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Re-did 60519. It turns out Darwin's handling of hidden visibility symbols are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60571 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-12-05 01:06:39 +00:00
parent cd730fa337
commit ae94e59416
12 changed files with 203 additions and 55 deletions
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9
lib/Target/PowerPC/PPCSubtarget.cpp
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@ -141,8 +141,11 @@ bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV) const {
// We never hae stubs if HasLazyResolverStubs=false or if in static mode.
if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static)
return false;
// If symbol visibility is hidden, the extra load is not needed if
// the symbol is definitely defined in the current translation unit.
bool isDecl = GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode();
if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage())
return false;
return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
GV->hasCommonLinkage() ||
(GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode());
GV->hasCommonLinkage() || isDecl;
}