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91 lines
4.2 KiB
LLVM
91 lines
4.2 KiB
LLVM
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; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v - | FileCheck %s
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;
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; // Compile with -O1
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; typedef struct {
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; int a;
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; long int b;
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; } Inner;
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;
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; typedef struct {
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; Inner inner[2];
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; } Outer;
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;
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; int foo(Outer outer) {
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; Inner i1 = outer.inner[1];
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; return i1.a;
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; }
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;
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;
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; CHECK: DW_TAG_variable [4]
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; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (
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; CHECK-NEXT: 0x0000000000000004 - 0x0000000000000005: DW_OP_reg0 RAX, DW_OP_piece 0x4)
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; CHECK-NEXT: DW_AT_name {{.*}}"i1"
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; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll'
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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%struct.Outer = type { [2 x %struct.Inner] }
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%struct.Inner = type { i32, i64 }
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; Function Attrs: nounwind ssp uwtable
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define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 {
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entry:
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call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !DIExpression()), !dbg !26
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%i1.sroa.0.0..sroa_idx = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i64 0, i32 0, i64 1, i32 0, !dbg !27
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%i1.sroa.0.0.copyload = load i32, i32* %i1.sroa.0.0..sroa_idx, align 8, !dbg !27
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call void @llvm.dbg.value(metadata i32 %i1.sroa.0.0.copyload, metadata !28, metadata !29), !dbg !27
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%i1.sroa.2.0..sroa_raw_cast = bitcast %struct.Outer* %outer to i8*, !dbg !27
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%i1.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %i1.sroa.2.0..sroa_raw_cast, i64 20, !dbg !27
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ret i32 %i1.sroa.0.0.copyload, !dbg !32
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!22, !23}
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!llvm.ident = !{!24}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "sroasplit-1.c", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "sroasplit-1.c", directory: "")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !9}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10)
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!10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11)
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!11 = !{!12}
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13)
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!13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20)
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!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15)
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!15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16)
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!16 = !{!17, !18}
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!17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8)
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!18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19)
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!19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!20 = !{!21}
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!21 = !DISubrange(count: 2)
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!22 = !{i32 2, !"Dwarf Version", i32 2}
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!23 = !{i32 1, !"Debug Info Version", i32 3}
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!24 = !{!"clang version 3.5.0 "}
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!25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
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!26 = !DILocation(line: 10, scope: !4)
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!27 = !DILocation(line: 11, scope: !4)
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!28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)
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!29 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
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!31 = !{i32 3, i32 0, i32 12}
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!32 = !DILocation(line: 12, scope: !4)
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