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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-09-19 17:56:00 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-09-19 17:56:00 +0000 |
| commit | a182be9b6cab86b3d52371efea1681161820cf1c (patch) | |
| tree | 26071fc27afb0623b998a0b31512d8232ddc432a /lib/MC | |
| parent | 24f48ece526d81e7a3138f4cff57171b7de9e02f (diff) | |
| download | llvm-a182be9b6cab86b3d52371efea1681161820cf1c.tar.gz llvm-a182be9b6cab86b3d52371efea1681161820cf1c.tar.bz2 llvm-a182be9b6cab86b3d52371efea1681161820cf1c.tar.xz | |
MCInstrAnalysis: Don't crash on instructions with no operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140027 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC')
| -rw-r--r-- | lib/MC/MCInstrAnalysis.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/MC/MCInstrAnalysis.cpp b/lib/MC/MCInstrAnalysis.cpp index 03a35c597b..7736702f35 100644 --- a/lib/MC/MCInstrAnalysis.cpp +++ b/lib/MC/MCInstrAnalysis.cpp @@ -12,7 +12,8 @@ using namespace llvm; uint64_t MCInstrAnalysis::evaluateBranch(const MCInst &Inst, uint64_t Addr, uint64_t Size) const { - if (Info->get(Inst.getOpcode()).OpInfo[0].OperandType != MCOI::OPERAND_PCREL) + if (Inst.getNumOperands() == 0 || + Info->get(Inst.getOpcode()).OpInfo[0].OperandType != MCOI::OPERAND_PCREL) return -1ULL; int64_t Imm = Inst.getOperand(0).getImm(); |