1# RUN: llc -O0 -mtriple arm-linux -relocation-model=pic -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF
2# RUN: llc -O0 -mtriple arm-linux -relocation-model=pic -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,ELF
3# RUN: llc -O0 -mtriple arm-darwin -relocation-model=pic -mattr=+no-movt -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-NOMOVT
4# RUN: llc -O0 -mtriple arm-darwin -relocation-model=pic -mattr=-no-movt,+v8m -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=CHECK,DARWIN-MOVT
5--- |
6  @internal_global = internal global i32 42
7  define void @test_internal_global() { ret void }
8
9  @external_global = external global i32
10  define void @test_external_global() { ret void }
11
12  @internal_constant = internal constant i32 42
13  define void @test_internal_constant() { ret void }
14
15  @external_constant = external constant i32
16  define void @test_external_constant() { ret void }
17...
18---
19name:            test_internal_global
20# CHECK-LABEL: name: test_internal_global
21legalized:       true
22regBankSelected: true
23selected:        false
24# CHECK: selected: true
25registers:
26  - { id: 0, class: gprb }
27  - { id: 1, class: gprb }
28body:             |
29  bb.0:
30    %0(p0) = G_GLOBAL_VALUE @internal_global
31    ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel {{.*}}@internal_global
32    ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel {{.*}}@internal_global
33    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel {{.*}}@internal_global
34
35    %1(s32) = G_LOAD %0(p0) :: (load 4 from @internal_global)
36    ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @internal_global)
37
38    $r0 = COPY %1(s32)
39    ; CHECK: $r0 = COPY [[V]]
40
41    BX_RET 14, $noreg, implicit $r0
42    ; CHECK: BX_RET 14, $noreg, implicit $r0
43...
44---
45name:            test_external_global
46# CHECK-LABEL: name: test_external_global
47legalized:       true
48regBankSelected: true
49selected:        false
50# CHECK: selected: true
51registers:
52  - { id: 0, class: gprb }
53  - { id: 1, class: gprb }
54body:             |
55  bb.0:
56    %0(p0) = G_GLOBAL_VALUE @external_global
57    ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr {{.*}} @external_global :: (load 4 from got)
58    ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr {{.*}}@external_global :: (load 4 from got)
59    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_global :: (load 4 from got)
60
61    %1(s32) = G_LOAD %0(p0) :: (load 4 from @external_global)
62    ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @external_global)
63
64    $r0 = COPY %1(s32)
65    ; CHECK: $r0 = COPY [[V]]
66
67    BX_RET 14, $noreg, implicit $r0
68    ; CHECK: BX_RET 14, $noreg, implicit $r0
69...
70---
71name:            test_internal_constant
72# CHECK-LABEL: name: test_internal_constant
73legalized:       true
74regBankSelected: true
75selected:        false
76# CHECK: selected: true
77registers:
78  - { id: 0, class: gprb }
79  - { id: 1, class: gprb }
80body:             |
81  bb.0:
82    %0(p0) = G_GLOBAL_VALUE @internal_constant
83    ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel {{.*}}@internal_constant
84    ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel {{.*}}@internal_constant
85    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel {{.*}}@internal_constant
86
87    %1(s32) = G_LOAD %0(p0) :: (load 4 from @internal_constant)
88    ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @internal_constant)
89
90    $r0 = COPY %1(s32)
91    ; CHECK: $r0 = COPY [[V]]
92
93    BX_RET 14, $noreg, implicit $r0
94    ; CHECK: BX_RET 14, $noreg, implicit $r0
95...
96---
97name:            test_external_constant
98# CHECK-LABEL: name: test_external_constant
99legalized:       true
100regBankSelected: true
101selected:        false
102# CHECK: selected: true
103registers:
104  - { id: 0, class: gprb }
105  - { id: 1, class: gprb }
106body:             |
107  bb.0:
108    %0(p0) = G_GLOBAL_VALUE @external_constant
109    ; DARWIN-MOVT: [[G:%[0-9]+]]:gpr = MOV_ga_pcrel_ldr {{.*}} @external_constant :: (load 4 from got)
110    ; DARWIN-NOMOVT: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr {{.*}}@external_constant :: (load 4 from got)
111    ; ELF: [[G:%[0-9]+]]:gpr = LDRLIT_ga_pcrel_ldr target-flags(arm-got) @external_constant :: (load 4 from got)
112
113    %1(s32) = G_LOAD %0(p0) :: (load 4 from @external_constant)
114    ; CHECK: [[V:%[0-9]+]]:gpr = LDRi12 [[G]], 0, 14, $noreg :: (load 4 from @external_constant)
115
116    $r0 = COPY %1(s32)
117    ; CHECK: $r0 = COPY [[V]]
118
119    BX_RET 14, $noreg, implicit $r0
120    ; CHECK: BX_RET 14, $noreg, implicit $r0
121...
122