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Code Issues 2 Packages Projects Releases 7 Wiki Activity

IR: Function summary representation for type tests.

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Each function summary has an attached list of type identifier GUIDs. The
idea is that during the regular LTO phase we would match these GUIDs to type
identifiers defined by the regular LTO module and store the resolutions in
a top-level "type identifier summary" (which will be implemented separately).

Differential Revision: https://reviews.llvm.org/D27967

llvm-svn: 290280
This commit is contained in:
Peter Collingbourne
2016-12-21 23:03:45 +00:00
parent d114d43c64
commit 5ce602306f
8 changed files with 102 additions and 10 deletions
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lib/Bitcode/Writer/BitcodeWriter.cpp
+6
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@@ -3286,6 +3286,9 @@ void ModuleBitcodeWriter::writePerModuleFunctionSummaryRecord(
NameVals.push_back(ValueID);
FunctionSummary *FS = cast<FunctionSummary>(Summary);
if (!FS->type_tests().empty())
Stream.EmitRecord(bitc::FS_TYPE_TESTS, FS->type_tests());
NameVals.push_back(getEncodedGVSummaryFlags(FS->flags()));
NameVals.push_back(FS->instCount());
NameVals.push_back(FS->refs().size());
@@ -3544,6 +3547,9 @@ void IndexBitcodeWriter::writeCombinedGlobalValueSummary() {
}
auto *FS = cast<FunctionSummary>(S);
if (!FS->type_tests().empty())
Stream.EmitRecord(bitc::FS_TYPE_TESTS, FS->type_tests());
NameVals.push_back(ValueId);
NameVals.push_back(Index.getModuleId(FS->modulePath()));
NameVals.push_back(getEncodedGVSummaryFlags(FS->flags()));