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| author | Tobias Edler von Koch <tobias@codeaurora.org> | 2017-07-28 23:43:22 +0000 |
|---|---|---|
| committer | Tobias Edler von Koch <tobias@codeaurora.org> | 2017-07-28 23:43:22 +0000 |
| commit | c99ec6347b9821b7dc7d1afe9fca92b463205204 (patch) | |
| tree | 580e864a085fa26cdf87b898c9558493f7dd3ea1 /tools/llvm-lto2 | |
| parent | b2a9fcdbed0ae55b0caba63a67f9ed04306ebd0d (diff) | |
[LTO] llvm-lto2: Add option to load sample profile
Summary:
This exposes LTO's Conf.SampleProfile as a command line option
(-lto-sample-profile-file) for testing via the llvm-lto2 utility.
Reviewers: pcc, danielcdh
Subscribers: mehdi_amini, inglorion, llvm-commits
Differential Revision: https://reviews.llvm.org/D36030
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@309456 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/llvm-lto2')
| -rw-r--r-- | tools/llvm-lto2/llvm-lto2.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/llvm-lto2/llvm-lto2.cpp b/tools/llvm-lto2/llvm-lto2.cpp index fac3fe49d67..da2703fd50a 100644 --- a/tools/llvm-lto2/llvm-lto2.cpp +++ b/tools/llvm-lto2/llvm-lto2.cpp @@ -100,6 +100,10 @@ static cl::opt<bool> OptRemarksWithHotness( cl::desc("Whether to include hotness informations in the remarks.\n" "Has effect only if -pass-remarks-output is specified.")); +static cl::opt<std::string> + SamplePGOFile("lto-sample-profile-file", + cl::desc("Specify a SamplePGO profile file")); + static cl::opt<bool> UseNewPM("use-new-pm", cl::desc("Run LTO passes using the new pass manager"), @@ -199,6 +203,8 @@ static int run(int argc, char **argv) { Conf.RemarksFilename = OptRemarksOutput; Conf.RemarksWithHotness = OptRemarksWithHotness; + Conf.SampleProfile = SamplePGOFile; + // Run a custom pipeline, if asked for. Conf.OptPipeline = OptPipeline; Conf.AAPipeline = AAPipeline; |