1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve %s -o - | FileCheck %s
3
4; This test was getting the offset of a store's pointer info incorrect, leading to the
5; incorrect aliasing info an the store moving past a dependant load.
6
7define arm_aapcs_vfpcc double @zero(double %a, double %b, double %c) {
8; CHECK-LABEL: zero:
9; CHECK:       @ %bb.0: @ %entry
10; CHECK-NEXT:    .save {r4, lr}
11; CHECK-NEXT:    push {r4, lr}
12; CHECK-NEXT:    .vsave {d8, d9}
13; CHECK-NEXT:    vpush {d8, d9}
14; CHECK-NEXT:    .pad #8
15; CHECK-NEXT:    sub sp, #8
16; CHECK-NEXT:    vmov.f32 s16, s2
17; CHECK-NEXT:    vmov.f32 s18, s0
18; CHECK-NEXT:    vmov.f32 s17, s3
19; CHECK-NEXT:    vmov.f32 s19, s1
20; CHECK-NEXT:    bl sqrt
21; CHECK-NEXT:    vmov r2, r3, d8
22; CHECK-NEXT:    vmov r0, r1, d0
23; CHECK-NEXT:    bl __aeabi_dadd
24; CHECK-NEXT:    str r1, [sp, #4]
25; CHECK-NEXT:    mov r4, r0
26; CHECK-NEXT:    ldrb.w r0, [sp, #7]
27; CHECK-NEXT:    eor r0, r0, #128
28; CHECK-NEXT:    strb.w r0, [sp, #7]
29; CHECK-NEXT:    vmov r0, r1, d9
30; CHECK-NEXT:    mov r2, r0
31; CHECK-NEXT:    mov r3, r1
32; CHECK-NEXT:    bl __aeabi_dadd
33; CHECK-NEXT:    mov r3, r1
34; CHECK-NEXT:    ldr r1, [sp, #4]
35; CHECK-NEXT:    mov r2, r0
36; CHECK-NEXT:    mov r0, r4
37; CHECK-NEXT:    bl __aeabi_ddiv
38; CHECK-NEXT:    vmov d0, r0, r1
39; CHECK-NEXT:    add sp, #8
40; CHECK-NEXT:    vpop {d8, d9}
41; CHECK-NEXT:    pop {r4, pc}
42entry:
43  %call = tail call nnan nsz arm_aapcs_vfpcc double @sqrt(double %a)
44  %0 = fadd nnan nsz double %call, %b
45  %sub3 = fneg nnan nsz double %0
46  %mul4 = fmul nnan nsz double %a, 2.000000e+00
47  %div = fdiv nnan nsz double %sub3, %mul4
48  ret double %div
49}
50
51declare arm_aapcs_vfpcc double @sqrt(double)
52