1 ;; Test coalescing of contiguous fragments in adjacent location definitions.
2 ;; This test contains the first function from coalesce-simple.ll. Just use it
3 ;; to check whether coalescing happens or not with different flag settings.
5 ;; +=================+==============================+======================+
6 ;; | Coalescing flag | Instruction-Referencing flag | Coalescing behaviour |
7 ;; +=================+==============================+======================+
8 ;; | default | enabled | enabled |
9 ;; | default | disabled | disabled |
10 ;; | enabled | * | enabled |
11 ;; | disabled | * | disabled |
12 ;; +-----------------+------------------------------+----------------------+
14 ;; Coalescing default + instructino-referencing enabled = enable.
15 ; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
16 ; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
17 ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
18 ; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
20 ;; Coalescing default + instructino-referencing disabled = disable.
21 ; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
22 ; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
23 ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
24 ; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
26 ;; Coalescing enabled + instructino-referencing disabled = enable.
27 ; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
28 ; RUN: -debug-ata-coalesce-frags=true \
29 ; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
30 ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=false \
31 ; RUN: -debug-ata-coalesce-frags=true \
32 ; RUN: | FileCheck %s --check-prefixes=CHECK,ENABLE
34 ;; Coalescing disabled + instructino-referencing enabled = disable.
35 ; RUN: llc %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
36 ; RUN: -debug-ata-coalesce-frags=false \
37 ; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
38 ; RUN: llc --try-experimental-debuginfo-iterators %s -o - -stop-after=finalize-isel -experimental-debug-variable-locations=true \
39 ; RUN: -debug-ata-coalesce-frags=false \
40 ; RUN: | FileCheck %s --check-prefixes=CHECK,DISABLE
42 ; CHECK: MOV32mi %stack.0.a, 1, $noreg, 0, $noreg, 5
43 ; ENABLE-NEXT: DBG_VALUE %stack.0.a, $noreg, ![[#]], !DIExpression(DW_OP_deref)
44 ; DISABLE-NEXT: DBG_VALUE %stack.0.a, $noreg, ![[#]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 0, 32)
46 target triple = "x86_64-unknown-linux-gnu"
48 define dso_local void @_Z3funv() local_unnamed_addr !dbg !16 {
50 %a = alloca i64, !DIAssignID !37
51 call void @llvm.dbg.assign(metadata i64 poison, metadata !20, metadata !DIExpression(), metadata !37, metadata ptr %a, metadata !DIExpression()), !dbg !25
52 call void @llvm.dbg.value(metadata i32 1, metadata !20, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32)), !dbg !25
53 store i32 5, ptr %a, !DIAssignID !38
54 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
58 declare void @llvm.dbg.value(metadata, metadata, metadata)
59 declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
62 !llvm.module.flags = !{!8, !9, !10, !11, !12, !13, !14}
65 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
66 !1 = distinct !DIGlobalVariable(name: "G", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
67 !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)
68 !3 = !DIFile(filename: "test.cpp", directory: "/")
70 !5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
71 !6 = distinct !DIGlobalVariable(name: "F", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
72 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
73 !8 = !{i32 7, !"Dwarf Version", i32 5}
74 !9 = !{i32 2, !"Debug Info Version", i32 3}
75 !10 = !{i32 1, !"wchar_size", i32 4}
76 !11 = !{i32 8, !"PIC Level", i32 2}
77 !12 = !{i32 7, !"PIE Level", i32 2}
78 !13 = !{i32 7, !"uwtable", i32 2}
79 !14 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
80 !15 = !{!"clang version 17.0.0"}
81 !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)
82 !17 = !DISubroutineType(types: !18)
85 !20 = !DILocalVariable(name: "X", scope: !16, file: !3, line: 4, type: !21)
86 !21 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Pair", file: !3, line: 2, size: 64, flags: DIFlagTypePassByValue, elements: !22, identifier: "_ZTS4Pair")
88 !25 = !DILocation(line: 0, scope: !16)
89 !26 = !DILocation(line: 7, column: 7, scope: !27)
90 !27 = distinct !DILexicalBlock(scope: !16, file: !3, line: 7, column: 7)
91 !37 = distinct !DIAssignID()
92 !38 = distinct !DIAssignID()