64 lines
3.3 KiB
LLVM
64 lines
3.3 KiB
LLVM
; RUN: opt -S -instcombine %s -o - | FileCheck %s
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; For performance reasons, we currently limit the number of values that can be
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; referenced by a dbg.value to 16. This test checks that we do not exceed this
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; limit during salvaging.
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; CHECK: DIArgList(i32 undef
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; CHECK-NOT: DW_OP_LLVM_arg, 16
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @_Z3foov() local_unnamed_addr !dbg !9 {
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entry:
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%call = call i32 @_Z3barv(), !dbg !14
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%call1 = call i32 @_Z3barv(), !dbg !14
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%add = add nsw i32 %call, %call1, !dbg !14
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%call2 = call i32 @_Z3barv(), !dbg !14
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%call4 = call i32 @_Z3barv(), !dbg !14
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%call6 = call i32 @_Z3barv(), !dbg !14
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%call8 = call i32 @_Z3barv(), !dbg !14
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%call10 = call i32 @_Z3barv(), !dbg !14
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%call12 = call i32 @_Z3barv(), !dbg !14
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%call14 = call i32 @_Z3barv(), !dbg !14
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%call16 = call i32 @_Z3barv(), !dbg !14
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%call18 = call i32 @_Z3barv(), !dbg !14
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%call20 = call i32 @_Z3barv(), !dbg !14
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%call22 = call i32 @_Z3barv(), !dbg !14
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%call24 = call i32 @_Z3barv(), !dbg !14
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%call26 = call i32 @_Z3barv(), !dbg !14
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%call28 = call i32 @_Z3barv(), !dbg !14
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%call30 = call i32 @_Z3barv(), !dbg !14
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call void @llvm.dbg.value(metadata !DIArgList(i32 %add, i32 %call30, i32 %call28, i32 %call26, i32 %call24, i32 %call22, i32 %call20, i32 %call18, i32 %call16, i32 %call14, i32 %call12, i32 %call10, i32 %call8, i32 %call6, i32 %call4, i32 %call2), metadata !15, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 15, DW_OP_plus, DW_OP_LLVM_arg, 14, DW_OP_plus, DW_OP_LLVM_arg, 13, DW_OP_plus, DW_OP_LLVM_arg, 12, DW_OP_plus, DW_OP_LLVM_arg, 11, DW_OP_plus, DW_OP_LLVM_arg, 10, DW_OP_plus, DW_OP_LLVM_arg, 9, DW_OP_plus, DW_OP_LLVM_arg, 8, DW_OP_plus, DW_OP_LLVM_arg, 7, DW_OP_plus, DW_OP_LLVM_arg, 6, DW_OP_plus, DW_OP_LLVM_arg, 5, DW_OP_plus, DW_OP_LLVM_arg, 4, DW_OP_plus, DW_OP_LLVM_arg, 3, DW_OP_plus, DW_OP_LLVM_arg, 2, DW_OP_plus, DW_OP_LLVM_arg, 1, DW_OP_plus, DW_OP_stack_value)), !dbg !16
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%call32 = call i32 @_Z3barv(), !dbg !17
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ret i32 %call32, !dbg !17
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}
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declare dso_local i32 @_Z3barv() local_unnamed_addr
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6, !7}
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!llvm.ident = !{!8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "limit-arglist-size.cpp", directory: "/")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{i32 7, !"uwtable", i32 1}
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!7 = !{i32 7, !"frame-pointer", i32 2}
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!8 = !{!"clang version 13.0.0"}
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!9 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !10, file: !10, line: 3, type: !11, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!10 = !DIFile(filename: "./limit-arglist-size.cpp", directory: "/")
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!11 = !DISubroutineType(types: !12)
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!12 = !{!13}
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!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!14 = !DILocation(line: 4, scope: !9)
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!15 = !DILocalVariable(name: "v16", scope: !9, file: !10, line: 4, type: !13)
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!16 = !DILocation(line: 0, scope: !9)
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!17 = !DILocation(line: 5, scope: !9)
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