| ; RUN: opt %s -passes='sroa,verify' -S -o - | FileCheck %s |
| ; ModuleID = 'test.c' |
| ; Test that SROA updates the debug info correctly if an alloca was rewritten but |
| ; not partitioned into multiple allocas. |
| ; |
| ; CHECK: call void @llvm.dbg.value(metadata float %s.coerce, metadata ![[VAR:[0-9]+]], metadata !DIExpression()) |
| ; CHECK: ![[VAR]] = !DILocalVariable(name: "s",{{.*}} line: 3, |
| |
| ; |
| ; struct S { float f; }; |
| ; |
| ; float foo(struct S s) { |
| ; return s.f; |
| ; } |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| %struct.S = type { float } |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define float @foo(float %s.coerce) #0 !dbg !4 { |
| entry: |
| %s = alloca %struct.S, align 4 |
| store float %s.coerce, ptr %s, align 1 |
| call void @llvm.dbg.declare(metadata ptr %s, metadata !16, metadata !17), !dbg !18 |
| %0 = load float, ptr %s, align 4, !dbg !19 |
| ret float %0, !dbg !19 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind ssp uwtable } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!12, !13, !14} |
| !llvm.ident = !{!15} |
| |
| !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) |
| !1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm/_build.ninja.debug") |
| !2 = !{} |
| !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) |
| !5 = !DIFile(filename: "test.c", directory: "/Volumes/Data/llvm/_build.ninja.debug") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{!8, !9} |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "float", size: 32, align: 32, encoding: DW_ATE_float) |
| !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", line: 1, size: 32, align: 32, file: !1, elements: !10) |
| !10 = !{!11} |
| !11 = !DIDerivedType(tag: DW_TAG_member, name: "f", line: 1, size: 32, align: 32, file: !1, scope: !9, baseType: !8) |
| !12 = !{i32 2, !"Dwarf Version", i32 2} |
| !13 = !{i32 2, !"Debug Info Version", i32 3} |
| !14 = !{i32 1, !"PIC Level", i32 2} |
| !15 = !{!"clang version 3.6.0 "} |
| !16 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !4, file: !5, type: !9) |
| !17 = !DIExpression() |
| !18 = !DILocation(line: 3, column: 20, scope: !4) |
| !19 = !DILocation(line: 4, column: 2, scope: !4) |