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Move common code into an MRI function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147071 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-12-21 19:50:05 +00:00
parent e6949b1399
commit a2a98fd0dd
4 changed files with 16 additions and 25 deletions
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lib/Target/ARM/ARMFrameLowering.cpp
+1 -10
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@@ -898,18 +898,9 @@ ARMFrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
for (unsigned i = 0; CSRegs[i]; ++i) {
unsigned Reg = CSRegs[i];
bool Spilled = false;
if (MF.getRegInfo().isPhysRegUsed(Reg)) {
if (MF.getRegInfo().isPhysRegOrOverlapUsed(Reg)) {
Spilled = true;
CanEliminateFrame = false;
} else {
// Check alias registers too.
for (const unsigned *Aliases =
RegInfo->getAliasSet(Reg); *Aliases; ++Aliases) {
if (MF.getRegInfo().isPhysRegUsed(*Aliases)) {
Spilled = true;
CanEliminateFrame = false;
}
}
}
if (!ARM::GPRRegisterClass->contains(Reg))