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AsmWriter/Bitcode: MDSubroutineType 

llvm-svn: 229011
This commit is contained in:
Duncan P. N. Exon Smith 2015-02-13 01:22:59 +00:00
parent aece2dc3f5
commit 54e2bc6c9b
7 changed files with 55 additions and 12 deletions
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3
llvm/include/llvm/Bitcode/LLVMBitCodes.h
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@ -153,7 +153,8 @@ namespace bitc {
METADATA_BASIC_TYPE = 15, // [distinct, tag, name, size, align, enc]
METADATA_FILE = 16, // [distinct, filename, directory]
METADATA_DERIVED_TYPE = 17, // [distinct, ...]
METADATA_COMPOSITE_TYPE= 18 // [distinct, ...]
METADATA_COMPOSITE_TYPE= 18, // [distinct, ...]
METADATA_SUBROUTINE_TYPE= 19 // [distinct, flags, types]
};
// The constants block (CONSTANTS_BLOCK_ID) describes emission for each

9
llvm/lib/AsmParser/LLParser.cpp
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@ -3329,7 +3329,14 @@ bool LLParser::ParseMDCompositeType(MDNode *&Result, bool IsDistinct) {
}
bool LLParser::ParseMDSubroutineType(MDNode *&Result, bool IsDistinct) {
return TokError("unimplemented parser");
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
OPTIONAL(flags, MDUnsignedField, (0, UINT32_MAX)); \
REQUIRED(types, MDField, );
PARSE_MD_FIELDS();
#undef VISIT_MD_FIELDS
Result = GET_OR_DISTINCT(MDSubroutineType, (Context, flags.Val, types.Val));
return false;
}
/// ParseMDFileType:

10
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@ -1417,6 +1417,16 @@ std::error_code BitcodeReader::ParseMetadata() {
NextMDValueNo++);
break;
}
case bitc::METADATA_SUBROUTINE_TYPE: {
if (Record.size() != 3)
return Error("Invalid record");
MDValueList.AssignValue(
GET_OR_DISTINCT(MDSubroutineType, Record[0],
(Context, Record[1], getMDOrNull(Record[2]))),
NextMDValueNo++);
break;
}
case bitc::METADATA_FILE: {
if (Record.size() != 3)
return Error("Invalid record");

15
llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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@ -901,10 +901,17 @@ static void WriteMDCompositeType(const MDCompositeType *N,
Record.clear();
}
static void WriteMDSubroutineType(const MDSubroutineType *,
const ValueEnumerator &, BitstreamWriter &,
SmallVectorImpl<uint64_t> &, unsigned) {
llvm_unreachable("write not implemented");
static void WriteMDSubroutineType(const MDSubroutineType *N,
const ValueEnumerator &VE,
BitstreamWriter &Stream,
SmallVectorImpl<uint64_t> &Record,
unsigned Abbrev) {
Record.push_back(N->isDistinct());
Record.push_back(N->getFlags());
Record.push_back(VE.getMetadataOrNullID(N->getTypeArray()));
Stream.EmitRecord(bitc::METADATA_SUBROUTINE_TYPE, Record, Abbrev);
Record.clear();
}
static void WriteMDFile(const MDFile *N, const ValueEnumerator &VE,

14
llvm/lib/IR/AsmWriter.cpp
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@ -1484,10 +1484,16 @@ static void writeMDCompositeType(raw_ostream &Out, const MDCompositeType *N,
Out << ")";
}
static void writeMDSubroutineType(raw_ostream &, const MDSubroutineType *,
TypePrinting *, SlotTracker *,
const Module *) {
llvm_unreachable("write not implemented");
static void writeMDSubroutineType(raw_ostream &Out, const MDSubroutineType *N,
TypePrinting *TypePrinter,
SlotTracker *Machine, const Module *Context) {
Out << "!MDSubroutineType(";
FieldSeparator FS;
if (N->getFlags())
Out << FS << "flags: " << N->getFlags();
Out << FS << "types: ";
writeMetadataAsOperand(Out, N->getTypeArray(), TypePrinter, Machine, Context);
Out << ")";
}
static void writeMDFile(raw_ostream &Out, const MDFile *N, TypePrinting *,

12
llvm/test/Assembler/debug-info.ll
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@ -1,8 +1,8 @@
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
; CHECK: !named = !{!0, !0, !1, !2, !3, !4, !5, !6, !7, !8, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24}
!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26}
; CHECK: !named = !{!0, !0, !1, !2, !3, !4, !5, !6, !7, !8, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27, !27}
!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27, !28, !29, !30}
; CHECK: !0 = !MDSubrange(count: 3)
; CHECK-NEXT: !1 = !MDSubrange(count: 3, lowerBound: 4)
@ -62,3 +62,11 @@
!24 = !MDDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !7, size: 32, align: 32, extraData: !17)
!25 = !MDCompositeType(tag: DW_TAG_structure_type)
!26 = !MDCompositeType(tag: DW_TAG_structure_type, runtimeLang: 6)
; !25 = !{!7, !7}
; !26 = !MDSubroutineType(flags: 7, types: !25)
; !27 = !MDSubroutineType(types: !25)
!27 = !{!7, !7}
!28 = !MDSubroutineType(flags: 7, types: !27)
!29 = !MDSubroutineType(flags: 0, types: !27)
!30 = !MDSubroutineType(types: !27)

4
llvm/test/Assembler/invalid-mdsubroutinetype-missing-types.ll Normal file
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@ -0,0 +1,4 @@
; RUN: not llvm-as < %s -disable-output 2>&1 | FileCheck %s
; CHECK: [[@LINE+1]]:33: error: missing required field 'types'
!29 = !MDSubroutineType(flags: 7)