llvm/test/CodeGen/M68k/link-unlnk.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -frame-pointer=all -mtriple=m68k %s -verify-machineinstrs -o - \
; RUN: | FileCheck --check-prefix=FP %s

; RUN: llc -frame-pointer=none -mtriple=m68k %s -verify-machineinstrs -o - \
; RUN: | FileCheck --check-prefix=NO-FP %s

define i32 @fib(i32 %a, i32 %b) {
; FP-LABEL: fib:
; FP:         .cfi_startproc
; FP-NEXT:  ; %bb.0: ; %entry
; FP-NEXT:    link.w %a6, #-32
; FP-NEXT:    .cfi_def_cfa_offset -8
; FP-NEXT:    .cfi_offset %a6, -8
; FP-NEXT:    .cfi_def_cfa_register %a6
; FP-NEXT:    move.l (8,%a6), %d1
; FP-NEXT:    move.l %d1, (-32,%a6)
; FP-NEXT:    move.l (12,%a6), %d0
; FP-NEXT:    add.l %d0, %d1
; FP-NEXT:    move.l %d0, (-28,%a6)
; FP-NEXT:    add.l %d1, %d0
; FP-NEXT:    move.l %d1, (-24,%a6)
; FP-NEXT:    add.l %d0, %d1
; FP-NEXT:    move.l %d0, (-20,%a6)
; FP-NEXT:    move.l %d1, (-16,%a6)
; FP-NEXT:    add.l %d1, %d0
; FP-NEXT:    move.l %d0, (-12,%a6)
; FP-NEXT:    add.l %d0, %d1
; FP-NEXT:    move.l %d1, (-8,%a6)
; FP-NEXT:    add.l %d1, %d0
; FP-NEXT:    move.l %d0, (-4,%a6)
; FP-NEXT:    unlk %a6
; FP-NEXT:    rts
;
; NO-FP-LABEL: fib:
; NO-FP:         .cfi_startproc
; NO-FP-NEXT:  ; %bb.0: ; %entry
; NO-FP-NEXT:    suba.l #32, %sp
; NO-FP-NEXT:    .cfi_def_cfa_offset -36
; NO-FP-NEXT:    move.l (36,%sp), %d1
; NO-FP-NEXT:    move.l %d1, (0,%sp)
; NO-FP-NEXT:    move.l (40,%sp), %d0
; NO-FP-NEXT:    add.l %d0, %d1
; NO-FP-NEXT:    move.l %d0, (4,%sp)
; NO-FP-NEXT:    add.l %d1, %d0
; NO-FP-NEXT:    move.l %d1, (8,%sp)
; NO-FP-NEXT:    add.l %d0, %d1
; NO-FP-NEXT:    move.l %d0, (12,%sp)
; NO-FP-NEXT:    move.l %d1, (16,%sp)
; NO-FP-NEXT:    add.l %d1, %d0
; NO-FP-NEXT:    move.l %d0, (20,%sp)
; NO-FP-NEXT:    add.l %d0, %d1
; NO-FP-NEXT:    move.l %d1, (24,%sp)
; NO-FP-NEXT:    add.l %d1, %d0
; NO-FP-NEXT:    move.l %d0, (28,%sp)
; NO-FP-NEXT:    adda.l #32, %sp
; NO-FP-NEXT:    rts
entry:
  %arr = alloca [8 x i32], align 4
  %s0 = getelementptr i32, ptr %arr, i32 0
  %s1 = getelementptr i32, ptr %arr, i32 1
  store i32 %a, i32* %s0
  store i32 %b, i32* %s1

  %ptr0 = getelementptr i32, ptr %arr, i32 0
  %ptr1 = getelementptr i32, ptr %arr, i32 1
  %ptr2 = getelementptr i32, ptr %arr, i32 2
  %ptr3 = getelementptr i32, ptr %arr, i32 3
  %ptr4 = getelementptr i32, ptr %arr, i32 4
  %ptr5 = getelementptr i32, ptr %arr, i32 5
  %ptr6 = getelementptr i32, ptr %arr, i32 6
  %ptr7 = getelementptr i32, ptr %arr, i32 7

  %res0 = load i32, i32 * %ptr0
  %res1 = load i32, i32 * %ptr1

  %res2 = add i32 %res0, %res1
  store i32 %res2, i32 * %ptr2

  %res3 = add i32 %res1, %res2
  store i32 %res3, i32 * %ptr3

  %res4 = add i32 %res2, %res3
  store i32 %res4, i32 * %ptr4

  %res5 = add i32 %res3, %res4
  store i32 %res5, i32 * %ptr5

  %res6 = add i32 %res4, %res5
  store i32 %res6, i32 * %ptr6

  %res7 = add i32 %res5, %res6
  store i32 %res7, i32 * %ptr7

  ret i32 %res7
}

define i32 @test_gep() {
; FP-LABEL: test_gep:
; FP:         .cfi_startproc
; FP-NEXT:  ; %bb.0: ; %entry
; FP-NEXT:    link.w %a6, #-256
; FP-NEXT:    .cfi_def_cfa_offset -8
; FP-NEXT:    .cfi_offset %a6, -8
; FP-NEXT:    .cfi_def_cfa_register %a6
; FP-NEXT:    move.l #21, (-4,%a6)
; FP-NEXT:    move.l #12, (-256,%a6)
; FP-NEXT:    move.l #0, %d0
; FP-NEXT:    unlk %a6
; FP-NEXT:    rts
;
; NO-FP-LABEL: test_gep:
; NO-FP:         .cfi_startproc
; NO-FP-NEXT:  ; %bb.0: ; %entry
; NO-FP-NEXT:    suba.l #256, %sp
; NO-FP-NEXT:    .cfi_def_cfa_offset -260
; NO-FP-NEXT:    move.l #21, (252,%sp)
; NO-FP-NEXT:    move.l #12, (0,%sp)
; NO-FP-NEXT:    move.l #0, %d0
; NO-FP-NEXT:    adda.l #256, %sp
; NO-FP-NEXT:    rts
entry:
  %arr = alloca [8 x [8 x i32]]
  %ptr1 = getelementptr [8 x i32], ptr %arr, i64 0, i64 0
  store i32 12, i32 * %ptr1
  %ptr2 = getelementptr [8 x i32], ptr %arr, i64 7, i64 7
  store i32 21, i32 * %ptr2
  ret i32 0
}