diff options
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFrameLowering.cpp | 6 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFrameLowering.h | 2 |
2 files changed, 8 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); } diff --git a/llvm/lib/Target/ARM/ARMFrameLowering.h b/llvm/lib/Target/ARM/ARMFrameLowering.h index 6d8aee59794..0462b01af70 100644 --- a/llvm/lib/Target/ARM/ARMFrameLowering.h +++ b/llvm/lib/Target/ARM/ARMFrameLowering.h @@ -53,6 +53,8 @@ public: int ResolveFrameIndexReference(const MachineFunction &MF, int FI, unsigned &FrameReg, int SPAdj) const; + void getCalleeSaves(const MachineFunction &MF, + BitVector &SavedRegs) const override; void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, RegScavenger *RS) const override; |
