[llvm] [InstCombine] Fix the correctness of missing check reassoc attribute (PR #71277)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 6 21:24:16 PST 2023


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@@ -177,6 +177,15 @@ void Instruction::setNonNeg(bool b) {
                          (b * PossiblyNonNegInst::NonNeg);
 }
 
+bool Instruction::hasAllowReassocOfAllOperand() const {
+  return all_of(operands(), [](Value *V) {
+    if (!isa<IntrinsicInst>(V))
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arsenm wrote:

reassoc isn't a property of IntrinsicInst, but FPMathOperator 

https://github.com/llvm/llvm-project/pull/71277


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