//===----------------------------------------------------------------------===//
#include "llvm/Attributes.h"
-#include "AttributesImpl.h"
#include "LLVMContextImpl.h"
#include "llvm/Type.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
-// Attribute Function Definitions
+// Attributes Implementation
//===----------------------------------------------------------------------===//
-bool Attributes::hasAttributes(const Attributes &A) const {
- return Bits & A.Bits;
-}
-bool Attributes::hasAddressSafetyAttr() const {
- return Bits & Attribute::AddressSafety_i;
-}
-bool Attributes::hasAlignmentAttr() const {
- return Bits & Attribute::Alignment_i;
-}
-bool Attributes::hasAlwaysInlineAttr() const {
- return Bits & Attribute::AlwaysInline_i;
-}
-bool Attributes::hasByValAttr() const {
- return Bits & Attribute::ByVal_i;
-}
-bool Attributes::hasInlineHintAttr() const {
- return Bits & Attribute::InlineHint_i;
-}
-bool Attributes::hasInRegAttr() const {
- return Bits & Attribute::InReg_i;
-}
-bool Attributes::hasNakedAttr() const {
- return Bits & Attribute::Naked_i;
-}
-bool Attributes::hasNestAttr() const {
- return Bits & Attribute::Nest_i;
-}
-bool Attributes::hasNoAliasAttr() const {
- return Bits & Attribute::NoAlias_i;
-}
-bool Attributes::hasNoCaptureAttr() const {
- return Bits & Attribute::NoCapture_i;
-}
-bool Attributes::hasNoImplicitFloatAttr() const {
- return Bits & Attribute::NoImplicitFloat_i;
-}
-bool Attributes::hasNoInlineAttr() const {
- return Bits & Attribute::NoInline_i;
-}
-bool Attributes::hasNonLazyBindAttr() const {
- return Bits & Attribute::NonLazyBind_i;
-}
-bool Attributes::hasNoRedZoneAttr() const {
- return Bits & Attribute::NoRedZone_i;
-}
-bool Attributes::hasNoReturnAttr() const {
- return Bits & Attribute::NoReturn_i;
-}
-bool Attributes::hasNoUnwindAttr() const {
- return Bits & Attribute::NoUnwind_i;
-}
-bool Attributes::hasOptimizeForSizeAttr() const {
- return Bits & Attribute::OptimizeForSize_i;
-}
-bool Attributes::hasReadNoneAttr() const {
- return Bits & Attribute::ReadNone_i;
-}
-bool Attributes::hasReadOnlyAttr() const {
- return Bits & Attribute::ReadOnly_i;
-}
-bool Attributes::hasReturnsTwiceAttr() const {
- return Bits & Attribute::ReturnsTwice_i;
-}
-bool Attributes::hasSExtAttr() const {
- return Bits & Attribute::SExt_i;
-}
-bool Attributes::hasStackAlignmentAttr() const {
- return Bits & Attribute::StackAlignment_i;
-}
-bool Attributes::hasStackProtectAttr() const {
- return Bits & Attribute::StackProtect_i;
-}
-bool Attributes::hasStackProtectReqAttr() const {
- return Bits & Attribute::StackProtectReq_i;
+Attributes::Attributes(uint64_t Val) : Attrs(Val) {}
+
+Attributes::Attributes(Attribute::AttrConst Val) : Attrs(Val.v) {}
+
+Attributes::Attributes(AttributesImpl *A) : Attrs(A->Bits) {}
+
+Attributes::Attributes(const Attributes &A) : Attrs(A.Attrs) {}
+
+// FIXME: This is temporary until we have implemented the uniquified version of
+// AttributesImpl.
+Attributes Attributes::get(Attributes::Builder &B) {
+ return Attributes(B.Bits);
}
-bool Attributes::hasStructRetAttr() const {
- return Bits & Attribute::StructRet_i;
+
+Attributes Attributes::get(LLVMContext &Context, Attributes::Builder &B) {
+ // If there are no attributes, return an empty Attributes class.
+ if (B.Bits == 0)
+ return Attributes();
+
+ // Otherwise, build a key to look up the existing attributes.
+ LLVMContextImpl *pImpl = Context.pImpl;
+ FoldingSetNodeID ID;
+ ID.AddInteger(B.Bits);
+
+ void *InsertPoint;
+ AttributesImpl *PA = pImpl->AttrsSet.FindNodeOrInsertPos(ID, InsertPoint);
+
+ if (!PA) {
+ // If we didn't find any existing attributes of the same shape then create a
+ // new one and insert it.
+ PA = new AttributesImpl(B.Bits);
+ pImpl->AttrsSet.InsertNode(PA, InsertPoint);
+ }
+
+ // Return the AttributesList that we found or created.
+ return Attributes(PA);
}
-bool Attributes::hasUWTableAttr() const {
- return Bits & Attribute::UWTable_i;
+
+bool Attributes::hasAttribute(AttrVal Val) const {
+ return Attrs.hasAttribute(Val);
}
-bool Attributes::hasZExtAttr() const {
- return Bits & Attribute::ZExt_i;
+
+bool Attributes::hasAttributes(const Attributes &A) const {
+ return Attrs.hasAttributes(A);
}
/// This returns the alignment field of an attribute as a byte alignment value.
unsigned Attributes::getAlignment() const {
- if (!hasAlignmentAttr())
- return 0;
- return 1U << (((Bits & Attribute::Alignment_i) >> 16) - 1);
+ return Attrs.getAlignment();
}
/// This returns the stack alignment field of an attribute as a byte alignment
/// value.
unsigned Attributes::getStackAlignment() const {
- if (!hasStackAlignmentAttr())
- return 0;
- return 1U << (((Bits & Attribute::StackAlignment_i) >> 26) - 1);
+ return Attrs.getStackAlignment();
}
bool Attributes::isEmptyOrSingleton() const {
- return (Bits & (Bits - 1)) == 0;
+ return Attrs.isEmptyOrSingleton();
}
-Attributes Attributes::operator | (const Attributes &Attrs) const {
- return Attributes(Bits | Attrs.Bits);
+Attributes Attributes::operator | (const Attributes &A) const {
+ return Attributes(Raw() | A.Raw());
}
-Attributes Attributes::operator & (const Attributes &Attrs) const {
- return Attributes(Bits & Attrs.Bits);
+Attributes Attributes::operator & (const Attributes &A) const {
+ return Attributes(Raw() & A.Raw());
}
-Attributes Attributes::operator ^ (const Attributes &Attrs) const {
- return Attributes(Bits ^ Attrs.Bits);
+Attributes Attributes::operator ^ (const Attributes &A) const {
+ return Attributes(Raw() ^ A.Raw());
}
-Attributes &Attributes::operator |= (const Attributes &Attrs) {
- Bits |= Attrs.Bits;
+Attributes &Attributes::operator |= (const Attributes &A) {
+ Attrs.Bits |= A.Raw();
return *this;
}
-Attributes &Attributes::operator &= (const Attributes &Attrs) {
- Bits &= Attrs.Bits;
+Attributes &Attributes::operator &= (const Attributes &A) {
+ Attrs.Bits &= A.Raw();
return *this;
}
Attributes Attributes::operator ~ () const {
- return Attributes(~Bits);
+ return Attributes(~Raw());
+}
+
+uint64_t Attributes::Raw() const {
+ return Attrs.Bits;
}
Attributes Attributes::typeIncompatible(Type *Ty) {
Attributes::Builder Incompatible;
- if (!Ty->isIntegerTy()) {
+ if (!Ty->isIntegerTy())
// Attributes that only apply to integers.
- Incompatible.addSExtAttr();
- Incompatible.addZExtAttr();
- }
+ Incompatible.addAttribute(Attributes::SExt)
+ .addAttribute(Attributes::ZExt);
- if (!Ty->isPointerTy()) {
+ if (!Ty->isPointerTy())
// Attributes that only apply to pointers.
- Incompatible.addByValAttr();
- Incompatible.addNestAttr();
- Incompatible.addNoAliasAttr();
- Incompatible.addNoCaptureAttr();
- Incompatible.addStructRetAttr();
- }
+ Incompatible.addAttribute(Attributes::ByVal)
+ .addAttribute(Attributes::Nest)
+ .addAttribute(Attributes::NoAlias)
+ .addAttribute(Attributes::NoCapture)
+ .addAttribute(Attributes::StructRet);
return Attributes(Incompatible.Bits); // FIXME: Use Attributes::get().
}
std::string Attributes::getAsString() const {
std::string Result;
- if (hasZExtAttr())
+ if (hasAttribute(Attributes::ZExt))
Result += "zeroext ";
- if (hasSExtAttr())
+ if (hasAttribute(Attributes::SExt))
Result += "signext ";
- if (hasNoReturnAttr())
+ if (hasAttribute(Attributes::NoReturn))
Result += "noreturn ";
- if (hasNoUnwindAttr())
+ if (hasAttribute(Attributes::NoUnwind))
Result += "nounwind ";
- if (hasUWTableAttr())
+ if (hasAttribute(Attributes::UWTable))
Result += "uwtable ";
- if (hasReturnsTwiceAttr())
+ if (hasAttribute(Attributes::ReturnsTwice))
Result += "returns_twice ";
- if (hasInRegAttr())
+ if (hasAttribute(Attributes::InReg))
Result += "inreg ";
- if (hasNoAliasAttr())
+ if (hasAttribute(Attributes::NoAlias))
Result += "noalias ";
- if (hasNoCaptureAttr())
+ if (hasAttribute(Attributes::NoCapture))
Result += "nocapture ";
- if (hasStructRetAttr())
+ if (hasAttribute(Attributes::StructRet))
Result += "sret ";
- if (hasByValAttr())
+ if (hasAttribute(Attributes::ByVal))
Result += "byval ";
- if (hasNestAttr())
+ if (hasAttribute(Attributes::Nest))
Result += "nest ";
- if (hasReadNoneAttr())
+ if (hasAttribute(Attributes::ReadNone))
Result += "readnone ";
- if (hasReadOnlyAttr())
+ if (hasAttribute(Attributes::ReadOnly))
Result += "readonly ";
- if (hasOptimizeForSizeAttr())
+ if (hasAttribute(Attributes::OptimizeForSize))
Result += "optsize ";
- if (hasNoInlineAttr())
+ if (hasAttribute(Attributes::NoInline))
Result += "noinline ";
- if (hasInlineHintAttr())
+ if (hasAttribute(Attributes::InlineHint))
Result += "inlinehint ";
- if (hasAlwaysInlineAttr())
+ if (hasAttribute(Attributes::AlwaysInline))
Result += "alwaysinline ";
- if (hasStackProtectAttr())
+ if (hasAttribute(Attributes::StackProtect))
Result += "ssp ";
- if (hasStackProtectReqAttr())
+ if (hasAttribute(Attributes::StackProtectReq))
Result += "sspreq ";
- if (hasNoRedZoneAttr())
+ if (hasAttribute(Attributes::NoRedZone))
Result += "noredzone ";
- if (hasNoImplicitFloatAttr())
+ if (hasAttribute(Attributes::NoImplicitFloat))
Result += "noimplicitfloat ";
- if (hasNakedAttr())
+ if (hasAttribute(Attributes::Naked))
Result += "naked ";
- if (hasNonLazyBindAttr())
+ if (hasAttribute(Attributes::NonLazyBind))
Result += "nonlazybind ";
- if (hasAddressSafetyAttr())
+ if (hasAttribute(Attributes::AddressSafety))
Result += "address_safety ";
- if (hasStackAlignmentAttr()) {
+ if (hasAttribute(Attributes::StackAlignment)) {
Result += "alignstack(";
Result += utostr(getStackAlignment());
Result += ") ";
}
- if (hasAlignmentAttr()) {
+ if (hasAttribute(Attributes::Alignment)) {
Result += "align ";
Result += utostr(getAlignment());
Result += " ";
// Attributes::Builder Implementation
//===----------------------------------------------------------------------===//
-void Attributes::Builder::addAddressSafetyAttr() {
- Bits |= Attribute::AddressSafety_i;
-}
-void Attributes::Builder::addAlwaysInlineAttr() {
- Bits |= Attribute::AlwaysInline_i;
-}
-void Attributes::Builder::addByValAttr() {
- Bits |= Attribute::ByVal_i;
-}
-void Attributes::Builder::addInlineHintAttr() {
- Bits |= Attribute::InlineHint_i;
-}
-void Attributes::Builder::addInRegAttr() {
- Bits |= Attribute::InReg_i;
-}
-void Attributes::Builder::addNakedAttr() {
- Bits |= Attribute::Naked_i;
-}
-void Attributes::Builder::addNestAttr() {
- Bits |= Attribute::Nest_i;
-}
-void Attributes::Builder::addNoAliasAttr() {
- Bits |= Attribute::NoAlias_i;
-}
-void Attributes::Builder::addNoCaptureAttr() {
- Bits |= Attribute::NoCapture_i;
-}
-void Attributes::Builder::addNoImplicitFloatAttr() {
- Bits |= Attribute::NoImplicitFloat_i;
-}
-void Attributes::Builder::addNoInlineAttr() {
- Bits |= Attribute::NoInline_i;
-}
-void Attributes::Builder::addNonLazyBindAttr() {
- Bits |= Attribute::NonLazyBind_i;
-}
-void Attributes::Builder::addNoRedZoneAttr() {
- Bits |= Attribute::NoRedZone_i;
-}
-void Attributes::Builder::addNoReturnAttr() {
- Bits |= Attribute::NoReturn_i;
-}
-void Attributes::Builder::addNoUnwindAttr() {
- Bits |= Attribute::NoUnwind_i;
-}
-void Attributes::Builder::addOptimizeForSizeAttr() {
- Bits |= Attribute::OptimizeForSize_i;
-}
-void Attributes::Builder::addReadNoneAttr() {
- Bits |= Attribute::ReadNone_i;
-}
-void Attributes::Builder::addReadOnlyAttr() {
- Bits |= Attribute::ReadOnly_i;
-}
-void Attributes::Builder::addReturnsTwiceAttr() {
- Bits |= Attribute::ReturnsTwice_i;
-}
-void Attributes::Builder::addSExtAttr() {
- Bits |= Attribute::SExt_i;
-}
-void Attributes::Builder::addStackProtectAttr() {
- Bits |= Attribute::StackProtect_i;
-}
-void Attributes::Builder::addStackProtectReqAttr() {
- Bits |= Attribute::StackProtectReq_i;
-}
-void Attributes::Builder::addStructRetAttr() {
- Bits |= Attribute::StructRet_i;
-}
-void Attributes::Builder::addUWTableAttr() {
- Bits |= Attribute::UWTable_i;
-}
-void Attributes::Builder::addZExtAttr() {
- Bits |= Attribute::ZExt_i;
+Attributes::Builder &Attributes::Builder::
+addAttribute(Attributes::AttrVal Val) {
+ Bits |= AttributesImpl::getAttrMask(Val);
+ return *this;
}
void Attributes::Builder::addAlignmentAttr(unsigned Align) {
Bits |= (Log2_32(Align) + 1) << 26;
}
+Attributes::Builder &Attributes::Builder::
+removeAttribute(Attributes::AttrVal Val) {
+ Bits &= ~AttributesImpl::getAttrMask(Val);
+ return *this;
+}
+
+void Attributes::Builder::removeAttributes(const Attributes &A) {
+ Bits &= ~A.Raw();
+}
+
+bool Attributes::Builder::hasAttributes() const {
+ return Bits != 0;
+}
+bool Attributes::Builder::hasAttributes(const Attributes &A) const {
+ return Bits & A.Raw();
+}
+bool Attributes::Builder::hasAlignmentAttr() const {
+ return Bits & AttributesImpl::getAttrMask(Attributes::Alignment);
+}
+
+uint64_t Attributes::Builder::getAlignment() const {
+ return 1U <<
+ (((Bits & AttributesImpl::getAttrMask(Attributes::Alignment)) >> 16) - 1);
+}
+
//===----------------------------------------------------------------------===//
// AttributeImpl Definition
//===----------------------------------------------------------------------===//
-Attributes::Attributes(AttributesImpl *A) : Bits(0) {}
+uint64_t AttributesImpl::getAttrMask(uint64_t Val) {
+ switch (Val) {
+ case Attributes::None: return 0;
+ case Attributes::ZExt: return 1 << 0;
+ case Attributes::SExt: return 1 << 1;
+ case Attributes::NoReturn: return 1 << 2;
+ case Attributes::InReg: return 1 << 3;
+ case Attributes::StructRet: return 1 << 4;
+ case Attributes::NoUnwind: return 1 << 5;
+ case Attributes::NoAlias: return 1 << 6;
+ case Attributes::ByVal: return 1 << 7;
+ case Attributes::Nest: return 1 << 8;
+ case Attributes::ReadNone: return 1 << 9;
+ case Attributes::ReadOnly: return 1 << 10;
+ case Attributes::NoInline: return 1 << 11;
+ case Attributes::AlwaysInline: return 1 << 12;
+ case Attributes::OptimizeForSize: return 1 << 13;
+ case Attributes::StackProtect: return 1 << 14;
+ case Attributes::StackProtectReq: return 1 << 15;
+ case Attributes::Alignment: return 31 << 16;
+ case Attributes::NoCapture: return 1 << 21;
+ case Attributes::NoRedZone: return 1 << 22;
+ case Attributes::NoImplicitFloat: return 1 << 23;
+ case Attributes::Naked: return 1 << 24;
+ case Attributes::InlineHint: return 1 << 25;
+ case Attributes::StackAlignment: return 7 << 26;
+ case Attributes::ReturnsTwice: return 1 << 29;
+ case Attributes::UWTable: return 1 << 30;
+ case Attributes::NonLazyBind: return 1U << 31;
+ case Attributes::AddressSafety: return 1ULL << 32;
+ }
+ llvm_unreachable("Unsupported attribute type");
+}
-Attributes Attributes::get(LLVMContext &Context, Attributes::Builder &B) {
- // If there are no attributes, return an empty Attributes class.
- if (B.Bits == 0)
- return Attributes();
+bool AttributesImpl::hasAttribute(uint64_t A) const {
+ return (Bits & getAttrMask(A)) != 0;
+}
- // Otherwise, build a key to look up the existing attributes.
- LLVMContextImpl *pImpl = Context.pImpl;
- FoldingSetNodeID ID;
- ID.AddInteger(B.Bits);
+bool AttributesImpl::hasAttributes() const {
+ return Bits != 0;
+}
- void *InsertPoint;
- AttributesImpl *PA = pImpl->AttrsSet.FindNodeOrInsertPos(ID, InsertPoint);
+bool AttributesImpl::hasAttributes(const Attributes &A) const {
+ return Bits & A.Raw(); // FIXME: Raw() won't work here in the future.
+}
- if (!PA) {
- // If we didn't find any existing attributes of the same shape then create a
- // new one and insert it.
- PA = new AttributesImpl(B.Bits);
- pImpl->AttrsSet.InsertNode(PA, InsertPoint);
- }
+uint64_t AttributesImpl::getAlignment() const {
+ return 1U << (((Bits & getAttrMask(Attributes::Alignment)) >> 16) - 1);
+}
- // Return the AttributesList that we found or created.
- return Attributes(PA);
+uint64_t AttributesImpl::getStackAlignment() const {
+ return 1U << (((Bits & getAttrMask(Attributes::StackAlignment)) >> 26) - 1);
+}
+
+bool AttributesImpl::isEmptyOrSingleton() const {
+ return (Bits & (Bits - 1)) == 0;
}
//===----------------------------------------------------------------------===//
return false;
}
+unsigned AttrListPtr::getNumAttrs() const {
+ return AttrList ? AttrList->Attrs.size() : 0;
+}
+
+Attributes &AttrListPtr::getAttributesAtIndex(unsigned i) const {
+ assert(AttrList && "Trying to get an attribute from an empty list!");
+ assert(i < AttrList->Attrs.size() && "Index out of range!");
+ return AttrList->Attrs[i].Attrs;
+}
AttrListPtr AttrListPtr::addAttr(unsigned Idx, Attributes Attrs) const {
Attributes OldAttrs = getAttributes(Idx);
#ifndef NDEBUG
// FIXME it is not obvious how this should work for alignment.
// For now, say we can't pass in alignment, which no current use does.
- assert(!Attrs.hasAlignmentAttr() && "Attempt to exclude alignment!");
+ assert(!Attrs.hasAttribute(Attributes::Alignment) &&
+ "Attempt to exclude alignment!");
#endif
if (AttrList == 0) return AttrListPtr();
projects / oota-llvm.git / blobdiff