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Remove dead variable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92919 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-01-07 17:29:08 +00:00
parent 7b1e2a50a5
commit e7078aed24
1 changed files with 2 additions and 7 deletions
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9
lib/CodeGen/LiveVariables.cpp
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@ -290,7 +290,6 @@ MachineInstr *LiveVariables::FindLastRefOrPartRef(unsigned Reg) {
MachineInstr *LastRefOrPartRef = LastUse ? LastUse : LastDef; MachineInstr *LastRefOrPartRef = LastUse ? LastUse : LastDef;
unsigned LastRefOrPartRefDist = DistanceMap[LastRefOrPartRef]; unsigned LastRefOrPartRefDist = DistanceMap[LastRefOrPartRef];
MachineInstr *LastPartDef = 0;
unsigned LastPartDefDist = 0; unsigned LastPartDefDist = 0;
for (const unsigned *SubRegs = TRI->getSubRegisters(Reg); for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs) { unsigned SubReg = *SubRegs; ++SubRegs) {
@ -299,13 +298,9 @@ MachineInstr *LiveVariables::FindLastRefOrPartRef(unsigned Reg) {
// There was a def of this sub-register in between. This is a partial // There was a def of this sub-register in between. This is a partial
// def, keep track of the last one. // def, keep track of the last one.
unsigned Dist = DistanceMap[Def]; unsigned Dist = DistanceMap[Def];
if (Dist > LastPartDefDist) { if (Dist > LastPartDefDist)
LastPartDefDist = Dist; LastPartDefDist = Dist;
LastPartDef = Def; } else if (MachineInstr *Use = PhysRegUse[SubReg]) {
}
continue;
}
if (MachineInstr *Use = PhysRegUse[SubReg]) {
unsigned Dist = DistanceMap[Use]; unsigned Dist = DistanceMap[Use];
if (Dist > LastRefOrPartRefDist) { if (Dist > LastRefOrPartRefDist) {
LastRefOrPartRefDist = Dist; LastRefOrPartRefDist = Dist;