diff options
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 0c97dad48b..62fa0fdb77 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -926,14 +926,12 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi, UnfoldTID.OpInfo[LoadRegIndex].getRegClass(TRI); unsigned Reg = MRI->createVirtualRegister(RC); SmallVector<MachineInstr *, 2> NewMIs; - bool Success = - TII->unfoldMemoryOperand(MF, mi, Reg, - /*UnfoldLoad=*/true, /*UnfoldStore=*/false, - NewMIs); - (void)Success; - assert(Success && - "unfoldMemoryOperand failed when getOpcodeAfterMemoryUnfold " - "succeeded!"); + if (!TII->unfoldMemoryOperand(MF, mi, Reg, + /*UnfoldLoad=*/true,/*UnfoldStore=*/false, + NewMIs)) { + DEBUG(dbgs() << "2addr: ABANDONING UNFOLD\n"); + return false; + } assert(NewMIs.size() == 2 && "Unfolded a load into multiple instructions!"); // The load was previously folded, so this is the only use. |