1//===--- CIRGenTypeCache.h - Commonly used LLVM types and info -*- C++ --*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This structure provides a set of common types useful during CIR emission.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_CIR_CIRGENTYPECACHE_H
14#define LLVM_CLANG_LIB_CIR_CIRGENTYPECACHE_H
15
16#include "clang/AST/CharUnits.h"
17#include "clang/CIR/Dialect/IR/CIRTypes.h"
18
19namespace clang::CIRGen {
20
21/// This structure provides a set of types that are commonly used
22/// during IR emission. It's initialized once in CodeGenModule's
23/// constructor and then copied around into new CIRGenFunction's.
24struct CIRGenTypeCache {
25 CIRGenTypeCache() = default;
26
27 // ClangIR void type
28 cir::VoidType VoidTy;
29
30 // ClangIR signed integral types of common sizes
31 cir::IntType SInt8Ty;
32 cir::IntType SInt16Ty;
33 cir::IntType SInt32Ty;
34 cir::IntType SInt64Ty;
35 cir::IntType SInt128Ty;
36
37 // ClangIR unsigned integral type of common sizes
38 cir::IntType UInt8Ty;
39 cir::IntType UInt16Ty;
40 cir::IntType UInt32Ty;
41 cir::IntType UInt64Ty;
42 cir::IntType UInt128Ty;
43
44 // ClangIR floating-point types with fixed formats
45 cir::FP16Type FP16Ty;
46 cir::BF16Type BFloat16Ty;
47 cir::SingleType FloatTy;
48 cir::DoubleType DoubleTy;
49 cir::FP80Type FP80Ty;
50 cir::FP128Type FP128Ty;
51
52 mlir::Type PtrDiffTy;
53
54 /// The size and alignment of a pointer into the generic address space.
55 union {
56 unsigned char PointerAlignInBytes;
57 unsigned char PointerSizeInBytes;
58 };
59
60 clang::CharUnits getPointerAlign() const {
61 return clang::CharUnits::fromQuantity(Quantity: PointerAlignInBytes);
62 }
63};
64
65} // namespace clang::CIRGen
66
67#endif // LLVM_CLANG_LIB_CIR_CODEGEN_CIRGENTYPECACHE_H
68

source code of clang/lib/CIR/CodeGen/CIRGenTypeCache.h