diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp index 00f99741259..99b62f8d05a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp @@ -544,11 +544,6 @@ Instruction *InstCombiner::visitSub(BinaryOperator &I) { if (Instruction *R = FoldOpIntoSelect(I, SI)) return R; - // C - zext(bool) -> bool ? C - 1 : C - if (ZExtInst *ZI = dyn_cast<ZExtInst>(Op1)) - if (ZI->getSrcTy()->isIntegerTy(1)) - return SelectInst::Create(ZI->getOperand(0), SubOne(C), C); - // C-(X+C2) --> (C-C2)-X ConstantInt *C2; if (match(Op1, m_Add(m_Value(X), m_ConstantInt(C2)))) |
