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_test_checks.py
; RUN: opt -passes=loop-idiom < %s -S | FileCheck %s --check-prefix=DIS-NONE
; RUN: opt -passes=loop-idiom -disable-loop-idiom-all < %s -S | FileCheck %s --check-prefix=DIS-ALL
; RUN: opt -passes=loop-idiom -disable-loop-idiom-memcpy < %s -S | FileCheck %s --check-prefix=DIS-MEMCPY
; RUN: opt -passes=loop-idiom -disable-loop-idiom-memset < %s -S | FileCheck %s --check-prefix=DIS-MEMSET
; RUN: opt -passes=loop-idiom -disable-loop-idiom-memset -disable-loop-idiom-memcpy < %s -S | FileCheck %s --check-prefix=DIS-ALL
; RUN: opt -passes="loop-idiom" -aa-pipeline=basic-aa < %s -S | FileCheck %s --check-prefix=DIS-NONE
; RUN: opt -passes="loop-idiom" -aa-pipeline=basic-aa -disable-loop-idiom-all < %s -S | FileCheck %s --check-prefix=DIS-ALL
; RUN: opt -passes="loop-idiom" -aa-pipeline=basic-aa -disable-loop-idiom-memcpy < %s -S | FileCheck %s --check-prefix=DIS-MEMCPY
; RUN: opt -passes="loop-idiom" -aa-pipeline=basic-aa -disable-loop-idiom-memset < %s -S | FileCheck %s --check-prefix=DIS-MEMSET
; RUN: opt -passes="loop-idiom" -aa-pipeline=basic-aa -disable-loop-idiom-memset -disable-loop-idiom-memcpy < %s -S | FileCheck %s --check-prefix=DIS-ALL
define void @test-memcpy(i64 %Size) nounwind ssp {
; DIS-NONE-LABEL: @test-memcpy(
; DIS-NONE-NEXT: bb.nph:
; DIS-NONE-NEXT: [[BASE:%.*]] = alloca i8, i32 10000, align 1
; DIS-NONE-NEXT: [[DEST:%.*]] = alloca i8, i32 10000, align 1
; DIS-NONE-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[DEST]], ptr align 1 [[BASE]], i64 [[SIZE:%.*]], i1 false)
; DIS-NONE-NEXT: br label [[FOR_BODY:%.*]]
; DIS-NONE: for.body:
; DIS-NONE-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-NONE-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-NONE-NEXT: [[DESTI:%.*]] = getelementptr i8, ptr [[DEST]], i64 [[INDVAR]]
; DIS-NONE-NEXT: [[V:%.*]] = load i8, ptr [[I_0_014]], align 1
; DIS-NONE-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-NONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]]
; DIS-NONE-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-NONE: for.end:
; DIS-NONE-NEXT: ret void
;
; DIS-ALL-LABEL: @test-memcpy(
; DIS-ALL-NEXT: bb.nph:
; DIS-ALL-NEXT: [[BASE:%.*]] = alloca i8, i32 10000, align 1
; DIS-ALL-NEXT: [[DEST:%.*]] = alloca i8, i32 10000, align 1
; DIS-ALL-NEXT: br label [[FOR_BODY:%.*]]
; DIS-ALL: for.body:
; DIS-ALL-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-ALL-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-ALL-NEXT: [[DESTI:%.*]] = getelementptr i8, ptr [[DEST]], i64 [[INDVAR]]
; DIS-ALL-NEXT: [[V:%.*]] = load i8, ptr [[I_0_014]], align 1
; DIS-ALL-NEXT: store i8 [[V]], ptr [[DESTI]], align 1
; DIS-ALL-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-ALL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE:%.*]]
; DIS-ALL-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-ALL: for.end:
; DIS-ALL-NEXT: ret void
;
; DIS-MEMCPY-LABEL: @test-memcpy(
; DIS-MEMCPY-NEXT: bb.nph:
; DIS-MEMCPY-NEXT: [[BASE:%.*]] = alloca i8, i32 10000, align 1
; DIS-MEMCPY-NEXT: [[DEST:%.*]] = alloca i8, i32 10000, align 1
; DIS-MEMCPY-NEXT: br label [[FOR_BODY:%.*]]
; DIS-MEMCPY: for.body:
; DIS-MEMCPY-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-MEMCPY-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-MEMCPY-NEXT: [[DESTI:%.*]] = getelementptr i8, ptr [[DEST]], i64 [[INDVAR]]
; DIS-MEMCPY-NEXT: [[V:%.*]] = load i8, ptr [[I_0_014]], align 1
; DIS-MEMCPY-NEXT: store i8 [[V]], ptr [[DESTI]], align 1
; DIS-MEMCPY-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-MEMCPY-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE:%.*]]
; DIS-MEMCPY-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-MEMCPY: for.end:
; DIS-MEMCPY-NEXT: ret void
;
; DIS-MEMSET-LABEL: @test-memcpy(
; DIS-MEMSET-NEXT: bb.nph:
; DIS-MEMSET-NEXT: [[BASE:%.*]] = alloca i8, i32 10000, align 1
; DIS-MEMSET-NEXT: [[DEST:%.*]] = alloca i8, i32 10000, align 1
; DIS-MEMSET-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 [[DEST]], ptr align 1 [[BASE]], i64 [[SIZE:%.*]], i1 false)
; DIS-MEMSET-NEXT: br label [[FOR_BODY:%.*]]
; DIS-MEMSET: for.body:
; DIS-MEMSET-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-MEMSET-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-MEMSET-NEXT: [[DESTI:%.*]] = getelementptr i8, ptr [[DEST]], i64 [[INDVAR]]
; DIS-MEMSET-NEXT: [[V:%.*]] = load i8, ptr [[I_0_014]], align 1
; DIS-MEMSET-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-MEMSET-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]]
; DIS-MEMSET-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-MEMSET: for.end:
; DIS-MEMSET-NEXT: ret void
;
bb.nph:
%Base = alloca i8, i32 10000
%Dest = alloca i8, i32 10000
br label %for.body
for.body: ; preds = %bb.nph, %for.body
%indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ]
%I.0.014 = getelementptr i8, ptr %Base, i64 %indvar
%DestI = getelementptr i8, ptr %Dest, i64 %indvar
%V = load i8, ptr %I.0.014, align 1
store i8 %V, ptr %DestI, align 1
%indvar.next = add i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, %Size
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
define void @test-memset(ptr %Base, i64 %Size) nounwind ssp {
; CHECK-LABEL: @test-memset(
; CHECK-NEXT: bb.nph:
; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[BASE:%.*]], i8 0, i64 [[SIZE:%.*]], i1 false)
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]]
; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; CHECK: for.end:
; CHECK-NEXT: ret void
;
; DIS-NONE-LABEL: @test-memset(
; DIS-NONE-NEXT: bb.nph:
; DIS-NONE-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[BASE:%.*]], i8 0, i64 [[SIZE:%.*]], i1 false)
; DIS-NONE-NEXT: br label [[FOR_BODY:%.*]]
; DIS-NONE: for.body:
; DIS-NONE-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-NONE-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-NONE-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-NONE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]]
; DIS-NONE-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-NONE: for.end:
; DIS-NONE-NEXT: ret void
;
; DIS-ALL-LABEL: @test-memset(
; DIS-ALL-NEXT: bb.nph:
; DIS-ALL-NEXT: br label [[FOR_BODY:%.*]]
; DIS-ALL: for.body:
; DIS-ALL-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-ALL-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i64 [[INDVAR]]
; DIS-ALL-NEXT: store i8 0, ptr [[I_0_014]], align 1
; DIS-ALL-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-ALL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE:%.*]]
; DIS-ALL-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-ALL: for.end:
; DIS-ALL-NEXT: ret void
;
; DIS-MEMCPY-LABEL: @test-memset(
; DIS-MEMCPY-NEXT: bb.nph:
; DIS-MEMCPY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[BASE:%.*]], i8 0, i64 [[SIZE:%.*]], i1 false)
; DIS-MEMCPY-NEXT: br label [[FOR_BODY:%.*]]
; DIS-MEMCPY: for.body:
; DIS-MEMCPY-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-MEMCPY-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE]], i64 [[INDVAR]]
; DIS-MEMCPY-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-MEMCPY-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]]
; DIS-MEMCPY-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-MEMCPY: for.end:
; DIS-MEMCPY-NEXT: ret void
;
; DIS-MEMSET-LABEL: @test-memset(
; DIS-MEMSET-NEXT: bb.nph:
; DIS-MEMSET-NEXT: br label [[FOR_BODY:%.*]]
; DIS-MEMSET: for.body:
; DIS-MEMSET-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]
; DIS-MEMSET-NEXT: [[I_0_014:%.*]] = getelementptr i8, ptr [[BASE:%.*]], i64 [[INDVAR]]
; DIS-MEMSET-NEXT: store i8 0, ptr [[I_0_014]], align 1
; DIS-MEMSET-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1
; DIS-MEMSET-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE:%.*]]
; DIS-MEMSET-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]
; DIS-MEMSET: for.end:
; DIS-MEMSET-NEXT: ret void
;
bb.nph: ; preds = %entry
br label %for.body
for.body: ; preds = %bb.nph, %for.body
%indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ]
%I.0.014 = getelementptr i8, ptr %Base, i64 %indvar
store i8 0, ptr %I.0.014, align 1
%indvar.next = add i64 %indvar, 1
%exitcond = icmp eq i64 %indvar.next, %Size
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
ret void
}
|
