Patch by Job Noorman!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166108
91177308-0d34-0410-b5e6-
96231b3b80d8
+
+void
+MSP430FrameLowering::processFunctionBeforeFrameFinalized(MachineFunction &MF)
+ const {
+ const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
+
+ // Create a frame entry for the FPW register that must be saved.
+ if (TFI->hasFP(MF)) {
+ int FrameIdx = MF.getFrameInfo()->CreateFixedObject(2, -4, true);
+ (void)FrameIdx;
+ assert(FrameIdx == MF.getFrameInfo()->getObjectIndexBegin() &&
+ "Slot for FPW register must be last in order to be found!");
+ }
+}
bool hasFP(const MachineFunction &MF) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
bool hasFP(const MachineFunction &MF) const;
bool hasReservedCallFrame(const MachineFunction &MF) const;
+ void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
};
} // End llvm namespace
};
} // End llvm namespace
MI.getOperand(i+1).ChangeToImmediate(Offset);
}
MI.getOperand(i+1).ChangeToImmediate(Offset);
}
-void
-MSP430RegisterInfo::processFunctionBeforeFrameFinalized(MachineFunction &MF)
- const {
- const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
-
- // Create a frame entry for the FPW register that must be saved.
- if (TFI->hasFP(MF)) {
- int FrameIdx = MF.getFrameInfo()->CreateFixedObject(2, -4, true);
- (void)FrameIdx;
- assert(FrameIdx == MF.getFrameInfo()->getObjectIndexBegin() &&
- "Slot for FPW register must be last in order to be found!");
- }
-}
-
unsigned MSP430RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
unsigned MSP430RegisterInfo::getFrameRegister(const MachineFunction &MF) const {
const TargetFrameLowering *TFI = MF.getTarget().getFrameLowering();
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
- void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
-
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const;
};
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const;
};
--- /dev/null
+; RUN: llc -O0 -disable-fp-elim < %s | FileCheck %s
+
+target datalayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:16:32-n8:16"
+target triple = "msp430---elf"
+
+define void @fp() nounwind {
+entry:
+; CHECK: fp:
+; CHECK: push.w r4
+; CHECK: mov.w r1, r4
+; CHECK: sub.w #2, r1
+ %i = alloca i16, align 2
+; CHECK: mov.w #0, -2(r4)
+ store i16 0, i16* %i, align 2
+; CHECK: pop.w r4
+ ret void
+}