1 ; RUN: opt %s -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" 5 6 %struct.status = type { i32, i8* } 7 8 @status = internal unnamed_addr global [32 x %struct.status] zeroinitializer, align 16, !dbg !0 9 10 define void @f0() local_unnamed_addr !dbg !20 { 11 entry: 12 tail call void @llvm.dbg.value(metadata i32 0, metadata !23, metadata !DIExpression()), !dbg !24 13 br label %for.cond, !dbg !24 14 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 22 23 for.body: ; preds = %for.cond 24 %idxprom = sext i32 %i.0 to i64, !dbg !24 25 %value = getelementptr inbounds [32 x %struct.status], [32 x %struct.status]* @status, i64 0, i64 %idxprom, i32 0, !dbg !24 26 store i32 42, i32* %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 31 32 for.end: ; preds = %for.cond 33 ret void, !dbg !24 34 } 35 36 declare void @use(i32) 37 38 ; Function Attrs: nounwind readnone speculatable 39 declare void @llvm.dbg.value(metadata, metadata, metadata) #0 40 41 attributes #0 = { nounwind readnone speculatable } 42 43 !llvm.dbg.cu = !{!2} 44 !llvm.module.flags = !{!16, !17, !18} 45 !llvm.ident = !{!19} 46 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") 51 !4 = !{} 52 !5 = !{!0} 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) 55 !8 = !{!9, !11} 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) 61 !14 = !{!15} 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) 69 !22 = !{!23} 70 !23 = !DILocalVariable(name: "i", scope: !20, file: !3, line: 8, type: !10) 71 !24 = !DILocation(line: 9, scope: !20) 72
