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Something that kills a super-register also

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kills the sub-register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48038 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-03-07 23:45:15 +00:00
parent a8de38f351
commit d93ae242d3
1 changed files with 1 additions and 2 deletions
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3
lib/CodeGen/RegisterScavenging.cpp
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@ -170,8 +170,7 @@ void RegScavenger::forward() {
// instruction.
for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs)
if (!RedefinesSuperRegPart(MI, Reg, TRI))
ChangedRegs.set(SubReg);
ChangedRegs.set(SubReg);
}
}