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
|
; RUN: opt %loadPolly -polly-print-dependences -debug-only=polly-dependence -disable-output < %s 2>&1 | FileCheck %s
;
; REQUIRES: asserts
;
; CHECK: Read: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> MemRef_sum[0] : 0 <= i0 <= 100 }
; CHECK-NEXT: Write: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> MemRef_sum[0] : 0 <= i0 <= 100 }
; CHECK-NEXT: MayWrite: { }
;
; CHECK: Wrapped Dependences:
; CHECK-NEXT: RAW dependences:
; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: n/a
;
; CHECK: Final Wrapped Dependences:
; CHECK-NEXT: RAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { [Stmt_for_cond[i0] -> MemRef_sum[0{{\]\]}} -> [Stmt_for_cond[1 + i0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 }
;
; CHECK: Zipped Dependences:
; CHECK-NEXT: RAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { [Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0{{\]\]}} -> [MemRef_sum[0] -> MemRef_sum[0{{\]\]}} : 0 <= i0 <= 99 }
;
; CHECK: Unwrapped Dependences:
; CHECK-NEXT: RAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 }
;
; CHECK: RAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 }
;
; CHECK: RAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAR dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: WAW dependences:
; CHECK-NEXT: { }
; CHECK-NEXT: Reduction dependences:
; CHECK-NEXT: { Stmt_for_cond[i0] -> Stmt_for_cond[1 + i0] : 0 <= i0 <= 99 }
;
; void f(int* sum) {
; for (int i = 0; i <= 100; i++)
; sum += i * 3;
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32* %sum) {
entry:
br label %entry.split1
entry.split1: ; preds = %entry
br label %entry.split
entry.split: ; preds = %entry.split1
br label %for.cond
for.cond: ; preds = %for.cond, %entry.split
%i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
%sum.reload = load i32, i32* %sum
%mul = mul nsw i32 %i1.0, 3
%add = add nsw i32 %sum.reload, %mul
%inc = add nsw i32 %i1.0, 1
store i32 %add, i32* %sum
%cmp = icmp slt i32 %i1.0, 100
br i1 %cmp, label %for.cond, label %for.end
for.end: ; preds = %for.cond
ret void
}
|
