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Eliminate VarInfo::UsedBlocks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72411 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-05-26 06:25:46 +00:00
parent ab9cf1282b
commit aed4a430f4
4 changed files with 0 additions and 17 deletions
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3
lib/CodeGen/PHIElimination.cpp
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@ -249,8 +249,6 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
// each for each incoming block), the "def" block and instruction fields
// for the VarInfo is not filled in.
LV->addVirtualRegisterKilled(IncomingReg, PHICopy);
LV->getVarInfo(IncomingReg).UsedBlocks[MBB.getNumber()] = true;
}
// Since we are going to be deleting the PHI node, if it is the last use of
@ -317,7 +315,6 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
// variables information so that it knows the copy source instruction kills
// the incoming value.
LiveVariables::VarInfo &InRegVI = LV->getVarInfo(SrcReg);
InRegVI.UsedBlocks[opBlock.getNumber()] = true;
// Loop over all of the successors of the basic block, checking to see if
// the value is either live in the block, or if it is killed in the block.