xref: /llvm-project/llvm/test/CodeGen/ARM/umulo-64-legalisation-lowering.ll (revision e0ed0333f0fed2e73f805afd58b61176a87aa3ad)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=armv6-unknown-linux-gnu | FileCheck %s --check-prefixes=ARMV6
3; RUN: llc < %s -mtriple=armv7-unknown-linux-gnu | FileCheck %s --check-prefixes=ARMV7
4
5define { i64, i8 } @mulodi_test(i64 %l, i64 %r) unnamed_addr #0 {
6; ARMV6-LABEL: mulodi_test:
7; ARMV6:       @ %bb.0: @ %start
8; ARMV6-NEXT:    push {r4, r5, r11, lr}
9; ARMV6-NEXT:    umull r12, lr, r1, r2
10; ARMV6-NEXT:    umull r4, r5, r3, r0
11; ARMV6-NEXT:    cmp lr, #0
12; ARMV6-NEXT:    movne lr, #1
13; ARMV6-NEXT:    cmp r3, #0
14; ARMV6-NEXT:    movne r3, #1
15; ARMV6-NEXT:    cmp r1, #0
16; ARMV6-NEXT:    umull r0, r2, r0, r2
17; ARMV6-NEXT:    movne r1, #1
18; ARMV6-NEXT:    and r1, r1, r3
19; ARMV6-NEXT:    cmp r5, #0
20; ARMV6-NEXT:    orr r1, r1, lr
21; ARMV6-NEXT:    movne r5, #1
22; ARMV6-NEXT:    orr r3, r1, r5
23; ARMV6-NEXT:    add r1, r12, r4
24; ARMV6-NEXT:    adds r1, r2, r1
25; ARMV6-NEXT:    mov r5, #0
26; ARMV6-NEXT:    adc r2, r5, #0
27; ARMV6-NEXT:    orr r2, r3, r2
28; ARMV6-NEXT:    pop {r4, r5, r11, pc}
29;
30; ARMV7-LABEL: mulodi_test:
31; ARMV7:       @ %bb.0: @ %start
32; ARMV7-NEXT:    push {r4, r5, r11, lr}
33; ARMV7-NEXT:    umull r12, lr, r3, r0
34; ARMV7-NEXT:    cmp r3, #0
35; ARMV7-NEXT:    movwne r3, #1
36; ARMV7-NEXT:    cmp r1, #0
37; ARMV7-NEXT:    umull r0, r4, r0, r2
38; ARMV7-NEXT:    umull r2, r5, r1, r2
39; ARMV7-NEXT:    movwne r1, #1
40; ARMV7-NEXT:    and r1, r1, r3
41; ARMV7-NEXT:    cmp r5, #0
42; ARMV7-NEXT:    movwne r5, #1
43; ARMV7-NEXT:    cmp lr, #0
44; ARMV7-NEXT:    orr r1, r1, r5
45; ARMV7-NEXT:    movwne lr, #1
46; ARMV7-NEXT:    orr r3, r1, lr
47; ARMV7-NEXT:    add r1, r2, r12
48; ARMV7-NEXT:    mov r2, #0
49; ARMV7-NEXT:    adds r1, r4, r1
50; ARMV7-NEXT:    adc r2, r2, #0
51; ARMV7-NEXT:    orr r2, r3, r2
52; ARMV7-NEXT:    pop {r4, r5, r11, pc}
53start:
54  %0 = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %l, i64 %r) #2
55  %1 = extractvalue { i64, i1 } %0, 0
56  %2 = extractvalue { i64, i1 } %0, 1
57  %3 = zext i1 %2 to i8
58  %4 = insertvalue { i64, i8 } undef, i64 %1, 0
59  %5 = insertvalue { i64, i8 } %4, i8 %3, 1
60  ret { i64, i8 } %5
61}
62
63; Function Attrs: nounwind readnone speculatable
64declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1
65
66attributes #0 = { nounwind readnone uwtable }
67attributes #1 = { nounwind readnone speculatable }
68attributes #2 = { nounwind }
69