1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
2 ; RUN: opt -verify -iroutliner -ir-outlining-no-cost < %s | \
3 ; RUN: llc -filetype=obj -mtriple=aarch64-- | llvm-dwarfdump - | FileCheck %s
5 ; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck -check-prefix=IRDEBUG %s
7 ; Ensure that the IR Outliner produces valid DWARF debug information when
8 ; creating outlined functions.
10 ; CHECK: DW_TAG_compile_unit
11 ; CHECK-DAG: DW_AT_name ("outline_debug1")
13 ; Check the high address of bar. This is one past the end of bar. It should be
14 ; the beginning of the outlined function.
15 ; CHECK: DW_AT_high_pc ([[ONE_PAST_BAR:0x[a-f0-9]+]])
16 ; CHECK-NEXT: DW_AT_frame_base (DW_OP_reg31 WSP)
17 ; CHECK-NEXT: DW_AT_linkage_name ("outline_debug2")
18 ; CHECK-NEXT: DW_AT_name ("outline_debug2")
20 ; Check the outlined function's DWARF.
21 ; CHECK-DAG: DW_TAG_subprogram
22 ; CHECK-NEXT: DW_AT_low_pc ([[ONE_PAST_BAR]])
23 ; CHECK-NEXT: DW_AT_high_pc (0x{{[0-9a-f]+}})
24 ; CHECK-NEXT: DW_AT_frame_base (DW_OP_reg31 WSP)
25 ; CHECK-NEXT: DW_AT_linkage_name ("[[NAME:outlined_ir_func_[0-9]+]]")
26 ; CHECK-NEXT: DW_AT_name ("[[NAME]]")
27 ; CHECK-NEXT: DW_AT_artificial (true)
28 ; CHECK-NEXT: DW_AT_external (true)
30 define void @outline_debug1() !dbg !6 {
32 %a = alloca i32, align 4, !dbg !17
33 call void @llvm.dbg.value(metadata i32* %a, metadata !9, metadata !DIExpression()), !dbg !17
34 %b = alloca i32, align 4, !dbg !18
35 call void @llvm.dbg.value(metadata i32* %b, metadata !11, metadata !DIExpression()), !dbg !18
36 %c = alloca i32, align 4, !dbg !19
37 call void @llvm.dbg.value(metadata i32* %c, metadata !12, metadata !DIExpression()), !dbg !19
38 store i32 2, i32* %a, align 4, !dbg !20
39 store i32 3, i32* %b, align 4, !dbg !21
40 store i32 4, i32* %c, align 4, !dbg !22
41 %al = load i32, i32* %a, align 4, !dbg !23
42 call void @llvm.dbg.value(metadata i32 %al, metadata !13, metadata !DIExpression()), !dbg !23
43 %bl = load i32, i32* %b, align 4, !dbg !24
44 call void @llvm.dbg.value(metadata i32 %bl, metadata !15, metadata !DIExpression()), !dbg !24
45 %cl = load i32, i32* %c, align 4, !dbg !25
46 call void @llvm.dbg.value(metadata i32 %cl, metadata !16, metadata !DIExpression()), !dbg !25
50 define void @outline_debug2() !dbg !27 {
52 %a = alloca i32, align 4, !dbg !35
53 call void @llvm.dbg.value(metadata i32* %a, metadata !29, metadata !DIExpression()), !dbg !35
54 %b = alloca i32, align 4, !dbg !36
55 call void @llvm.dbg.value(metadata i32* %b, metadata !30, metadata !DIExpression()), !dbg !36
56 %c = alloca i32, align 4, !dbg !37
57 call void @llvm.dbg.value(metadata i32* %c, metadata !31, metadata !DIExpression()), !dbg !37
58 store i32 2, i32* %a, align 4, !dbg !38
59 store i32 3, i32* %b, align 4, !dbg !39
60 store i32 4, i32* %c, align 4, !dbg !40
61 %al = load i32, i32* %a, align 4, !dbg !41
62 call void @llvm.dbg.value(metadata i32 %al, metadata !32, metadata !DIExpression()), !dbg !41
63 %bl = load i32, i32* %b, align 4, !dbg !42
64 call void @llvm.dbg.value(metadata i32 %bl, metadata !33, metadata !DIExpression()), !dbg !42
65 %cl = load i32, i32* %c, align 4, !dbg !43
66 call void @llvm.dbg.value(metadata i32 %cl, metadata !34, metadata !DIExpression()), !dbg !43
70 ; Function Attrs: nounwind readnone speculatable willreturn
71 declare void @llvm.dbg.value(metadata, metadata, metadata) #0
73 attributes #0 = { nounwind readnone speculatable willreturn }
76 !llvm.debugify = !{!3, !4}
77 !llvm.module.flags = !{!5}
79 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
80 !1 = !DIFile(filename: "llvm/test/DebugInfo/ir-outliner.ll", directory: "/")
84 !5 = !{i32 2, !"Debug Info Version", i32 3}
85 !6 = distinct !DISubprogram(name: "outline_debug1", linkageName: "outline_debug1", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
86 !7 = !DISubroutineType(types: !2)
87 !8 = !{!9, !11, !12, !13, !15, !16}
88 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
89 !10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
90 !11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 2, type: !10)
91 !12 = !DILocalVariable(name: "3", scope: !6, file: !1, line: 3, type: !10)
92 !13 = !DILocalVariable(name: "4", scope: !6, file: !1, line: 7, type: !14)
93 !14 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
94 !15 = !DILocalVariable(name: "5", scope: !6, file: !1, line: 8, type: !14)
95 !16 = !DILocalVariable(name: "6", scope: !6, file: !1, line: 9, type: !14)
96 !17 = !DILocation(line: 1, column: 1, scope: !6)
97 !18 = !DILocation(line: 2, column: 1, scope: !6)
98 !19 = !DILocation(line: 3, column: 1, scope: !6)
99 !20 = !DILocation(line: 4, column: 1, scope: !6)
100 !21 = !DILocation(line: 5, column: 1, scope: !6)
101 !22 = !DILocation(line: 6, column: 1, scope: !6)
102 !23 = !DILocation(line: 7, column: 1, scope: !6)
103 !24 = !DILocation(line: 8, column: 1, scope: !6)
104 !25 = !DILocation(line: 9, column: 1, scope: !6)
105 !26 = !DILocation(line: 10, column: 1, scope: !6)
106 !27 = distinct !DISubprogram(name: "outline_debug2", linkageName: "outline_debug2", scope: null, file: !1, line: 11, type: !7, scopeLine: 11, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !28)
107 !28 = !{!29, !30, !31, !32, !33, !34}
108 !29 = !DILocalVariable(name: "7", scope: !27, file: !1, line: 11, type: !10)
109 !30 = !DILocalVariable(name: "8", scope: !27, file: !1, line: 12, type: !10)
110 !31 = !DILocalVariable(name: "9", scope: !27, file: !1, line: 13, type: !10)
111 !32 = !DILocalVariable(name: "10", scope: !27, file: !1, line: 17, type: !14)
112 !33 = !DILocalVariable(name: "11", scope: !27, file: !1, line: 18, type: !14)
113 !34 = !DILocalVariable(name: "12", scope: !27, file: !1, line: 19, type: !14)
114 !35 = !DILocation(line: 11, column: 1, scope: !27)
115 !36 = !DILocation(line: 12, column: 1, scope: !27)
116 !37 = !DILocation(line: 13, column: 1, scope: !27)
117 !38 = !DILocation(line: 14, column: 1, scope: !27)
118 !39 = !DILocation(line: 15, column: 1, scope: !27)
119 !40 = !DILocation(line: 16, column: 1, scope: !27)
120 !41 = !DILocation(line: 17, column: 1, scope: !27)
121 !42 = !DILocation(line: 18, column: 1, scope: !27)
122 !43 = !DILocation(line: 19, column: 1, scope: !27)
123 !44 = !DILocation(line: 20, column: 1, scope: !27)
125 ; IRDEBUG-LABEL: @outline_debug1(
126 ; IRDEBUG-NEXT: entry:
127 ; IRDEBUG-NEXT: [[A:%.*]] = alloca i32, align 4, !dbg [[DBG17:![0-9]+]]
128 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[A]], metadata [[META9:![0-9]+]], metadata !DIExpression()), !dbg [[DBG17]]
129 ; IRDEBUG-NEXT: [[B:%.*]] = alloca i32, align 4, !dbg [[DBG18:![0-9]+]]
130 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[B]], metadata [[META11:![0-9]+]], metadata !DIExpression()), !dbg [[DBG18]]
131 ; IRDEBUG-NEXT: [[C:%.*]] = alloca i32, align 4, !dbg [[DBG19:![0-9]+]]
132 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[C]], metadata [[META12:![0-9]+]], metadata !DIExpression()), !dbg [[DBG19]]
133 ; IRDEBUG-NEXT: call void @outlined_ir_func_0(i32* [[A]], i32* [[B]], i32* [[C]]), !dbg [[DBG20:![0-9]+]]
134 ; IRDEBUG-NEXT: ret void, !dbg [[DBG21:![0-9]+]]
137 ; IRDEBUG-LABEL: @outline_debug2(
138 ; IRDEBUG-NEXT: entry:
139 ; IRDEBUG-NEXT: [[A:%.*]] = alloca i32, align 4, !dbg [[DBG30:![0-9]+]]
140 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[A]], metadata [[META24:![0-9]+]], metadata !DIExpression()), !dbg [[DBG30]]
141 ; IRDEBUG-NEXT: [[B:%.*]] = alloca i32, align 4, !dbg [[DBG31:![0-9]+]]
142 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[B]], metadata [[META25:![0-9]+]], metadata !DIExpression()), !dbg [[DBG31]]
143 ; IRDEBUG-NEXT: [[C:%.*]] = alloca i32, align 4, !dbg [[DBG32:![0-9]+]]
144 ; IRDEBUG-NEXT: call void @llvm.dbg.value(metadata i32* [[C]], metadata [[META26:![0-9]+]], metadata !DIExpression()), !dbg [[DBG32]]
145 ; IRDEBUG-NEXT: call void @outlined_ir_func_0(i32* [[A]], i32* [[B]], i32* [[C]]), !dbg [[DBG33:![0-9]+]]
146 ; IRDEBUG-NEXT: ret void, !dbg [[DBG34:![0-9]+]]
149 ; IRDEBUG: @outlined_ir_func_0(i32* [[TMP0:%.*]], i32* [[TMP1:%.*]], i32* [[TMP2:%.*]])
150 ; IRDEBUG: entry_to_outline:
151 ; IRDEBUG-NEXT: store i32 2, i32* [[TMP0]], align 4
152 ; IRDEBUG-NEXT: store i32 3, i32* [[TMP1]], align 4
153 ; IRDEBUG-NEXT: store i32 4, i32* [[TMP2]], align 4
154 ; IRDEBUG-NEXT: [[AL:%.*]] = load i32, i32* [[TMP0]], align 4
155 ; IRDEBUG-NEXT: [[BL:%.*]] = load i32, i32* [[TMP1]], align 4
156 ; IRDEBUG-NEXT: [[CL:%.*]] = load i32, i32* [[TMP2]], align 4
157 ; IRDEBUG-NEXT: br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]