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enumerate parameter attr lists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36709 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -12,6 +12,7 @@
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//===----------------------------------------------------------------------===//
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#include "ValueEnumerator.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/Module.h"
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#include "llvm/TypeSymbolTable.h"
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#include "llvm/ValueSymbolTable.h"
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@ -143,8 +144,24 @@ void ValueEnumerator::EnumerateType(const Type *Ty) {
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for (Type::subtype_iterator I = Ty->subtype_begin(), E = Ty->subtype_end();
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I != E; ++I)
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EnumerateType(*I);
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// If this is a function type, enumerate the param attrs.
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if (const FunctionType *FTy = dyn_cast<FunctionType>(Ty))
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EnumerateParamAttrs(FTy->getParamAttrs());
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}
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void ValueEnumerator::EnumerateParamAttrs(const ParamAttrsList *PAL) {
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if (PAL == 0) return; // null is always 0.
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// Do a lookup.
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unsigned &Entry = ParamAttrMap[PAL];
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if (Entry == 0) {
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// Never saw this before, add it.
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ParamAttrs.push_back(PAL);
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Entry = ParamAttrs.size();
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}
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}
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/// PurgeAggregateValues - If there are any aggregate values at the end of the
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/// value list, remove them and return the count of the remaining values. If
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/// there are none, return -1.
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@ -24,6 +24,7 @@ class Value;
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class BasicBlock;
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class Function;
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class Module;
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class ParamAttrsList;
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class TypeSymbolTable;
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class ValueSymbolTable;
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@ -43,6 +44,10 @@ private:
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ValueMapType ValueMap;
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ValueList Values;
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typedef DenseMap<const ParamAttrsList*, unsigned> ParamAttrMapType;
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ParamAttrMapType ParamAttrMap;
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std::vector<const ParamAttrsList*> ParamAttrs;
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/// BasicBlocks - This contains all the basic blocks for the currently
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/// incorporated function. Their reverse mapping is stored in ValueMap.
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std::vector<const BasicBlock*> BasicBlocks;
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@ -69,6 +74,13 @@ public:
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assert(I != TypeMap.end() && "Type not in ValueEnumerator!");
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return I->second-1;
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}
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unsigned getParamAttrID(const ParamAttrsList *PAL) const {
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if (PAL == 0) return 0; // Null maps to zero.
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ParamAttrMapType::const_iterator I = ParamAttrMap.find(PAL);
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assert(I != ParamAttrMap.end() && "ParamAttr not in ValueEnumerator!");
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return I->second;
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}
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/// getFunctionConstantRange - Return the range of values that corresponds to
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/// function-local constants.
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@ -82,6 +94,9 @@ public:
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const std::vector<const BasicBlock*> &getBasicBlocks() const {
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return BasicBlocks;
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}
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const std::vector<const ParamAttrsList*> getParamAttrs() const {
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return ParamAttrs;
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}
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/// PurgeAggregateValues - If there are any aggregate values at the end of the
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/// value list, remove them and return the count of the remaining values. If
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@ -97,6 +112,7 @@ public:
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private:
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void EnumerateValue(const Value *V);
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void EnumerateType(const Type *T);
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void EnumerateParamAttrs(const ParamAttrsList *PAL);
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void EnumerateTypeSymbolTable(const TypeSymbolTable &ST);
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void EnumerateValueSymbolTable(const ValueSymbolTable &ST);
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