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| author | Evan Cheng <evan.cheng@apple.com> | 2008-12-05 01:06:39 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-12-05 01:06:39 +0000 |
| commit | ae94e594164b193236002516970aeec4c4574768 (patch) | |
| tree | 00f4a5e3d57725f8b01a1ca106e61cba657d8ded /lib/Target/ARM/ARMISelLowering.cpp | |
| parent | cd730fa3377ba9f019c810c3181390960b85e831 (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60571 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 69452c1360..02a0ed624d 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -830,9 +830,12 @@ SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op, /// GVIsIndirectSymbol - true if the GV will be accessed via an indirect symbol /// even in non-static mode. static bool GVIsIndirectSymbol(GlobalValue *GV, Reloc::Model RelocM) { - return RelocM != Reloc::Static && - (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || - (GV->isDeclaration() && !GV->hasNotBeenReadFromBitcode())); + // 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 RelocM != Reloc::Static && (isDecl || GV->mayBeOverridden()); } SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op, |