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| author | Dehao Chen <dehao@google.com> | 2016-12-14 22:06:49 +0000 |
|---|---|---|
| committer | Dehao Chen <dehao@google.com> | 2016-12-14 22:06:49 +0000 |
| commit | 40dd8c510955de5bad344e3b31a325eb8481e292 (patch) | |
| tree | 42854b630575598998e3ba51bf0b9fe1d2c5d32d /llvm/lib/Transforms | |
| parent | fb699619a0530632028a63ea4f04a6b979712429 (diff) | |
| download | bcm5719-llvm-40dd8c510955de5bad344e3b31a325eb8481e292.tar.gz bcm5719-llvm-40dd8c510955de5bad344e3b31a325eb8481e292.zip | |
Only sets profile summary when it was not preset.
Summary: SampleProfileLoader pass may be invoked twice by LTO. The 2nd pass should not append more summary info as it is already preset by the 1st pass.
Reviewers: eraman, davidxl
Subscribers: mehdi_amini, llvm-commits
Differential Revision: https://reviews.llvm.org/D27733
llvm-svn: 289725
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/SampleProfile.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp index 30eda6b109e..6a43f8dbac4 100644 --- a/llvm/lib/Transforms/IPO/SampleProfile.cpp +++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp @@ -1315,7 +1315,8 @@ bool SampleProfileLoader::runOnModule(Module &M) { clearFunctionData(); retval |= runOnFunction(F); } - M.setProfileSummary(Reader->getSummary().getMD(M.getContext())); + if (M.getProfileSummary() == nullptr) + M.setProfileSummary(Reader->getSummary().getMD(M.getContext())); return retval; } |
