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https://github.com/c64scene-ar/llvm-6502.git
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Add some new methods
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12539 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -30,6 +30,7 @@
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namespace llvm {
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class Constant;
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class ConstantIntegral;
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class ConstantInt;
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class Type;
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class ConstantRange {
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@ -39,6 +40,10 @@ class ConstantRange {
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///
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ConstantRange(const Type *Ty, bool isFullSet = true);
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/// Initialize a range to hold the single specified value.
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///
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ConstantRange(Constant *Value);
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/// Initialize a range of values explicitly... this will assert out if
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/// Lower==Upper and Lower != Min or Max for its type, if the two constants
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/// have different types, or if the constant are not integral values.
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@ -74,6 +79,10 @@ class ConstantRange {
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/// for example: [100, 8)
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///
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bool isWrappedSet() const;
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/// contains - Return true if the specified value is in the set.
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///
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bool contains(ConstantInt *Val) const;
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/// getSingleElement - If this set contains a single element, return it,
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/// otherwise return null.
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@ -97,6 +106,10 @@ class ConstantRange {
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return !operator==(CR);
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}
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/// subtract - Subtract the specified constant from the endpoints of this
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/// constant range.
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ConstantRange subtract(ConstantInt *CI) const;
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/// intersect - Return the range that results from the intersection of this
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/// range with another range. The resultant range is pruned as much as
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/// possible, but there may be cases where elements are included that are in
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@ -113,6 +126,18 @@ class ConstantRange {
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///
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ConstantRange unionWith(const ConstantRange &CR) const;
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/// zeroExtend - Return a new range in the specified integer type, which must
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/// be strictly larger than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// zero extended.
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ConstantRange zeroExtend(const Type *Ty) const;
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/// truncate - Return a new range in the specified integer type, which must be
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/// strictly smaller than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// truncated to the specified type.
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ConstantRange truncate(const Type *Ty) const;
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/// print - Print out the bounds to a stream...
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///
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void print(std::ostream &OS) const;
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@ -27,18 +27,29 @@
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#include "llvm/Type.h"
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using namespace llvm;
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::getAdd(CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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static bool LT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetLT, A, B);
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Constant *C = ConstantExpr::getSetLT(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetGT, A, B);
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static bool LTE(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::getSetLE(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) { return LT(B, A); }
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static ConstantIntegral *Min(ConstantIntegral *A, ConstantIntegral *B) {
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return LT(A, B) ? A : B;
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}
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@ -46,7 +57,6 @@ static ConstantIntegral *Max(ConstantIntegral *A, ConstantIntegral *B) {
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return GT(A, B) ? A : B;
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}
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/// Initialize a full (the default) or empty set for the specified type.
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///
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ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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@ -58,6 +68,12 @@ ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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Lower = Upper = ConstantIntegral::getMinValue(Ty);
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}
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/// Initialize a range to hold the single specified value.
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///
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ConstantRange::ConstantRange(Constant *V)
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: Lower(cast<ConstantIntegral>(V)), Upper(Next(cast<ConstantIntegral>(V))) {
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}
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/// Initialize a range of values explicitly... this will assert out if
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/// Lower==Upper and Lower != Min or Max for its type (or if the two constants
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/// have different types)
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@ -73,15 +89,6 @@ ConstantRange::ConstantRange(Constant *L, Constant *U)
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"Lower == Upper, but they aren't min or max for type!");
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}
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::get(Instruction::Add, CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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/// Initialize a set of values that all satisfy the condition with C.
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///
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ConstantRange::ConstantRange(unsigned SetCCOpcode, ConstantIntegral *C) {
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@ -151,12 +158,35 @@ uint64_t ConstantRange::getSetSize() const {
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}
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// Simply subtract the bounds...
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Constant *Result =
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ConstantExpr::get(Instruction::Sub, (Constant*)Upper, (Constant*)Lower);
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Constant *Result = ConstantExpr::getSub(Upper, Lower);
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return cast<ConstantInt>(Result)->getRawValue();
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}
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/// contains - Return true if the specified value is in the set.
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///
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bool ConstantRange::contains(ConstantInt *Val) const {
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if (Lower == Upper) {
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if (isFullSet()) return true;
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return false;
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}
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if (!isWrappedSet())
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return LTE(Lower, Val) && LT(Val, Upper);
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return LTE(Lower, Val) || LT(Val, Upper);
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}
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/// subtract - Subtract the specified constant from the endpoints of this
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/// constant range.
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ConstantRange ConstantRange::subtract(ConstantInt *CI) const {
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assert(CI->getType() == getType() && getType()->isInteger() &&
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"Cannot subtract from different type range or non-integer!");
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// If the set is empty or full, don't modify the endpoints.
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if (Lower == Upper) return *this;
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return ConstantRange(ConstantExpr::getSub(Lower, CI),
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ConstantExpr::getSub(Upper, CI));
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}
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// intersect1Wrapped - This helper function is used to intersect two ranges when
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@ -245,6 +275,48 @@ ConstantRange ConstantRange::unionWith(const ConstantRange &CR) const {
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return *this;
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}
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/// zeroExtend - Return a new range in the specified integer type, which must
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/// be strictly larger than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// zero extended.
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ConstantRange ConstantRange::zeroExtend(const Type *Ty) const {
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assert(getLower()->getType()->getPrimitiveSize() < Ty->getPrimitiveSize() &&
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"Not a value extension");
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if (isFullSet()) {
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// Change a source full set into [0, 1 << 8*numbytes)
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unsigned SrcTySize = getLower()->getType()->getPrimitiveSize();
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return ConstantRange(Constant::getNullValue(Ty),
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ConstantUInt::get(Ty, 1ULL << SrcTySize*8));
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}
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Constant *Lower = getLower();
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Constant *Upper = getUpper();
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if (Lower->getType()->isInteger() && !Lower->getType()->isUnsigned()) {
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// Ensure we are doing a ZERO extension even if the input range is signed.
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Lower = ConstantExpr::getCast(Lower, Ty->getUnsignedVersion());
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Upper = ConstantExpr::getCast(Upper, Ty->getUnsignedVersion());
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}
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return ConstantRange(ConstantExpr::getCast(Lower, Ty),
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ConstantExpr::getCast(Upper, Ty));
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}
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/// truncate - Return a new range in the specified integer type, which must be
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/// strictly smaller than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// truncated to the specified type.
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ConstantRange ConstantRange::truncate(const Type *Ty) const {
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assert(getLower()->getType()->getPrimitiveSize() > Ty->getPrimitiveSize() &&
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"Not a value truncation");
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uint64_t Size = 1ULL << Ty->getPrimitiveSize()*8;
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if (isFullSet() || getSetSize() >= Size)
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return ConstantRange(getType());
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return ConstantRange(ConstantExpr::getCast(getLower(), Ty),
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ConstantExpr::getCast(getUpper(), Ty));
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}
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/// print - Print out the bounds to a stream...
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///
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void ConstantRange::print(std::ostream &OS) const {
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@ -27,18 +27,29 @@
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#include "llvm/Type.h"
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using namespace llvm;
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::getAdd(CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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static bool LT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetLT, A, B);
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Constant *C = ConstantExpr::getSetLT(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetGT, A, B);
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static bool LTE(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::getSetLE(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) { return LT(B, A); }
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static ConstantIntegral *Min(ConstantIntegral *A, ConstantIntegral *B) {
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return LT(A, B) ? A : B;
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}
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@ -46,7 +57,6 @@ static ConstantIntegral *Max(ConstantIntegral *A, ConstantIntegral *B) {
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return GT(A, B) ? A : B;
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}
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/// Initialize a full (the default) or empty set for the specified type.
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///
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ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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@ -58,6 +68,12 @@ ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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Lower = Upper = ConstantIntegral::getMinValue(Ty);
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}
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/// Initialize a range to hold the single specified value.
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///
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ConstantRange::ConstantRange(Constant *V)
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: Lower(cast<ConstantIntegral>(V)), Upper(Next(cast<ConstantIntegral>(V))) {
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}
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/// Initialize a range of values explicitly... this will assert out if
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/// Lower==Upper and Lower != Min or Max for its type (or if the two constants
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/// have different types)
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@ -73,15 +89,6 @@ ConstantRange::ConstantRange(Constant *L, Constant *U)
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"Lower == Upper, but they aren't min or max for type!");
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}
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::get(Instruction::Add, CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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/// Initialize a set of values that all satisfy the condition with C.
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///
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ConstantRange::ConstantRange(unsigned SetCCOpcode, ConstantIntegral *C) {
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@ -151,12 +158,35 @@ uint64_t ConstantRange::getSetSize() const {
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}
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// Simply subtract the bounds...
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Constant *Result =
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ConstantExpr::get(Instruction::Sub, (Constant*)Upper, (Constant*)Lower);
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Constant *Result = ConstantExpr::getSub(Upper, Lower);
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return cast<ConstantInt>(Result)->getRawValue();
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}
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/// contains - Return true if the specified value is in the set.
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///
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bool ConstantRange::contains(ConstantInt *Val) const {
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if (Lower == Upper) {
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if (isFullSet()) return true;
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return false;
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}
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if (!isWrappedSet())
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return LTE(Lower, Val) && LT(Val, Upper);
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return LTE(Lower, Val) || LT(Val, Upper);
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}
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/// subtract - Subtract the specified constant from the endpoints of this
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/// constant range.
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ConstantRange ConstantRange::subtract(ConstantInt *CI) const {
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assert(CI->getType() == getType() && getType()->isInteger() &&
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"Cannot subtract from different type range or non-integer!");
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// If the set is empty or full, don't modify the endpoints.
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if (Lower == Upper) return *this;
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return ConstantRange(ConstantExpr::getSub(Lower, CI),
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ConstantExpr::getSub(Upper, CI));
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}
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// intersect1Wrapped - This helper function is used to intersect two ranges when
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@ -245,6 +275,48 @@ ConstantRange ConstantRange::unionWith(const ConstantRange &CR) const {
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return *this;
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}
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/// zeroExtend - Return a new range in the specified integer type, which must
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/// be strictly larger than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// zero extended.
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ConstantRange ConstantRange::zeroExtend(const Type *Ty) const {
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assert(getLower()->getType()->getPrimitiveSize() < Ty->getPrimitiveSize() &&
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"Not a value extension");
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if (isFullSet()) {
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// Change a source full set into [0, 1 << 8*numbytes)
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unsigned SrcTySize = getLower()->getType()->getPrimitiveSize();
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return ConstantRange(Constant::getNullValue(Ty),
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ConstantUInt::get(Ty, 1ULL << SrcTySize*8));
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}
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Constant *Lower = getLower();
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Constant *Upper = getUpper();
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if (Lower->getType()->isInteger() && !Lower->getType()->isUnsigned()) {
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// Ensure we are doing a ZERO extension even if the input range is signed.
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Lower = ConstantExpr::getCast(Lower, Ty->getUnsignedVersion());
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Upper = ConstantExpr::getCast(Upper, Ty->getUnsignedVersion());
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}
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return ConstantRange(ConstantExpr::getCast(Lower, Ty),
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ConstantExpr::getCast(Upper, Ty));
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}
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/// truncate - Return a new range in the specified integer type, which must be
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/// strictly smaller than the current type. The returned range will
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/// correspond to the possible range of values if the source range had been
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/// truncated to the specified type.
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ConstantRange ConstantRange::truncate(const Type *Ty) const {
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assert(getLower()->getType()->getPrimitiveSize() > Ty->getPrimitiveSize() &&
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"Not a value truncation");
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uint64_t Size = 1ULL << Ty->getPrimitiveSize()*8;
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if (isFullSet() || getSetSize() >= Size)
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return ConstantRange(getType());
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return ConstantRange(ConstantExpr::getCast(getLower(), Ty),
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ConstantExpr::getCast(getUpper(), Ty));
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}
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/// print - Print out the bounds to a stream...
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///
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void ConstantRange::print(std::ostream &OS) const {
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@ -27,18 +27,29 @@
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#include "llvm/Type.h"
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using namespace llvm;
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::getAdd(CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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static bool LT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetLT, A, B);
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Constant *C = ConstantExpr::getSetLT(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::get(Instruction::SetGT, A, B);
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static bool LTE(ConstantIntegral *A, ConstantIntegral *B) {
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Constant *C = ConstantExpr::getSetLE(A, B);
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assert(isa<ConstantBool>(C) && "Constant folding of integrals not impl??");
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return cast<ConstantBool>(C)->getValue();
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}
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static bool GT(ConstantIntegral *A, ConstantIntegral *B) { return LT(B, A); }
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static ConstantIntegral *Min(ConstantIntegral *A, ConstantIntegral *B) {
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return LT(A, B) ? A : B;
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}
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@ -46,7 +57,6 @@ static ConstantIntegral *Max(ConstantIntegral *A, ConstantIntegral *B) {
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return GT(A, B) ? A : B;
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}
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/// Initialize a full (the default) or empty set for the specified type.
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///
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ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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@ -58,6 +68,12 @@ ConstantRange::ConstantRange(const Type *Ty, bool Full) {
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Lower = Upper = ConstantIntegral::getMinValue(Ty);
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}
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/// Initialize a range to hold the single specified value.
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///
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ConstantRange::ConstantRange(Constant *V)
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: Lower(cast<ConstantIntegral>(V)), Upper(Next(cast<ConstantIntegral>(V))) {
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}
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/// Initialize a range of values explicitly... this will assert out if
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/// Lower==Upper and Lower != Min or Max for its type (or if the two constants
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/// have different types)
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@ -73,15 +89,6 @@ ConstantRange::ConstantRange(Constant *L, Constant *U)
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"Lower == Upper, but they aren't min or max for type!");
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}
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static ConstantIntegral *Next(ConstantIntegral *CI) {
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if (CI->getType() == Type::BoolTy)
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return CI == ConstantBool::True ? ConstantBool::False : ConstantBool::True;
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Constant *Result = ConstantExpr::get(Instruction::Add, CI,
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ConstantInt::get(CI->getType(), 1));
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return cast<ConstantIntegral>(Result);
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}
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/// Initialize a set of values that all satisfy the condition with C.
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///
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ConstantRange::ConstantRange(unsigned SetCCOpcode, ConstantIntegral *C) {
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@ -151,12 +158,35 @@ uint64_t ConstantRange::getSetSize() const {
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}
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// Simply subtract the bounds...
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||||
Constant *Result =
|
||||
ConstantExpr::get(Instruction::Sub, (Constant*)Upper, (Constant*)Lower);
|
||||
Constant *Result = ConstantExpr::getSub(Upper, Lower);
|
||||
return cast<ConstantInt>(Result)->getRawValue();
|
||||
}
|
||||
|
||||
/// contains - Return true if the specified value is in the set.
|
||||
///
|
||||
bool ConstantRange::contains(ConstantInt *Val) const {
|
||||
if (Lower == Upper) {
|
||||
if (isFullSet()) return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!isWrappedSet())
|
||||
return LTE(Lower, Val) && LT(Val, Upper);
|
||||
return LTE(Lower, Val) || LT(Val, Upper);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/// subtract - Subtract the specified constant from the endpoints of this
|
||||
/// constant range.
|
||||
ConstantRange ConstantRange::subtract(ConstantInt *CI) const {
|
||||
assert(CI->getType() == getType() && getType()->isInteger() &&
|
||||
"Cannot subtract from different type range or non-integer!");
|
||||
// If the set is empty or full, don't modify the endpoints.
|
||||
if (Lower == Upper) return *this;
|
||||
return ConstantRange(ConstantExpr::getSub(Lower, CI),
|
||||
ConstantExpr::getSub(Upper, CI));
|
||||
}
|
||||
|
||||
|
||||
// intersect1Wrapped - This helper function is used to intersect two ranges when
|
||||
@ -245,6 +275,48 @@ ConstantRange ConstantRange::unionWith(const ConstantRange &CR) const {
|
||||
return *this;
|
||||
}
|
||||
|
||||
/// zeroExtend - Return a new range in the specified integer type, which must
|
||||
/// be strictly larger than the current type. The returned range will
|
||||
/// correspond to the possible range of values if the source range had been
|
||||
/// zero extended.
|
||||
ConstantRange ConstantRange::zeroExtend(const Type *Ty) const {
|
||||
assert(getLower()->getType()->getPrimitiveSize() < Ty->getPrimitiveSize() &&
|
||||
"Not a value extension");
|
||||
if (isFullSet()) {
|
||||
// Change a source full set into [0, 1 << 8*numbytes)
|
||||
unsigned SrcTySize = getLower()->getType()->getPrimitiveSize();
|
||||
return ConstantRange(Constant::getNullValue(Ty),
|
||||
ConstantUInt::get(Ty, 1ULL << SrcTySize*8));
|
||||
}
|
||||
|
||||
Constant *Lower = getLower();
|
||||
Constant *Upper = getUpper();
|
||||
if (Lower->getType()->isInteger() && !Lower->getType()->isUnsigned()) {
|
||||
// Ensure we are doing a ZERO extension even if the input range is signed.
|
||||
Lower = ConstantExpr::getCast(Lower, Ty->getUnsignedVersion());
|
||||
Upper = ConstantExpr::getCast(Upper, Ty->getUnsignedVersion());
|
||||
}
|
||||
|
||||
return ConstantRange(ConstantExpr::getCast(Lower, Ty),
|
||||
ConstantExpr::getCast(Upper, Ty));
|
||||
}
|
||||
|
||||
/// truncate - Return a new range in the specified integer type, which must be
|
||||
/// strictly smaller than the current type. The returned range will
|
||||
/// correspond to the possible range of values if the source range had been
|
||||
/// truncated to the specified type.
|
||||
ConstantRange ConstantRange::truncate(const Type *Ty) const {
|
||||
assert(getLower()->getType()->getPrimitiveSize() > Ty->getPrimitiveSize() &&
|
||||
"Not a value truncation");
|
||||
uint64_t Size = 1ULL << Ty->getPrimitiveSize()*8;
|
||||
if (isFullSet() || getSetSize() >= Size)
|
||||
return ConstantRange(getType());
|
||||
|
||||
return ConstantRange(ConstantExpr::getCast(getLower(), Ty),
|
||||
ConstantExpr::getCast(getUpper(), Ty));
|
||||
}
|
||||
|
||||
|
||||
/// print - Print out the bounds to a stream...
|
||||
///
|
||||
void ConstantRange::print(std::ostream &OS) const {
|
||||
|
Loading…
Reference in New Issue
Block a user