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
|
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
declare void @bar()
define void @foo(float* %A, i64 %p) {
start:
br label %next
next:
%cmpA = icmp sle i64 %p, 0
br i1 %cmpA, label %error, label %ok
error:
call void @bar()
br label %merge
ok:
br label %merge
merge:
%phi = phi i64 [0, %error], [1, %ok]
store float 42.0, float* %A
%cmp = icmp eq i64 %phi, %p
br i1 %cmp, label %loop, label %exit
loop:
%indvar = phi i64 [0, %merge], [%indvar.next, %loop]
store float 42.0, float* %A
%indvar.next = add i64 %indvar, 1
%cmp2 = icmp sle i64 %indvar, 1024
br i1 %cmp2, label %loop, label %exit
exit:
ret void
}
; CHECK: Statements {
; CHECK-NEXT: Stmt_ok
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [p] -> { Stmt_ok[] : p > 0 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [p] -> { Stmt_ok[] -> [0, 0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [p] -> { Stmt_ok[] -> MemRef_phi__phi[] };
; CHECK-NEXT: Stmt_merge
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [p] -> { Stmt_merge[] };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [p] -> { Stmt_merge[] -> [1, 0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [p] -> { Stmt_merge[] -> MemRef_phi__phi[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [p] -> { Stmt_merge[] -> MemRef_A[0] };
; CHECK-NEXT: Stmt_loop
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [p] -> { Stmt_loop[i0] : p = 1 and 0 <= i0 <= 1025 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [p] -> { Stmt_loop[i0] -> [2, i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [p] -> { Stmt_loop[i0] -> MemRef_A[0] };
; CHECK-NEXT: }
|
