================ @@ -0,0 +1,82 @@ +//===----------------------------------------------------------------------===// +// +// 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 contains code to emit Decl nodes as CIR code. +// +//===----------------------------------------------------------------------===// + +#include "CIRGenFunction.h" +#include "clang/AST/Expr.h" +#include "clang/CIR/MissingFeatures.h" + +using namespace clang; +using namespace clang::CIRGen; + +/// Emit code and set up symbol table for a variable declaration with auto, +/// register, or no storage class specifier. These turn into simple stack +/// objects, globals depending on target. +void CIRGenFunction::emitAutoVarDecl(const VarDecl &d) { + QualType ty = d.getType(); + assert(ty.getAddressSpace() == LangAS::Default); + + auto loc = getLoc(d.getSourceRange()); + + if (d.isEscapingByref()) + cgm.errorNYI(d.getSourceRange(), + "emitAutoVarDecl: decl escaping by reference"); + + CharUnits alignment = getContext().getDeclAlign(&d); + + // If the type is variably-modified, emit all the VLA sizes for it. + if (ty->isVariablyModifiedType()) + cgm.errorNYI(d.getSourceRange(), "emitAutoVarDecl: variably modified type"); + + Address address = Address::invalid(); + if (!ty->isConstantSizeType()) + cgm.errorNYI(d.getSourceRange(), "emitAutoVarDecl: non-constant size type"); + + // A normal fixed sized variable becomes an alloca in the entry block, + mlir::Type allocaTy = convertTypeForMem(ty); + // Create the temp alloca and declare variable using it. + mlir::Value addrVal; + address = createTempAlloca(allocaTy, alignment, loc, d.getName(), + /*ArraySize=*/nullptr); + setAddrOfLocalVar(&d, address); + // TODO: emit var init and cleanup +} + +void CIRGenFunction::emitVarDecl(const VarDecl &d) { + if (d.hasExternalStorage()) { + // Don't emit it now, allow it to be emitted lazily on its first use. + return; + } + + if (d.getStorageDuration() != SD_Automatic) + cgm.errorNYI(d.getSourceRange(), "emitVarDecl automatic storage duration"); + if (d.getType().getAddressSpace() == LangAS::opencl_local) + cgm.errorNYI(d.getSourceRange(), "emitVarDecl openCL address space"); ---------------- andykaylor wrote:
To clarify, the incubator code does something here with the opencl_local address space, but it has no other restrictions on address spaces in this function. https://github.com/llvm/llvm-project/pull/128792 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
