[X86] Return true from trySADReplacement in the partial reduction pas…

…s when a change is made. Otherwise we don't signal to the pass manager that we changed IR.
llvm · May 14, 2020 · fa8c2ae · fa8c2ae
1 parent 6701993
commit fa8c2ae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/llvm/lib/Target/X86/X86PartialReduction.cpp b/llvm/lib/Target/X86/X86PartialReduction.cpp
@@ -405,7 +405,7 @@ bool X86PartialReduction::trySADReplacement(Value *Op, BinaryOperator *Add) {
   Add->setHasNoSignedWrap(false);
   Add->setHasNoUnsignedWrap(false);
 
-  return false;
+  return true;
 }
 
 bool X86PartialReduction::trySADPattern(BinaryOperator *BO) {