xref: /llvm-project/polly/test/CodeGen/OpenMP/two-parallel-loops-reference-outer-indvar.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -polly-parallel -polly-parallel-force '-passes=print<polly-ast>' -disable-output < %s | FileCheck %s -check-prefix=AST
2; RUN: opt %loadNPMPolly -polly-parallel -polly-parallel-force -passes=polly-codegen -S -verify-dom-info < %s | FileCheck %s -check-prefix=IR
3
4; This test case verifies that we create correct code even if two OpenMP loops
5; share common outer variables.
6
7; AST:   Stmt_for_body35(0);
8; AST:   #pragma simd
9; AST:   #pragma omp parallel for
10; AST:   for (int c0 = 1; c0 < -p_0 + nj - 1; c0 += 1)
11; AST:     Stmt_for_body35(c0);
12
13; IR: @foo_polly_subfn
14; IR-NOT: @foo_polly_subfn_1
15
16target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
17
18define void @foo(i64 %nj, ptr %R) {
19entry:
20  br label %for.cond1.preheader
21
22for.cond1.preheader:
23  %k.014 = phi i64 [ %inc87, %for.inc86 ], [ 0, %entry ]
24  %j.010 = add nsw i64 %k.014, 1
25  br i1 undef, label %for.body35, label %for.inc86
26
27for.body35:
28  %j.012 = phi i64 [ %j.0, %for.body35 ], [ %j.010, %for.cond1.preheader ]
29  %arrayidx39 = getelementptr inbounds [512 x double], ptr %R, i64 0, i64 %j.012
30  store double 0.000000e+00, ptr %arrayidx39
31  %j.0 = add nsw i64 %j.012, 1
32  %cmp34 = icmp slt i64 %j.0, %nj
33  br i1 %cmp34, label %for.body35, label %for.inc86
34
35for.inc86:
36  %inc87 = add nsw i64 %k.014, 1
37  br i1 undef, label %for.cond1.preheader, label %for.end88
38
39for.end88:
40  ret void
41}
42