6ff87fed44
This prevents failing the test on targets other than X86 that are set as default when X86 one is also supported.
71 lines
3.5 KiB
LLVM
71 lines
3.5 KiB
LLVM
; RUN: llc %s -stop-after=finalize-isel -o - \
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; RUN: -experimental-assignment-tracking \
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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}
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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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