef02779bc339cfdfa7 | |
| parent | 310d2eb202cf51dd03b4ef05893f6fd0203d7d52 [diff] [blame] |
Adding i1 is always Xor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51816 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 74e6b6f..5199578 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -2551,6 +2551,9 @@ bool Changed = SimplifyCommutative(I); Value *LHS = I.getOperand(0), *RHS = I.getOperand(1); + if (I.getType() == Type::Int1Ty) + return BinaryOperator::CreateXor(LHS, RHS); + if (Constant *RHSC = dyn_cast<Constant>(RHS)) { // X + undef -> undef if (isa<UndefValue>(RHS))