diff options
Diffstat (limited to 'lib/Support')
-rw-r--r-- | lib/Support/ConstantRange.cpp | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/lib/Support/ConstantRange.cpp b/lib/Support/ConstantRange.cpp index a8ffa58..1d49e22 100644 --- a/lib/Support/ConstantRange.cpp +++ b/lib/Support/ConstantRange.cpp @@ -30,9 +30,9 @@ #include <ostream> using namespace llvm; -static ConstantIntegral *getMaxValue(const Type *Ty, bool isSigned = false) { +static ConstantInt *getMaxValue(const Type *Ty, bool isSigned = false) { if (Ty == Type::BoolTy) - return ConstantBool::getTrue(); + return ConstantInt::getTrue(); if (Ty->isInteger()) { if (isSigned) { // Calculate 011111111111111... @@ -47,9 +47,9 @@ static ConstantIntegral *getMaxValue(const Type *Ty, bool isSigned = false) { } // Static constructor to create the minimum constant for an integral type... -static ConstantIntegral *getMinValue(const Type *Ty, bool isSigned = false) { +static ConstantInt *getMinValue(const Type *Ty, bool isSigned = false) { if (Ty == Type::BoolTy) - return ConstantBool::getFalse(); + return ConstantInt::getFalse(); if (Ty->isInteger()) { if (isSigned) { // Calculate 1111111111000000000000 @@ -62,37 +62,37 @@ static ConstantIntegral *getMinValue(const Type *Ty, bool isSigned = false) { } return 0; } -static ConstantIntegral *Next(ConstantIntegral *CI) { - if (ConstantBool *CB = dyn_cast<ConstantBool>(CI)) - return ConstantBool::get(!CB->getValue()); +static ConstantInt *Next(ConstantInt *CI) { + if (CI->getType() == Type::BoolTy) + return ConstantInt::get(!CI->getBoolValue()); Constant *Result = ConstantExpr::getAdd(CI, ConstantInt::get(CI->getType(), 1)); - return cast<ConstantIntegral>(Result); + return cast<ConstantInt>(Result); } -static bool LT(ConstantIntegral *A, ConstantIntegral *B, bool isSigned) { +static bool LT(ConstantInt *A, ConstantInt *B, bool isSigned) { Constant *C = ConstantExpr::getICmp( (isSigned ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT), A, B); - assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??"); - return cast<ConstantBool>(C)->getValue(); + assert(isa<ConstantInt>(C) && "Constant folding of integrals not impl??"); + return cast<ConstantInt>(C)->getBoolValue(); } -static bool LTE(ConstantIntegral *A, ConstantIntegral *B, bool isSigned) { +static bool LTE(ConstantInt *A, ConstantInt *B, bool isSigned) { Constant *C = ConstantExpr::getICmp( (isSigned ? ICmpInst::ICMP_SLE : ICmpInst::ICMP_ULE), A, B); - assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??"); - return cast<ConstantBool>(C)->getValue(); + assert(isa<ConstantInt>(C) && "Constant folding of integrals not impl??"); + return cast<ConstantInt>(C)->getBoolValue(); } -static bool GT(ConstantIntegral *A, ConstantIntegral *B, bool isSigned) { +static bool GT(ConstantInt *A, ConstantInt *B, bool isSigned) { return LT(B, A, isSigned); } -static ConstantIntegral *Min(ConstantIntegral *A, ConstantIntegral *B, +static ConstantInt *Min(ConstantInt *A, ConstantInt *B, bool isSigned) { return LT(A, B, isSigned) ? A : B; } -static ConstantIntegral *Max(ConstantIntegral *A, ConstantIntegral *B, +static ConstantInt *Max(ConstantInt *A, ConstantInt *B, bool isSigned) { return GT(A, B, isSigned) ? A : B; } @@ -111,14 +111,14 @@ ConstantRange::ConstantRange(const Type *Ty, bool Full) { /// Initialize a range to hold the single specified value. /// ConstantRange::ConstantRange(Constant *V) - : Lower(cast<ConstantIntegral>(V)), Upper(Next(cast<ConstantIntegral>(V))) { } + : Lower(cast<ConstantInt>(V)), Upper(Next(cast<ConstantInt>(V))) { } /// Initialize a range of values explicitly... this will assert out if /// Lower==Upper and Lower != Min or Max for its type (or if the two constants /// have different types) /// ConstantRange::ConstantRange(Constant *L, Constant *U) - : Lower(cast<ConstantIntegral>(L)), Upper(cast<ConstantIntegral>(U)) { + : Lower(cast<ConstantInt>(L)), Upper(cast<ConstantInt>(U)) { assert(Lower->getType() == Upper->getType() && "Incompatible types for ConstantRange!"); @@ -130,7 +130,7 @@ ConstantRange::ConstantRange(Constant *L, Constant *U) /// Initialize a set of values that all satisfy the condition with C. /// -ConstantRange::ConstantRange(unsigned short ICmpOpcode, ConstantIntegral *C) { +ConstantRange::ConstantRange(unsigned short ICmpOpcode, ConstantInt *C) { switch (ICmpOpcode) { default: assert(0 && "Invalid ICmp opcode to ConstantRange ctor!"); case ICmpInst::ICMP_EQ: Lower = C; Upper = Next(C); return; @@ -195,7 +195,7 @@ bool ConstantRange::isWrappedSet(bool isSigned) const { /// getSingleElement - If this set contains a single element, return it, /// otherwise return null. -ConstantIntegral *ConstantRange::getSingleElement() const { +ConstantInt *ConstantRange::getSingleElement() const { if (Upper == Next(Lower)) // Is it a single element range? return Lower; return 0; @@ -292,8 +292,8 @@ ConstantRange ConstantRange::intersectWith(const ConstantRange &CR, if (!isWrappedSet(isSigned)) { if (!CR.isWrappedSet(isSigned)) { - ConstantIntegral *L = Max(Lower, CR.Lower, isSigned); - ConstantIntegral *U = Min(Upper, CR.Upper, isSigned); + ConstantInt *L = Max(Lower, CR.Lower, isSigned); + ConstantInt *U = Min(Upper, CR.Upper, isSigned); if (LT(L, U, isSigned)) // If range isn't empty... return ConstantRange(L, U); @@ -306,8 +306,8 @@ ConstantRange ConstantRange::intersectWith(const ConstantRange &CR, return intersect1Wrapped(*this, CR, isSigned); else { // Both ranges are wrapped... - ConstantIntegral *L = Max(Lower, CR.Lower, isSigned); - ConstantIntegral *U = Min(Upper, CR.Upper, isSigned); + ConstantInt *L = Max(Lower, CR.Lower, isSigned); + ConstantInt *U = Min(Upper, CR.Upper, isSigned); return ConstantRange(L, U); } } |