diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/CodeGen/MachineCSE.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineCSE.cpp b/llvm/lib/CodeGen/MachineCSE.cpp index 0766f465456..5a035c7667b 100644 --- a/llvm/lib/CodeGen/MachineCSE.cpp +++ b/llvm/lib/CodeGen/MachineCSE.cpp @@ -180,8 +180,8 @@ MachineCSE::isPhysDefTriviallyDead(unsigned Reg, I = skipDebugInstructionsForward(I, E); if (I == E) - // Reached end of block, register is obviously dead. - return true; + // Reached end of block, we don't know if register is dead or not. + return false; bool SeenDef = false; for (const MachineOperand &MO : I->operands()) { |