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| author | Devang Patel <dpatel@apple.com> | 2010-03-12 19:18:30 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-03-12 19:18:30 +0000 |
| commit | b45fb90b20759cca798423ec6e53ac5fca3b9af3 (patch) | |
| tree | 0b0f73776c8edab1e5d6d45ffc60965a93b47d4a /lib/Target/X86/AsmPrinter | |
| parent | 1c95488880d764cbe34bc8a5f8fe240fc1260cf4 (diff) | |
| download | external_llvm-b45fb90b20759cca798423ec6e53ac5fca3b9af3.zip external_llvm-b45fb90b20759cca798423ec6e53ac5fca3b9af3.tar.gz external_llvm-b45fb90b20759cca798423ec6e53ac5fca3b9af3.tar.bz2 | |
Fix llc crash on invalid input.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98369 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/AsmPrinter')
| -rw-r--r-- | lib/Target/X86/AsmPrinter/X86MCInstLower.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp index f175907..8eaeeac 100644 --- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp +++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp @@ -358,6 +358,13 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) { } else printOperand(MI, 0); } else { + if (MI->getOperand(0).getType()==MachineOperand::MO_Register && + MI->getOperand(0).getReg()==0) { + // Suppress offset in this case, it is not meaningful. + O << "undef"; + OutStreamer.AddBlankLine(); + return; + } // Frame address. Currently handles register +- offset only. assert(MI->getOperand(0).getType()==MachineOperand::MO_Register); assert(MI->getOperand(3).getType()==MachineOperand::MO_Immediate); |