xref: /llvm-project/polly/test/ScopInfo/NonAffine/non-affine-loop-condition-dependent-access_1.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa -polly-allow-nonaffine -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true                                   '-passes=print<polly-detect>,print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s -check-prefix=SCALAR
2; RUN: opt %loadNPMPolly -aa-pipeline=basic-aa -polly-allow-nonaffine -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -polly-process-unprofitable=false '-passes=print<polly-detect>,print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s -check-prefix=PROFIT
3;
4; SCALAR:      Function: f
5; SCALAR-NEXT: Region: %bb1---%bb13
6; SCALAR-NEXT: Max Loop Depth:  1
7; SCALAR-NEXT: Invariant Accesses: {
8; SCALAR-NEXT: }
9; SCALAR-NEXT: Context:
10; SCALAR-NEXT: {  :  }
11; SCALAR-NEXT: Assumed Context:
12; SCALAR-NEXT: {  :  }
13; SCALAR-NEXT: Invalid Context:
14; SCALAR-NEXT: {  : false }
15; SCALAR:      Arrays {
16; SCALAR-NEXT:     i32 MemRef_C[*]; // Element size 4
17; SCALAR-NEXT:     i32 MemRef_A[*]; // Element size 4
18; SCALAR-NEXT: }
19; SCALAR-NEXT: Arrays (Bounds as pw_affs) {
20; SCALAR-NEXT:     i32 MemRef_C[*]; // Element size 4
21; SCALAR-NEXT:     i32 MemRef_A[*]; // Element size 4
22; SCALAR-NEXT: }
23; SCALAR-NEXT: Alias Groups (0):
24; SCALAR-NEXT:     n/a
25; SCALAR-NEXT: Statements {
26; SCALAR-NEXT:     Stmt_bb3__TO__bb11
27; SCALAR-NEXT:         Domain :=
28; SCALAR-NEXT:             { Stmt_bb3__TO__bb11[i0] : 0 <= i0 <= 1023 };
29; SCALAR-NEXT:         Schedule :=
30; SCALAR-NEXT:             { Stmt_bb3__TO__bb11[i0] -> [i0] };
31; SCALAR-NEXT:         ReadAccess :=    [Reduction Type: NONE] [Scalar: 0]
32; SCALAR-NEXT:             { Stmt_bb3__TO__bb11[i0] -> MemRef_C[i0] };
33; SCALAR-NEXT:         ReadAccess :=    [Reduction Type: +] [Scalar: 0]
34; SCALAR-NEXT:             { Stmt_bb3__TO__bb11[i0] -> MemRef_A[o0] };
35; SCALAR-NEXT:         MayWriteAccess :=    [Reduction Type: +] [Scalar: 0]
36; SCALAR-NEXT:             { Stmt_bb3__TO__bb11[i0] -> MemRef_A[o0] };
37; SCALAR-NEXT: }
38
39; PROFIT-NOT: Statements
40;
41;    void f(int * restrict A, int * restrict C) {
42;      int j;
43;      for (int i = 0; i < 1024; i++) {
44;        while ((j = C[i++])) {
45;          A[j]++;
46;          if (true) break;
47;        }
48;      }
49;    }
50;
51target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
52
53define void @f(ptr noalias %A, ptr noalias %C) {
54bb:
55  br label %bb1
56
57bb1:                                              ; preds = %bb12, %bb
58  %indvars.iv = phi i64 [ %indvars.iv.next, %bb12 ], [ 0, %bb ]
59  %exitcond = icmp ne i64 %indvars.iv, 1024
60  br i1 %exitcond, label %bb2, label %bb13
61
62bb2:                                              ; preds = %bb1
63  br label %bb3
64
65bb3:                                              ; preds = %bb6, %bb2
66  %tmp = getelementptr inbounds i32, ptr %C, i64 %indvars.iv
67  %tmp4 = load i32, ptr %tmp, align 4
68  %tmp5 = icmp eq i32 %tmp4, 0
69  br i1 %tmp5, label %bb11, label %bb6
70
71bb6:                                              ; preds = %bb3
72  %tmp7 = sext i32 %tmp4 to i64
73  %tmp8 = getelementptr inbounds i32, ptr %A, i64 %tmp7
74  %tmp9 = load i32, ptr %tmp8, align 4
75  %tmp10 = add nsw i32 %tmp9, 1
76  store i32 %tmp10, ptr %tmp8, align 4
77  br i1 true, label %bb11, label %bb3
78
79bb11:                                             ; preds = %bb3
80  br label %bb12
81
82bb12:                                             ; preds = %bb11
83  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
84  br label %bb1
85
86bb13:                                             ; preds = %bb1
87  ret void
88}
89