1 ; RUN: opt %loadPolly -pass-remarks-missed="polly-detect" -polly-detect-track-failures -polly-detect -analyze < %s 2>&1| FileCheck %s
4 ; for(int i=0; i<42; ++i)
9 ; CHECK: remark: ReportNonAffineAccess-01.c:2:7: The following errors keep this region from being a Scop.
10 ; CHECK: remark: ReportNonAffineAccess-01.c:3:5: The array subscript of "A" is not affine
11 ; CHECK: remark: ReportNonAffineAccess-01.c:3:5: Invalid Scop candidate ends here.
13 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
15 define void @f(i32* %A) !dbg !4 {
19 entry.split: ; preds = %entry
20 tail call void @llvm.dbg.value(metadata i32* %A, i64 0, metadata !13, metadata !DIExpression()), !dbg !14
21 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !18
22 br label %for.body, !dbg !19
24 for.body: ; preds = %entry.split, %for.body
25 %0 = phi i32 [ 0, %entry.split ], [ %1, %for.body ], !dbg !20
26 %mul = mul nsw i32 %0, %0, !dbg !20
27 %idxprom1 = zext i32 %mul to i64, !dbg !20
28 %arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom1, !dbg !20
29 store i32 0, i32* %arrayidx, align 4, !dbg !20
30 %1 = add nsw i32 %0, 1, !dbg !21
31 tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !16, metadata !DIExpression()), !dbg !18
32 %exitcond = icmp ne i32 %1, 42, !dbg !19
33 br i1 %exitcond, label %for.body, label %for.end, !dbg !19
35 for.end: ; preds = %for.body
39 declare void @llvm.dbg.declare(metadata, metadata, metadata)
41 declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
43 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
44 attributes #1 = { nounwind readnone }
47 !llvm.module.flags = !{!10, !11}
50 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
51 !1 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/")
53 !4 = distinct !DISubprogram(name: "f", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
54 !5 = !DIFile(filename: "ReportNonAffineAccess-01.c", directory: "test/ScopDetectionDiagnostic/")
55 !6 = !DISubroutineType(types: !7)
57 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
58 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
59 !10 = !{i32 2, !"Dwarf Version", i32 4}
60 !11 = !{i32 2, !"Debug Info Version", i32 3}
61 !12 = !{!"clang version 3.6.0 "}
62 !13 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !8)
63 !14 = !DILocation(line: 1, column: 12, scope: !4)
65 !16 = !DILocalVariable(name: "i", line: 2, scope: !17, file: !5, type: !9)
66 !17 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4)
67 !18 = !DILocation(line: 2, column: 11, scope: !17)
68 !19 = !DILocation(line: 2, column: 7, scope: !17)
69 !20 = !DILocation(line: 3, column: 5, scope: !17)
70 !21 = !DILocation(line: 2, column: 22, scope: !17)
71 !22 = !DILocation(line: 4, column: 1, scope: !4)