[NPM] Make AddDiscriminators pass required

This is to make sure the pass is not skipped at O0 where optnone is applied to functions by default.
llvm · Sep 8, 2021 · 79c00d3 · 79c00d3
1 parent 6cdca90
commit 79c00d3
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diff --git a/llvm/include/llvm/Transforms/Utils/AddDiscriminators.h b/llvm/include/llvm/Transforms/Utils/AddDiscriminators.h
@@ -24,6 +24,7 @@ class Function;
 class AddDiscriminatorsPass : public PassInfoMixin<AddDiscriminatorsPass> {
 public:
   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
+  static bool isRequired() { return true; }
 };
 
 } // end namespace llvm

diff --git a/llvm/test/Transforms/AddDiscriminators/basic.ll b/llvm/test/Transforms/AddDiscriminators/basic.ll
@@ -36,7 +36,7 @@ if.end:                                           ; preds = %if.then, %entry
 ; CHECK:   ret void, !dbg ![[END:[0-9]+]]
 }
 
-attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #0 = { nounwind uwtable noinline optnone "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!7, !8}