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One more extract_subreg coalescing bug fix.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-10-17 05:29:37 +00:00
parent 28e9a5fe94
commit 95f0ab624d
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@@ -236,7 +236,7 @@ bool SimpleRegisterCoalescing::JoinCopy(MachineInstr *CopyMI,
// If this is a extract_subreg where dst is a physical register, e.g. // If this is a extract_subreg where dst is a physical register, e.g.
// cl = EXTRACT_SUBREG reg1024, 1 // cl = EXTRACT_SUBREG reg1024, 1
// then create and update the actual physical register allocated to RHS. // then create and update the actual physical register allocated to RHS.
const TargetRegisterClass *RC = mf_->getSSARegMap()->getRegClass(SrcReg); const TargetRegisterClass *RC=mf_->getSSARegMap()->getRegClass(repSrcReg);
for (const unsigned *SRs = mri_->getSuperRegisters(repDstReg); for (const unsigned *SRs = mri_->getSuperRegisters(repDstReg);
unsigned SR = *SRs; ++SRs) { unsigned SR = *SRs; ++SRs) {
if (repDstReg == mri_->getSubReg(SR, SubIdx) && if (repDstReg == mri_->getSubReg(SR, SubIdx) &&