xref: /llvm-project/polly/test/DependenceInfo/computeout.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt -S %loadNPMPolly '-passes=print<polly-dependences>' -disable-output < %s | FileCheck %s -check-prefix=VALUE
2; RUN: opt -S %loadNPMPolly '-passes=print<polly-dependences>' -polly-dependences-computeout=1 -disable-output < %s | FileCheck %s -check-prefix=TIMEOUT
3target 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"
4
5;     for(i = 0; i < 100; i++ )
6; S1:   A[i] = 2;
7;
8;     for (i = 0; i < 10; i++ )
9; S2:   A[i]  = 5;
10;
11;     for (i = 0; i < 200; i++ )
12; S3:   A[i] = 5;
13
14define void @sequential_writes() {
15entry:
16  %A = alloca [200 x i32]
17  br label %S1
18
19S1:
20  %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ]
21  %arrayidx.1 = getelementptr [200 x i32], ptr %A, i64 0, i64 %indvar.1
22  store i32 2, ptr %arrayidx.1
23  %indvar.next.1 = add i64 %indvar.1, 1
24  %exitcond.1 = icmp ne i64 %indvar.next.1, 100
25  br i1 %exitcond.1, label %S1, label %exit.1
26
27exit.1:
28  br label %S2
29
30S2:
31  %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ]
32  %arrayidx.2 = getelementptr [200 x i32], ptr %A, i64 0, i64 %indvar.2
33  store i32 5, ptr %arrayidx.2
34  %indvar.next.2 = add i64 %indvar.2, 1
35  %exitcond.2 = icmp ne i64 %indvar.next.2, 10
36  br i1 %exitcond.2, label %S2, label %exit.2
37
38exit.2:
39  br label %S3
40
41S3:
42  %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ]
43  %arrayidx.3 = getelementptr [200 x i32], ptr %A, i64 0, i64 %indvar.3
44  store i32 7, ptr %arrayidx.3
45  %indvar.next.3 = add i64 %indvar.3, 1
46  %exitcond.3 = icmp ne i64 %indvar.next.3, 200
47  br i1 %exitcond.3, label %S3 , label %exit.3
48
49exit.3:
50  ret void
51}
52
53; VALUE:      RAW dependences:
54; VALUE-NEXT:     {  }
55; VALUE-NEXT: WAR dependences:
56; VALUE-NEXT:     {  }
57; VALUE-NEXT: WAW dependences:
58; VALUE-NEXT:     { Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 }
59
60; FUNC-VALUE:      RAW dependences:
61; FUNC-VALUE-NEXT:     {  }
62; FUNC-VALUE-NEXT: WAR dependences:
63; FUNC-VALUE-NEXT:     {  }
64; FUNC-VALUE-NEXT: WAW dependences:
65; FUNC-VALUE-NEXT:     { Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 10 <= i0 <= 99 }
66
67; TIMEOUT:      RAW dependences:
68; TIMEOUT-NEXT:     n/a
69; TIMEOUT-NEXT: WAR dependences:
70; TIMEOUT-NEXT:     n/a
71; TIMEOUT-NEXT: WAW dependences:
72; TIMEOUT-NEXT:     n/a
73