diff options
| -rw-r--r-- | llvm/lib/CodeGen/LocalStackSlotAllocation.cpp | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/llvm/lib/CodeGen/LocalStackSlotAllocation.cpp b/llvm/lib/CodeGen/LocalStackSlotAllocation.cpp index 08f0cc2f011..6cf164b9e4f 100644 --- a/llvm/lib/CodeGen/LocalStackSlotAllocation.cpp +++ b/llvm/lib/CodeGen/LocalStackSlotAllocation.cpp @@ -377,18 +377,11 @@ bool LocalStackSlotPass::insertFrameReferenceRegisters(MachineFunction &Fn) { // processed all FrameRefs before this one, just check whether or not // the next FrameRef will be able to reuse this new register. If not, // then don't bother creating it. - bool CanReuse = false; - for (int refn = ref + 1; refn < e; ++refn) { - FrameRef &FRN = FrameReferenceInsns[refn]; - MachineBasicBlock::iterator J = FRN.getMachineInstr(); - MachineInstr *MIN = J; - - CanReuse = lookupCandidateBaseReg(BaseOffset, FrameSizeAdjust, - FRN.getLocalOffset(), MIN, TRI); - break; - } - - if (!CanReuse) { + if (ref + 1 >= e || + !lookupCandidateBaseReg( + BaseOffset, FrameSizeAdjust, + FrameReferenceInsns[ref + 1].getLocalOffset(), + FrameReferenceInsns[ref + 1].getMachineInstr(), TRI)) { BaseOffset = PrevBaseOffset; continue; } |
