source: icGREP/icgrep-devel/llvm-3.6.1.src/test/CodeGen/AArch64/arm64-tls-dynamics.ll @ 4664

Last change on this file since 4664 was 4664, checked in by cameron, 4 years ago

Upgrade LLVM to 3.6.1

File size: 6.5 KB
Line 
1; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -verify-machineinstrs < %s | FileCheck %s
2; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
3; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOLD %s
4; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-NOLD-RELOC %s
5
6@general_dynamic_var = external thread_local global i32
7
8define i32 @test_generaldynamic() {
9; CHECK-LABEL: test_generaldynamic:
10
11  %val = load i32* @general_dynamic_var
12  ret i32 %val
13
14; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
15; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
16; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
17; CHECK-NEXT: .tlsdesccall general_dynamic_var
18; CHECK-NEXT: blr [[CALLEE]]
19
20; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
21; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
22; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
23; CHECK-NOLD-NEXT: .tlsdesccall general_dynamic_var
24; CHECK-NOLD-NEXT: blr [[CALLEE]]
25
26
27; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0
28; CHECK: ldr w0, [x[[TP]], x0]
29; CHECK-NOLD: mrs x[[TP:[0-9]+]], TPIDR_EL0
30; CHECK-NOLD: ldr w0, [x[[TP]], x0]
31
32; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
33; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
34; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
35; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
36
37; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
38; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
39; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
40; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
41
42}
43
44define i32* @test_generaldynamic_addr() {
45; CHECK-LABEL: test_generaldynamic_addr:
46
47  ret i32* @general_dynamic_var
48
49; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
50; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
51; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
52; CHECK-NEXT: .tlsdesccall general_dynamic_var
53; CHECK-NEXT: blr [[CALLEE]]
54
55; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0
56; CHECK: add x0, [[TP]], x0
57
58; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
59; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
60; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
61; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
62
63; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
64; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
65; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
66; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
67
68}
69
70@local_dynamic_var = external thread_local(localdynamic) global i32
71
72define i32 @test_localdynamic() {
73; CHECK-LABEL: test_localdynamic:
74
75  %val = load i32* @local_dynamic_var
76  ret i32 %val
77
78; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
79; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
80; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
81; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
82; CHECK-NEXT: blr [[CALLEE]]
83; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var
84; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var
85; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
86; CHECK: ldr w0, [x[[TPIDR]], x[[TPOFF]]]
87
88; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var
89; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var]
90; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var
91; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var
92; CHECK-NOLD-NEXT: blr [[CALLEE]]
93; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
94; CHECK-NOLD: ldr w0, [x[[TPIDR]], x0]
95
96
97; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
98; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
99; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
100; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
101; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12
102; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC
103
104; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
105; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
106; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
107; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
108
109}
110
111define i32* @test_localdynamic_addr() {
112; CHECK-LABEL: test_localdynamic_addr:
113
114; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
115; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
116; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
117; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
118; CHECK-NEXT: blr [[CALLEE]]
119; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var
120; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var
121; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
122; CHECK: add x0, x[[TPIDR]], x[[TPOFF]]
123
124; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var
125; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var]
126; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var
127; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var
128; CHECK-NOLD-NEXT: blr [[CALLEE]]
129; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
130; CHECK-NOLD: add x0, x[[TPIDR]], x0
131  ret i32* @local_dynamic_var
132
133; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
134; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
135; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
136; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
137; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12
138; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC
139
140; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
141; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12_NC
142; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12_NC
143; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
144}
145
146; The entire point of the local-dynamic access model is to have a single call to
147; the expensive resolver. Make sure we achieve that goal.
148
149@local_dynamic_var2 = external thread_local(localdynamic) global i32
150
151define i32 @test_localdynamic_deduplicate() {
152; CHECK-LABEL: test_localdynamic_deduplicate:
153
154  %val = load i32* @local_dynamic_var
155  %val2 = load i32* @local_dynamic_var2
156
157  %sum = add i32 %val, %val2
158  ret i32 %sum
159
160; CHECK: adrp x[[DTPREL_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
161; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[DTPREL_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
162; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE
163; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
164; CHECK-NEXT: blr [[CALLEE]]
165
166; CHECK-NOT: _TLS_MODULE_BASE_
167
168; CHECK: ret
169}
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