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101 lines
5.2 KiB
LLVM
101 lines
5.2 KiB
LLVM
; 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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; 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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; CHECK: DW_TAG_formal_parameter [3]
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; CHECK-NEXT: DW_AT_location [DW_FORM_data4] (
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; CHECK-NEXT: 0x0000000000000000 - 0x0000000000000004: DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_piece 0x4, DW_OP_reg4 RSI, DW_OP_piece 0x4
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; CHECK-NEXT: 0x0000000000000004 - 0x0000000000000008: DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_piece 0x4, DW_OP_reg4 RSI, DW_OP_piece 0x4)
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; CHECK-NEXT: DW_AT_name {{.*}}"outer"
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location {{.*}}(DW_OP_reg4 RSI, DW_OP_piece 0x4)
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; CHECK-NEXT: "i1"
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; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-2.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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; Function Attrs: nounwind ssp uwtable
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define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 !dbg !4 {
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call void @llvm.dbg.value(metadata i64 %outer.coerce0, metadata !24, metadata !25), !dbg !26
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call void @llvm.dbg.declare(metadata !{null}, metadata !27, metadata !28), !dbg !26
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call void @llvm.dbg.value(metadata i64 %outer.coerce1, metadata !29, metadata !30), !dbg !26
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call void @llvm.dbg.declare(metadata !{null}, metadata !31, metadata !32), !dbg !26
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; The 'trunc' generates no extra code, thus i1 is visible throughout its scope.
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%outer.sroa.1.8.extract.trunc = trunc i64 %outer.coerce1 to i32, !dbg !33
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call void @llvm.dbg.value(metadata i32 %outer.sroa.1.8.extract.trunc, metadata !34, metadata !35), !dbg !33
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%outer.sroa.1.12.extract.shift = lshr i64 %outer.coerce1, 32, !dbg !33
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%outer.sroa.1.12.extract.trunc = trunc i64 %outer.sroa.1.12.extract.shift to i32, !dbg !33
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call void @llvm.dbg.value(metadata i64 %outer.sroa.1.12.extract.shift, metadata !34, metadata !35), !dbg !33
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call void @llvm.dbg.value(metadata i32 %outer.sroa.1.12.extract.trunc, metadata !34, metadata !35), !dbg !33
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call void @llvm.dbg.declare(metadata !{null}, metadata !34, metadata !35), !dbg !33
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ret i32 %outer.sroa.1.8.extract.trunc, !dbg !36
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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 "no-frame-pointer-elim"="true" }
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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 = !{!21, !22}
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!llvm.ident = !{!23}
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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-2.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-2.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: 128, align: 32, 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: 128, align: 32, file: !1, scope: !10, baseType: !13)
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!13 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 32, baseType: !14, elements: !19)
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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: 64, align: 32, 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: 32, align: 32, offset: 32, file: !1, scope: !15, baseType: !8)
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!19 = !{!20}
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!20 = !DISubrange(count: 2)
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!21 = !{i32 2, !"Dwarf Version", i32 2}
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!22 = !{i32 1, !"Debug Info Version", i32 3}
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!23 = !{!"clang version 3.5.0 "}
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!24 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
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!25 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)
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!26 = !DILocation(line: 10, scope: !4)
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!27 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
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!28 = !DIExpression(DW_OP_LLVM_fragment, 64, 64)
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!29 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
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!30 = !DIExpression(DW_OP_LLVM_fragment, 96, 32)
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!31 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
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!32 = !DIExpression(DW_OP_LLVM_fragment, 64, 32)
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!33 = !DILocation(line: 11, scope: !4)
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!34 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)
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!35 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
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!36 = !DILocation(line: 12, scope: !4)
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