Fix a bad prologue / epilogue codegen bug where the compiler would emit illegal
vpush instructions to save / restore VFP / NEON registers like this:
vpush {d8,d10,d11}
vpop {d8,d10,d11}
vpush and vpop do not allow gaps in the register list.
rdar://8728956
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121197 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFrameInfo.h b/lib/Target/ARM/ARMFrameInfo.h
index 886f749..2ff77b4 100644
--- a/lib/Target/ARM/ARMFrameInfo.h
+++ b/lib/Target/ARM/ARMFrameInfo.h
@@ -58,12 +58,13 @@
RegScavenger *RS) const;
private:
- void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
- const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool isVarArg, bool(*Func)(unsigned, bool)) const;
void emitPushInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
- bool(*Func)(unsigned, bool)) const;
+ bool NoGap, bool(*Func)(unsigned, bool)) const;
+ void emitPopInst(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+ const std::vector<CalleeSavedInfo> &CSI, unsigned Opc,
+ bool isVarArg, bool NoGap,
+ bool(*Func)(unsigned, bool)) const;
};
} // End llvm namespace