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Allow copyRegToReg to emit cross register classes copies.

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Tested with "make check"!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-09-26 06:25:56 +00:00
parent 61001b8bd4
commit 9efce638d3
21 changed files with 115 additions and 61 deletions
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4
lib/CodeGen/PHIElimination.cpp
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@ -135,7 +135,7 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
// into the phi node destination.
//
const MRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC);
RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
// Update live variable information if there is any...
LiveVariables *LV = getAnalysisToUpdate<LiveVariables>();
@ -200,7 +200,7 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I = opBlock.getFirstTerminator();
// Insert the copy.
RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC);
RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
// Now update live variable information if we have it. Otherwise we're done
if (!LV) continue;