1; RUN: llc -mtriple=thumbv8m.base-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2BASE %s
2; RUN: llc -mtriple=thumbv7m-eabi      -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s
3; RUN: llc -mtriple=thumbv8m.main-eabi -mattr=+execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s
4
5@var = global i32 0
6
7define i32 @global() minsize {
8; CHECK-LABEL: global:
9; CHECK: movw [[GLOBDEST:r[0-9]+]], :lower16:var
10; CHECK: movt [[GLOBDEST]], :upper16:var
11
12  %val = load i32, i32* @var
13  ret i32 %val
14}
15
16define i32 @jump_table(i32 %c, i32 %a, i32 %b) #0 {
17; CHECK-LABEL: jump_table:
18; CHECK-T2: adr.w   [[REG_JT:r[0-9]+]], .LJTI1_0
19; CHECK-T2: add.w   [[REG_ENTRY:r[0-9]+]], [[REG_JT]], {{r[0-9]+}}, lsl #2
20; CHECK-T2: mov     pc, [[REG_ENTRY]]
21
22; CHECK-T2BASE: lsls    [[REG_OFFSET:r[0-9]+]], {{r[0-9]+}}, #2
23; CHECK-T2BASE: adr     [[REG_JT:r[0-9]+]], .LJTI1_0
24; CHECK-T2BASE: adds    [[REG_ENTRY:r[0-9]+]], [[REG_JT]], [[REG_OFFSET]]
25; CHECK-T2BASE: mov     pc, [[REG_ENTRY]]
26
27; CHECK-LABEL: .LJTI1_0:
28; CHECK-NEXT: b.w
29; CHECK-NEXT: b.w
30; CHECK-NEXT: b.w
31; CHECK-NEXT: b.w
32; CHECK-NEXT: b.w
33; CHECK-NEXT: b.w
34
35entry:
36  switch i32 %c, label %return [
37    i32 1, label %sw.bb
38    i32 2, label %sw.bb1
39    i32 3, label %sw.bb3
40    i32 4, label %sw.bb4
41    i32 5, label %sw.bb6
42    i32 6, label %sw.bb8
43  ]
44
45sw.bb:                                            ; preds = %entry
46  %add = add nsw i32 %a, 6
47  br label %return
48
49sw.bb1:                                           ; preds = %entry
50  %add2 = add nsw i32 %a, 4
51  br label %return
52
53sw.bb3:                                           ; preds = %entry
54  %sub = add nsw i32 %a, -3
55  br label %return
56
57sw.bb4:                                           ; preds = %entry
58  %add5 = add nsw i32 %b, 5
59  br label %return
60
61sw.bb6:                                           ; preds = %entry
62  %add7 = add nsw i32 %a, 1
63  br label %return
64
65sw.bb8:                                           ; preds = %entry
66  %add9 = add nsw i32 %a, 2
67  br label %return
68
69return:                                           ; preds = %entry, %sw.bb8, %sw.bb6, %sw.bb4, %sw.bb3, %sw.bb1, %sw.bb
70  %retval.0 = phi i32 [ %add9, %sw.bb8 ], [ %add7, %sw.bb6 ], [ %add5, %sw.bb4 ], [ %sub, %sw.bb3 ], [ %add2, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ]
71  ret i32 %retval.0
72}
73
74@.str = private unnamed_addr constant [4 x i8] c"FOO\00", align 1
75
76define hidden i8* @string_literal() {
77entry:
78; CHECK-LABEL: string_literal:
79; CHECK-NOT: .asciz
80; CHECK: .fnend
81    ret i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0)
82}
83