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Mirror of https://github.com/RPCS3/llvm-mirror
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Summary: With instrumentation profiling, when updating the VP metadata after an inline, VP metadata on the inlined copy was inadvertantly having all counts zeroed out. This was causing indirect calls from code inlined during the call step to be marked as cold in the ThinLTO summaries and not imported. The CallerBFI needs to be passed down so that the CallSiteCount can be computed from the profile summary info. With Sample PGO this was working since the count is extracted from the branch weight metadata on the call being inlined (even before we stopped looking at metadata for non-sample PGO in r302844 this largely wasn't working for instrumentation PGO since only promoted indirect calls would be getting inlined and have the metadata). Added an instrumentation PGO test and renamed the sample PGO test. Reviewers: danielcdh, eraman Subscribers: mehdi_amini, llvm-commits Differential Revision: https://reviews.llvm.org/D33389 llvm-svn: 303574 |
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