diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineSink.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineSink.cpp b/llvm/lib/CodeGen/MachineSink.cpp index 4ea8bb4..30745c7 100644 --- a/llvm/lib/CodeGen/MachineSink.cpp +++ b/llvm/lib/CodeGen/MachineSink.cpp @@ -1324,7 +1324,8 @@ bool MachineSinking::SinkInstruction(MachineInstr &MI, bool &SawStore, // "zombie" define of that preg. E.g., EFLAGS. (<rdar://problem/8030636>) for (unsigned I = 0, E = MI.getNumOperands(); I != E; ++I) { const MachineOperand &MO = MI.getOperand(I); - if (!MO.isReg()) continue; + if (!MO.isReg() || MO.isUse()) + continue; Register Reg = MO.getReg(); if (Reg == 0 || !Register::isPhysicalRegister(Reg)) continue; |