1 ; RUN: opt %s -sroa -verify -S -o - | FileCheck %s 2 ; ModuleID = 'test.c' 3 ; Test that SROA updates the debug info correctly if an alloca was rewritten but 4 ; not partitioned into multiple allocas. 5 ; 6 ; CHECK: call void @llvm.dbg.value(metadata float %s.coerce, metadata ![[VAR:[0-9]+]], metadata !DIExpression()) 7 ; CHECK: ![[VAR]] = !DILocalVariable(name: "s",{{.*}} line: 3, 8 9 ; 10 ; struct S { float f; }; 11 ; 12 ; float foo(struct S s) { 13 ; return s.f; 14 ; } 15 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 16 target triple = "x86_64-apple-macosx10.10.0" 17 18 %struct.S = type { float } 19 20 ; Function Attrs: nounwind ssp uwtable 21 define float @foo(float %s.coerce) #0 !dbg !4 { 22 entry: 23 %s = alloca %struct.S, align 4 24 %coerce.dive = getelementptr %struct.S, %struct.S* %s, i32 0, i32 0 25 store float %s.coerce, float* %coerce.dive, align 1 26 call void @llvm.dbg.declare(metadata %struct.S* %s, metadata !16, metadata !17), !dbg !18 27 %f = getelementptr inbounds %struct.S, %struct.S* %s, i32 0, i32 0, !dbg !19 28 %0 = load float, float* %f, align 4, !dbg !19 29 ret float %0, !dbg !19 30 } 31 32 ; Function Attrs: nounwind readnone 33 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 34 35 attributes #0 = { nounwind ssp uwtable } 36 attributes #1 = { nounwind readnone } 37 38 !llvm.dbg.cu = !{!0} 39 !llvm.module.flags = !{!12, !13, !14} 40 !llvm.ident = !{!15} 41 42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 43 !1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm/_build.ninja.debug") 44 !2 = !{} 45 !4 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) 46 !5 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm/_build.ninja.debug") 47 !6 = !DISubroutineType(types: !7) 48 !7 = !{!8, !9} 49 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float) 50 !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", line: 1, size: 32, align: 32, file: !1, elements: !10) 51 !10 = !{!11} 52 !11 = !DIDerivedType(tag: DW_TAG_member, name: "f", line: 1, size: 32, align: 32, file: !1, scope: !9, baseType: !8) 53 !12 = !{i32 2, !"Dwarf Version", i32 2} 54 !13 = !{i32 2, !"Debug Info Version", i32 3} 55 !14 = !{i32 1, !"PIC Level", i32 2} 56 !15 = !{!"clang version 3.6.0 "} 57 !16 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !4, file: !5, type: !9) 58 !17 = !DIExpression() 59 !18 = !DILocation(line: 3, column: 20, scope: !4) 60 !19 = !DILocation(line: 4, column: 2, scope: !4) 61
