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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-for-literal-constant=false -funcspec-max-clones=0 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=NONE
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-for-literal-constant=false -funcspec-max-clones=1 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=ONE
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-for-literal-constant=false -funcspec-max-clones=2 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=TWO
; RUN: opt -passes="ipsccp<func-spec>" -funcspec-for-literal-constant=false -funcspec-max-clones=3 -funcspec-min-function-size=14 -S < %s | FileCheck %s --check-prefix=THREE
; Make sure that we iterate correctly after sorting the specializations:
; FnSpecialization: Specializations for function compute
; FnSpecialization: Gain = 608
; FnSpecialization: FormalArg = binop1, ActualArg = power
; FnSpecialization: FormalArg = binop2, ActualArg = mul
; FnSpecialization: Gain = 982
; FnSpecialization: FormalArg = binop1, ActualArg = plus
; FnSpecialization: FormalArg = binop2, ActualArg = minus
; FnSpecialization: Gain = 795
; FnSpecialization: FormalArg = binop1, ActualArg = minus
; FnSpecialization: FormalArg = binop2, ActualArg = power
define i64 @main(i64 %x, i64 %y, i1 %flag) {
; NONE-LABEL: @main(
; NONE-NEXT: entry:
; NONE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; NONE: plus:
; NONE-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; NONE-NEXT: br label [[MERGE:%.*]]
; NONE: minus:
; NONE-NEXT: [[TMP1:%.*]] = call i64 @compute(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; NONE-NEXT: br label [[MERGE]]
; NONE: merge:
; NONE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; NONE-NEXT: [[TMP3:%.*]] = call i64 @compute(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; NONE-NEXT: ret i64 [[TMP3]]
;
; ONE-LABEL: @main(
; ONE-NEXT: entry:
; ONE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; ONE: plus:
; ONE-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; ONE-NEXT: br label [[MERGE:%.*]]
; ONE: minus:
; ONE-NEXT: [[TMP1:%.*]] = call i64 @compute.specialized.1(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; ONE-NEXT: br label [[MERGE]]
; ONE: merge:
; ONE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; ONE-NEXT: [[TMP3:%.*]] = call i64 @compute(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; ONE-NEXT: ret i64 [[TMP3]]
;
; TWO-LABEL: @main(
; TWO-NEXT: entry:
; TWO-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; TWO: plus:
; TWO-NEXT: [[TMP0:%.*]] = call i64 @compute(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; TWO-NEXT: br label [[MERGE:%.*]]
; TWO: minus:
; TWO-NEXT: [[TMP1:%.*]] = call i64 @compute.specialized.2(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; TWO-NEXT: br label [[MERGE]]
; TWO: merge:
; TWO-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; TWO-NEXT: [[TMP3:%.*]] = call i64 @compute.specialized.1(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; TWO-NEXT: ret i64 [[TMP3]]
;
; THREE-LABEL: @main(
; THREE-NEXT: entry:
; THREE-NEXT: br i1 [[FLAG:%.*]], label [[PLUS:%.*]], label [[MINUS:%.*]]
; THREE: plus:
; THREE-NEXT: [[TMP0:%.*]] = call i64 @compute.specialized.1(i64 [[X:%.*]], i64 [[Y:%.*]], ptr @power, ptr @mul)
; THREE-NEXT: br label [[MERGE:%.*]]
; THREE: minus:
; THREE-NEXT: [[TMP1:%.*]] = call i64 @compute.specialized.2(i64 [[X]], i64 [[Y]], ptr @plus, ptr @minus)
; THREE-NEXT: br label [[MERGE]]
; THREE: merge:
; THREE-NEXT: [[TMP2:%.*]] = phi i64 [ [[TMP0]], [[PLUS]] ], [ [[TMP1]], [[MINUS]] ]
; THREE-NEXT: [[TMP3:%.*]] = call i64 @compute.specialized.3(i64 [[TMP2]], i64 42, ptr @minus, ptr @power)
; THREE-NEXT: ret i64 [[TMP3]]
;
entry:
br i1 %flag, label %plus, label %minus
plus:
%tmp0 = call i64 @compute(i64 %x, i64 %y, ptr @power, ptr @mul)
br label %merge
minus:
%tmp1 = call i64 @compute(i64 %x, i64 %y, ptr @plus, ptr @minus)
br label %merge
merge:
%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
%tmp3 = call i64 @compute(i64 %tmp2, i64 42, ptr @minus, ptr @power)
ret i64 %tmp3
}
; THREE-NOT: define internal i64 @compute
;
; THREE-LABEL: define internal i64 @compute.specialized.1(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @power(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @mul(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
; THREE-LABEL: define internal i64 @compute.specialized.2(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @plus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @minus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
; THREE-LABEL: define internal i64 @compute.specialized.3(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
; THREE-NEXT: entry:
; THREE-NEXT: [[TMP0:%.+]] = call i64 @minus(i64 %x, i64 %y)
; THREE-NEXT: [[TMP1:%.+]] = call i64 @power(i64 %x, i64 %y)
; THREE-NEXT: [[TMP2:%.+]] = add i64 [[TMP0]], [[TMP1]]
; THREE-NEXT: [[TMP3:%.+]] = sdiv i64 [[TMP2]], %x
; THREE-NEXT: [[TMP4:%.+]] = sub i64 [[TMP3]], %y
; THREE-NEXT: [[TMP5:%.+]] = mul i64 [[TMP4]], 2
; THREE-NEXT: ret i64 [[TMP5]]
; THREE-NEXT: }
;
define internal i64 @compute(i64 %x, i64 %y, ptr %binop1, ptr %binop2) {
entry:
%tmp0 = call i64 %binop1(i64 %x, i64 %y)
%tmp1 = call i64 %binop2(i64 %x, i64 %y)
%add = add i64 %tmp0, %tmp1
%div = sdiv i64 %add, %x
%sub = sub i64 %div, %y
%mul = mul i64 %sub, 2
ret i64 %mul
}
define internal i64 @plus(i64 %x, i64 %y) {
entry:
%tmp0 = add i64 %x, %y
ret i64 %tmp0
}
define internal i64 @minus(i64 %x, i64 %y) {
entry:
%tmp0 = sub i64 %x, %y
ret i64 %tmp0
}
define internal i64 @mul(i64 %x, i64 %n) {
entry:
%cmp6 = icmp sgt i64 %n, 1
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%x.addr.0.lcssa = phi i64 [ %x, %entry ], [ %add, %for.body ]
ret i64 %x.addr.0.lcssa
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]
%x.addr.07 = phi i64 [ %add, %for.body ], [ %x, %entry ]
%add = shl nsw i64 %x.addr.07, 1
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define internal i64 @power(i64 %x, i64 %n) {
entry:
%cmp6 = icmp sgt i64 %n, 1
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%x.addr.0.lcssa = phi i64 [ %x, %entry ], [ %mul, %for.body ]
ret i64 %x.addr.0.lcssa
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 1, %entry ]
%x.addr.07 = phi i64 [ %mul, %for.body ], [ %x, %entry ]
%mul = mul nsw i64 %x.addr.07, %x.addr.07
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond.not = icmp eq i64 %indvars.iv.next, %n
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
|
