92 lines
5.5 KiB
LLVM
92 lines
5.5 KiB
LLVM
;; Test coalescing of contiguous fragments in adjacent location definitions.
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;; This test contains the first function from coalesce-simple.ll. Just use it
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;; to check whether coalescing happens or not with different flag settings.
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;;
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;; +=================+==============================+======================+
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;; | Coalescing flag | Instruction-Referencing flag | Coalescing behaviour |
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;; +=================+==============================+======================+
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;; | default | enabled | enabled |
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;; | default | disabled | disabled |
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;; | enabled | * | enabled |
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;; | disabled | * | disabled |
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;; +-----------------+------------------------------+----------------------+
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;; Coalescing default + instructino-referencing enabled = enable.
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; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
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; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
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; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
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; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
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;; Coalescing default + instructino-referencing disabled = disable.
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; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
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; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
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; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
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; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
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;; Coalescing enabled + instructino-referencing disabled = enable.
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; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
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; RUN: -debug-ata-coalesce-frags=true \
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; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
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; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
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; RUN: -debug-ata-coalesce-frags=true \
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; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
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;; Coalescing disabled + instructino-referencing enabled = disable.
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; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
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; RUN: -debug-ata-coalesce-frags=false \
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; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
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; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
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; RUN: -debug-ata-coalesce-frags=false \
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; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
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; CHECK: MOV32mi %stack.0.a, 1, $noreg, 0, $noreg, 5
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; ENABLE-NEXT: DBG_VALUE %stack.0.a, $noreg, ![[#]], !DIExpression(DW_OP_deref)
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; DISABLE-NEXT: DBG_VALUE %stack.0.a, $noreg, ![[#]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 0, 32)
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local void @_Z3funv() local_unnamed_addr !dbg !16 {
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entry:
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%a = alloca i64, !DIAssignID !37
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call void @llvm.dbg.assign(metadata i64 poison, metadata !20, metadata !DIExpression(), metadata !37, metadata ptr %a, metadata !DIExpression()), !dbg !25
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call void @llvm.dbg.value(metadata i32 1, metadata !20, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg !25
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store i32 5, ptr %a, !DIAssignID !38
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call void @llvm.dbg.assign(metadata i32 5, metadata !20, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !38, metadata ptr %a, metadata !DIExpression()), !dbg !25
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ret void
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!8, !9, !10, !11, !12, !13, !14}
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!llvm.ident = !{!15}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "G", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 17.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "test.cpp", directory: "/")
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!4 = !{!0, !5}
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!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
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!6 = distinct !DIGlobalVariable(name: "F", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
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!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!8 = !{i32 7, !"Dwarf Version", i32 5}
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 1, !"wchar_size", i32 4}
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!11 = !{i32 8, !"PIC Level", i32 2}
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!12 = !{i32 7, !"PIE Level", i32 2}
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!13 = !{i32 7, !"uwtable", i32 2}
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!14 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
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!15 = !{!"clang version 17.0.0"}
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!16 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !3, file: !3, line: 3, type: !17, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !19)
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!17 = !DISubroutineType(types: !18)
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!18 = !{null}
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!19 = !{!20}
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!20 = !DILocalVariable(name: "X", scope: !16, file: !3, line: 4, type: !21)
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!21 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Pair", file: !3, line: 2, size: 64, flags: DIFlagTypePassByValue, elements: !22, identifier: "_ZTS4Pair")
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!22 = !{}
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!25 = !DILocation(line: 0, scope: !16)
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!26 = !DILocation(line: 7, column: 7, scope: !27)
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!27 = distinct !DILexicalBlock(scope: !16, file: !3, line: 7, column: 7)
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!37 = distinct !DIAssignID()
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!38 = distinct !DIAssignID()
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