ARMBaseRegisterInfo::ARMBaseRegisterInfo(const ARMSubtarget &sti)
: ARMGenRegisterInfo(ARM::LR, 0, 0, ARM::PC), STI(sti), BasePtr(ARM::R6) {
- if (STI.isTargetMachO())
- FramePtr = ARM::R7;
- else if (STI.isTargetWindows())
+ if (STI.isTargetMachO()) {
+ if (STI.isTargetDarwin() || STI.isThumb1Only())
+ FramePtr = ARM::R7;
+ else
+ FramePtr = ARM::R11;
+ } else if (STI.isTargetWindows())
FramePtr = ARM::R11;
else // ARM EABI
FramePtr = STI.isThumb() ? ARM::R7 : ARM::R11;
case ARM::R10:
case ARM::R11:
case ARM::R12:
- if (STI.isTargetMachO()) {
+ if (STI.isTargetDarwin()) {
GPRCS2Size += 4;
break;
}
case ARM::R10:
case ARM::R11:
case ARM::R12:
- if (STI.isTargetMachO())
+ if (STI.isTargetDarwin())
break;
// fallthrough
case ARM::R0:
case ARM::R10:
case ARM::R11:
case ARM::R12:
- if (STI.isTargetMachO()) {
+ if (STI.isTargetDarwin()) {
unsigned DwarfReg = MRI->getDwarfRegNum(Reg, true);
unsigned Offset = MFI->getObjectOffset(FI);
unsigned CFIIndex = MMI.addFrameInst(
unsigned LastReg = 0;
for (; i != 0; --i) {
unsigned Reg = CSI[i-1].getReg();
- if (!(Func)(Reg, STI.isTargetMachO())) continue;
+ if (!(Func)(Reg, STI.isTargetDarwin())) continue;
// D-registers in the aligned area DPRCS2 are NOT spilled here.
if (Reg >= ARM::D8 && Reg < ARM::D8 + NumAlignedDPRCS2Regs)
bool DeleteRet = false;
for (; i != 0; --i) {
unsigned Reg = CSI[i-1].getReg();
- if (!(Func)(Reg, STI.isTargetMachO())) continue;
+ if (!(Func)(Reg, STI.isTargetDarwin())) continue;
// The aligned reloads from area DPRCS2 are not inserted here.
if (Reg >= ARM::D8 && Reg < ARM::D8 + NumAlignedDPRCS2Regs)
if (Spilled) {
NumGPRSpills++;
- if (!STI.isTargetMachO()) {
+ if (!STI.isTargetDarwin()) {
if (Reg == ARM::LR)
LRSpilled = true;
CS1Spilled = true;
break;
}
} else {
- if (!STI.isTargetMachO()) {
+ if (!STI.isTargetDarwin()) {
UnspilledCS1GPRs.push_back(Reg);
continue;
}
define void @check_simple() minsize {
; CHECK-LABEL: check_simple:
-; CHECK: push {r3, r4, r5, r6, r7, lr}
+; CHECK: push.w {r7, r8, r9, r10, r11, lr}
; CHECK-NOT: sub sp, sp,
; ...
; CHECK-NOT: add sp, sp,
-; CHECK: pop {r0, r1, r2, r3, r7, pc}
+; CHECK: pop.w {r0, r1, r2, r3, r11, pc}
; CHECK-T1-LABEL: check_simple:
; CHECK-T1: push {r3, r4, r5, r6, r7, lr}
define void @check_simple_too_big() minsize {
; CHECK-LABEL: check_simple_too_big:
-; CHECK: push {r7, lr}
+; CHECK: push.w {r11, lr}
; CHECK: sub sp,
; ...
; CHECK: add sp,
-; CHECK: pop {r7, pc}
+; CHECK: pop.w {r11, pc}
%var = alloca i8, i32 64
call void @bar(i8* %var)
ret void
; folded in except that doing so would clobber the value being returned.
define i64 @check_no_return_clobber() minsize {
; CHECK-LABEL: check_no_return_clobber:
-; CHECK: push {r1, r2, r3, r4, r5, r6, r7, lr}
+; CHECK: push.w {r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NOT: sub sp,
; ...
; CHECK: add sp, #24
-; CHECK: pop {r7, pc}
+; CHECK: pop.w {r11, pc}
; Just to keep iOS FileCheck within previous function:
; CHECK-IOS-LABEL: check_no_return_clobber:
; CHECK-LABEL: test_varsize:
; CHECK: sub sp, #16
-; CHECK: push {r5, r6, r7, lr}
+; CHECK: push.w {r9, r10, r11, lr}
; ...
-; CHECK: pop.w {r2, r3, r7, lr}
+; CHECK: pop.w {r2, r3, r11, lr}
; CHECK: add sp, #16
; CHECK: bx lr
; Normal AAPCS function (r0-r3 pushed onto stack by hardware, lr set to
; appropriate sentinel so no special return needed).
; CHECK-M-LABEL: irq_fn:
-; CHECK-M: push {r4, r6, r7, lr}
-; CHECK-M: add r7, sp, #8
+; CHECK-M: push.w {r4, r10, r11, lr}
+; CHECK-M: add.w r11, sp, #8
; CHECK-M: mov r4, sp
; CHECK-M: bic r4, r4, #7
; CHECK-M: mov sp, r4
; CHECK-M: blx _bar
-; CHECK-M: sub.w r4, r7, #8
+; CHECK-M: sub.w r4, r11, #8
; CHECK-M: mov sp, r4
-; CHECK-M: pop {r4, r6, r7, pc}
+; CHECK-M: pop.w {r4, r10, r11, pc}
call arm_aapcscc void @bar()
ret void
; CHECK-LABEL: test_frame_ptr:
call void @test_trap()
- ; Frame pointer is r7 as for Darwin
-; CHECK: mov r7, sp
+ ; Frame pointer is r11.
+; CHECK: mov r11, sp
ret i32 42
}
; This goes with the choice of r7 as FP (largely). FP and LR have to be stored
; consecutively on the stack for the frame record to be valid, which means we
; need the 2 register-save areas employed by iOS.
-; CHECK-NON-FAST: push {r4, r5, r6, r7, lr}
-; CHECK-NON-FAST: push.w {r8, r9, r10, r11}
+; CHECK-NON-FAST: push.w {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; ...
-; CHECK-NON-FAST: pop.w {r8, r9, r10, r11}
-; CHECK-NON-FAST: pop {r4, r5, r6, r7, pc}
+; CHECK-NON-FAST: pop.w {r4, r5, r6, r7, r8, r9, r10, r11, pc}
ret void
}