diff options
Diffstat (limited to 'gnu/llvm/lib/Support/APSInt.cpp')
| -rw-r--r-- | gnu/llvm/lib/Support/APSInt.cpp | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/gnu/llvm/lib/Support/APSInt.cpp b/gnu/llvm/lib/Support/APSInt.cpp deleted file mode 100644 index 46c0f70ff66..00000000000 --- a/gnu/llvm/lib/Support/APSInt.cpp +++ /dev/null @@ -1,43 +0,0 @@ -//===-- llvm/ADT/APSInt.cpp - Arbitrary Precision Signed Int ---*- C++ -*--===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file implements the APSInt class, which is a simple class that -// represents an arbitrary sized integer that knows its signedness. -// -//===----------------------------------------------------------------------===// - -#include "llvm/ADT/APSInt.h" -#include "llvm/ADT/FoldingSet.h" -#include "llvm/ADT/StringRef.h" - -using namespace llvm; - -APSInt::APSInt(StringRef Str) { - assert(!Str.empty() && "Invalid string length"); - - // (Over-)estimate the required number of bits. - unsigned NumBits = ((Str.size() * 64) / 19) + 2; - APInt Tmp(NumBits, Str, /*Radix=*/10); - if (Str[0] == '-') { - unsigned MinBits = Tmp.getMinSignedBits(); - if (MinBits > 0 && MinBits < NumBits) - Tmp = Tmp.trunc(MinBits); - *this = APSInt(Tmp, /*IsUnsigned=*/false); - return; - } - unsigned ActiveBits = Tmp.getActiveBits(); - if (ActiveBits > 0 && ActiveBits < NumBits) - Tmp = Tmp.trunc(ActiveBits); - *this = APSInt(Tmp, /*IsUnsigned=*/true); -} - -void APSInt::Profile(FoldingSetNodeID& ID) const { - ID.AddInteger((unsigned) (IsUnsigned ? 1 : 0)); - APInt::Profile(ID); -} |
