diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 7c07c045dc..74ca497624 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -192,6 +192,9 @@ bool LiveIntervals::conflictsWithPhysReg(const LiveInterval &li, if (tii_->isMoveInstr(MI, SrcReg, DstReg, SrcSubReg, DstSubReg)) if (SrcReg == li.reg || DstReg == li.reg) continue; + if (MI.isCopy() && MI.getOperand(0).getReg() == li.reg && + MI.getOperand(1).getReg() == li.reg) + continue; // Check for operands using reg for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { |