1; RUN: opt %loadPolly -polly-vectorizer=polly -polly-opt-isl -polly-codegen -S < %s | FileCheck %s
2;
3; Polly crashed during codegen with an assertion error while trying to generate
4; a pointer bitcast from a pointer having an address space to one without
5;
6; CHECK-LABEL: entry:
7; CHECK: load <4 x float>, <4 x float> addrspace(4)*
8;
9; ModuleID = '/tmp/lud.bc'
10source_filename = "lud.c"
11; This datalayout was for a 32-bit ARC processor with 512-bit vector extension
12target datalayout = "e-m:e-p:32:32-p1:32:32-p3:32:32-p5:32:32-i64:32-f64:32-v64:32-v128:32-a:0:32-v256:32-v512:32-n8:16:32"
13; Specify x86 because the ARC backend is still experimental and not built by default
14target triple = "x86_64-unknown-unknown"
15
16; Function Attrs: noinline nounwind
17define void @LU_decomp_kij_opt(i32 %n, i32 %lda, float addrspace(4)* %A, float addrspace(4)* %scratch) #0 {
18entry:
19  %cmp34 = icmp sgt i32 %n, 0
20  br i1 %cmp34, label %for.body.lr.ph, label %for.end34
21
22for.body.lr.ph:                                   ; preds = %entry
23  %0 = add nsw i32 %n, -1
24  br label %for.body
25
26for.body:                                         ; preds = %for.inc32, %for.body.lr.ph
27  %k.035 = phi i32 [ 0, %for.body.lr.ph ], [ %add2, %for.inc32 ]
28  %mul = mul nsw i32 %k.035, %lda
29  %add = add nsw i32 %mul, %k.035
30  %arrayidx = getelementptr inbounds float, float addrspace(4)* %A, i32 %add
31  %1 = load float, float addrspace(4)* %arrayidx, align 4
32  %conv1 = fdiv arcp float 1.000000e+00, %1
33  %add2 = add nuw nsw i32 %k.035, 1
34  %exitcond37 = icmp eq i32 %k.035, %0
35  br i1 %exitcond37, label %for.end34, label %for.body6.lr.ph
36
37for.body6.lr.ph:                                  ; preds = %for.body
38  br label %for.body6
39
40for.body6:                                        ; preds = %for.inc29, %for.body6.lr.ph
41  %i.033 = phi i32 [ %add2, %for.body6.lr.ph ], [ %inc30, %for.inc29 ]
42  %mul7 = mul nsw i32 %i.033, %lda
43  %add8 = add nsw i32 %mul7, %k.035
44  %arrayidx9 = getelementptr inbounds float, float addrspace(4)* %A, i32 %add8
45  %2 = load float, float addrspace(4)* %arrayidx9, align 4
46  %mul10 = fmul arcp contract float %conv1, %2
47  store float %mul10, float addrspace(4)* %arrayidx9, align 4
48  br label %for.body18
49
50for.body18:                                       ; preds = %for.body18, %for.body6
51  %j.031 = phi i32 [ %add2, %for.body6 ], [ %inc, %for.body18 ]
52  %3 = load float, float addrspace(4)* %arrayidx9, align 4
53  %add23 = add nsw i32 %j.031, %mul
54  %arrayidx24 = getelementptr inbounds float, float addrspace(4)* %A, i32 %add23
55  %4 = load float, float addrspace(4)* %arrayidx24, align 4
56  %mul25 = fmul arcp contract float %3, %4
57  %add27 = add nsw i32 %j.031, %mul7
58  %arrayidx28 = getelementptr inbounds float, float addrspace(4)* %A, i32 %add27
59  %5 = load float, float addrspace(4)* %arrayidx28, align 4
60  %sub = fsub arcp contract float %5, %mul25
61  store float %sub, float addrspace(4)* %arrayidx28, align 4
62  %inc = add nuw nsw i32 %j.031, 1
63  %exitcond = icmp eq i32 %inc, %n
64  br i1 %exitcond, label %for.inc29, label %for.body18
65
66for.inc29:                                        ; preds = %for.body18
67  %inc30 = add nuw nsw i32 %i.033, 1
68  %exitcond36 = icmp eq i32 %inc30, %n
69  br i1 %exitcond36, label %for.inc32, label %for.body6
70
71for.inc32:                                        ; preds = %for.inc29
72  br label %for.body
73
74for.end34:                                        ; preds = %for.body, %entry
75  ret void
76}
77
78attributes #0 = { noinline nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
79
80!llvm.module.flags = !{!0, !1}
81!llvm.ident = !{!2}
82
83!0 = !{i32 1, !"ArcIntrinsicCheck", i32 18224056}
84!1 = !{i32 1, !"wchar_size", i32 2}
85!2 = !{!"clang version 10.0.1 "}
86