Author: Alexis Engelke Date: 2026-03-03T08:52:30+01:00 New Revision: 7fb5a02dcda1018ccc462b114593eca400c3b528
URL: https://github.com/llvm/llvm-project/commit/7fb5a02dcda1018ccc462b114593eca400c3b528 DIFF: https://github.com/llvm/llvm-project/commit/7fb5a02dcda1018ccc462b114593eca400c3b528.diff LOG: [CMake][AST] Add PCH (#183358) Add frequently used expensive headers from clang/AST to a PCH. Results in a 13% stage2-clang build time improvement. Added: clang/include/clang/AST/pch.h Modified: clang/lib/AST/CMakeLists.txt Removed: ################################################################################ diff --git a/clang/include/clang/AST/pch.h b/clang/include/clang/AST/pch.h new file mode 100644 index 0000000000000..b048f866bc555 --- /dev/null +++ b/clang/include/clang/AST/pch.h @@ -0,0 +1,32 @@ +//===----------------------------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// +/// +/// Precompiled header for clangAST. +/// +//===----------------------------------------------------------------------===// + +#include "clang/AST/ASTContext.h" +#include "clang/AST/Attr.h" +#include "clang/AST/CanonicalType.h" +#include "clang/AST/Decl.h" +#include "clang/AST/DeclCXX.h" +#include "clang/AST/DeclObjC.h" +#include "clang/AST/DeclOpenMP.h" +#include "clang/AST/DeclTemplate.h" +#include "clang/AST/DynamicRecursiveASTVisitor.h" +#include "clang/AST/Expr.h" +#include "clang/AST/ExprCXX.h" +#include "clang/AST/ExprObjC.h" +#include "clang/AST/GlobalDecl.h" +#include "clang/AST/OpenMPClause.h" +#include "clang/AST/RecursiveASTVisitor.h" +#include "clang/AST/Stmt.h" +#include "clang/AST/StmtOpenMP.h" +#include "clang/AST/StmtVisitor.h" +#include "clang/AST/Type.h" +#include "llvm/Support/pch.h" diff --git a/clang/lib/AST/CMakeLists.txt b/clang/lib/AST/CMakeLists.txt index f9a5f4f0e7ecd..0e0a0c94d2ac5 100644 --- a/clang/lib/AST/CMakeLists.txt +++ b/clang/lib/AST/CMakeLists.txt @@ -136,6 +136,9 @@ add_clang_library(clangAST VTableBuilder.cpp VTTBuilder.cpp + PRECOMPILE_HEADERS + [["clang/AST/pch.h"]] + LINK_LIBS clangBasic clangLex _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
