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Make all darwin ppc stubs local.

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This fixes pr15763.
Patch by David Fang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180657 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-27 00:43:16 +00:00
parent a5b314c27a
commit 5b0ce3570c
2 changed files with 14 additions and 6 deletions
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10
lib/Target/PowerPC/PPCMCInstLower.cpp
View File

@@ -14,6 +14,7 @@
#include "PPC.h" #include "PPC.h"
#include "llvm/ADT/SmallString.h" #include "llvm/ADT/SmallString.h"
#include "llvm/ADT/Twine.h"
#include "llvm/CodeGen/AsmPrinter.h" #include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h" #include "llvm/CodeGen/MachineModuleInfoImpls.h"
@@ -51,7 +52,14 @@ static MCSymbol *GetSymbolFromOperand(const MachineOperand &MO, AsmPrinter &AP){
// before we return the symbol. // before we return the symbol.
if (MO.getTargetFlags() == PPCII::MO_DARWIN_STUB) { if (MO.getTargetFlags() == PPCII::MO_DARWIN_STUB) {
Name += "$stub"; Name += "$stub";
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Name.str()); const char *PGP = AP.MAI->getPrivateGlobalPrefix();
const char *Prefix = "";
if (!Name.startswith(PGP)) {
// http://llvm.org/bugs/show_bug.cgi?id=15763
// all stubs and lazy_ptrs should be local symbols, which need leading 'L'
Prefix = PGP;
}
MCSymbol *Sym = Ctx.GetOrCreateSymbol(Twine(Prefix) + Twine(Name));
MachineModuleInfoImpl::StubValueTy &StubSym = MachineModuleInfoImpl::StubValueTy &StubSym =
getMachOMMI(AP).getFnStubEntry(Sym); getMachOMMI(AP).getFnStubEntry(Sym);
if (StubSym.getPointer()) if (StubSym.getPointer())

10
test/CodeGen/PowerPC/stubs.ll
View File

@@ -6,16 +6,16 @@ entry:
} }
; CHECK: _test1: ; CHECK: _test1:
; CHECK: bl ___floatditf$stub ; CHECK: bl L___floatditf$stub
; CHECK: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16 ; CHECK: .section __TEXT,__symbol_stub1,symbol_stubs,pure_instructions,16
; CHECK: ___floatditf$stub: ; CHECK: L___floatditf$stub:
; CHECK: .indirect_symbol ___floatditf ; CHECK: .indirect_symbol ___floatditf
; CHECK: lis r11, ha16(___floatditf$lazy_ptr) ; CHECK: lis r11, ha16(L___floatditf$lazy_ptr)
; CHECK: lwzu r12, lo16(___floatditf$lazy_ptr)(r11) ; CHECK: lwzu r12, lo16(L___floatditf$lazy_ptr)(r11)
; CHECK: mtctr r12 ; CHECK: mtctr r12
; CHECK: bctr ; CHECK: bctr
; CHECK: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers ; CHECK: .section __DATA,__la_symbol_ptr,lazy_symbol_pointers
; CHECK: ___floatditf$lazy_ptr: ; CHECK: L___floatditf$lazy_ptr:
; CHECK: .indirect_symbol ___floatditf ; CHECK: .indirect_symbol ___floatditf
; CHECK: .long dyld_stub_binding_helper ; CHECK: .long dyld_stub_binding_helper