diff options
Diffstat (limited to 'lib/CodeGen/LowerSubregs.cpp')
| -rw-r--r-- | lib/CodeGen/LowerSubregs.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/LowerSubregs.cpp b/lib/CodeGen/LowerSubregs.cpp index 2a12063af9..6c5052a068 100644 --- a/lib/CodeGen/LowerSubregs.cpp +++ b/lib/CodeGen/LowerSubregs.cpp @@ -119,6 +119,7 @@ bool LowerSubregsInstructionPass::LowerExtract(MachineInstr *MI) { "Extract supperg source must be a physical register"); assert(TargetRegisterInfo::isPhysicalRegister(DstReg) && "Extract destination must be in a physical register"); + assert(SrcReg && "invalid subregister index for register"); DOUT << "subreg: CONVERTING: " << *MI; |