File: intrinsic-iocsr-side-effects.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (180 lines) | stat: -rw-r--r-- 6,194 bytes parent folder | download | duplicates (4)
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
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch64 -mattr=+d < %s | FileCheck %s

declare i32 @llvm.loongarch.iocsrrd.b(i32) nounwind
declare void @llvm.loongarch.iocsrwr.b(i32, i32) nounwind
declare i32 @llvm.loongarch.iocsrrd.h(i32) nounwind
declare void @llvm.loongarch.iocsrwr.h(i32, i32) nounwind
declare i32 @llvm.loongarch.iocsrrd.w(i32) nounwind
declare void @llvm.loongarch.iocsrwr.w(i32, i32) nounwind
declare i64 @llvm.loongarch.iocsrrd.d(i32) nounwind
declare void @llvm.loongarch.iocsrwr.d(i64, i32) nounwind
declare void @bug()

define dso_local void @test_b(i32 noundef signext %flag) nounwind {
; CHECK-LABEL: test_b:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    beqz $a0, .LBB0_2
; CHECK-NEXT:  # %bb.1: # %if.then
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.b $a1, $a0
; CHECK-NEXT:    ori $a1, $a1, 1
; CHECK-NEXT:    iocsrwr.b $a1, $a0
; CHECK-NEXT:  .LBB0_2: # %if.end
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.b $a0, $a0
; CHECK-NEXT:    andi $a0, $a0, 1
; CHECK-NEXT:    bnez $a0, .LBB0_4
; CHECK-NEXT:  # %bb.3: # %if.then2
; CHECK-NEXT:    b %plt(bug)
; CHECK-NEXT:  .LBB0_4: # %if.end3
; CHECK-NEXT:    ret
entry:
  %tobool.not = icmp eq i32 %flag, 0
  br i1 %tobool.not, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  %0 = tail call i32 @llvm.loongarch.iocsrrd.b(i32 2)
  %or = or i32 %0, 1
  tail call void @llvm.loongarch.iocsrwr.b(i32 %or, i32 2)
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  %1 = tail call i32 @llvm.loongarch.iocsrrd.b(i32 2)
  %and = and i32 %1, 1
  %tobool1.not = icmp eq i32 %and, 0
  br i1 %tobool1.not, label %if.then2, label %if.end3

if.then2:                                         ; preds = %if.end
  tail call void @bug()
  br label %if.end3

if.end3:                                          ; preds = %if.then2, %if.end
  ret void
}

define dso_local void @test_h(i32 noundef signext %flag) nounwind {
; CHECK-LABEL: test_h:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    beqz $a0, .LBB1_2
; CHECK-NEXT:  # %bb.1: # %if.then
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.h $a1, $a0
; CHECK-NEXT:    ori $a1, $a1, 1
; CHECK-NEXT:    iocsrwr.h $a1, $a0
; CHECK-NEXT:  .LBB1_2: # %if.end
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.h $a0, $a0
; CHECK-NEXT:    andi $a0, $a0, 1
; CHECK-NEXT:    bnez $a0, .LBB1_4
; CHECK-NEXT:  # %bb.3: # %if.then2
; CHECK-NEXT:    b %plt(bug)
; CHECK-NEXT:  .LBB1_4: # %if.end3
; CHECK-NEXT:    ret
entry:
  %tobool.not = icmp eq i32 %flag, 0
  br i1 %tobool.not, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  %0 = tail call i32 @llvm.loongarch.iocsrrd.h(i32 2)
  %or = or i32 %0, 1
  tail call void @llvm.loongarch.iocsrwr.h(i32 %or, i32 2)
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  %1 = tail call i32 @llvm.loongarch.iocsrrd.h(i32 2)
  %and = and i32 %1, 1
  %tobool1.not = icmp eq i32 %and, 0
  br i1 %tobool1.not, label %if.then2, label %if.end3

if.then2:                                         ; preds = %if.end
  tail call void @bug()
  br label %if.end3

if.end3:                                          ; preds = %if.then2, %if.end
  ret void
}

define dso_local void @test_w(i32 noundef signext %flag) nounwind {
; CHECK-LABEL: test_w:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    beqz $a0, .LBB2_2
; CHECK-NEXT:  # %bb.1: # %if.then
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.w $a1, $a0
; CHECK-NEXT:    ori $a1, $a1, 1
; CHECK-NEXT:    iocsrwr.w $a1, $a0
; CHECK-NEXT:  .LBB2_2: # %if.end
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.w $a0, $a0
; CHECK-NEXT:    andi $a0, $a0, 1
; CHECK-NEXT:    bnez $a0, .LBB2_4
; CHECK-NEXT:  # %bb.3: # %if.then2
; CHECK-NEXT:    b %plt(bug)
; CHECK-NEXT:  .LBB2_4: # %if.end3
; CHECK-NEXT:    ret
entry:
  %tobool.not = icmp eq i32 %flag, 0
  br i1 %tobool.not, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  %0 = tail call i32 @llvm.loongarch.iocsrrd.w(i32 2)
  %or = or i32 %0, 1
  tail call void @llvm.loongarch.iocsrwr.w(i32 %or, i32 2)
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  %1 = tail call i32 @llvm.loongarch.iocsrrd.w(i32 2)
  %and = and i32 %1, 1
  %tobool1.not = icmp eq i32 %and, 0
  br i1 %tobool1.not, label %if.then2, label %if.end3

if.then2:                                         ; preds = %if.end
  tail call void @bug()
  br label %if.end3

if.end3:                                          ; preds = %if.then2, %if.end
  ret void
}

define dso_local void @test_d(i32 noundef signext %flag) nounwind {
; CHECK-LABEL: test_d:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    beqz $a0, .LBB3_2
; CHECK-NEXT:  # %bb.1: # %if.then
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.d $a1, $a0
; CHECK-NEXT:    ori $a1, $a1, 1
; CHECK-NEXT:    iocsrwr.d $a1, $a0
; CHECK-NEXT:  .LBB3_2: # %if.end
; CHECK-NEXT:    ori $a0, $zero, 2
; CHECK-NEXT:    iocsrrd.d $a0, $a0
; CHECK-NEXT:    andi $a0, $a0, 1
; CHECK-NEXT:    bnez $a0, .LBB3_4
; CHECK-NEXT:  # %bb.3: # %if.then2
; CHECK-NEXT:    b %plt(bug)
; CHECK-NEXT:  .LBB3_4: # %if.end3
; CHECK-NEXT:    ret
entry:
  %tobool.not = icmp eq i32 %flag, 0
  br i1 %tobool.not, label %if.end, label %if.then

if.then:                                          ; preds = %entry
  %0 = tail call i64 @llvm.loongarch.iocsrrd.d(i32 2)
  %or = or i64 %0, 1
  tail call void @llvm.loongarch.iocsrwr.d(i64 %or, i32 2)
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  %1 = tail call i64 @llvm.loongarch.iocsrrd.d(i32 2)
  %and = and i64 %1, 1
  %tobool1.not = icmp eq i64 %and, 0
  br i1 %tobool1.not, label %if.then2, label %if.end3

if.then2:                                         ; preds = %if.end
  tail call void @bug()
  br label %if.end3

if.end3:                                          ; preds = %if.then2, %if.end
  ret void
}