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Track defs for all aliases in NEONMoveFix.

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This means that an instruction defining an S register will affect the domain of
the parent D register.

llvm-svn: 107725
This commit is contained in:
Jakob Stoklund Olesen 2010-07-06 23:26:23 +00:00
parent b9e1c33054
commit 44c333e87c
1 changed files with 2 additions and 2 deletions
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4
lib/Target/ARM/NEONMoveFix.cpp
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@ -105,8 +105,8 @@ bool NEONMoveFixPass::InsertMoves(MachineBasicBlock &MBB) {
unsigned MOReg = MO.getReg();
Defs[MOReg] = MI;
// Catch subregs as well.
for (const unsigned *R = TRI->getSubRegisters(MOReg); *R; ++R)
// Catch aliases as well.
for (const unsigned *R = TRI->getAliasSet(MOReg); *R; ++R)
Defs[*R] = MI;
}
}