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https://github.com/RPCS3/llvm-mirror.git
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Add debug support for set types
This commit adds debugging support for set types defined in languages such as Pascal and Modula-2. Patch by Peter McKinna! Differential Revision: https://reviews.llvm.org/D76115
This commit is contained in:
Adrian Prantl
parent
ff0a7ebbd3
commit
b67f42dee1
@ -162,7 +162,7 @@ HANDLE_DW_TAG(0x001c, inheritance, 2, DWARF, DW_KIND_NONE)
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HANDLE_DW_TAG(0x001d, inlined_subroutine, 2, DWARF, DW_KIND_NONE)
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HANDLE_DW_TAG(0x001e, module, 2, DWARF, DW_KIND_NONE)
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HANDLE_DW_TAG(0x001f, ptr_to_member_type, 2, DWARF, DW_KIND_TYPE)
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HANDLE_DW_TAG(0x0020, set_type, 2, DWARF, DW_KIND_NONE)
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HANDLE_DW_TAG(0x0020, set_type, 2, DWARF, DW_KIND_TYPE)
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HANDLE_DW_TAG(0x0021, subrange_type, 2, DWARF, DW_KIND_TYPE)
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HANDLE_DW_TAG(0x0022, with_stmt, 2, DWARF, DW_KIND_NONE)
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HANDLE_DW_TAG(0x0023, access_declaration, 2, DWARF, DW_KIND_NONE)
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@ -538,6 +538,18 @@ namespace llvm {
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uint64_t SizeInBits, uint32_t AlignInBits, DINodeArray Elements,
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DIType *UnderlyingType, StringRef UniqueIdentifier = "", bool IsScoped = false);
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/// Create debugging information entry for a set.
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/// \param Scope Scope in which this set is defined.
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/// \param Name Set name.
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/// \param File File where this set is defined.
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/// \param LineNumber Line number.
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/// \param SizeInBits Set size.
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/// \param AlignInBits Set alignment.
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/// \param Ty Base type of the set.
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DIDerivedType *createSetType(DIScope *Scope, StringRef Name, DIFile *File,
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unsigned LineNo, uint64_t SizeInBits,
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uint32_t AlignInBits, DIType *Ty);
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/// Create subroutine type.
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/// \param ParameterTypes An array of subroutine parameter types. This
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/// includes return type at 0th index.
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@ -525,6 +525,18 @@ DICompositeType *DIBuilder::createEnumerationType(
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return CTy;
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}
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DIDerivedType *DIBuilder::createSetType(DIScope *Scope, StringRef Name,
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DIFile *File, unsigned LineNo,
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uint64_t SizeInBits,
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uint32_t AlignInBits, DIType *Ty) {
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auto *R =
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DIDerivedType::get(VMContext, dwarf::DW_TAG_set_type, Name, File, LineNo,
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getNonCompileUnitScope(Scope), Ty, SizeInBits,
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AlignInBits, 0, None, DINode::FlagZero);
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trackIfUnresolved(R);
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return R;
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}
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DICompositeType *DIBuilder::createArrayType(
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uint64_t Size, uint32_t AlignInBits, DIType *Ty, DINodeArray Subscripts,
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PointerUnion<DIExpression *, DIVariable *> DL,
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@ -1000,13 +1000,29 @@ void Verifier::visitDIDerivedType(const DIDerivedType &N) {
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N.getTag() == dwarf::DW_TAG_atomic_type ||
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N.getTag() == dwarf::DW_TAG_member ||
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N.getTag() == dwarf::DW_TAG_inheritance ||
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N.getTag() == dwarf::DW_TAG_friend,
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N.getTag() == dwarf::DW_TAG_friend ||
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N.getTag() == dwarf::DW_TAG_set_type,
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"invalid tag", &N);
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if (N.getTag() == dwarf::DW_TAG_ptr_to_member_type) {
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AssertDI(isType(N.getRawExtraData()), "invalid pointer to member type", &N,
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N.getRawExtraData());
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}
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if (N.getTag() == dwarf::DW_TAG_set_type) {
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if (auto *T = N.getRawBaseType()) {
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auto *Enum = dyn_cast_or_null<DICompositeType>(T);
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auto *Basic = dyn_cast_or_null<DIBasicType>(T);
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AssertDI(
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(Enum && Enum->getTag() == dwarf::DW_TAG_enumeration_type) ||
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(Basic && (Basic->getEncoding() == dwarf::DW_ATE_unsigned ||
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Basic->getEncoding() == dwarf::DW_ATE_signed ||
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Basic->getEncoding() == dwarf::DW_ATE_unsigned_char ||
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Basic->getEncoding() == dwarf::DW_ATE_signed_char ||
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Basic->getEncoding() == dwarf::DW_ATE_boolean)),
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"invalid set base type", &N, T);
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}
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}
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AssertDI(isScope(N.getRawScope()), "invalid scope", &N, N.getRawScope());
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AssertDI(isType(N.getRawBaseType()), "invalid base type", &N,
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N.getRawBaseType());
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116
test/DebugInfo/Generic/set.ll
Normal file
116
test/DebugInfo/Generic/set.ll
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@ -0,0 +1,116 @@
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; Test set representation in DWARF debug info:
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; RUN: llc -debugger-tune=gdb -dwarf-version=4 -filetype=obj -o %t.o < %s
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; RUN: llvm-dwarfdump -debug-info %t.o | FileCheck %s --check-prefix=CHECK
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; ModuleID = 'Main.mb'
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source_filename = "../src/Main.m3"
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target datalayout = "e-m:e-p:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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%M_Const_struct = type { [7 x i8], [1 x i8], [4 x i8], [4 x i8], i8* (i64)*, i8*, void ()*, i8*, [8 x i8], [14 x i8], [2 x i8] }
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%M_Main_struct = type { i8*, [32 x i8], i8*, [24 x i8], i8*, [8 x i8], i8* (i64)*, i64, [8 x i8], i8* ()*, i8*, [8 x i8], i8* ()*, [8 x i8] }
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@M_Const = internal constant %M_Const_struct { [7 x i8] c"Main_M3", [1 x i8] zeroinitializer, [4 x i8] c"Test", [4 x i8] zeroinitializer, i8* (i64)* @Main_M3, i8* getelementptr inbounds (%M_Const_struct, %M_Const_struct* @M_Const, i32 0, i32 0, i32 0), void ()* @Main__Test, i8* getelementptr inbounds (i8, i8* getelementptr inbounds (%M_Const_struct, %M_Const_struct* @M_Const, i32 0, i32 0, i32 0), i64 8), [8 x i8] zeroinitializer, [14 x i8] c"../src/Main.m3", [2 x i8] zeroinitializer }, align 8
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@M_Main = internal global %M_Main_struct { i8* getelementptr inbounds (i8, i8* getelementptr inbounds (%M_Const_struct, %M_Const_struct* @M_Const, i32 0, i32 0, i32 0), i64 56), [32 x i8] zeroinitializer, i8* getelementptr inbounds (i8, i8* getelementptr inbounds (%M_Const_struct, %M_Const_struct* @M_Const, i32 0, i32 0, i32 0), i64 16), [24 x i8] zeroinitializer, i8* getelementptr inbounds (i8, i8* bitcast (%M_Main_struct* @M_Main to i8*), i64 104), [8 x i8] zeroinitializer, i8* (i64)* @Main_M3, i64 3, [8 x i8] zeroinitializer, i8* ()* @Main_I3, i8* getelementptr inbounds (i8, i8* bitcast (%M_Main_struct* @M_Main to i8*), i64 128), [8 x i8] zeroinitializer, i8* ()* @RTHooks_I3, [8 x i8] zeroinitializer }, align 8
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@m3_jmpbuf_size = external global i64, align 8
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declare i8* @Main_I3()
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declare i8* @RTHooks_I3()
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; Function Attrs: uwtable
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define void @Main__Test() #0 !dbg !5 {
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entry:
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%as = alloca i64, align 8
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%bs = alloca i64, align 8
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br label %second, !dbg !21
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second: ; preds = %entry
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call void @llvm.dbg.declare(metadata i64* %as, metadata !22, metadata !DIExpression()), !dbg !25
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call void @llvm.dbg.declare(metadata i64* %bs, metadata !26, metadata !DIExpression()), !dbg !25
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store i64 36028797018972298, i64* %as, align 8, !dbg !28
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store i64 197, i64* %bs, align 8, !dbg !29
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ret void, !dbg !21
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}
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare i8* @alloca()
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; Function Attrs: uwtable
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define i8* @Main_M3(i64 %mode) #0 !dbg !30 {
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entry:
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%mode1 = alloca i64, align 8
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store i64 %mode, i64* %mode1, align 8
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br label %second, !dbg !36
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second: ; preds = %entry
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call void @llvm.dbg.declare(metadata i64* %mode1, metadata !37, metadata !DIExpression()), !dbg !38
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%v.3 = load i64, i64* %mode1, align 8, !dbg !38
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%icmp = icmp eq i64 %v.3, 0, !dbg !38
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br i1 %icmp, label %if_1, label %else_1, !dbg !38
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else_1: ; preds = %second
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call void @Main__Test(), !dbg !36
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br label %if_1, !dbg !36
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if_1: ; preds = %else_1, %second
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ret i8* bitcast (%M_Main_struct* @M_Main to i8*), !dbg !36
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}
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attributes #0 = { uwtable "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nofree nosync nounwind readnone speculatable willreturn }
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!llvm.ident = !{!0}
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!llvm.dbg.cu = !{!1}
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!llvm.module.flags = !{!18, !19, !20}
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!0 = !{!"versions- cm3: d5.10.0 llvm: 9.0"}
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!1 = distinct !DICompileUnit(language: DW_LANG_Modula3, file: !2, producer: "cm3", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3)
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!2 = !DIFile(filename: "Main.m3", directory: "/home/cm3/settest/src")
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum", scope: !5, file: !2, line: 11, size: 8, align: 8, elements: !9)
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!5 = distinct !DISubprogram(name: "Test", linkageName: "Main__Test", scope: !2, file: !2, line: 11, type: !6, scopeLine: 11, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !8)
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !{}
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!9 = !{!10, !11, !12, !13, !14, !15, !16, !17}
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!10 = !DIEnumerator(name: "alpha", value: 0)
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!11 = !DIEnumerator(name: "beta", value: 1)
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!12 = !DIEnumerator(name: "gamma", value: 2)
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!13 = !DIEnumerator(name: "delta", value: 3)
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!14 = !DIEnumerator(name: "epsilon", value: 4)
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!15 = !DIEnumerator(name: "theta", value: 5)
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!16 = !DIEnumerator(name: "psi", value: 6)
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!17 = !DIEnumerator(name: "zeta", value: 7)
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!18 = !{i64 2, !"Dwarf Version", i64 4}
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!19 = !{i64 2, !"Debug Info Version", i64 3}
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!20 = !{i64 2, !"wchar_size", i64 2}
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!21 = !DILocation(line: 20, scope: !5)
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!22 = !DILocalVariable(name: "as", scope: !5, file: !2, line: 11, type: !23)
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!23 = !DIDerivedType(tag: DW_TAG_set_type, name: "SS", scope: !2, file: !2, line: 11, baseType: !24, size: 64, align: 64)
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!24 = !DIBasicType(name: "SR", size: 8, encoding: DW_ATE_signed)
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; CHECK: DW_TAG_set_type
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; CHECK: DW_AT_type{{.*}}"SR"
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; CHECK: DW_AT_name ("SS")
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; CHECK: DW_AT_byte_size (0x08)
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!25 = !DILocation(line: 11, scope: !5)
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!26 = !DILocalVariable(name: "bs", scope: !5, file: !2, line: 11, type: !27)
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!27 = !DIDerivedType(tag: DW_TAG_set_type, name: "ST", scope: !2, file: !2, line: 11, baseType: !4, size: 64, align: 64)
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; CHECK: DW_TAG_set_type
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; CHECK: DW_AT_type{{.*}}"Enum"
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; CHECK: DW_AT_name ("ST")
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; CHECK: DW_AT_byte_size (0x08)
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!28 = !DILocation(line: 17, scope: !5)
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!29 = !DILocation(line: 18, scope: !5)
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!30 = distinct !DISubprogram(name: "Main_M3", linkageName: "Main_M3", scope: !2, file: !2, line: 22, type: !31, scopeLine: 22, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !8)
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!31 = !DISubroutineType(types: !32)
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!32 = !{!33, !35}
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!33 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "ADDR", baseType: !34, size: 64, align: 64)
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!34 = !DICompositeType(tag: DW_TAG_class_type, name: "ADDR__HeapObject", scope: !5, file: !2, line: 22, size: 64, align: 64, elements: !7, identifier: "AJWxb1")
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!35 = !DIBasicType(name: "INTEGER", size: 64, encoding: DW_ATE_signed)
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!36 = !DILocation(line: 23, scope: !30)
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!37 = !DILocalVariable(name: "mode", arg: 1, scope: !30, file: !2, line: 22, type: !35)
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!38 = !DILocation(line: 22, scope: !30)
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63
test/Verifier/set1.ll
Normal file
63
test/Verifier/set1.ll
Normal file
@ -0,0 +1,63 @@
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; RUN: llvm-as -disable-output <%s 2>&1 | FileCheck %s
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define void @Main__Test() #0 !dbg !17 {
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entry:
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%as = alloca i64, align 8
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%bs = alloca i64, align 8
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br label %second, !dbg !21
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second: ; preds = %entry
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call void @llvm.dbg.declare(metadata i64* %as, metadata !22, metadata !DIExpression()), !dbg !25
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call void @llvm.dbg.declare(metadata i64* %bs, metadata !26, metadata !DIExpression()), !dbg !25
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store i64 36028797018972298, i64* %as, align 8, !dbg !28
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store i64 85, i64* %bs, align 8, !dbg !29
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ret void, !dbg !21
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}
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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!llvm.ident = !{!0}
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!llvm.dbg.cu = !{!1}
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!llvm.module.flags = !{!14, !15, !16}
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!0 = !{!"versions- cm3: d5.10.0 llvm: 12.0"}
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!1 = distinct !DICompileUnit(language: DW_LANG_Modula3, file: !2, producer: "cm3", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !3)
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!2 = !DIFile(filename: "Main.m3", directory: "/home/peter/cm3/settest/src")
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "Enum", scope: !2, file: !2, line: 11, size: 8, align: 8, elements: !5)
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!5 = !{!6, !7, !8, !9, !10, !11, !12, !13}
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!6 = !DIEnumerator(name: "alpha", value: 0)
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!7 = !DIEnumerator(name: "beta", value: 1)
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!8 = !DIEnumerator(name: "gamma", value: 2)
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!9 = !DIEnumerator(name: "delta", value: 3)
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!10 = !DIEnumerator(name: "epsilon", value: 4)
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!11 = !DIEnumerator(name: "theta", value: 5)
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!12 = !DIEnumerator(name: "psi", value: 6)
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!13 = !DIEnumerator(name: "zeta", value: 7)
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!14 = !{i64 2, !"Dwarf Version", i64 4}
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!15 = !{i64 2, !"Debug Info Version", i64 3}
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!16 = !{i64 2, !"wchar_size", i64 2}
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!17 = distinct !DISubprogram(name: "Test", linkageName: "Main__Test", scope: !2, file: !2, line: 11, type: !18, scopeLine: 11, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !20)
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!18 = !DISubroutineType(types: !19)
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!19 = !{null}
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!20 = !{}
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!21 = !DILocation(line: 20, scope: !17)
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!22 = !DILocalVariable(name: "as", scope: !17, file: !2, line: 11, type: !23)
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; CHECK: invalid set base type
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!23 = !DIDerivedType(tag: DW_TAG_set_type, name: "SS", scope: !2, file: !2, line: 11, baseType: !24, size: 64, align: 64)
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!24 = !DIBasicType(name: "SR", size: 8, encoding: DW_ATE_signed)
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!25 = !DILocation(line: 11, scope: !17)
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!26 = !DILocalVariable(name: "bs", scope: !17, file: !2, line: 11, type: !27)
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!27 = !DIDerivedType(tag: DW_TAG_set_type, name: "ST", scope: !2, file: !2, line: 11, baseType: !23, size: 64, align: 64)
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!28 = !DILocation(line: 17, scope: !17)
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!29 = !DILocation(line: 18, scope: !17)
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!30 = distinct !DISubprogram(name: "Main_M3", linkageName: "Main_M3", scope: !2, file: !2, line: 22, type: !31, scopeLine: 22, spFlags: DISPFlagDefinition, unit: !1, retainedNodes: !20)
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!31 = !DISubroutineType(types: !32)
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!32 = !{!33, !35}
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!33 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "ADDR", baseType: !34, size: 64, align: 64)
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!34 = !DICompositeType(tag: DW_TAG_class_type, name: "ADDR__HeapObject", scope: !2, file: !2, line: 22, size: 64, align: 64, elements: !19, identifier: "AJWxb1")
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!35 = !DIBasicType(name: "INTEGER", size: 64, encoding: DW_ATE_signed)
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!36 = !DILocation(line: 23, scope: !30)
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!37 = !DILocalVariable(name: "mode", arg: 1, scope: !30, file: !2, line: 22, type: !35)
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!38 = !DILocation(line: 22, scope: !30)
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@ -230,4 +230,23 @@ TEST(DIBuilder, CreateFortranArrayTypeWithAttributes) {
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DIVariable::deleteTemporary(DataLocation);
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}
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DISubprogram *getSubprogram() {
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LLVMContext Context;
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return DISubprogram::getDistinct(Context, nullptr, "", "", nullptr, 0,
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nullptr, 0, nullptr, 0, 0, DINode::FlagZero,
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DISubprogram::SPFlagZero, nullptr);
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}
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TEST(DIBuilder, CreateSetType) {
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LLVMContext Ctx;
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std::unique_ptr<Module> M(new Module("MyModule", Ctx));
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DIBuilder DIB(*M);
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DIScope *Scope = getSubprogram();
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DIType *Type = DIB.createBasicType("Int", 64, dwarf::DW_ATE_signed);
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DIFile *F = DIB.createFile("main.c", "/");
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DIDerivedType *SetType = DIB.createSetType(Scope, "set1", F, 1, 64, 64, Type);
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EXPECT_TRUE(isa_and_nonnull<DIDerivedType>(SetType));
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}
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} // end namespace
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