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
| ; RUN: llc -mtriple=aarch64-none-eabi -code-model=tiny < %s | FileCheck %s
@var8 = global i8 0
@var16 = global i16 0
@var32 = global i32 0
@var64 = global i64 0
define i8* @global_addr() {
; CHECK-LABEL: global_addr:
ret i8* @var8
; The adr calculation should end up returned directly in x0.
; CHECK: adr x0, var8
; CHECK-NEXT: ret
}
define i8 @global_i8() {
; CHECK-LABEL: global_i8:
%val = load i8, i8* @var8
ret i8 %val
; CHECK: adr x[[ADDR_REG:[0-9]+]], var8
; CHECK: ldrb w0, [x[[ADDR_REG]]]
}
define i16 @global_i16() {
; CHECK-LABEL: global_i16:
%val = load i16, i16* @var16
ret i16 %val
; CHECK: adr x[[ADDR_REG:[0-9]+]], var16
; CHECK: ldrh w0, [x[[ADDR_REG]]]
}
define i32 @global_i32() {
; CHECK-LABEL: global_i32:
%val = load i32, i32* @var32
ret i32 %val
; CHECK: ldr w0, var32
}
define i64 @global_i64() {
; CHECK-LABEL: global_i64:
%val = load i64, i64* @var64
ret i64 %val
; CHECK: ldr x0, var64
}
define <2 x i64> @constpool() {
; CHECK-LABEL: constpool:
ret <2 x i64> <i64 123456789, i64 987654321100>
; CHECK: adr x[[ADDR_REG:[0-9]+]], {{.LCPI[0-9]+_[0-9]+}}
; CHECK: ldr q0, [x[[ADDR_REG]]]
}
|