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
|
; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
; void f(int a[], int N, float *P) {
; int i;
; for (i = 0; i < N; ++i)
; if (*P != 0)
; a[i] = i;
; }
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"
define void @f(i64* nocapture %a, i64 %N, float * %P) nounwind {
entry:
br label %bb
bb:
%i = phi i64 [ 0, %entry ], [ %i.inc, %bb.backedge ]
%brcond = icmp ne float* %P, null
br i1 %brcond, label %store, label %bb.backedge
store:
%scevgep = getelementptr inbounds i64, i64* %a, i64 %i
store i64 %i, i64* %scevgep
br label %bb.backedge
bb.backedge:
%i.inc = add nsw i64 %i, 1
%exitcond = icmp eq i64 %i.inc, %N
br i1 %exitcond, label %return, label %bb
return:
ret void
}
; CHECK: Assumed Context:
; CHECK-NEXT: { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: { : N >= 1152921504606846977 and (P < 0 or P > 0) }
; CHECK: Stmt_store
; CHECK: Domain :=
; CHECK: [P, N] -> { Stmt_store[i0] : 0 <= i0 < N and (P < 0 or P > 0) };
; CHECK: Schedule :=
; CHECK: [P, N] -> { Stmt_store[i0] -> [i0] : P < 0 or P > 0 };
; CHECK: MustWriteAccess := [Reduction Type: NONE]
; CHECK: [P, N] -> { Stmt_store[i0] -> MemRef_a[i0] };
|
