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llvm-project/clang/utils/TableGen/TableGenBackends.h
Sander de Smalen 8e7f073eb4
[Clang][AArch64] Change SME attributes for shared/new/preserved state. (#76971) 
This patch replaces the `__arm_new_za`, `__arm_shared_za` and
`__arm_preserves_za` attributes in favour of:
* `__arm_new("za")`
* `__arm_in("za")`
* `__arm_out("za")`
* `__arm_inout("za")`
* `__arm_preserves("za")`

As described in https://github.com/ARM-software/acle/pull/276.

One change is that `__arm_in/out/inout/preserves(S)` are all mutually
exclusive, whereas previously it was fine to write `__arm_shared_za
__arm_preserves_za`. This case is now represented with `__arm_in("za")`.

The current implementation uses the same LLVM attributes under the hood,
since `__arm_in/out/inout` are all variations of "shared ZA", so can use
the existing `aarch64_pstate_za_shared` attribute in LLVM.

#77941 will add support for the new "zt0" state as introduced
with SME2.
2024-01-15 09:41:32 +00:00

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//===- TableGenBackends.h - Declarations for Clang TableGen Backends ------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations for all of the Clang TableGen
// backends. A "TableGen backend" is just a function. See
// "$LLVM_ROOT/utils/TableGen/TableGenBackends.h" for more info.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_UTILS_TABLEGEN_TABLEGENBACKENDS_H
#define LLVM_CLANG_UTILS_TABLEGEN_TABLEGENBACKENDS_H
#include <string>
namespace llvm {
class raw_ostream;
class RecordKeeper;
} // namespace llvm
namespace clang {
void EmitClangDeclContext(llvm::RecordKeeper &RK, llvm::raw_ostream &OS);
/**
@param PriorizeIfSubclassOf These classes should be prioritized in the output.
This is useful to force enum generation/jump tables/lookup tables to be more
compact in both size and surrounding code in hot functions. An example use is
in Decl for classes that inherit from DeclContext, for functions like
castFromDeclContext.
*/
void EmitClangASTNodes(llvm::RecordKeeper &RK, llvm::raw_ostream &OS,
const std::string &N, const std::string &S,
std::string_view PriorizeIfSubclassOf = "");
void EmitClangBasicReader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangBasicWriter(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangTypeNodes(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangTypeReader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangTypeWriter(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrParserStringSwitches(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrSubjectMatchRulesParserStringSwitches(
llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrClass(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrImpl(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrList(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrPrintList(const std::string &FieldName,
llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrSubjectMatchRuleList(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrPCHRead(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrPCHWrite(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangRegularKeywordAttributeInfo(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrHasAttrImpl(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrSpellingListIndex(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrASTVisitor(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrTemplateInstantiate(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrParsedAttrList(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrParsedAttrImpl(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrParsedAttrKinds(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrTextNodeDump(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrNodeTraverse(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangAttrDocTable(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangDiagsDefs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS,
const std::string &Component);
void EmitClangDiagGroups(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangDiagsIndexName(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangSACheckers(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangCommentHTMLTags(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangCommentHTMLTagsProperties(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangCommentHTMLNamedCharacterReferences(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangCommentCommandInfo(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangCommentCommandList(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangOpcodes(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangSyntaxNodeList(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangSyntaxNodeClasses(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitNeon(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitFP16(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitBF16(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitNeonSema(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitVectorTypes(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitNeonTest(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveHeader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveBuiltins(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveBuiltinCG(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveTypeFlags(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveRangeChecks(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSveStreamingAttrs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeHeader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeBuiltins(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeBuiltinCG(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeRangeChecks(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeStreamingAttrs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitSmeBuiltinZAState(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitMveHeader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitMveBuiltinDef(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitMveBuiltinSema(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitMveBuiltinCG(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitMveBuiltinAliases(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitRVVHeader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitRVVBuiltins(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitRVVBuiltinCG(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitRVVBuiltinSema(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitCdeHeader(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitCdeBuiltinDef(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitCdeBuiltinSema(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitCdeBuiltinCG(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitCdeBuiltinAliases(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangAttrDocs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangDiagDocs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangOptDocs(llvm::RecordKeeper &Records, llvm::raw_ostream &OS);
void EmitClangOpenCLBuiltins(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangOpenCLBuiltinHeader(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangOpenCLBuiltinTests(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitClangDataCollectors(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
void EmitTestPragmaAttributeSupportedAttributes(llvm::RecordKeeper &Records,
llvm::raw_ostream &OS);
} // end namespace clang
#endif
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