[PATCH] D138854: [AIX][LTO] Enabling Context Sensitive PGO Options

[Qiongsi Wu via Phabricator via cfe-commits]

qiongsiwu1 created this revision.
qiongsiwu1 added reviewers: w2yehia, MaskRay.
qiongsiwu1 added projects: clang, LLVM.
Herald added subscribers: ormris, StephenFan, wenlei, steven_wu, hiraditya, inglorion.
Herald added a project: All.
qiongsiwu1 requested review of this revision.
Herald added subscribers: llvm-commits, cfe-commits.

This patch enables context sensitive PGO (CSPGO) for LTO on AIX. Two parts are involved:

1. Frontend logic is added so libLTO can understand the CSPGO related options.
2. Two options are added to the backend so that the LTOCodeGenerator can understand the CSPGO related options and make use of them.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138854

Files:
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/test/Driver/lto-aix.c
  llvm/lib/LTO/LTOCodeGenerator.cpp

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