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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2016-01-15 18:23:46 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2016-01-15 18:23:46 +0000 |
| commit | 79db917139bb0314b5e53a18996d84c57eeeb2fb (patch) | |
| tree | 0f639d14b297840d3b1f4c6f30ca01f0b07eb742 /llvm/lib/CodeGen/Analysis.cpp | |
| parent | 06a9b6f5d183ef197cd387a840b577fd53803f8a (diff) | |
| download | llvm-79db917139bb0314b5e53a18996d84c57eeeb2fb.zip llvm-79db917139bb0314b5e53a18996d84c57eeeb2fb.tar.gz llvm-79db917139bb0314b5e53a18996d84c57eeeb2fb.tar.bz2 | |
Don't try to check all uses if lazy loading.
This means that LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN will not be set
in a few cases.
This should have no impact in ld64 since it doesn't use lazy loading
when merging modules and that is when it checks
LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN.
llvm-svn: 257915
Diffstat (limited to 'llvm/lib/CodeGen/Analysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/Analysis.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp index 75579a2..97b692f 100644 --- a/llvm/lib/CodeGen/Analysis.cpp +++ b/llvm/lib/CodeGen/Analysis.cpp @@ -639,6 +639,11 @@ bool llvm::canBeOmittedFromSymbolTable(const GlobalValue *GV) { if (isa<GlobalAlias>(GV)) return false; + // If we don't see every use, we have to be conservative and assume the value + // address is significant. + if (GV->getParent()->getMaterializer()) + return false; + GlobalStatus GS; if (GlobalStatus::analyzeGlobal(GV, GS)) return false; |