diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index d4278e3a7c7..fc1443a9be8 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -4835,9 +4835,11 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { if (ConstantInt *CI = dyn_cast<ConstantInt>(Op1)) { Value *A, *B; +#if 0 // (icmp cond (sub A B) 0) -> (icmp cond A B) if (CI->isNullValue() && match(Op0, m_Sub(m_Value(A), m_Value(B)))) return new ICmpInst(I.getPredicate(), A, B); +#endif switch (I.getPredicate()) { default: break; |
