xref: /llvm-project/llvm/test/CodeGen/X86/tagged-globals-pic.ll (revision 68c976bf64f50fe9c16a335378a964c166851962)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
2; RUN: llc --relocation-model=pic -code-model=small < %s | FileCheck %s
3; RUN: llc --relocation-model=pic -code-model=medium < %s | FileCheck %s
4; RUN: llc --relocation-model=pic -code-model=large < %s | FileCheck %s --check-prefix=LARGE
5
6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7target triple = "x86_64-unknown-linux-gnu"
8
9@global = external global i32
10declare void @func()
11
12define ptr @global_addr() #0 {
13; CHECK-LABEL: global_addr:
14; CHECK:       # %bb.0:
15; CHECK-NEXT:    movq global@GOTPCREL_NORELAX(%rip), %rax
16; CHECK-NEXT:    retq
17;
18; LARGE-LABEL: global_addr:
19; LARGE:       # %bb.0:
20; LARGE-NEXT:  .L0$pb:
21; LARGE-NEXT:    leaq .L0$pb(%rip), %rax
22; LARGE-NEXT:    movabsq $_GLOBAL_OFFSET_TABLE_-.L0$pb, %rcx
23; LARGE-NEXT:    addq %rax, %rcx
24; LARGE-NEXT:    movabsq $global@GOT, %rax
25; LARGE-NEXT:    movq (%rcx,%rax), %rax
26; LARGE-NEXT:    retq
27  ret ptr @global
28}
29
30define i32 @global_load() #0 {
31; CHECK-LABEL: global_load:
32; CHECK:       # %bb.0:
33; CHECK-NEXT:    movq global@GOTPCREL_NORELAX(%rip), %rax
34; CHECK-NEXT:    movl (%rax), %eax
35; CHECK-NEXT:    retq
36;
37; LARGE-LABEL: global_load:
38; LARGE:       # %bb.0:
39; LARGE-NEXT:  .L1$pb:
40; LARGE-NEXT:    leaq .L1$pb(%rip), %rax
41; LARGE-NEXT:    movabsq $_GLOBAL_OFFSET_TABLE_-.L1$pb, %rcx
42; LARGE-NEXT:    addq %rax, %rcx
43; LARGE-NEXT:    movabsq $global@GOT, %rax
44; LARGE-NEXT:    movq (%rcx,%rax), %rax
45; LARGE-NEXT:    movl (%rax), %eax
46; LARGE-NEXT:    retq
47  %load = load i32, ptr @global
48  ret i32 %load
49}
50
51define void @global_store() #0 {
52; CHECK-LABEL: global_store:
53; CHECK:       # %bb.0:
54; CHECK-NEXT:    movq global@GOTPCREL_NORELAX(%rip), %rax
55; CHECK-NEXT:    movl $0, (%rax)
56; CHECK-NEXT:    retq
57;
58; LARGE-LABEL: global_store:
59; LARGE:       # %bb.0:
60; LARGE-NEXT:  .L2$pb:
61; LARGE-NEXT:    leaq .L2$pb(%rip), %rax
62; LARGE-NEXT:    movabsq $_GLOBAL_OFFSET_TABLE_-.L2$pb, %rcx
63; LARGE-NEXT:    addq %rax, %rcx
64; LARGE-NEXT:    movabsq $global@GOT, %rax
65; LARGE-NEXT:    movq (%rcx,%rax), %rax
66; LARGE-NEXT:    movl $0, (%rax)
67; LARGE-NEXT:    retq
68  store i32 0, ptr @global
69  ret void
70}
71
72define ptr @func_addr() #0 {
73; CHECK-LABEL: func_addr:
74; CHECK:       # %bb.0:
75; CHECK-NEXT:    movq func@GOTPCREL(%rip), %rax
76; CHECK-NEXT:    retq
77;
78; LARGE-LABEL: func_addr:
79; LARGE:       # %bb.0:
80; LARGE-NEXT:  .L3$pb:
81; LARGE-NEXT:    leaq .L3$pb(%rip), %rax
82; LARGE-NEXT:    movabsq $_GLOBAL_OFFSET_TABLE_-.L3$pb, %rcx
83; LARGE-NEXT:    addq %rax, %rcx
84; LARGE-NEXT:    movabsq $func@GOT, %rax
85; LARGE-NEXT:    movq (%rcx,%rax), %rax
86; LARGE-NEXT:    retq
87  ret ptr @func
88}
89
90attributes #0 = { "target-features"="+tagged-globals" }
91