diff options
Diffstat (limited to 'lib/Analysis/ConstantRange.cpp')
-rw-r--r-- | lib/Analysis/ConstantRange.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Analysis/ConstantRange.cpp b/lib/Analysis/ConstantRange.cpp index 3b91c5bc7a..109ed42cfc 100644 --- a/lib/Analysis/ConstantRange.cpp +++ b/lib/Analysis/ConstantRange.cpp @@ -1,10 +1,10 @@ //===-- ConstantRange.cpp - ConstantRange implementation ------------------===// -// +// // The LLVM Compiler Infrastructure // // This file was developed by the LLVM research group and is distributed under // the University of Illinois Open Source License. See LICENSE.TXT for details. -// +// //===----------------------------------------------------------------------===// // // Represent a range of possible values that may occur when the program is run @@ -32,7 +32,7 @@ using namespace llvm; static ConstantIntegral *Next(ConstantIntegral *CI) { if (CI->getType() == Type::BoolTy) return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True; - + Constant *Result = ConstantExpr::getAdd(CI, ConstantInt::get(CI->getType(), 1)); return cast<ConstantIntegral>(Result); @@ -84,7 +84,7 @@ ConstantRange::ConstantRange(Constant *L, Constant *U) : Lower(cast<ConstantIntegral>(L)), Upper(cast<ConstantIntegral>(U)) { assert(Lower->getType() == Upper->getType() && "Incompatible types for ConstantRange!"); - + // Make sure that if L & U are equal that they are either Min or Max... assert((L != U || (L == ConstantIntegral::getMaxValue(L->getType()) || L == ConstantIntegral::getMinValue(L->getType()))) && @@ -126,7 +126,7 @@ const Type *ConstantRange::getType() const { return Lower->getType(); } bool ConstantRange::isFullSet() const { return Lower == Upper && Lower == ConstantIntegral::getMaxValue(getType()); } - + /// isEmptySet - Return true if this set contains no members. /// bool ConstantRange::isEmptySet() const { @@ -140,7 +140,7 @@ bool ConstantRange::isWrappedSet() const { return GT(Lower, Upper); } - + /// getSingleElement - If this set contains a single element, return it, /// otherwise return null. ConstantIntegral *ConstantRange::getSingleElement() const { @@ -158,7 +158,7 @@ uint64_t ConstantRange::getSetSize() const { return 1; return 2; // Must be full set... } - + // Simply subtract the bounds... Constant *Result = ConstantExpr::getSub(Upper, Lower); return cast<ConstantInt>(Result)->getRawValue(); |