CIRCT  19.0.0git
APInt.cpp
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1 //===- APInt.h - CIRCT Lowering Options -------------------------*- 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 // Utilities for working around limitations of upstream LLVM APInts.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "circt/Support/APInt.h"
14 #include "llvm/ADT/APSInt.h"
15 
16 using namespace circt;
17 
18 APInt circt::sextZeroWidth(APInt value, unsigned width) {
19  return value.getBitWidth() ? value.sext(width) : value.zext(width);
20 }
21 
22 APSInt circt::extOrTruncZeroWidth(APSInt value, unsigned width) {
23  return value.getBitWidth()
24  ? value.extOrTrunc(width)
25  : APSInt(value.zextOrTrunc(width), value.isUnsigned());
26 }
int32_t width
Definition: FIRRTL.cpp:36
This file defines an intermediate representation for circuits acting as an abstraction for constraint...
Definition: DebugAnalysis.h:21
APSInt extOrTruncZeroWidth(APSInt value, unsigned width)
A safe version of APSInt::extOrTrunc that will NOT assert on zero-width signed APSInts.
Definition: APInt.cpp:22
APInt sextZeroWidth(APInt value, unsigned width)
A safe version of APInt::sext that will NOT assert on zero-width signed APSInts.
Definition: APInt.cpp:18