1; RUN: opt %loadPolly -polly-process-unprofitable=false \
2; RUN:     -polly-detect -analyze < %s | FileCheck %s
3
4; RUN: opt %loadPolly -polly-allow-nonaffine-loops \
5; RUN:     -polly-detect -analyze < %s | FileCheck %s --check-prefix=NALOOPS
6
7; RUN: opt %loadPolly -polly-allow-nonaffine-loops -polly-detect -analyze \
8; RUN:     -polly-process-unprofitable=false < %s | \
9; RUN:     FileCheck %s --check-prefix=PROFIT
10
11; The latch conditions of the outer loop are not affine, thus the loop cannot
12; handled by the domain generation and needs to be overapproximated.
13
14; CHECK-NOT:  Valid
15; NALOOPS:    Valid Region for Scop: for.body.6 => for.end.45
16; PROFIT-NOT: Valid
17
18; ModuleID = '/home/johannes/Downloads/bug.ll'
19target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
20
21; Function Attrs: nounwind uwtable
22define void @kernel_reg_detect([6 x i32]* %path) #0 {
23entry:
24  br label %for.body.6
25
26for.body.6:                                       ; preds = %for.inc.43, %for.body.6, %entry
27  %indvars.iv9 = phi i64 [ %indvars.iv.next10, %for.body.6 ], [ 0, %for.inc.43 ], [ 0, %entry ]
28  %indvars.iv.next10 = add nuw nsw i64 %indvars.iv9, 1
29  %lftr.wideiv = trunc i64 %indvars.iv.next10 to i32
30  %exitcond = icmp ne i32 %lftr.wideiv, 6
31  br i1 %exitcond, label %for.body.6, label %for.inc.40
32
33for.inc.40:                                       ; preds = %for.inc.40, %for.body.6
34  %arrayidx28 = getelementptr inbounds [6 x i32], [6 x i32]* %path, i64 0, i64 0
35  %tmp = load i32, i32* %arrayidx28, align 4
36  %arrayidx36 = getelementptr inbounds [6 x i32], [6 x i32]* %path, i64 0, i64 0
37  store i32 0, i32* %arrayidx36, align 4
38  %exitcond22 = icmp ne i64 0, 6
39  br i1 %exitcond22, label %for.inc.40, label %for.inc.43
40
41for.inc.43:                                       ; preds = %for.inc.40
42  %exitcond23 = icmp ne i32 0, 10000
43  br i1 %exitcond23, label %for.body.6, label %for.end.45
44
45for.end.45:                                       ; preds = %for.inc.43
46  ret void
47}
48