xref: /freebsd/contrib/llvm-project/llvm/lib/Support/DynamicAPInt.cpp (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1*0fca6ea1SDimitry Andric //===- DynamicAPInt.cpp - DynamicAPInt Implementation -----------*- C++ -*-===//
2*0fca6ea1SDimitry Andric //
3*0fca6ea1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0fca6ea1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0fca6ea1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0fca6ea1SDimitry Andric //
7*0fca6ea1SDimitry Andric //===----------------------------------------------------------------------===//
8*0fca6ea1SDimitry Andric #include "llvm/ADT/DynamicAPInt.h"
9*0fca6ea1SDimitry Andric #include "llvm/ADT/Hashing.h"
10*0fca6ea1SDimitry Andric #include "llvm/Support/Debug.h"
11*0fca6ea1SDimitry Andric #include "llvm/Support/raw_ostream.h"
12*0fca6ea1SDimitry Andric 
13*0fca6ea1SDimitry Andric using namespace llvm;
14*0fca6ea1SDimitry Andric 
hash_value(const DynamicAPInt & X)15*0fca6ea1SDimitry Andric hash_code llvm::hash_value(const DynamicAPInt &X) {
16*0fca6ea1SDimitry Andric   if (X.isSmall())
17*0fca6ea1SDimitry Andric     return llvm::hash_value(X.getSmall());
18*0fca6ea1SDimitry Andric   return detail::hash_value(X.getLarge());
19*0fca6ea1SDimitry Andric }
20*0fca6ea1SDimitry Andric 
static_assert_layout()21*0fca6ea1SDimitry Andric void DynamicAPInt::static_assert_layout() {
22*0fca6ea1SDimitry Andric   constexpr size_t ValLargeOffset =
23*0fca6ea1SDimitry Andric       offsetof(DynamicAPInt, ValLarge.Val.BitWidth);
24*0fca6ea1SDimitry Andric   constexpr size_t ValSmallOffset = offsetof(DynamicAPInt, ValSmall);
25*0fca6ea1SDimitry Andric   constexpr size_t ValSmallSize = sizeof(ValSmall);
26*0fca6ea1SDimitry Andric   static_assert(ValLargeOffset >= ValSmallOffset + ValSmallSize);
27*0fca6ea1SDimitry Andric }
28*0fca6ea1SDimitry Andric 
print(raw_ostream & OS) const29*0fca6ea1SDimitry Andric raw_ostream &DynamicAPInt::print(raw_ostream &OS) const {
30*0fca6ea1SDimitry Andric   if (isSmall())
31*0fca6ea1SDimitry Andric     return OS << ValSmall;
32*0fca6ea1SDimitry Andric   return OS << ValLarge;
33*0fca6ea1SDimitry Andric }
34*0fca6ea1SDimitry Andric 
dump() const35*0fca6ea1SDimitry Andric void DynamicAPInt::dump() const { print(dbgs()); }
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