================
@@ -1030,6 +1036,12 @@
PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
Phase != ThinOrFullLTOPhase::ThinLTOPostLink)
MPM.addPass(SampleProfileProbePass(TM));
+ // Instrument function entry and exit before all inlining.
+ if (!isLTOPostLink(Phase)) {
+ MPM.addPass(createModuleToFunctionPassAdaptor(
----------------
pasko wrote:
> the check for `Phase != ThinOrFullLTOPhase::FullLTOPostLink` is unnecessary,
> `buildModuleSimplificationPipeline` isn't called for FullLTO post link
Removed. Indeed there is an assertion for this a few lines prior.
> I'm not sure why you're seeing that behavior if we're only running the
> post-inline instrumenter once in the codegen pipeline
Apparently I made a mistake when building the reproducer. When checking today I
saw everything working as expected, i.e. <=1 bare hooks inserted per function
in the final DSO. Sorry for the noise.
https://github.com/llvm/llvm-project/pull/92171
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