[llvm] [ConstraintElim] Simplify `MinMaxIntrinsic` (PR #75306)
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 28 03:20:55 PST 2023
================
@@ -1349,6 +1351,47 @@ static bool checkAndReplaceCondition(
return false;
}
+static bool checkAndReplaceMinMax(MinMaxIntrinsic *MinMax, ConstraintInfo &Info,
+ unsigned NumIn, unsigned NumOut,
+ Instruction *ContextInst,
+ Module *ReproducerModule,
+ ArrayRef<ReproducerEntry> ReproducerCondStack,
+ DominatorTree &DT,
+ SmallVectorImpl<Instruction *> &ToRemove) {
+ auto ReplaceMinMaxWithOperand = [&](MinMaxIntrinsic *MinMax, bool UseLHS) {
+ // TODO: generate reproducer for min/max.
+ MinMax->replaceUsesWithIf(MinMax->getOperand(UseLHS ? 0 : 1),
----------------
fhahn wrote:
As the current version doesn't try to simplify uses, it should be possible to just use `replaceAllUsesWith` here for now?
https://github.com/llvm/llvm-project/pull/75306
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