[llvm] [InstCombine] optimize powi(X,Y)/X with Ofast (PR #67236)
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Tue Oct 17 06:01:16 PDT 2023
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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->
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git-clang-format --diff 12bf4231eb0d4685b9d8152352fbd15ac9fb528b 0a315069a4e627643e13681053dfbe21a924b6a6 -- llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
index 0e7657ba84c4..3cb1be5dd074 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -1771,8 +1771,8 @@ Instruction *InstCombinerImpl::visitFDiv(BinaryOperator &I) {
if (I.hasAllowReassoc() && I.hasNoNaNs() &&
match(Op0, m_OneUse(m_Intrinsic<Intrinsic::powi>(m_Specific(Op1),
m_Value(Y)))) &&
- computeOverflowForSignedSub(Y, ConstantInt::get(Y->getType(), 1),
- &I) == OverflowResult::NeverOverflows) {
+ computeOverflowForSignedSub(Y, ConstantInt::get(Y->getType(), 1), &I) ==
+ OverflowResult::NeverOverflows) {
Constant *NegOne = ConstantInt::getAllOnesValue(Y->getType());
Value *Y1 = Builder.CreateAdd(Y, NegOne);
Type *Types[] = {Op1->getType(), Y1->getType()};
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https://github.com/llvm/llvm-project/pull/67236
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