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5f220beefc
Previously, subprograms contained a metadata reference to the function they described. Because most clients need to get or set a subprogram for a given function rather than the other way around, this created unneeded inefficiency. For example, many passes needed to call the function llvm::makeSubprogramMap() to build a mapping from functions to subprograms, and the IR linker needed to fix up function references in a way that caused quadratic complexity in the IR linking phase of LTO. This change reverses the direction of the edge by storing the subprogram as function-level metadata and removing DISubprogram's function field. Since this is an IR change, a bitcode upgrade has been provided. Fixes PR23367. An upgrade script for textual IR for out-of-tree clients is attached to the PR. Differential Revision: http://reviews.llvm.org/D14265 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252219 91177308-0d34-0410-b5e6-96231b3b80d8
116 lines
7.1 KiB
LLVM
116 lines
7.1 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; Radar 9309221
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; Test dwarf reg no for d16
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;CHECK: DW_OP_regx
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;CHECK-NEXT: 272
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32"
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target triple = "thumbv7-apple-darwin10"
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@.str = private unnamed_addr constant [11 x i8] c"%p %lf %c\0A\00", align 4
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@.str1 = private unnamed_addr constant [6 x i8] c"point\00", align 4
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define i32 @inlineprinter(i8* %ptr, double %val, i8 zeroext %c) nounwind optsize !dbg !9 {
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entry:
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tail call void @llvm.dbg.value(metadata i8* %ptr, i64 0, metadata !19, metadata !DIExpression()), !dbg !26
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tail call void @llvm.dbg.value(metadata double %val, i64 0, metadata !20, metadata !DIExpression()), !dbg !26
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tail call void @llvm.dbg.value(metadata i8 %c, i64 0, metadata !21, metadata !DIExpression()), !dbg !26
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%0 = zext i8 %c to i32, !dbg !27
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%1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %ptr, double %val, i32 %0) nounwind, !dbg !27
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ret i32 0, !dbg !29
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}
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define i32 @printer(i8* %ptr, double %val, i8 zeroext %c) nounwind optsize noinline !dbg !0 {
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entry:
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tail call void @llvm.dbg.value(metadata i8* %ptr, i64 0, metadata !16, metadata !DIExpression()), !dbg !30
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tail call void @llvm.dbg.value(metadata double %val, i64 0, metadata !17, metadata !DIExpression()), !dbg !30
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tail call void @llvm.dbg.value(metadata i8 %c, i64 0, metadata !18, metadata !DIExpression()), !dbg !30
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%0 = zext i8 %c to i32, !dbg !31
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%1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %ptr, double %val, i32 %0) nounwind, !dbg !31
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ret i32 0, !dbg !33
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}
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declare i32 @printf(i8* nocapture, ...) nounwind
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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define i32 @main(i32 %argc, i8** nocapture %argv) nounwind optsize !dbg !10 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !22, metadata !DIExpression()), !dbg !34
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tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !23, metadata !DIExpression()), !dbg !34
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%0 = sitofp i32 %argc to double, !dbg !35
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%1 = fadd double %0, 5.555552e+05, !dbg !35
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tail call void @llvm.dbg.value(metadata double %1, i64 0, metadata !24, metadata !DIExpression()), !dbg !35
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%2 = tail call i32 @puts(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str1, i32 0, i32 0)) nounwind, !dbg !36
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%3 = getelementptr inbounds i8, i8* bitcast (i32 (i32, i8**)* @main to i8*), i32 %argc, !dbg !37
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%4 = trunc i32 %argc to i8, !dbg !37
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%5 = add i8 %4, 97, !dbg !37
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tail call void @llvm.dbg.value(metadata i8* %3, i64 0, metadata !49, metadata !DIExpression()) nounwind, !dbg !38
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tail call void @llvm.dbg.value(metadata double %1, i64 0, metadata !50, metadata !DIExpression()) nounwind, !dbg !38
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tail call void @llvm.dbg.value(metadata i8 %5, i64 0, metadata !51, metadata !DIExpression()) nounwind, !dbg !38
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%6 = zext i8 %5 to i32, !dbg !39
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%7 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i8* %3, double %1, i32 %6) nounwind, !dbg !39
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%8 = tail call i32 @printer(i8* %3, double %1, i8 zeroext %5) nounwind, !dbg !40
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ret i32 0, !dbg !41
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}
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declare i32 @puts(i8* nocapture) nounwind
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!48}
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!0 = distinct !DISubprogram(name: "printer", linkageName: "printer", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 12, file: !46, scope: !1, type: !3, variables: !43)
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!1 = !DIFile(filename: "a.c", directory: "/tmp/")
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!2 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "(LLVM build 00)", isOptimized: true, emissionKind: 1, file: !46, enums: !47, retainedTypes: !47, subprograms: !42, imports: null)
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!3 = !DISubroutineType(types: !4)
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!4 = !{!5, !6, !7, !8}
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!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !46, scope: !1, baseType: null)
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!7 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 32, encoding: DW_ATE_float)
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned char", size: 8, align: 8, encoding: DW_ATE_unsigned_char)
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!9 = distinct !DISubprogram(name: "inlineprinter", linkageName: "inlineprinter", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 5, file: !46, scope: !1, type: !3, variables: !44)
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!10 = distinct !DISubprogram(name: "main", linkageName: "main", line: 18, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 18, file: !46, scope: !1, type: !11, variables: !45)
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!11 = !DISubroutineType(types: !12)
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!12 = !{!5, !5, !13}
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !46, scope: !1, baseType: !14)
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!14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, file: !46, scope: !1, baseType: !15)
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!15 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
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!16 = !DILocalVariable(name: "ptr", line: 11, arg: 1, scope: !0, file: !1, type: !6)
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!17 = !DILocalVariable(name: "val", line: 11, arg: 2, scope: !0, file: !1, type: !7)
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!18 = !DILocalVariable(name: "c", line: 11, arg: 3, scope: !0, file: !1, type: !8)
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!19 = !DILocalVariable(name: "ptr", line: 4, arg: 1, scope: !9, file: !1, type: !6)
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!20 = !DILocalVariable(name: "val", line: 4, arg: 2, scope: !9, file: !1, type: !7)
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!21 = !DILocalVariable(name: "c", line: 4, arg: 3, scope: !9, file: !1, type: !8)
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!49 = !DILocalVariable(name: "ptr", line: 4, arg: 1, scope: !9, file: !1, type: !6)
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!50 = !DILocalVariable(name: "val", line: 4, arg: 2, scope: !9, file: !1, type: !7)
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!51 = !DILocalVariable(name: "c", line: 4, arg: 2, scope: !9, file: !1, type: !8)
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!22 = !DILocalVariable(name: "argc", line: 17, arg: 1, scope: !10, file: !1, type: !5)
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!23 = !DILocalVariable(name: "argv", line: 17, arg: 2, scope: !10, file: !1, type: !13)
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!24 = !DILocalVariable(name: "dval", line: 19, scope: !25, file: !1, type: !7)
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!25 = distinct !DILexicalBlock(line: 18, column: 0, file: !46, scope: !10)
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!26 = !DILocation(line: 4, scope: !9)
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!27 = !DILocation(line: 6, scope: !28)
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!28 = distinct !DILexicalBlock(line: 5, column: 0, file: !46, scope: !9)
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!29 = !DILocation(line: 7, scope: !28)
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!30 = !DILocation(line: 11, scope: !0)
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!31 = !DILocation(line: 13, scope: !32)
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!32 = distinct !DILexicalBlock(line: 12, column: 0, file: !46, scope: !0)
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!33 = !DILocation(line: 14, scope: !32)
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!34 = !DILocation(line: 17, scope: !10)
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!35 = !DILocation(line: 19, scope: !25)
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!36 = !DILocation(line: 20, scope: !25)
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!37 = !DILocation(line: 21, scope: !25)
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!38 = !DILocation(line: 4, scope: !9, inlinedAt: !37)
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!39 = !DILocation(line: 6, scope: !28, inlinedAt: !37)
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!40 = !DILocation(line: 22, scope: !25)
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!41 = !DILocation(line: 23, scope: !25)
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!42 = !{!0, !9, !10}
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!43 = !{!16, !17, !18}
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!44 = !{!19, !20, !21}
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!45 = !{!22, !23, !24}
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!46 = !DIFile(filename: "a.c", directory: "/tmp/")
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!47 = !{}
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!48 = !{i32 1, !"Debug Info Version", i32 3}
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