diff options
| -rw-r--r-- | llvm/lib/CodeGen/LiveIntervalAnalysis.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp index 2558b09ad60..4997302fa6a 100644 --- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -1150,7 +1150,9 @@ rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit, } MachineBasicBlock *MBB = MI->getParent(); - if (ImpUse && MI != ReMatDefMI) { + // ReMatDefMI is a clone and not in the IR at all, so check + // RefMatOrigDefMI too. + if (ImpUse && MI != ReMatDefMI && MI != ReMatOrigDefMI) { // Re-matting an instruction with virtual register use. Update the // register interval's spill weight to HUGE_VALF to prevent it from // being spilled. |
