1; RUN: opt %loadPolly -basic-aa -polly-parallel -polly-parallel-force -polly-invariant-load-hoisting=true -polly-ast -analyze < %s | FileCheck %s -check-prefix=AST
2; RUN: opt %loadPolly -basic-aa -polly-parallel -polly-parallel-force -polly-invariant-load-hoisting=true -polly-codegen -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR
3
4; The interesting part of this test case is the instruction:
5;   %tmp = bitcast i8* %call to i64**
6; which is not part of the scop. In the SCEV based code generation not '%tmp',
7; but %call is a parameter of the SCoP and we need to make sure its value is
8; properly forwarded to the subfunction.
9
10; AST: #pragma omp parallel for
11; AST: for (int c0 = 0; c0 < cols; c0 += 1)
12; AST:   Stmt_for_body(c0);
13; AST: if (cols <= 0)
14; AST:   Stmt_for_body(0);
15
16; IR: @foo_polly_subfn
17
18target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
19
20define void @foo(i64 %cols, i8* noalias %call) {
21entry:
22  %tmp = bitcast i8* %call to i64**
23  br label %for.body
24
25for.body:
26  %indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
27  %arrayidx = getelementptr inbounds i64*, i64** %tmp, i64 0
28  %tmp1 = load i64*, i64** %arrayidx, align 8
29  %arrayidx.2 = getelementptr inbounds i64, i64* %tmp1, i64 %indvar
30  store i64 1, i64* %arrayidx.2, align 4
31  %indvar.next = add nsw i64 %indvar, 1
32  %cmp = icmp slt i64 %indvar.next, %cols
33  br i1 %cmp, label %for.body, label %end
34
35end:
36  ret void
37}
38
39; Another variation of this test case, now with even more of the index
40; expression defined outside of the scop.
41
42; AST: #pragma omp parallel for
43; AST: for (int c0 = 0; c0 < cols; c0 += 1)
44; AST:   Stmt_for_body(c0);
45; AST: if (cols <= 0)
46; AST:   Stmt_for_body(0);
47
48; IR: @bar_polly_subfn
49
50define void @bar(i64 %cols, i8* noalias %call) {
51entry:
52  %tmp = bitcast i8* %call to i64**
53  %arrayidx = getelementptr inbounds i64*, i64** %tmp, i64 0
54  br label %for.body
55
56for.body:
57  %indvar = phi i64 [ %indvar.next, %for.body ], [ 0, %entry ]
58  %tmp1 = load i64*, i64** %arrayidx, align 8
59  %arrayidx.2 = getelementptr inbounds i64, i64* %tmp1, i64 %indvar
60  store i64 1, i64* %arrayidx.2, align 4
61  %indvar.next = add nsw i64 %indvar, 1
62  %cmp = icmp slt i64 %indvar.next, %cols
63  br i1 %cmp, label %for.body, label %end
64
65end:
66  ret void
67}
68