88 lines
4.3 KiB
LLVM
88 lines
4.3 KiB
LLVM
; RUN: opt %s -S -passes=inline -o - | FileCheck %s
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; RUN: opt --try-experimental-debuginfo-iterators %s -S -passes=inline -o - | FileCheck %s
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;; Check that all DIAssignID metadata that are inlined are replaced with new
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;; versions. Otherwise two inlined instances of an assignment will be considered
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;; to be the same assignment.
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;;
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;; $cat test.cpp
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;; __attribute__((always_inline))
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;; int get() { int val = 5; return val; }
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;; void fun() {
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;; get();
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;; get();
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;; }
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; CHECK-LABEL: _Z3funv
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;
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; CHECK: store i32 5, ptr %val.i, align 4{{.*}}, !DIAssignID [[ID_0:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 5, metadata [[val:![0-9]+]], metadata !DIExpression(), metadata [[ID_0]], metadata ptr %val.i, metadata !DIExpression()), !dbg [[dl_inline_0:![0-9]+]]
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;
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; CHECK: store i32 5, ptr %val.i1, align 4{{.*}}, !DIAssignID [[ID_1:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.assign(metadata i32 5, metadata [[val]], metadata !DIExpression(), metadata [[ID_1]], metadata ptr %val.i1, metadata !DIExpression()), !dbg [[dl_inline_1:![0-9]+]]
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;
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; CHECK-DAG: [[val]] = !DILocalVariable(name: "val",
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; CHECK-DAG: [[dl_inline_0]] = !DILocation({{.*}}inlinedAt
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; CHECK-DAG: [[dl_inline_1]] = !DILocation({{.*}}inlinedAt
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; CHECK-DAG: [[ID_0]] = distinct !DIAssignID()
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; CHECK-DAG: [[ID_1]] = distinct !DIAssignID()
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define dso_local i32 @_Z3getv() !dbg !7 {
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entry:
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%val = alloca i32, align 4, !DIAssignID !13
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call void @llvm.dbg.assign(metadata i1 undef, metadata !12, metadata !DIExpression(), metadata !13, metadata ptr %val, metadata !DIExpression()), !dbg !14
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%0 = bitcast ptr %val to ptr, !dbg !15
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call void @llvm.lifetime.start.p0i8(i64 4, ptr %0), !dbg !15
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store i32 5, ptr %val, align 4, !dbg !16, !DIAssignID !21
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call void @llvm.dbg.assign(metadata i32 5, metadata !12, metadata !DIExpression(), metadata !21, metadata ptr %val, metadata !DIExpression()), !dbg !14
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%1 = load i32, ptr %val, align 4, !dbg !22
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%2 = bitcast ptr %val to ptr, !dbg !23
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call void @llvm.lifetime.end.p0i8(i64 4, ptr %2), !dbg !23
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ret i32 %1, !dbg !24
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}
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declare void @llvm.lifetime.start.p0i8(i64 immarg, ptr nocapture)
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.lifetime.end.p0i8(i64 immarg, ptr nocapture)
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declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
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; Function Attrs: nounwind uwtable mustprogress
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define dso_local void @_Z3funv() !dbg !25 {
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entry:
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%call = call i32 @_Z3getv(), !dbg !28
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%call1 = call i32 @_Z3getv(), !dbg !29
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ret void, !dbg !30
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !1000}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "test.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 = !{!"clang version 12.0.0"}
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!7 = distinct !DISubprogram(name: "get", linkageName: "_Z3getv", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !{!12}
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!12 = !DILocalVariable(name: "val", scope: !7, file: !1, line: 2, type: !10)
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!13 = distinct !DIAssignID()
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!14 = !DILocation(line: 0, scope: !7)
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!15 = !DILocation(line: 2, column: 13, scope: !7)
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!16 = !DILocation(line: 2, column: 17, scope: !7)
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!21 = distinct !DIAssignID()
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!22 = !DILocation(line: 2, column: 33, scope: !7)
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!23 = !DILocation(line: 2, column: 38, scope: !7)
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!24 = !DILocation(line: 2, column: 26, scope: !7)
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!25 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !1, file: !1, line: 3, type: !26, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!26 = !DISubroutineType(types: !27)
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!27 = !{null}
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!28 = !DILocation(line: 4, column: 3, scope: !25)
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!29 = !DILocation(line: 5, column: 3, scope: !25)
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!30 = !DILocation(line: 6, column: 1, scope: !25)
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!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
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