diff options
Diffstat (limited to 'lib/CodeGen/TargetInstrInfo.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInstrInfo.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/CodeGen/TargetInstrInfo.cpp b/lib/CodeGen/TargetInstrInfo.cpp index c4c9c83120..c3f84c64d7 100644 --- a/lib/CodeGen/TargetInstrInfo.cpp +++ b/lib/CodeGen/TargetInstrInfo.cpp @@ -127,10 +127,8 @@ MachineInstr *TargetInstrInfo::commuteInstruction(MachineInstr *MI, return nullptr; unsigned Idx1, Idx2; if (!findCommutedOpIndices(MI, Idx1, Idx2)) { - std::string msg; - raw_string_ostream Msg(msg); - Msg << "Don't know how to commute: " << *MI; - report_fatal_error(Msg.str()); + assert(MI->isCommutable() && "Precondition violation: MI must be commutable."); + return nullptr; } assert(MI->getOperand(Idx1).isReg() && MI->getOperand(Idx2).isReg() && |