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-rw-r--r--llvm/lib/Target/ARM/ARMFrameLowering.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.cpp b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
index 01ae93086dc..5428bd6c94b 100644
--- a/llvm/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMFrameLowering.cpp
@@ -2128,10 +2128,16 @@ void ARMFrameLowering::determineCalleeSaves(MachineFunction &MF,
AFI->setLRIsSpilledForFarJump(true);
}
AFI->setLRIsSpilled(SavedRegs.test(ARM::LR));
+}
+
+void ARMFrameLowering::getCalleeSaves(const MachineFunction &MF,
+ BitVector &SavedRegs) const {
+ TargetFrameLowering::getCalleeSaves(MF, SavedRegs);
// If we have the "returned" parameter attribute which guarantees that we
// return the value which was passed in r0 unmodified (e.g. C++ 'structors),
// record that fact for IPRA.
+ const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (AFI->getPreservesR0())
SavedRegs.set(ARM::R0);
}
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