1; RUN: opt %s -passes='sroa,verify' -S -o - | FileCheck %s 2; RUN: opt --try-experimental-debuginfo-iterators %s -passes='sroa,verify' -S -o - | FileCheck %s 3 4; ModuleID = 'test.c' 5; Test that SROA updates the debug info correctly if an alloca was rewritten but 6; not partitioned into multiple allocas. 7; 8; CHECK: #dbg_value(float %s.coerce, ![[VAR:[0-9]+]], !DIExpression(), 9; CHECK: ![[VAR]] = !DILocalVariable(name: "s",{{.*}} line: 3, 10 11; 12; struct S { float f; }; 13; 14; float foo(struct S s) { 15; return s.f; 16; } 17target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 18target triple = "x86_64-apple-macosx10.10.0" 19 20%struct.S = type { float } 21 22; Function Attrs: nounwind ssp uwtable 23define float @foo(float %s.coerce) #0 !dbg !4 { 24entry: 25 %s = alloca %struct.S, align 4 26 store float %s.coerce, ptr %s, align 1 27 call void @llvm.dbg.declare(metadata ptr %s, metadata !16, metadata !17), !dbg !18 28 %0 = load float, ptr %s, align 4, !dbg !19 29 ret float %0, !dbg !19 30} 31 32; Function Attrs: nounwind readnone 33declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 34 35attributes #0 = { nounwind ssp uwtable } 36attributes #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