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
| ; RUN: opt %loadPolly -polly-stmt-granularity=bb -analyze -polly-scops %s | FileCheck %s
; CHECK-LABEL: Function: foo
;
; CHECK: Statements {
; CHECK-NEXT: Stmt_body
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_body[i0] : 0 <= i0 <= 100 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_body[i0] -> [i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_body[i0] -> MemRef_sum__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_body[i0] -> MemRef_sum__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_body[i0] -> MemRef_A[i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_body[i0] -> MemRef_sum_next[] };
; CHECK-NEXT: }
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define float @foo(float* %A) {
entry:
br label %header
header:
fence seq_cst
br i1 true, label %body, label %exit
body:
%i = phi i64 [ 0, %header ], [ %next, %body ]
%sum = phi float [ 0.0, %header ], [ %sum.next, %body ]
%arrayidx = getelementptr float, float* %A, i64 %i
%scalar = fadd float 0.0, 0.0
%next = add nuw nsw i64 %i, 1
%val = load float, float* %arrayidx
%sum.next = fadd float %sum, %val
%cond = icmp ne i64 %i, 100
br i1 %cond, label %body, label %after
after:
br label %exit
exit:
%phi = phi float [%sum.next, %after], [0.0, %header]
ret float %phi
}
|