diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/MC/MCRegisterInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCRegisterInfo.cpp b/llvm/lib/MC/MCRegisterInfo.cpp index c76bb646c12..3d0f30d306c 100644 --- a/llvm/lib/MC/MCRegisterInfo.cpp +++ b/llvm/lib/MC/MCRegisterInfo.cpp @@ -62,6 +62,8 @@ int MCRegisterInfo::getDwarfRegNum(unsigned RegNum, bool isEH) const { const DwarfLLVMRegPair *M = isEH ? EHL2DwarfRegs : L2DwarfRegs; unsigned Size = isEH ? EHL2DwarfRegsSize : L2DwarfRegsSize; + if (!M) + return -1; DwarfLLVMRegPair Key = { RegNum, 0 }; const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key); if (I == M+Size || I->FromReg != RegNum) @@ -73,6 +75,8 @@ int MCRegisterInfo::getLLVMRegNum(unsigned RegNum, bool isEH) const { const DwarfLLVMRegPair *M = isEH ? EHDwarf2LRegs : Dwarf2LRegs; unsigned Size = isEH ? EHDwarf2LRegsSize : Dwarf2LRegsSize; + if (!M) + return -1; DwarfLLVMRegPair Key = { RegNum, 0 }; const DwarfLLVMRegPair *I = std::lower_bound(M, M+Size, Key); assert(I != M+Size && I->FromReg == RegNum && "Invalid RegNum"); |
