1 ; RUN: opt %s -passes=indvars -S -o - | FileCheck %s
2 source_filename = "/Data/llvm/test/Transforms/IndVarSimplify/scev-phi-debug-info.ll"
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-unknown-linux-gnu"
6 %struct.status = type { i32, ptr }
8 @status = internal unnamed_addr global [32 x %struct.status] zeroinitializer, align 16, !dbg !0
10 define void @f0() local_unnamed_addr !dbg !20 {
12 tail call void @llvm.dbg.value(metadata i32 0, metadata !23, metadata !DIExpression()), !dbg !24
13 br label %for.cond, !dbg !24
15 for.cond: ; preds = %for.body, %entry
16 ; CHECK: %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
17 ; CHECK: call void @llvm.dbg.value(metadata i64 %indvars.iv, metadata !23, metadata !DIExpression()), !dbg !24
18 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
19 tail call void @llvm.dbg.value(metadata i32 %i.0, metadata !23, metadata !DIExpression()), !dbg !24
20 %cmp = icmp slt i32 %i.0, 32, !dbg !24
21 br i1 %cmp, label %for.body, label %for.end, !dbg !24
23 for.body: ; preds = %for.cond
24 %idxprom = sext i32 %i.0 to i64, !dbg !24
25 %value = getelementptr inbounds [32 x %struct.status], ptr @status, i64 0, i64 %idxprom, i32 0, !dbg !24
26 store i32 42, ptr %value, align 16, !dbg !24
27 tail call void @use(i32 %i.0), !dbg !24
28 %inc = add nsw i32 %i.0, 1, !dbg !24
29 tail call void @llvm.dbg.value(metadata i32 %inc, metadata !23, metadata !DIExpression()), !dbg !24
30 br label %for.cond, !dbg !24
32 for.end: ; preds = %for.cond
36 declare void @use(i32)
38 ; Function Attrs: nounwind readnone speculatable
39 declare void @llvm.dbg.value(metadata, metadata, metadata) #0
41 attributes #0 = { nounwind readnone speculatable }
44 !llvm.module.flags = !{!16, !17, !18}
47 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
48 !1 = distinct !DIGlobalVariable(name: "status", scope: !2, file: !3, line: 5, type: !6, isLocal: true, isDefinition: true)
49 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 316001) (llvm/trunk 316171)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
50 !3 = !DIFile(filename: "x.c", directory: "/home/davide/work/llvm/build-release/bin")
53 !6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 4096, elements: !14)
54 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "status", file: !3, line: 2, size: 128, elements: !8)
56 !9 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !7, file: !3, line: 3, baseType: !10, size: 32)
57 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
58 !11 = !DIDerivedType(tag: DW_TAG_member, name: "p", scope: !7, file: !3, line: 4, baseType: !12, size: 64, offset: 64)
59 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
60 !13 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)
62 !15 = !DISubrange(count: 32)
63 !16 = !{i32 2, !"Dwarf Version", i32 4}
64 !17 = !{i32 2, !"Debug Info Version", i32 3}
65 !18 = !{i32 1, !"wchar_size", i32 4}
66 !19 = !{!"clang version 6.0.0 (trunk 316001) (llvm/trunk 316171)"}
67 !20 = distinct !DISubprogram(name: "f0", scope: !3, file: !3, line: 6, type: !21, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !22)
68 !21 = !DISubroutineType(types: !4)
70 !23 = !DILocalVariable(name: "i", scope: !20, file: !3, line: 8, type: !10)
71 !24 = !DILocation(line: 9, scope: !20)