1; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge                                 | FileCheck %s --check-prefixes=CHECK,CHECK-MERGE
2; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=true  | FileCheck %s --check-prefixes=CHECK,CHECK-MERGE
3; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=false | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
4; RUN: llc < %s -mtriple=arm-macho -arm-global-merge                                 | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
5; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -relocation-model=pic           | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
6; RUN: llc < %s -mtriple=thumbv7-win32 -arm-global-merge                             | FileCheck %s --check-prefixes=CHECK-WIN32
7
8@x = global i32 0, align 4
9@y = global i32 0, align 4
10@z = internal global i32 1, align 4
11
12define void @f1(i32 %a1, i32 %a2) {
13;CHECK:          f1:
14;CHECK:          ldr {{r[0-9]+}}, [[LABEL1:\.?LCPI[0-9]+_[0-9]]]
15;CHECK:          [[LABEL1]]:
16;CHECK-MERGE:    .long .L_MergedGlobals
17;CHECK-NO-MERGE: .long {{_?x}}
18;CHECK-WIN32:    f1:
19;CHECK-WIN32:    movw [[REG1:r[0-9]+]], :lower16:.L_MergedGlobals
20;CHECK-WIN32:    movt [[REG1]], :upper16:.L_MergedGlobals
21  store i32 %a1, i32* @x, align 4
22  store i32 %a2, i32* @y, align 4
23  ret void
24}
25
26define void @g1(i32 %a1, i32 %a2) {
27;CHECK:          g1:
28;CHECK:          ldr {{r[0-9]+}}, [[LABEL2:\.?LCPI[0-9]+_[0-9]]]
29;CHECK:          ldr {{r[0-9]+}}, [[LABEL3:\.?LCPI[0-9]+_[0-9]]]
30;CHECK:          [[LABEL2]]:
31;CHECK-MERGE:    .long {{_?z}}
32;CHECK:          [[LABEL3]]:
33;CHECK-MERGE:    .long .L_MergedGlobals
34;CHECK-NO-MERGE: .long {{_?y}}
35;CHECK-WIN32:    g1:
36;CHECK-WIN32:    movw    [[REG2:r[0-9]+]], :lower16:z
37;CHECK-WIN32:    movt    [[REG2]], :upper16:z
38;CHECK-WIN32:    movw [[REG3:r[0-9]+]], :lower16:.L_MergedGlobals
39;CHECK-WIN32:    movt [[REG3]], :upper16:.L_MergedGlobals
40  store i32 %a1, i32* @y, align 4
41  store i32 %a2, i32* @z, align 4
42  ret void
43}
44
45;CHECK-NO-MERGE-NOT: .globl .L_MergedGlobals
46
47;CHECK-MERGE:   .type   .L_MergedGlobals,%object
48;CHECK-MERGE:   .local  .L_MergedGlobals
49;CHECK-MERGE:   .comm   .L_MergedGlobals,8,4
50;CHECK-WIN32:   .lcomm  .L_MergedGlobals,8,4
51
52;CHECK-MERGE:   .globl  x
53;CHECK-MERGE: .set x, .L_MergedGlobals
54;CHECK-MERGE: .size x, 4
55;CHECK-MERGE:   .globl  y
56;CHECK-MERGE: .set y, .L_MergedGlobals+4
57;CHECK-MERGE: .size y, 4
58;CHECK-MERGE-NOT: .set z, .L_MergedGlobals+8
59
60
61;CHECK-WIN32:   .globl  x
62;CHECK-WIN32: .set x, .L_MergedGlobals
63;CHECK-WIN32:   .globl  y
64;CHECK-WIN32: .set y, .L_MergedGlobals+4
65;CHECK-WIN32-NOT: .set z, .L_MergedGlobals+8
66