xref: /llvm-project/llvm/test/CodeGen/Thumb2/constant-islands-cbz.ll (revision b5b663aac17415625340eb29c8010832bfc4c21c)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=thumbv8m.base-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-T1
3; RUN: llc < %s -mtriple=thumbv8m.main-none-eabi %s -o - | FileCheck %s --check-prefix=CHECK-T2
4
5define ptr @test(ptr returned %this, i32 %event_size, ptr %event_pointer) {
6; CHECK-T1-LABEL: test:
7; CHECK-T1:       @ %bb.0: @ %entry
8; CHECK-T1-NEXT:    .save {r4, lr}
9; CHECK-T1-NEXT:    push {r4, lr}
10; CHECK-T1-NEXT:    mov r4, r0
11; CHECK-T1-NEXT:    movs r0, #0
12; CHECK-T1-NEXT:    str r0, [r4, #4]
13; CHECK-T1-NEXT:    str r0, [r4, #8]
14; CHECK-T1-NEXT:    str r0, [r4, #12]
15; CHECK-T1-NEXT:    str r0, [r4, #16]
16; CHECK-T1-NEXT:    mov r0, r4
17; CHECK-T1-NEXT:    cbz r2, .LBB0_2
18; CHECK-T1-NEXT:  @ %bb.1: @ %if.else
19; CHECK-T1-NEXT:    bl equeue_create_inplace
20; CHECK-T1-NEXT:    mov r0, r4
21; CHECK-T1-NEXT:    pop {r4, pc}
22; CHECK-T1-NEXT:  .LBB0_2: @ %if.then
23; CHECK-T1-NEXT:    bl equeue_create
24; CHECK-T1-NEXT:    mov r0, r4
25; CHECK-T1-NEXT:    pop {r4, pc}
26;
27; CHECK-T2-LABEL: test:
28; CHECK-T2:       @ %bb.0: @ %entry
29; CHECK-T2-NEXT:    .save {r4, lr}
30; CHECK-T2-NEXT:    push {r4, lr}
31; CHECK-T2-NEXT:    mov r4, r0
32; CHECK-T2-NEXT:    movs r0, #0
33; CHECK-T2-NEXT:    strd r0, r0, [r4, #4]
34; CHECK-T2-NEXT:    strd r0, r0, [r4, #12]
35; CHECK-T2-NEXT:    mov r0, r4
36; CHECK-T2-NEXT:    cbz r2, .LBB0_2
37; CHECK-T2-NEXT:  @ %bb.1: @ %if.else
38; CHECK-T2-NEXT:    bl equeue_create_inplace
39; CHECK-T2-NEXT:    mov r0, r4
40; CHECK-T2-NEXT:    pop {r4, pc}
41; CHECK-T2-NEXT:  .LBB0_2: @ %if.then
42; CHECK-T2-NEXT:    bl equeue_create
43; CHECK-T2-NEXT:    mov r0, r4
44; CHECK-T2-NEXT:    pop {r4, pc}
45entry:
46  %_update = getelementptr inbounds i32, ptr %this, i32 1
47  tail call void @llvm.memset.p0.i32(ptr nonnull align 4 %_update, i8 0, i32 16, i1 false) #4
48  %tobool = icmp eq ptr %event_pointer, null
49  br i1 %tobool, label %if.then, label %if.else
50
51if.then:                                          ; preds = %entry
52  %call4 = tail call i32 @equeue_create(ptr %this, i32 %event_size) #5
53  br label %if.end
54
55if.else:                                          ; preds = %entry
56  %call6 = tail call i32 @equeue_create_inplace(ptr %this, i32 %event_size, ptr nonnull %event_pointer) #5
57  br label %if.end
58
59if.end:                                           ; preds = %if.else, %if.then
60  ret ptr %this
61}
62
63declare dso_local i32 @equeue_create(ptr, i32) local_unnamed_addr #1
64declare dso_local i32 @equeue_create_inplace(ptr, i32, ptr) local_unnamed_addr #1
65declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1 immarg) #2
66