#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/Type.h"
+#include "llvm/Target/TargetFrameInfo.h"
+#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/ADT/STLExtras.h"
#include <iostream>
eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const {
if (hasFP(MF)) {
- assert(0);
+ MachineInstr *Old = I;
+ unsigned Amount = Old->getOperand(0).getImmedValue();
+ if (Amount != 0) {
+ unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
+ Amount = (Amount+Align-1)/Align*Align;
+
+ if (Old->getOpcode() == ARM::ADJCALLSTACKDOWN) {
+ // sub sp, sp, amount
+ BuildMI(MBB, I, ARM::SUB, 2, ARM::R13).addReg(ARM::R13).addImm(Amount)
+ .addImm(0).addImm(ARMShift::LSL);
+ } else {
+ // add sp, sp, amount
+ assert(Old->getOpcode() == ARM::ADJCALLSTACKUP);
+ BuildMI(MBB, I, ARM::ADD, 2, ARM::R13).addReg(ARM::R13).addImm(Amount)
+ .addImm(0).addImm(ARMShift::LSL);
+ }
+ }
}
MBB.erase(I);
}
; RUN: llvm-as < %s | llc -march=arm
void %f(uint %a) {
entry:
- %tmp1032 = alloca ubyte, uint %a
+ %tmp = alloca sbyte, uint %a
+ call void %g( sbyte* %tmp, uint %a, uint 1, uint 2, uint 3 )
ret void
}
+
+declare void %g(sbyte*, uint, uint, uint, uint)