1; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
2; RUN: opt %loadPolly -polly-function-scops -analyze < %s | FileCheck %s
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-S128"
4
5; Derived from the following code:
6;
7; void foo(long n, double A[n][n]) {
8;   for (long i = 0; i < n; i++)
9;     A[i][i] = 1.0;
10; }
11
12
13; CHECK: Assumed Context:
14; CHECK:   [n] -> {  :  }
15
16; CHECK: p0: %n
17; CHECK-NOT: p1
18
19; CHECK: Schedule :=
20; CHECK:   [n] -> { Stmt_for_i[i0] -> [i0] };
21; CHECK: MustWriteAccess :=
22; CHECK:   [n] -> { Stmt_for_i[i0] -> MemRef_A[i0, i0] };
23
24
25define void @foo(i64 %n, double* %A) {
26entry:
27  br label %for.i
28
29for.i:
30  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i ]
31  %tmp = mul nsw i64 %i, %n
32  %vlaarrayidx.sum = add i64 %i, %tmp
33  %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum
34  store double 1.0, double* %arrayidx
35  %i.inc = add nsw i64 %i, 1
36  %i.exitcond = icmp eq i64 %i.inc, %n
37  br i1 %i.exitcond, label %end, label %for.i
38
39end:
40  ret void
41}
42