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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --no-generate-body-for-unused-prefixes
; RUN: llc -mtriple=riscv64 --relocation-model=pic < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 --relocation-model=static < %s | FileCheck %s
@global_ext = external global i32
@global_int = internal global i32 0
declare void @func()
define ptr @global_addr() #0 {
; CHECK-LABEL: global_addr:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi0:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_ext)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi0)(a0)
; CHECK-NEXT: ret
ret ptr @global_ext
}
define i32 @global_load() #0 {
; CHECK-LABEL: global_load:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi1:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_ext)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi1)(a0)
; CHECK-NEXT: lw a0, 0(a0)
; CHECK-NEXT: ret
%load = load i32, ptr @global_ext
ret i32 %load
}
define void @global_store() #0 {
; CHECK-LABEL: global_store:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi2:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_ext)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi2)(a0)
; CHECK-NEXT: sw zero, 0(a0)
; CHECK-NEXT: ret
store i32 0, ptr @global_ext
ret void
}
define ptr @global_int_addr() #0 {
; CHECK-LABEL: global_int_addr:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi3:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_int)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi3)(a0)
; CHECK-NEXT: ret
ret ptr @global_int
}
define i32 @global_int_load() #0 {
; CHECK-LABEL: global_int_load:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi4:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_int)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi4)(a0)
; CHECK-NEXT: lw a0, 0(a0)
; CHECK-NEXT: ret
%load = load i32, ptr @global_int
ret i32 %load
}
define void @global_int_store() #0 {
; CHECK-LABEL: global_int_store:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi5:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(global_int)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi5)(a0)
; CHECK-NEXT: sw zero, 0(a0)
; CHECK-NEXT: ret
store i32 0, ptr @global_int
ret void
}
define ptr @func_addr() #0 {
; CHECK-LABEL: func_addr:
; CHECK: # %bb.0:
; CHECK-NEXT: .Lpcrel_hi6:
; CHECK-NEXT: auipc a0, %got_pcrel_hi(func)
; CHECK-NEXT: ld a0, %pcrel_lo(.Lpcrel_hi6)(a0)
; CHECK-NEXT: ret
ret ptr @func
}
attributes #0 = { "target-features"="+tagged-globals" }
|
