diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2015-08-07 23:01:33 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2015-08-07 23:01:33 +0000 |
commit | ee8648bdac07986a0f1ec897b02ec82a2f144d46 (patch) | |
tree | 52d1861acda1205241ee35a94aa63129c604d469 /lib/Target/XCore/XCoreFrameLowering.cpp | |
parent | 1a82d4c088707c791c792f6822f611b47a12bdfe (diff) |
Diffstat (limited to 'lib/Target/XCore/XCoreFrameLowering.cpp')
-rw-r--r-- | lib/Target/XCore/XCoreFrameLowering.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/Target/XCore/XCoreFrameLowering.cpp b/lib/Target/XCore/XCoreFrameLowering.cpp index bd834cc5be4b..76c3d8130e75 100644 --- a/lib/Target/XCore/XCoreFrameLowering.cpp +++ b/lib/Target/XCore/XCoreFrameLowering.cpp @@ -525,12 +525,15 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MBB.erase(I); } -void XCoreFrameLowering:: -processFunctionBeforeCalleeSavedScan(MachineFunction &MF, - RegScavenger *RS) const { +void XCoreFrameLowering::determineCalleeSaves(MachineFunction &MF, + BitVector &SavedRegs, + RegScavenger *RS) const { + TargetFrameLowering::determineCalleeSaves(MF, SavedRegs, RS); + XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>(); - bool LRUsed = MF.getRegInfo().isPhysRegUsed(XCore::LR); + const MachineRegisterInfo &MRI = MF.getRegInfo(); + bool LRUsed = MRI.isPhysRegModified(XCore::LR); if (!LRUsed && !MF.getFunction()->isVarArg() && MF.getFrameInfo()->estimateStackSize(MF)) @@ -550,7 +553,7 @@ processFunctionBeforeCalleeSavedScan(MachineFunction &MF, if (LRUsed) { // We will handle the LR in the prologue/epilogue // and allocate space on the stack ourselves. - MF.getRegInfo().setPhysRegUnused(XCore::LR); + SavedRegs.reset(XCore::LR); XFI->createLRSpillSlot(MF); } |