1 ; RUN: opt -S %loadPolly -basicaa -polly-dependences -analyze -polly-dependences-analysis-type=value-based < %s | FileCheck %s -check-prefix=VALUE
2 ; RUN: opt -S %loadPolly -basicaa -polly-dependences -analyze -polly-dependences-analysis-type=memory-based < %s | FileCheck %s -check-prefix=MEMORY
3 ; RUN: opt -S %loadPolly -basicaa -polly-dependences -analyze -polly-dependences-analysis-type=value-based -polly-dependences-analysis-level=access-wise < %s | FileCheck %s -check-prefix=VALUE_ACCESS
5 ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes':
6 ; VALUE-NEXT: RAW dependences:
8 ; VALUE-NEXT: WAR dependences:
10 ; VALUE-NEXT: WAW dependences:
11 ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
13 ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes':
14 ;VALUE_ACCESS-NEXT: RAW dependences:
15 ;VALUE_ACCESS-NEXT: { }
16 ;VALUE_ACCESS-NEXT: WAR dependences:
17 ;VALUE_ACCESS-NEXT: { }
18 ;VALUE_ACCESS-NEXT: WAW dependences:
19 ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0_MemRef_A[]] : 10 <= i0 <= 99; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0_MemRef_A[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0_MemRef_A[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
21 ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes':
22 ; VALUE-NEXT: RAW dependences:
23 ; VALUE-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
24 ; VALUE-NEXT: WAR dependences:
26 ; VALUE-NEXT: WAW dependences:
27 ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9 }
29 ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes':
30 ;VALUE_ACCESS-NEXT: RAW dependences:
31 ;VALUE_ACCESS-NEXT: { [Stmt_S1[i0] -> Stmt_S1_Write0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0_MemRef_A[]] : 10 <= i0 <= 99; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0_MemRef_A[]] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
32 ;VALUE_ACCESS-NEXT: WAR dependences:
33 ;VALUE_ACCESS-NEXT: { }
34 ;VALUE_ACCESS-NEXT: WAW dependences:
35 ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0_MemRef_A[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] : 0 <= i0 <= 9 }
37 ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read':
38 ; VALUE-NEXT: RAW dependences:
40 ; VALUE-NEXT: WAR dependences:
41 ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
42 ; VALUE-NEXT: WAW dependences:
43 ; VALUE-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 }
45 ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read':
46 ;VALUE_ACCESS-NEXT: RAW dependences:
47 ;VALUE_ACCESS-NEXT: { }
48 ;VALUE_ACCESS-NEXT: WAR dependences:
49 ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Read0_MemRef_A[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Read0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0_MemRef_A[]] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
50 ;VALUE_ACCESS-NEXT: WAW dependences:
51 ;VALUE_ACCESS-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0_MemRef_A[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0_MemRef_A[]] : 0 <= i0 <= 9 }
53 ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset':
54 ; VALUE-NEXT: RAW dependences:
55 ; VALUE-NEXT: [p] -> { Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p }
56 ; VALUE-NEXT: WAR dependences:
57 ; VALUE-NEXT: [p] -> { }
58 ; VALUE-NEXT: WAW dependences:
59 ; VALUE-NEXT: [p] -> { }
61 ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset':
62 ;VALUE_ACCESS-NEXT: RAW dependences:
63 ;VALUE_ACCESS-NEXT: [p] -> { [Stmt_S1[i0] -> Stmt_S1_Write0_MemRef_A[]] -> [Stmt_S2[-p + i0] -> Stmt_S2_Read0_MemRef_A[]] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p; Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p }
64 ;VALUE_ACCESS-NEXT: WAR dependences:
65 ;VALUE_ACCESS-NEXT: [p] -> { }
66 ;VALUE_ACCESS-NEXT: WAW dependences:
67 ;VALUE_ACCESS-NEXT: [p] -> { }
69 ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes':
70 ; MEMORY-NEXT: RAW dependences:
72 ; MEMORY-NEXT: WAR dependences:
74 ; MEMORY-NEXT: WAW dependences:
75 ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 }
77 ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes':
78 ; MEMORY-NEXT: RAW dependences:
79 ; MEMORY-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 }
80 ; MEMORY-NEXT: WAR dependences:
82 ; MEMORY-NEXT: WAW dependences:
83 ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9 }
85 ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read':
86 ; MEMORY-NEXT: RAW dependences:
88 ; MEMORY-NEXT: WAR dependences:
89 ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 }
90 ; MEMORY-NEXT: WAW dependences:
91 ; MEMORY-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 }
93 ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset':
94 ; MEMORY-NEXT: RAW dependences:
95 ; MEMORY-NEXT: [p] -> { Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p }
96 ; MEMORY-NEXT: WAR dependences:
97 ; MEMORY-NEXT: [p] -> { }
98 ; MEMORY-NEXT: WAW dependences:
99 ; MEMORY-NEXT: [p] -> { }
101 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
103 ; for(i = 0; i < 100; i++ )
106 ; for (i = 0; i < 10; i++ )
109 ; for (i = 0; i < 200; i++ )
112 define void @sequential_writes() {
114 %A = alloca [200 x i32]
118 %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
119 %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
120 store i32 2, i32* %arrayidx.1
121 %indvar.next.1 = add i64 %indvar.1, 1
122 %exitcond.1 = icmp ne i64 %indvar.next.1, 100
123 br i1 %exitcond.1, label %S1, label %exit.1
129 %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
130 %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
131 store i32 5, i32* %arrayidx.2
132 %indvar.next.2 = add i64 %indvar.2, 1
133 %exitcond.2 = icmp ne i64 %indvar.next.2, 10
134 br i1 %exitcond.2, label %S2, label %exit.2
140 %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
141 %arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
142 store i32 7, i32* %arrayidx.3
143 %indvar.next.3 = add i64 %indvar.3, 1
144 %exitcond.3 = icmp ne i64 %indvar.next.3, 200
145 br i1 %exitcond.3, label %S3 , label %exit.3
152 ; for(i = 0; i < 100; i++ )
155 ; for (i = 0; i < 10; i++ )
158 ; for (i = 0; i < 200; i++ )
161 define void @read_after_writes() {
163 %A = alloca [200 x i32]
164 %B = alloca [200 x i32]
168 %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
169 %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
170 store i32 2, i32* %arrayidx.1
171 %indvar.next.1 = add i64 %indvar.1, 1
172 %exitcond.1 = icmp ne i64 %indvar.next.1, 100
173 br i1 %exitcond.1, label %S1, label %exit.1
179 %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
180 %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
181 store i32 5, i32* %arrayidx.2
182 %indvar.next.2 = add i64 %indvar.2, 1
183 %exitcond.2 = icmp ne i64 %indvar.next.2, 10
184 br i1 %exitcond.2, label %S2, label %exit.2
190 %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
191 %arrayidx.3.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
192 %arrayidx.3.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.3
193 %val = load i32, i32* %arrayidx.3.a
194 store i32 %val, i32* %arrayidx.3.b
195 %indvar.next.3 = add i64 %indvar.3, 1
196 %exitcond.3 = icmp ne i64 %indvar.next.3, 200
197 br i1 %exitcond.3, label %S3 , label %exit.3
204 ; for(i = 0; i < 100; i++ )
207 ; for (i = 0; i < 10; i++ )
210 ; for (i = 0; i < 200; i++ )
213 define void @write_after_read() {
215 %A = alloca [200 x i32]
216 %B = alloca [200 x i32]
220 %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
221 %arrayidx.1.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
222 %arrayidx.1.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.1
223 %val = load i32, i32* %arrayidx.1.a
224 store i32 %val, i32* %arrayidx.1.b
225 %indvar.next.1 = add i64 %indvar.1, 1
226 %exitcond.1 = icmp ne i64 %indvar.next.1, 100
227 br i1 %exitcond.1, label %S1, label %exit.1
233 %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
234 %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
235 store i32 5, i32* %arrayidx.2
236 %indvar.next.2 = add i64 %indvar.2, 1
237 %exitcond.2 = icmp ne i64 %indvar.next.2, 10
238 br i1 %exitcond.2, label %S2, label %exit.2
244 %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
245 %arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
246 store i32 10, i32* %arrayidx.3
247 %indvar.next.3 = add i64 %indvar.3, 1
248 %exitcond.3 = icmp ne i64 %indvar.next.3, 200
249 br i1 %exitcond.3, label %S3 , label %exit.3
256 ; for(i = 0; i < 100; i++ )
259 ; for(i = 0; i < 100; i++ )
260 ; S2: B[i] = A[i + p];
262 define void @parametric_offset(i64 %p) {
264 %A = alloca [200 x i32]
265 %B = alloca [200 x i32]
269 %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
270 %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
271 store i32 10, i32* %arrayidx.1
272 %indvar.next.1 = add i64 %indvar.1, 1
273 %exitcond.1 = icmp ne i64 %indvar.next.1, 100
274 br i1 %exitcond.1, label %S1, label %exit.1
280 %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
281 %sum = add i64 %indvar.2, %p
282 %arrayidx.2.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %sum
283 %arrayidx.2.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.2
284 %val = load i32, i32* %arrayidx.2.a
285 store i32 %val, i32* %arrayidx.2.b
286 %indvar.next.2 = add i64 %indvar.2, 1
287 %exitcond.2 = icmp ne i64 %indvar.next.2, 10
288 br i1 %exitcond.2, label %S2, label %exit.2