SamplePGO - Fix PR 25482 - Do not rely on llvm.dbg.cu for discriminators

[oota-llvm.git] / test / Transforms / AddDiscriminators / first-only.ll

diff --git a/test/Transforms/AddDiscriminators/first-only.ll b/test/Transforms/AddDiscriminators/first-only.ll
index f9ea7cb85410c1fb4879e3669f65d17d981635b7..20d88b55e96ecb5c31a6a2aecf8190d9354fcbf3 100644 (file)
--- a/test/Transforms/AddDiscriminators/first-only.ll
+++ b/test/Transforms/AddDiscriminators/first-only.ll
@@ -46,7 +46,11 @@ if.end:                                           ; preds = %if.then, %entry
 
 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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}
+; We should be able to add discriminators even in the absence of llvm.dbg.cu.
+; When using sample profiles, the front end will generate line tables but it
+; does not generate llvm.dbg.cu to prevent codegen from emitting debug info
+; to the final binary.
+; !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!7, !8}
 !llvm.ident = !{!9}