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| author | Roman Divacky <rdivacky@freebsd.org> | 2012-09-18 17:10:37 +0000 |
|---|---|---|
| committer | Roman Divacky <rdivacky@freebsd.org> | 2012-09-18 17:10:37 +0000 |
| commit | f145c135f3a28e2c59bd02e475fbf09f4157c9fb (patch) | |
| tree | 8a4e5b702e05d062befdbd1d87979acdd170b1ac /lib/Target/PowerPC/PPCAsmPrinter.cpp | |
| parent | 371d5d86bd70756d2066692114fec599c33baf92 (diff) | |
| download | llvm-f145c135f3a28e2c59bd02e475fbf09f4157c9fb.tar.gz llvm-f145c135f3a28e2c59bd02e475fbf09f4157c9fb.tar.bz2 llvm-f145c135f3a28e2c59bd02e475fbf09f4157c9fb.tar.xz | |
Avoid symbol name clash when filling TOC.
Patch by Adhemerval Zanella.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164141 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCAsmPrinter.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCAsmPrinter.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp index ee35ee5a5b..a66677fa0f 100644 --- a/lib/Target/PowerPC/PPCAsmPrinter.cpp +++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp @@ -368,9 +368,14 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { else if (MO.isJTI()) MOSymbol = GetJTISymbol(MO.getIndex()); MCSymbol *&TOCEntry = TOC[MOSymbol]; - if (TOCEntry == 0) - TOCEntry = GetTempSymbol("C", TOCLabelID++); - + // To avoid name clash check if the name already exists. + while (TOCEntry == 0) { + if (OutContext.LookupSymbol(Twine(MAI->getPrivateGlobalPrefix()) + + "C" + Twine(TOCLabelID++)) == 0) { + TOCEntry = GetTempSymbol("C", TOCLabelID); + } + } + const MCExpr *Exp = MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC_ENTRY, OutContext); |