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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ndd -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+ndd,nf -verify-machineinstrs | FileCheck --check-prefix=NF %s
define i8 @dec8r(i8 noundef %a) {
; CHECK-LABEL: dec8r:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decb %dil, %al
; CHECK-NEXT: retq
;
; NF-LABEL: dec8r:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decb %dil, %al
; NF-NEXT: retq
entry:
%dec = sub i8 %a, 1
ret i8 %dec
}
define i16 @dec16r(i16 noundef %a) {
; CHECK-LABEL: dec16r:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decw %di, %ax
; CHECK-NEXT: retq
;
; NF-LABEL: dec16r:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decw %di, %ax
; NF-NEXT: retq
entry:
%dec = sub i16 %a, 1
ret i16 %dec
}
define i32 @dec32r(i32 noundef %a) {
; CHECK-LABEL: dec32r:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decl %edi, %eax
; CHECK-NEXT: retq
;
; NF-LABEL: dec32r:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decl %edi, %eax
; NF-NEXT: retq
entry:
%dec = sub i32 %a, 1
ret i32 %dec
}
define i64 @dec64r(i64 noundef %a) {
; CHECK-LABEL: dec64r:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decq %rdi, %rax
; CHECK-NEXT: retq
;
; NF-LABEL: dec64r:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decq %rdi, %rax
; NF-NEXT: retq
entry:
%dec = sub i64 %a, 1
ret i64 %dec
}
define i8 @dec8m(ptr %ptr) {
; CHECK-LABEL: dec8m:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decb (%rdi), %al
; CHECK-NEXT: retq
;
; NF-LABEL: dec8m:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decb (%rdi), %al
; NF-NEXT: retq
entry:
%a = load i8, ptr %ptr
%dec = sub i8 %a, 1
ret i8 %dec
}
define i16 @dec16m(ptr %ptr) {
; CHECK-LABEL: dec16m:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decw (%rdi), %ax
; CHECK-NEXT: retq
;
; NF-LABEL: dec16m:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decw (%rdi), %ax
; NF-NEXT: retq
entry:
%a = load i16, ptr %ptr
%dec = sub i16 %a, 1
ret i16 %dec
}
define i32 @dec32m(ptr %ptr) {
; CHECK-LABEL: dec32m:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decl (%rdi), %eax
; CHECK-NEXT: retq
;
; NF-LABEL: dec32m:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decl (%rdi), %eax
; NF-NEXT: retq
entry:
%a = load i32, ptr %ptr
%dec = sub i32 %a, 1
ret i32 %dec
}
define i64 @dec64m(ptr %ptr) {
; CHECK-LABEL: dec64m:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decq (%rdi), %rax
; CHECK-NEXT: retq
;
; NF-LABEL: dec64m:
; NF: # %bb.0: # %entry
; NF-NEXT: {nf} decq (%rdi), %rax
; NF-NEXT: retq
entry:
%a = load i64, ptr %ptr
%dec = sub i64 %a, 1
ret i64 %dec
}
define void @dec8m_legacy(ptr %ptr) {
; CHECK-LABEL: dec8m_legacy:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decb (%rdi)
; CHECK-NEXT: retq
;
; NF-LABEL: dec8m_legacy:
; NF: # %bb.0: # %entry
; NF-NEXT: decb (%rdi)
; NF-NEXT: retq
entry:
%a = load i8, ptr %ptr
%dec = sub i8 %a, 1
store i8 %dec, ptr %ptr
ret void
}
define void @dec16m_legacy(ptr %ptr) {
; CHECK-LABEL: dec16m_legacy:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decw (%rdi)
; CHECK-NEXT: retq
;
; NF-LABEL: dec16m_legacy:
; NF: # %bb.0: # %entry
; NF-NEXT: decw (%rdi)
; NF-NEXT: retq
entry:
%a = load i16, ptr %ptr
%dec = sub i16 %a, 1
store i16 %dec, ptr %ptr
ret void
}
define void @dec32m_legacy(ptr %ptr) {
; CHECK-LABEL: dec32m_legacy:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decl (%rdi)
; CHECK-NEXT: retq
;
; NF-LABEL: dec32m_legacy:
; NF: # %bb.0: # %entry
; NF-NEXT: decl (%rdi)
; NF-NEXT: retq
entry:
%a = load i32, ptr %ptr
%dec = sub i32 %a, 1
store i32 %dec, ptr %ptr
ret void
}
define void @dec64m_legacy(ptr %ptr) {
; CHECK-LABEL: dec64m_legacy:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: decq (%rdi)
; CHECK-NEXT: retq
;
; NF-LABEL: dec64m_legacy:
; NF: # %bb.0: # %entry
; NF-NEXT: decq (%rdi)
; NF-NEXT: retq
entry:
%a = load i64, ptr %ptr
%dec = sub i64 %a, 1
store i64 %dec, ptr %ptr
ret void
}
|
