xref: /llvm-project/polly/test/ScopInfo/non_affine_access.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly '-passes=print<polly-detect>,print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s
2; RUN: opt %loadNPMPolly '-passes=print<polly-detect>,print<polly-function-scops>' -polly-allow-nonaffine -disable-output < %s 2>&1 | FileCheck %s -check-prefix=NONAFFINE
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; void foo(long *A) {
6;   for (i = 0; i < 1024; i++)
7;     A[i * i] = i;
8;
9
10define void @foo(ptr %A) nounwind uwtable ssp {
11entry:
12  br label %entry.split
13
14entry.split:                                      ; preds = %entry
15  br label %for.body
16
17for.body:                                         ; preds = %entry.split, %for.body
18  %indvar = phi i64 [ 0, %entry.split ], [ %indvar.next, %for.body ]
19  %mul = mul nsw i64 %indvar, %indvar
20  %arrayidx = getelementptr inbounds i64, ptr %A, i64 %mul
21  store i64 %indvar, ptr %arrayidx, align 4
22  %indvar.next = add nsw i64 %indvar, 1
23  %exitcond = icmp ne i64 %indvar.next, 1024
24  br i1 %exitcond, label %for.body, label %for.end
25
26for.end:                                          ; preds = %for.body
27  ret void
28}
29
30; CHECK-NOT: Stmt_for_body
31; NONAFFINE: { Stmt_for_body[i0] -> MemRef_A[o0] };
32