[llvm] [SelectOpt] Add handling for Select-like operations. (PR #77284)

Sotiris Apostolakis via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 17 15:14:18 PST 2024


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@@ -378,6 +378,15 @@ class TargetTransformInfoImplBase {
 
   bool enableSelectOptimize() const { return true; }
 
+  bool shouldTreatInstructionLikeSelect(Instruction *I) {
+    // If the select is a logical-and/logical-or then it is better treated as a
+    // and/or by the backend.
+    using namespace llvm::PatternMatch;
+    return isa<SelectInst>(I) &&
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sapostolakis wrote:

the added EnableOrLikeSelectOpt resolved my issue here

https://github.com/llvm/llvm-project/pull/77284


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