1 ; This test checks that we do not accidently mutate the debug info when
2 ; inserting loop parallel metadata.
3 ; RUN: opt %loadNPMPolly < %s -S -polly -passes=polly-codegen -polly-ast-detect-parallel | FileCheck %s
4 ; CHECK-NOT: !7 = !{!7}
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7 @A = common global ptr null, align 8
9 ; Function Attrs: nounwind uwtable
10 define void @foo() !dbg !4 {
12 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !9, metadata !19), !dbg !20
13 %0 = load ptr, ptr @A, align 8, !dbg !21, !tbaa !23
14 br label %for.body, !dbg !27
16 for.body: ; preds = %for.body, %entry
17 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
18 %arrayidx = getelementptr inbounds i32, ptr %0, i64 %indvars.iv, !dbg !21
19 %1 = load i32, ptr %arrayidx, align 4, !dbg !21, !tbaa !30
20 %add = add nsw i32 %1, 1, !dbg !21
21 store i32 %add, ptr %arrayidx, align 4, !dbg !21, !tbaa !30
22 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !27
23 %exitcond = icmp eq i64 %indvars.iv, 1, !dbg !27
24 br i1 %exitcond, label %for.end, label %for.body, !dbg !27
26 for.end: ; preds = %for.body
30 ; Function Attrs: nounwind readnone
31 declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
35 !llvm.module.flags = !{!15, !16}
38 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, globals: !12, imports: !2)
39 !1 = !DIFile(filename: "t2.c", directory: "/local/mnt/workspace/build/tip-Release")
41 !4 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !8)
42 !5 = !DIFile(filename: "t2.c", directory: "/local/mnt/workspace/build/tip-Release")
43 !6 = !DISubroutineType(types: !7)
46 !9 = !DILocalVariable(name: "i", line: 4, scope: !10, file: !5, type: !11)
47 !10 = distinct !DILexicalBlock(line: 4, column: 3, file: !1, scope: !4)
48 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
50 !13 = !DIGlobalVariableExpression(var: !DIGlobalVariable(name: "A", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !14), expr: !DIExpression())
51 !14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
52 !15 = !{i32 2, !"Dwarf Version", i32 4}
53 !16 = !{i32 2, !"Debug Info Version", i32 3}
54 !17 = !{!"clang version 3.6.0 "}
57 !20 = !DILocation(line: 4, column: 12, scope: !10)
58 !21 = !DILocation(line: 5, column: 5, scope: !22)
59 !22 = distinct !DILexicalBlock(line: 4, column: 3, file: !1, scope: !10)
60 !23 = !{!24, !24, i64 0}
61 !24 = !{!"any pointer", !25, i64 0}
62 !25 = !{!"omnipotent char", !26, i64 0}
63 !26 = !{!"Simple C/C++ TBAA"}
64 !27 = !DILocation(line: 4, column: 3, scope: !28)
65 !28 = !DILexicalBlockFile(discriminator: 2, file: !1, scope: !29)
66 !29 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !22)
67 !30 = !{!31, !31, i64 0}
68 !31 = !{!"int", !25, i64 0}
69 !32 = !DILocation(line: 6, column: 1, scope: !4)