xref: /llvm-project/llvm/test/CodeGen/ARM/div-by-constant-to-mul-crash.ll (revision 7389545d0d7002c5b384ba70d5e38499e9899069)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc < %s -mtriple=armv7--linux-gnueabihf -mattr=+neon | FileCheck %s
3
4; This test case used to crash due to the div by K -> mul expansion in TargetLowering.
5
6define <8 x i32> @f1(<8 x i32> %arg) {
7; CHECK-LABEL: f1:
8; CHECK:       @ %bb.0:
9; CHECK-NEXT:    .save {r4, r5, r6, r7, r11, lr}
10; CHECK-NEXT:    push {r4, r5, r6, r7, r11, lr}
11; CHECK-NEXT:    vmov r0, r2, d2
12; CHECK-NEXT:    movw r4, #60681
13; CHECK-NEXT:    vmov lr, r1, d0
14; CHECK-NEXT:    movt r4, #46117
15; CHECK-NEXT:    vmov r12, r3, d3
16; CHECK-NEXT:    smmul r5, r0, r4
17; CHECK-NEXT:    smmul r7, r2, r4
18; CHECK-NEXT:    smmul r6, r1, r4
19; CHECK-NEXT:    asr r2, r5, #4
20; CHECK-NEXT:    smmul r1, r3, r4
21; CHECK-NEXT:    add r2, r2, r5, lsr #31
22; CHECK-NEXT:    vmov r3, r5, d1
23; CHECK-NEXT:    smmul r0, lr, r4
24; CHECK-NEXT:    vmov.32 d2[0], r2
25; CHECK-NEXT:    smmul r5, r5, r4
26; CHECK-NEXT:    smmul r3, r3, r4
27; CHECK-NEXT:    smmul r4, r12, r4
28; CHECK-NEXT:    asr r2, r4, #4
29; CHECK-NEXT:    add r2, r2, r4, lsr #31
30; CHECK-NEXT:    asr r4, r3, #4
31; CHECK-NEXT:    vmov.32 d3[0], r2
32; CHECK-NEXT:    add r2, r4, r3, lsr #31
33; CHECK-NEXT:    asr r3, r0, #4
34; CHECK-NEXT:    add r0, r3, r0, lsr #31
35; CHECK-NEXT:    vmov.32 d1[0], r2
36; CHECK-NEXT:    asr r2, r5, #4
37; CHECK-NEXT:    vmov.32 d0[0], r0
38; CHECK-NEXT:    add r0, r2, r5, lsr #31
39; CHECK-NEXT:    asr r2, r6, #4
40; CHECK-NEXT:    vmov.32 d1[1], r0
41; CHECK-NEXT:    add r0, r2, r6, lsr #31
42; CHECK-NEXT:    asr r2, r1, #4
43; CHECK-NEXT:    vmov.32 d0[1], r0
44; CHECK-NEXT:    add r0, r2, r1, lsr #31
45; CHECK-NEXT:    asr r1, r7, #4
46; CHECK-NEXT:    vmov.32 d3[1], r0
47; CHECK-NEXT:    add r0, r1, r7, lsr #31
48; CHECK-NEXT:    vmov.32 d2[1], r0
49; CHECK-NEXT:    pop {r4, r5, r6, r7, r11, pc}
50  %v = sdiv <8 x i32> %arg, <i32 -54, i32 -54, i32 -54, i32 -54, i32 -54, i32 -54, i32 -54, i32 -54>
51  ret <8 x i32> %v
52}
53