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Remove references to INSERT_SUBREG after de-SSA.

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Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of
INSERT_SUBREG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107878 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-07-08 16:40:15 +00:00
parent 2dac4c1b51
commit 5c00e07795
8 changed files with 15 additions and 139 deletions
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lib/CodeGen/LiveIntervalAnalysis.cpp
-6
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@@ -324,12 +324,6 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
if (mi->isCopyLike() ||
tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg)) {
CopyMI = mi;
// Some of the REG_SEQUENCE lowering in TwoAddressInstrPass creates
// implicit defs without really knowing. It shows up as INSERT_SUBREG
// using an undefined register.
if (mi->isInsertSubreg())
mi->getOperand(1).setIsUndef();
}
VNInfo *ValNo = interval.getNextValue(defIndex, CopyMI, true,