aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/CodeGen/ARM/global-merge-external.ll
blob: 4fe1914aae351c0634b75cea9a6017152484a2d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge                                 | FileCheck %s --check-prefixes=CHECK,CHECK-MERGE
; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=true  | FileCheck %s --check-prefixes=CHECK,CHECK-MERGE
; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -global-merge-on-external=false | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
; RUN: llc < %s -mtriple=arm-macho -arm-global-merge                                 | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
; RUN: llc < %s -mtriple=arm-eabi  -arm-global-merge -relocation-model=pic           | FileCheck %s --check-prefixes=CHECK,CHECK-NO-MERGE
; RUN: llc < %s -mtriple=thumbv7-win32 -arm-global-merge                             | FileCheck %s --check-prefixes=CHECK-WIN32

@x = dso_local global i32 0, align 4
@y = dso_local global i32 0, align 4
@z = dso_local global i32 0, align 4

define dso_local void @f1(i32 %a1, i32 %a2) {
;CHECK:          f1:
;CHECK:          ldr {{r[0-9]+}}, [[LABEL1:\.?LCPI[0-9]+_[0-9]]]
;CHECK:          [[LABEL1]]:
;CHECK-MERGE:    .long .L_MergedGlobals
;CHECK-NO-MERGE: .long {{_?x|.L_MergedGlobals}}
;CHECK-WIN32:    f1:
;CHECK-WIN32:    movw [[REG1:r[0-9]+]], :lower16:.L_MergedGlobals
;CHECK-WIN32:    movt [[REG1]], :upper16:.L_MergedGlobals
  store i32 %a1, ptr @x, align 4
  store i32 %a2, ptr @y, align 4
  ret void
}

define dso_local void @g1(i32 %a1, i32 %a2) {
;CHECK:          g1:
;CHECK:          ldr {{r[0-9]+}}, [[LABEL2:\.?LCPI[0-9]+_[0-9]]]
;CHECK:          [[LABEL2]]:
;CHECK-MERGE:    .long .L_MergedGlobals
;CHECK-NO-MERGE: .long {{_?y|.L_MergedGlobals}}
;CHECK-WIN32:    g1:
;CHECK-WIN32:    movw [[REG2:r[0-9]+]], :lower16:.L_MergedGlobals
;CHECK-WIN32:    movt [[REG2]], :upper16:.L_MergedGlobals
  store i32 %a1, ptr @y, align 4
  store i32 %a2, ptr @z, align 4
  ret void
}

;CHECK-NO-MERGE-NOT: .globl .L_MergedGlobals

;CHECK-MERGE:	.type	.L_MergedGlobals,%object
;CHECK-MERGE:	.local	.L_MergedGlobals
;CHECK-MERGE:	.comm	.L_MergedGlobals,12,4
;CHECK-WIN32:	.lcomm	.L_MergedGlobals,12,4

;CHECK-MERGE:	.globl	x
;CHECK-MERGE: x = .L_MergedGlobals
;CHECK-MERGE: .size x, 4
;CHECK-MERGE:	.globl	y
;CHECK-MERGE: y = .L_MergedGlobals+4
;CHECK-MERGE: .size y, 4
;CHECK-MERGE:	.globl	z
;CHECK-MERGE: z = .L_MergedGlobals+8
;CHECK-MERGE: .size z, 4

;CHECK-WIN32:	.globl	x
;CHECK-WIN32: x = .L_MergedGlobals
;CHECK-WIN32:	.globl	y
;CHECK-WIN32: y = .L_MergedGlobals+4
;CHECK-WIN32:	.globl	z
;CHECK-WIN32: z = .L_MergedGlobals+8