diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index ac5fc8c..833868a 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -670,12 +670,8 @@ rewriteInstructionForSpills(const LiveInterval &li, unsigned RegI = Reg; if (Reg == 0 || MRegisterInfo::isPhysicalRegister(Reg)) continue; - bool isSubReg = RegMap->isSubRegister(Reg); - unsigned SubIdx = 0; - if (isSubReg) { - SubIdx = RegMap->getSubRegisterIndex(Reg); - Reg = RegMap->getSuperRegister(Reg); - } + unsigned SubIdx = mop.getSubReg(); + bool isSubReg = SubIdx != 0; if (Reg != li.reg) continue; @@ -710,8 +706,6 @@ rewriteInstructionForSpills(const LiveInterval &li, // Create a new virtual register for the spill interval. unsigned NewVReg = RegMap->createVirtualRegister(rc); vrm.grow(); - if (isSubReg) - RegMap->setIsSubRegister(NewVReg, NewVReg, SubIdx); // Scan all of the operands of this instruction rewriting operands // to use NewVReg instead of li.reg as appropriate. We do this for |