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author | Eric Christopher <echristo@gmail.com> | 2019-04-18 06:17:40 +0000 |
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committer | Eric Christopher <echristo@gmail.com> | 2019-04-18 06:17:40 +0000 |
commit | eff3b6fe7f69abe7dc6b8a63fd5623cb89cdc501 (patch) | |
tree | f80eb57f902d29bcf3e7fcba8481e6d92a909145 /llvm/lib/Passes | |
parent | 7c55c8d8c347c718dbe359cda064392de5fbf3e7 (diff) | |
download | bcm5719-llvm-eff3b6fe7f69abe7dc6b8a63fd5623cb89cdc501.tar.gz bcm5719-llvm-eff3b6fe7f69abe7dc6b8a63fd5623cb89cdc501.zip |
Elaborate why we have an option on by default for enabling chr.
llvm-svn: 358641
Diffstat (limited to 'llvm/lib/Passes')
-rw-r--r-- | llvm/lib/Passes/PassBuilder.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp index 074abebb142..92d6dbc2b5a 100644 --- a/llvm/lib/Passes/PassBuilder.cpp +++ b/llvm/lib/Passes/PassBuilder.cpp @@ -209,6 +209,8 @@ static cl::opt<bool> EnableSyntheticCounts( static Regex DefaultAliasRegex( "^(default|thinlto-pre-link|thinlto|lto-pre-link|lto)<(O[0123sz])>$"); +// This option is used in simplifying testing SampleFDO optimizations for +// profile loading. static cl::opt<bool> EnableCHR("enable-chr-npm", cl::init(true), cl::Hidden, cl::desc("Enable control height reduction optimization (CHR)")); |