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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64_be -o - %s | FileCheck %s --check-prefix CHECK-BE
; RUN: llc -mtriple=aarch64 -o - %s | FileCheck %s --check-prefix CHECK-LE
define i8 @test1(i32 %a, ptr %pa) {
; CHECK-BE-LABEL: test1:
; CHECK-BE: // %bb.0:
; CHECK-BE-NEXT: mov w8, w0
; CHECK-BE-NEXT: lsr w0, w0, #24
; CHECK-BE-NEXT: str w8, [x1]
; CHECK-BE-NEXT: ret
;
; CHECK-LE-LABEL: test1:
; CHECK-LE: // %bb.0:
; CHECK-LE-NEXT: str w0, [x1]
; CHECK-LE-NEXT: ret
store i32 %a, ptr %pa
%res = load i8, ptr %pa
ret i8 %res
}
define i8 @test2(i32 %a, ptr %pa) {
; CHECK-BE-LABEL: test2:
; CHECK-BE: // %bb.0:
; CHECK-BE-NEXT: str w0, [x1]
; CHECK-BE-NEXT: ldrb w0, [x1, #1]
; CHECK-BE-NEXT: ret
;
; CHECK-LE-LABEL: test2:
; CHECK-LE: // %bb.0:
; CHECK-LE-NEXT: str w0, [x1]
; CHECK-LE-NEXT: ubfx w0, w0, #8, #8
; CHECK-LE-NEXT: ret
%p8 = getelementptr i8, ptr %pa, i32 1
store i32 %a, ptr %pa
%res = load i8, ptr %p8
ret i8 %res
}
define i8 @test3(i32 %a, ptr %pa) {
; CHECK-BE-LABEL: test3:
; CHECK-BE: // %bb.0:
; CHECK-BE-NEXT: str w0, [x1]
; CHECK-BE-NEXT: ldrb w0, [x1, #2]
; CHECK-BE-NEXT: ret
;
; CHECK-LE-LABEL: test3:
; CHECK-LE: // %bb.0:
; CHECK-LE-NEXT: str w0, [x1]
; CHECK-LE-NEXT: ubfx w0, w0, #16, #8
; CHECK-LE-NEXT: ret
%p8 = getelementptr i8, ptr %pa, i32 2
store i32 %a, ptr %pa
%res = load i8, ptr %p8
ret i8 %res
}
define i8 @test4(i32 %a, ptr %pa) {
; CHECK-BE-LABEL: test4:
; CHECK-BE: // %bb.0:
; CHECK-BE-NEXT: str w0, [x1]
; CHECK-BE-NEXT: ret
;
; CHECK-LE-LABEL: test4:
; CHECK-LE: // %bb.0:
; CHECK-LE-NEXT: str w0, [x1]
; CHECK-LE-NEXT: lsr w0, w0, #24
; CHECK-LE-NEXT: ret
%p8 = getelementptr i8, ptr %pa, i32 3
store i32 %a, ptr %pa
%res = load i8, ptr %p8
ret i8 %res
}
|
