74 lines
3.6 KiB
LLVM
74 lines
3.6 KiB
LLVM
; RUN: llc %s -stop-after=finalize-isel -o - \
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; RUN: | FileCheck %s
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; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - \
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; RUN: | FileCheck %s
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;; Handwritten test.
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;; Here we have dbg.assign intrinsics with fragments (in the value-expression)
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;; and address-expressions that involve arithmetic. The generated DBG_VALUE
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;; intructions needs a DIExpression that:
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;; a) Uses the fragment from the value-expression,
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;; b) Uses the offset expression of the address-expression,
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;; c) Has a DW_OP_deref appended.
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; CHECK: DBG_VALUE %stack.0.a, $noreg, {{.+}}, !DIExpression(DW_OP_plus_uconst, 8, DW_OP_deref, DW_OP_LLVM_fragment, 64, 32), debug-location
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local void @fun() !dbg !7 {
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entry:
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%a = alloca <4 x i32>, !DIAssignID !24
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call void @llvm.dbg.assign(metadata i32 undef, metadata !16, metadata !DIExpression(), metadata !24, metadata ptr %a, metadata !DIExpression()), !dbg !34
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;; unlink and undef a dbg.assign to avoid using sidetable for var loc.
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call void @llvm.dbg.assign(metadata i32 undef, metadata !16, metadata !DIExpression(), metadata !26, metadata ptr undef, metadata !DIExpression()), !dbg !34
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%idx2 = getelementptr inbounds i32, i32* %a, i32 2
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store i32 100, i32* %idx2, !DIAssignID !25
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call void @llvm.dbg.assign(metadata i32 100, metadata !16, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 32), metadata !25, metadata i32* %a, metadata !DIExpression(DW_OP_plus_uconst, 8)), !dbg !34
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ret void
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}
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declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)
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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: "fun", linkageName: "fun", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null, !10, !10, !10, !10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !{!16}
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!16 = !DILocalVariable(name: "quad", scope: !7, file: !1, line: 4, type: !17)
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!17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 128, elements: !18)
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!18 = !{!19}
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!19 = !DISubrange(count: 4)
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!23 = !DILocation(line: 0, scope: !7)
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!24 = distinct !DIAssignID()
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!25 = distinct !DIAssignID()
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!26 = distinct !DIAssignID()
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!34 = !DILocation(line: 0, column: 0, scope: !7)
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!44 = !{!45, !45, i64 0}
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!45 = !{!"float", !46, i64 0}
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!46 = !{!"omnipotent char", !47, i64 0}
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!47 = !{!"Simple C++ TBAA"}
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!48 = !DILocation(line: 11, column: 3, scope: !7)
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!49 = !DILocation(line: 12, column: 1, scope: !7)
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!50 = !DISubprogram(name: "get", linkageName: "_Z3getv", scope: !1, file: !1, line: 1, type: !51, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!51 = !DISubroutineType(types: !52)
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!52 = !{!10}
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!53 = !DISubprogram(name: "ext", linkageName: "_Z3extPf", scope: !1, file: !1, line: 2, type: !54, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
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!54 = !DISubroutineType(types: !55)
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!55 = !{!10, !56}
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!56 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
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!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
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