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
| ; RUN: opt -S %loadPolly -polly-dependences -analyze < %s | FileCheck %s -check-prefix=VALUE
; RUN: opt -S %loadPolly -polly-function-dependences -analyze < %s | FileCheck %s -check-prefix=FUNC-VALUE
; RUN: opt -S %loadPolly -polly-dependences -analyze -polly-dependences-computeout=1 < %s | FileCheck %s -check-prefix=TIMEOUT
; RUN: opt -S %loadPolly -polly-function-dependences -analyze -polly-dependences-computeout=1 < %s | FileCheck %s -check-prefix=TIMEOUT
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"
; for(i = 0; i < 100; i++ )
; S1: A[i] = 2;
;
; for (i = 0; i < 10; i++ )
; S2: A[i] = 5;
;
; for (i = 0; i < 200; i++ )
; S3: A[i] = 5;
define void @sequential_writes() {
entry:
%A = alloca [200 x i32]
br label %S1
S1:
%indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
%arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
store i32 2, i32* %arrayidx.1
%indvar.next.1 = add i64 %indvar.1, 1
%exitcond.1 = icmp ne i64 %indvar.next.1, 100
br i1 %exitcond.1, label %S1, label %exit.1
exit.1:
br label %S2
S2:
%indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
%arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
store i32 5, i32* %arrayidx.2
%indvar.next.2 = add i64 %indvar.2, 1
%exitcond.2 = icmp ne i64 %indvar.next.2, 10
br i1 %exitcond.2, label %S2, label %exit.2
exit.2:
br label %S3
S3:
%indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
%arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3
store i32 7, i32* %arrayidx.3
%indvar.next.3 = add i64 %indvar.3, 1
%exitcond.3 = icmp ne i64 %indvar.next.3, 200
br i1 %exitcond.3, label %S3 , label %exit.3
exit.3:
ret void
}
; VALUE: RAW dependences:
; VALUE-NEXT: { }
; VALUE-NEXT: WAR dependences:
; VALUE-NEXT: { }
; VALUE-NEXT: WAW dependences:
; 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 }
; FUNC-VALUE: RAW dependences:
; FUNC-VALUE-NEXT: { }
; FUNC-VALUE-NEXT: WAR dependences:
; FUNC-VALUE-NEXT: { }
; FUNC-VALUE-NEXT: WAW dependences:
; FUNC-VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 }
; TIMEOUT: RAW dependences:
; TIMEOUT-NEXT: n/a
; TIMEOUT-NEXT: WAR dependences:
; TIMEOUT-NEXT: n/a
; TIMEOUT-NEXT: WAW dependences:
; TIMEOUT-NEXT: n/a
|