Track defs for all aliases in NEONMoveFix.

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-07-06 23:26:23 +00:00
parent ee94e8297e
commit fca3a25fed

View File

@ -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;
}
}