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| author | Peter Collingbourne <peter@pcc.me.uk> | 2016-04-27 23:48:11 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2016-04-27 23:48:11 +0000 |
| commit | edf843248093d5d72882540613cede8cfd0a2dc3 (patch) | |
| tree | 891431dc3f548a41e1d14ee7e1c34f7b222295ae /llvm/lib | |
| parent | 8eccdad5ecf64ee5e7de261879fc78210d7769e1 (diff) | |
| download | bcm5719-llvm-edf843248093d5d72882540613cede8cfd0a2dc3.tar.gz bcm5719-llvm-edf843248093d5d72882540613cede8cfd0a2dc3.zip | |
LTO: Don't bother trying to mangle unnamed globals, as they can't be preserved with MustPreserveSymbols.
Summary: Should fix sanitizer-windows bot.
Reviewers: joker.eph
Subscribers: llvm-commits, joker.eph
Differential Revision: http://reviews.llvm.org/D19635
llvm-svn: 267820
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/LTO/LTOCodeGenerator.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp index 01304641598..1aa836780c0 100644 --- a/llvm/lib/LTO/LTOCodeGenerator.cpp +++ b/llvm/lib/LTO/LTOCodeGenerator.cpp @@ -381,6 +381,10 @@ void LTOCodeGenerator::applyScopeRestrictions() { // candidate GlobalValue if it can be internalized or not. SmallString<64> MangledName; auto mustPreserveGV = [&](const GlobalValue &GV) -> bool { + // Unnamed globals can't be mangled, but they can't be preserved either. + if (!GV.hasName()) + return false; + // Need to mangle the GV as the "MustPreserveSymbols" StringSet is filled // with the linker supplied name, which on Darwin includes a leading // underscore. |
