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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 -mattr=+d < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s --check-prefix=LA64
;; Check that stptr.w is not emitted for small offsets.
define void @stptr_w_too_small_offset(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w_too_small_offset:
; LA32: # %bb.0:
; LA32-NEXT: st.w $a1, $a0, 2044
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_w_too_small_offset:
; LA64: # %bb.0:
; LA64-NEXT: st.w $a1, $a0, 2044
; LA64-NEXT: ret
%addr = getelementptr inbounds i32, ptr %p, i64 511
store i32 %val, ptr %addr, align 4
ret void
}
;; Check that stptr.w is emitted for applicable offsets.
define void @stptr_w(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $a0, $a0, 2047
; LA32-NEXT: addi.w $a0, $a0, 1
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_w:
; LA64: # %bb.0:
; LA64-NEXT: stptr.w $a1, $a0, 2048
; LA64-NEXT: ret
%addr = getelementptr inbounds i32, ptr %p, i64 512
store i32 %val, ptr %addr, align 4
ret void
}
;; Check that stptr.w is not emitted for out-of-range offsets.
define void @stptr_w_too_big_offset(ptr %p, i32 signext %val) nounwind {
; LA32-LABEL: stptr_w_too_big_offset:
; LA32: # %bb.0:
; LA32-NEXT: lu12i.w $a2, 8
; LA32-NEXT: add.w $a0, $a0, $a2
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_w_too_big_offset:
; LA64: # %bb.0:
; LA64-NEXT: lu12i.w $a2, 8
; LA64-NEXT: stx.w $a1, $a0, $a2
; LA64-NEXT: ret
%addr = getelementptr inbounds i32, ptr %p, i64 8192
store i32 %val, ptr %addr, align 4
ret void
}
;; Check that stptr.d is not emitted for small offsets.
define void @stptr_d_too_small_offset(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d_too_small_offset:
; LA32: # %bb.0:
; LA32-NEXT: st.w $a2, $a0, 2044
; LA32-NEXT: st.w $a1, $a0, 2040
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_d_too_small_offset:
; LA64: # %bb.0:
; LA64-NEXT: st.d $a1, $a0, 2040
; LA64-NEXT: ret
%addr = getelementptr inbounds i64, ptr %p, i64 255
store i64 %val, ptr %addr, align 8
ret void
}
;; Check that stptr.d is emitted for applicable offsets.
define void @stptr_d(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d:
; LA32: # %bb.0:
; LA32-NEXT: addi.w $a0, $a0, 2047
; LA32-NEXT: addi.w $a0, $a0, 1
; LA32-NEXT: st.w $a2, $a0, 4
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_d:
; LA64: # %bb.0:
; LA64-NEXT: stptr.d $a1, $a0, 2048
; LA64-NEXT: ret
%addr = getelementptr inbounds i64, ptr %p, i64 256
store i64 %val, ptr %addr, align 8
ret void
}
;; Check that stptr.d is not emitted for out-of-range offsets.
define void @stptr_d_too_big_offset(ptr %p, i64 %val) nounwind {
; LA32-LABEL: stptr_d_too_big_offset:
; LA32: # %bb.0:
; LA32-NEXT: lu12i.w $a3, 8
; LA32-NEXT: add.w $a0, $a0, $a3
; LA32-NEXT: st.w $a2, $a0, 4
; LA32-NEXT: st.w $a1, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: stptr_d_too_big_offset:
; LA64: # %bb.0:
; LA64-NEXT: lu12i.w $a2, 8
; LA64-NEXT: stx.d $a1, $a0, $a2
; LA64-NEXT: ret
%addr = getelementptr inbounds i64, ptr %p, i64 4096
store i64 %val, ptr %addr, align 8
ret void
}
|