xref: /llvm-project/polly/test/ScopInfo/NonAffine/div_domain.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s
2;
3;    void foo(float *A) {
4;      for (long i = 0; i < 16; i++) {
5;        A[i] += 1;
6;        if (i / 2 == 3)
7;          A[i] += 2;
8;      }
9;    }
10;
11; CHECK:      Statements {
12; CHECK-NEXT:     Stmt_for_body
13; CHECK-NEXT:         Domain :=
14; CHECK-NEXT:             { Stmt_for_body[i0] : 0 <= i0 <= 15 };
15; CHECK-NEXT:         Schedule :=
16; CHECK-NEXT:             { Stmt_for_body[i0] -> [i0, 0] };
17; CHECK-NEXT:         ReadAccess :=    [Reduction Type: NONE] [Scalar: 0]
18; CHECK-NEXT:             { Stmt_for_body[i0] -> MemRef_A[i0] };
19; CHECK-NEXT:         MustWriteAccess :=    [Reduction Type: NONE] [Scalar: 0]
20; CHECK-NEXT:             { Stmt_for_body[i0] -> MemRef_A[i0] };
21; CHECK-NEXT:     Stmt_if_then
22; CHECK-NEXT:         Domain :=
23; CHECK-NEXT:             { Stmt_if_then[i0] : 6 <= i0 <= 7 };
24; CHECK-NEXT:         Schedule :=
25; CHECK-NEXT:             { Stmt_if_then[i0] -> [i0, 1] };
26; CHECK-NEXT:         ReadAccess :=    [Reduction Type: NONE] [Scalar: 0]
27; CHECK-NEXT:             { Stmt_if_then[i0] -> MemRef_A[i0] };
28; CHECK-NEXT:         MustWriteAccess :=    [Reduction Type: NONE] [Scalar: 0]
29; CHECK-NEXT:             { Stmt_if_then[i0] -> MemRef_A[i0] };
30; CHECK-NEXT: }
31;
32target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
33
34define void @foo(ptr %A) {
35entry:
36  br label %for.cond
37
38for.cond:                                         ; preds = %for.inc, %entry
39  %i.0 = phi i64 [ 0, %entry ], [ %inc, %for.inc ]
40  %exitcond = icmp ne i64 %i.0, 16
41  br i1 %exitcond, label %for.body, label %for.end
42
43for.body:                                         ; preds = %for.cond
44  %arrayidx0 = getelementptr inbounds float, ptr %A, i64 %i.0
45  %tmp0 = load float, ptr %arrayidx0, align 4
46  %add0 = fadd float %tmp0, 2.000000e+00
47  store float %add0, ptr %arrayidx0, align 4
48  %rem1 = sdiv i64 %i.0, 2
49  %tobool = icmp ne i64 %rem1, 3
50  br i1 %tobool, label %if.end, label %if.then
51
52if.then:                                          ; preds = %for.body
53  %arrayidx = getelementptr inbounds float, ptr %A, i64 %i.0
54  %tmp = load float, ptr %arrayidx, align 4
55  %add = fadd float %tmp, 2.000000e+00
56  store float %add, ptr %arrayidx, align 4
57  br label %if.end
58
59if.end:                                           ; preds = %for.body, %if.then
60  br label %for.inc
61
62for.inc:                                          ; preds = %if.end
63  %inc = add nuw nsw i64 %i.0, 1
64  br label %for.cond
65
66for.end:                                          ; preds = %for.cond
67  ret void
68}
69