xref: /llvm-project/llvm/test/CodeGen/ARM/global-merge-external.ll (revision 6671616cdeeb98b15c411d77d9d8c0466fab1bdb)
1; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge                                 | FileCheck %s --check-prefix=CHECK-MERGE
2; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=true  | FileCheck %s --check-prefix=CHECK-MERGE
3; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=false | FileCheck %s --check-prefix=CHECK-NO-MERGE
4; RUN: llc < %s -mtriple=arm-macho -arm-global-merge                                 | FileCheck %s --check-prefix=CHECK-NO-MERGE
5; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -relocation-model=pic           | FileCheck %s --check-prefix=CHECK-NO-MERGE
6
7@x = global i32 0, align 4
8@y = global i32 0, align 4
9@z = global i32 0, align 4
10
11define void @f1(i32 %a1, i32 %a2) {
12;CHECK:          f1:
13;CHECK:          ldr {{r[0-9]+}}, [[LABEL1:\.LCPI[0-9]+_[0-9]]]
14;CHECK:          [[LABEL1]]:
15;CHECK-MERGE:    .long .L_MergedGlobals
16;CHECK-NO-MERGE: .long {{_?x}}
17  store i32 %a1, i32* @x, align 4
18  store i32 %a2, i32* @y, align 4
19  ret void
20}
21
22define void @g1(i32 %a1, i32 %a2) {
23;CHECK:          g1:
24;CHECK:          ldr {{r[0-9]+}}, [[LABEL2:\.LCPI[0-9]+_[0-9]]]
25;CHECK:          [[LABEL2]]:
26;CHECK-MERGE:    .long .L_MergedGlobals
27;CHECK-NO-MERGE: .long {{_?y}}
28  store i32 %a1, i32* @y, align 4
29  store i32 %a2, i32* @z, align 4
30  ret void
31}
32
33;CHECK-NO-MERGE-NOT: .globl .L_MergedGlobals
34
35;CHECK-MERGE:	.type	.L_MergedGlobals,%object
36;CHECK-MERGE:	.local	.L_MergedGlobals
37;CHECK-MERGE:	.comm	.L_MergedGlobals,12,4
38
39;CHECK-MERGE:	.globl	x
40;CHECK-MERGE: x = .L_MergedGlobals
41;CHECK-MERGE: .size x, 4
42;CHECK-MERGE:	.globl	y
43;CHECK-MERGE: y = .L_MergedGlobals+4
44;CHECK-MERGE: .size y, 4
45;CHECK-MERGE:	.globl	z
46;CHECK-MERGE: z = .L_MergedGlobals+8
47;CHECK-MERGE: .size z, 4
48