diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/AntiDepBreaker.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AntiDepBreaker.h b/llvm/lib/CodeGen/AntiDepBreaker.h index 9f05200dcdf..2aa77161bcf 100644 --- a/llvm/lib/CodeGen/AntiDepBreaker.h +++ b/llvm/lib/CodeGen/AntiDepBreaker.h @@ -56,8 +56,9 @@ public: /// Update DBG_VALUE if dependency breaker is updating /// other machine instruction to use NewReg. void UpdateDbgValue(MachineInstr *MI, unsigned OldReg, unsigned NewReg) { + assert(MI && "Expected valid instruction"); assert (MI->isDebugValue() && "MI is not DBG_VALUE!"); - if (MI && MI->getOperand(0).isReg() && MI->getOperand(0).getReg() == OldReg) + if (MI->getOperand(0).isReg() && MI->getOperand(0).getReg() == OldReg) MI->getOperand(0).setReg(NewReg); } }; |
