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path: root/lib/Target/ARM/ARMFrameLowering.cpp
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Diffstat (limited to 'lib/Target/ARM/ARMFrameLowering.cpp')
-rw-r--r--lib/Target/ARM/ARMFrameLowering.cpp11
1 files changed, 1 insertions, 10 deletions
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 06944b1ca7..41b4b7ec12 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -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))