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| author | Mehdi Amini <mehdi.amini@apple.com> | 2016-04-14 08:46:22 +0000 |
|---|---|---|
| committer | Mehdi Amini <mehdi.amini@apple.com> | 2016-04-14 08:46:22 +0000 |
| commit | 8dcc8080ce2f3fed3135766af6b49b98e9b0b2d6 (patch) | |
| tree | 32882bb4342694c0480e0c25f32640bb977f9665 | |
| parent | 0a3508a8d39746b070f9ad4e3aabe3e0c3fbeed8 (diff) | |
| download | bcm5719-llvm-8dcc8080ce2f3fed3135766af6b49b98e9b0b2d6.tar.gz bcm5719-llvm-8dcc8080ce2f3fed3135766af6b49b98e9b0b2d6.zip | |
ThinLTO: linkonce compile-time optimization, do not bother when there is only one input file
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266281
| -rw-r--r-- | llvm/lib/LTO/ThinLTOCodeGenerator.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp index fea1c7fb8fa..c9e91eb2202 100644 --- a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp +++ b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp @@ -173,6 +173,10 @@ static void ResolveODR(GlobalValue &GV, const ModuleSummaryIndex &Index, /// one copy. static void ResolveODR(Module &TheModule, const ModuleSummaryIndex &Index) { + if (Index.modulePaths().size() == 1) + // Nothing to do if we don't have multiple modules + return; + // We won't optimize the globals that are referenced by an alias for now // Ideally we should turn the alias into a global and duplicate the definition // when needed. |
