6e03a68b77
After discussion in D116821 this was turned off in74db5c8c95,14aaaa1236applied to limit the maximum memory consumption in rare conditions, plus some performance patches.
47 lines
2.0 KiB
LLVM
47 lines
2.0 KiB
LLVM
; RUN: llc %s -o - -stop-before=finalize-isel -march=x86-64 \
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; RUN: | FileCheck %s --check-prefixes=INSTRREFON
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; RUN: llc %s -o - -stop-before=finalize-isel -march=x86-64 \
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; RUN: -experimental-debug-variable-locations=true \
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; RUN: | FileCheck %s --check-prefixes=INSTRREFON
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; RUN: llc %s -o - -stop-before=finalize-isel -march=x86-64 \
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; RUN: -experimental-debug-variable-locations=false \
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; RUN: | FileCheck %s --check-prefixes=INSTRREFOFF \
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; RUN: --implicit-check-not=DBG_INSTR_REF
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;; This test checks that for an x86 triple, instruction referencing is used
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;; by llc by default, and that it can be turned explicitly on or off as
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;; desired.
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; INSTRREFON: DBG_INSTR_REF
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; INSTRREFOFF: DBG_VALUE
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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-unknown"
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define hidden i32 @foo(i32 %a) local_unnamed_addr !dbg !7 {
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%b = add i32 %a, 1
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call void @llvm.dbg.value(metadata i32 %b, metadata !11, metadata !DIExpression()), !dbg !12
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ret i32 %b, !dbg !12
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}
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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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}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "foo.cpp", directory: ".")
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!2 = !DIBasicType(name: "int", size: 8, encoding: DW_ATE_signed)
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!3 = !{i32 2, !"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 2}
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!6 = !{i32 7, !"PIC Level", i32 2}
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!7 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !10)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!2, !2}
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!10 = !{!11}
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!11 = !DILocalVariable(name: "baz", scope: !7, file: !1, line: 7, type: !2)
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!12 = !DILocation(line: 10, scope: !7)
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