forked from OSchip/llvm-project
56 lines
3.3 KiB
LLVM
56 lines
3.3 KiB
LLVM
; RUN: llc -march=x86 -O0 < %s | FileCheck %s
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; Currently, dbg.declare generates a DEBUG_VALUE comment. Eventually it will
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; generate DWARF and this test will need to be modified or removed.
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%struct.Pt = type { double, double }
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%struct.Rect = type { %struct.Pt, %struct.Pt }
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define double @foo(%struct.Rect* byval %my_r0) nounwind ssp {
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entry:
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;CHECK: DEBUG_VALUE
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%retval = alloca double ; <double*> [#uses=2]
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%0 = alloca double ; <double*> [#uses=2]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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call void @llvm.dbg.declare(metadata %struct.Rect* %my_r0, metadata !0, metadata !MDExpression()), !dbg !15
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%1 = getelementptr inbounds %struct.Rect, %struct.Rect* %my_r0, i32 0, i32 0, !dbg !16 ; <%struct.Pt*> [#uses=1]
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%2 = getelementptr inbounds %struct.Pt, %struct.Pt* %1, i32 0, i32 0, !dbg !16 ; <double*> [#uses=1]
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%3 = load double, double* %2, align 8, !dbg !16 ; <double> [#uses=1]
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store double %3, double* %0, align 8, !dbg !16
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%4 = load double, double* %0, align 8, !dbg !16 ; <double> [#uses=1]
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store double %4, double* %retval, align 8, !dbg !16
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br label %return, !dbg !16
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return: ; preds = %entry
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%retval1 = load double, double* %retval, !dbg !16 ; <double> [#uses=1]
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ret double %retval1, !dbg !16
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!3}
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!llvm.module.flags = !{!21}
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!0 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "my_r0", line: 11, arg: 0, scope: !1, file: !2, type: !7)
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!1 = !MDSubprogram(name: "foo", linkageName: "foo", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 11, file: !19, scope: !2, type: !4, function: double (%struct.Rect*)* @foo)
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!2 = !MDFile(filename: "b2.c", directory: "/tmp/")
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!3 = !MDCompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: 0, file: !19, enums: !20, retainedTypes: !20, subprograms: !18)
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!4 = !MDSubroutineType(types: !5)
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!5 = !{!6, !7}
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!6 = !MDBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
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!7 = !MDCompositeType(tag: DW_TAG_structure_type, name: "Rect", line: 6, size: 256, align: 64, file: !19, scope: !2, elements: !8)
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!8 = !{!9, !14}
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!9 = !MDDerivedType(tag: DW_TAG_member, name: "P1", line: 7, size: 128, align: 64, file: !19, scope: !7, baseType: !10)
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!10 = !MDCompositeType(tag: DW_TAG_structure_type, name: "Pt", line: 1, size: 128, align: 64, file: !19, scope: !2, elements: !11)
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!11 = !{!12, !13}
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!12 = !MDDerivedType(tag: DW_TAG_member, name: "x", line: 2, size: 64, align: 64, file: !19, scope: !10, baseType: !6)
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!13 = !MDDerivedType(tag: DW_TAG_member, name: "y", line: 3, size: 64, align: 64, offset: 64, file: !19, scope: !10, baseType: !6)
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!14 = !MDDerivedType(tag: DW_TAG_member, name: "P2", line: 8, size: 128, align: 64, offset: 128, file: !19, scope: !7, baseType: !10)
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!15 = !MDLocation(line: 11, scope: !1)
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!16 = !MDLocation(line: 12, scope: !17)
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!17 = distinct !MDLexicalBlock(line: 11, column: 0, file: !19, scope: !1)
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!18 = !{!1}
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!19 = !MDFile(filename: "b2.c", directory: "/tmp/")
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!20 = !{i32 0}
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!21 = !{i32 1, !"Debug Info Version", i32 3}
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