Fix indent and remove unneeded #includes in MDBuilder.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172115 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak
2013-01-10 22:00:36 +00:00
parent 446991dc34
commit 244b7a4ba6

View File

@@ -15,148 +15,149 @@
#ifndef LLVM_IR_MDBUILDER_H #ifndef LLVM_IR_MDBUILDER_H
#define LLVM_IR_MDBUILDER_H #define LLVM_IR_MDBUILDER_H
#include "llvm/ADT/APInt.h"
#include "llvm/IR/Constants.h" #include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h" #include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Metadata.h" #include "llvm/IR/Metadata.h"
namespace llvm { namespace llvm {
class MDBuilder { class APInt;
LLVMContext &Context; class LLVMContext;
public: class MDBuilder {
MDBuilder(LLVMContext &context) : Context(context) {} LLVMContext &Context;
/// \brief Return the given string as metadata. public:
MDString *createString(StringRef Str) { MDBuilder(LLVMContext &context) : Context(context) {}
return MDString::get(Context, Str);
} /// \brief Return the given string as metadata.
MDString *createString(StringRef Str) {
//===------------------------------------------------------------------===// return MDString::get(Context, Str);
// FPMath metadata. }
//===------------------------------------------------------------------===//
//===------------------------------------------------------------------===//
/// \brief Return metadata with the given settings. The special value 0.0 // FPMath metadata.
/// for the Accuracy parameter indicates the default (maximal precision) //===------------------------------------------------------------------===//
/// setting.
MDNode *createFPMath(float Accuracy) { /// \brief Return metadata with the given settings. The special value 0.0
if (Accuracy == 0.0) /// for the Accuracy parameter indicates the default (maximal precision)
return 0; /// setting.
assert(Accuracy > 0.0 && "Invalid fpmath accuracy!"); MDNode *createFPMath(float Accuracy) {
Value *Op = ConstantFP::get(Type::getFloatTy(Context), Accuracy); if (Accuracy == 0.0)
return MDNode::get(Context, Op); return 0;
} assert(Accuracy > 0.0 && "Invalid fpmath accuracy!");
Value *Op = ConstantFP::get(Type::getFloatTy(Context), Accuracy);
//===------------------------------------------------------------------===// return MDNode::get(Context, Op);
// Prof metadata. }
//===------------------------------------------------------------------===//
//===------------------------------------------------------------------===//
/// \brief Return metadata containing two branch weights. // Prof metadata.
MDNode *createBranchWeights(uint32_t TrueWeight, uint32_t FalseWeight) { //===------------------------------------------------------------------===//
uint32_t Weights[] = { TrueWeight, FalseWeight };
return createBranchWeights(Weights); /// \brief Return metadata containing two branch weights.
} MDNode *createBranchWeights(uint32_t TrueWeight, uint32_t FalseWeight) {
uint32_t Weights[] = { TrueWeight, FalseWeight };
/// \brief Return metadata containing a number of branch weights. return createBranchWeights(Weights);
MDNode *createBranchWeights(ArrayRef<uint32_t> Weights) { }
assert(Weights.size() >= 2 && "Need at least two branch weights!");
/// \brief Return metadata containing a number of branch weights.
SmallVector<Value *, 4> Vals(Weights.size()+1); MDNode *createBranchWeights(ArrayRef<uint32_t> Weights) {
Vals[0] = createString("branch_weights"); assert(Weights.size() >= 2 && "Need at least two branch weights!");
Type *Int32Ty = Type::getInt32Ty(Context); SmallVector<Value *, 4> Vals(Weights.size()+1);
for (unsigned i = 0, e = Weights.size(); i != e; ++i) Vals[0] = createString("branch_weights");
Vals[i+1] = ConstantInt::get(Int32Ty, Weights[i]);
Type *Int32Ty = Type::getInt32Ty(Context);
return MDNode::get(Context, Vals); for (unsigned i = 0, e = Weights.size(); i != e; ++i)
} Vals[i+1] = ConstantInt::get(Int32Ty, Weights[i]);
//===------------------------------------------------------------------===// return MDNode::get(Context, Vals);
// Range metadata. }
//===------------------------------------------------------------------===//
//===------------------------------------------------------------------===//
/// \brief Return metadata describing the range [Lo, Hi). // Range metadata.
MDNode *createRange(const APInt &Lo, const APInt &Hi) { //===------------------------------------------------------------------===//
assert(Lo.getBitWidth() == Hi.getBitWidth() && "Mismatched bitwidths!");
// If the range is everything then it is useless. /// \brief Return metadata describing the range [Lo, Hi).
if (Hi == Lo) MDNode *createRange(const APInt &Lo, const APInt &Hi) {
return 0; assert(Lo.getBitWidth() == Hi.getBitWidth() && "Mismatched bitwidths!");
// If the range is everything then it is useless.
// Return the range [Lo, Hi). if (Hi == Lo)
Type *Ty = IntegerType::get(Context, Lo.getBitWidth()); return 0;
Value *Range[2] = { ConstantInt::get(Ty, Lo), ConstantInt::get(Ty, Hi) };
return MDNode::get(Context, Range); // Return the range [Lo, Hi).
} Type *Ty = IntegerType::get(Context, Lo.getBitWidth());
Value *Range[2] = { ConstantInt::get(Ty, Lo), ConstantInt::get(Ty, Hi) };
return MDNode::get(Context, Range);
//===------------------------------------------------------------------===// }
// TBAA metadata.
//===------------------------------------------------------------------===//
//===------------------------------------------------------------------===//
/// \brief Return metadata appropriate for a TBAA root node. Each returned // TBAA metadata.
/// node is distinct from all other metadata and will never be identified //===------------------------------------------------------------------===//
/// (uniqued) with anything else.
MDNode *createAnonymousTBAARoot() { /// \brief Return metadata appropriate for a TBAA root node. Each returned
// To ensure uniqueness the root node is self-referential. /// node is distinct from all other metadata and will never be identified
MDNode *Dummy = MDNode::getTemporary(Context, ArrayRef<Value*>()); /// (uniqued) with anything else.
MDNode *Root = MDNode::get(Context, Dummy); MDNode *createAnonymousTBAARoot() {
// At this point we have // To ensure uniqueness the root node is self-referential.
// !0 = metadata !{} <- dummy MDNode *Dummy = MDNode::getTemporary(Context, ArrayRef<Value*>());
// !1 = metadata !{metadata !0} <- root MDNode *Root = MDNode::get(Context, Dummy);
// Replace the dummy operand with the root node itself and delete the dummy. // At this point we have
Root->replaceOperandWith(0, Root); // !0 = metadata !{} <- dummy
MDNode::deleteTemporary(Dummy); // !1 = metadata !{metadata !0} <- root
// We now have // Replace the dummy operand with the root node itself and delete the dummy.
// !1 = metadata !{metadata !1} <- self-referential root Root->replaceOperandWith(0, Root);
return Root; MDNode::deleteTemporary(Dummy);
} // We now have
// !1 = metadata !{metadata !1} <- self-referential root
/// \brief Return metadata appropriate for a TBAA root node with the given return Root;
/// name. This may be identified (uniqued) with other roots with the same }
/// name.
MDNode *createTBAARoot(StringRef Name) { /// \brief Return metadata appropriate for a TBAA root node with the given
return MDNode::get(Context, createString(Name)); /// name. This may be identified (uniqued) with other roots with the same
} /// name.
MDNode *createTBAARoot(StringRef Name) {
/// \brief Return metadata for a non-root TBAA node with the given name, return MDNode::get(Context, createString(Name));
/// parent in the TBAA tree, and value for 'pointsToConstantMemory'. }
MDNode *createTBAANode(StringRef Name, MDNode *Parent,
bool isConstant = false) { /// \brief Return metadata for a non-root TBAA node with the given name,
if (isConstant) { /// parent in the TBAA tree, and value for 'pointsToConstantMemory'.
Constant *Flags = ConstantInt::get(Type::getInt64Ty(Context), 1); MDNode *createTBAANode(StringRef Name, MDNode *Parent,
Value *Ops[3] = { createString(Name), Parent, Flags }; bool isConstant = false) {
return MDNode::get(Context, Ops); if (isConstant) {
} else { Constant *Flags = ConstantInt::get(Type::getInt64Ty(Context), 1);
Value *Ops[2] = { createString(Name), Parent }; Value *Ops[3] = { createString(Name), Parent, Flags };
return MDNode::get(Context, Ops); return MDNode::get(Context, Ops);
} } else {
} Value *Ops[2] = { createString(Name), Parent };
return MDNode::get(Context, Ops);
struct TBAAStructField {
uint64_t Offset;
uint64_t Size;
MDNode *TBAA;
TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *TBAA) :
Offset(Offset), Size(Size), TBAA(TBAA) {}
};
/// \brief Return metadata for a tbaa.struct node with the given
/// struct field descriptions.
MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields) {
SmallVector<Value *, 4> Vals(Fields.size() * 3);
Type *Int64 = IntegerType::get(Context, 64);
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
Vals[i * 3 + 0] = ConstantInt::get(Int64, Fields[i].Offset);
Vals[i * 3 + 1] = ConstantInt::get(Int64, Fields[i].Size);
Vals[i * 3 + 2] = Fields[i].TBAA;
}
return MDNode::get(Context, Vals);
} }
}
struct TBAAStructField {
uint64_t Offset;
uint64_t Size;
MDNode *TBAA;
TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *TBAA) :
Offset(Offset), Size(Size), TBAA(TBAA) {}
}; };
/// \brief Return metadata for a tbaa.struct node with the given
/// struct field descriptions.
MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields) {
SmallVector<Value *, 4> Vals(Fields.size() * 3);
Type *Int64 = IntegerType::get(Context, 64);
for (unsigned i = 0, e = Fields.size(); i != e; ++i) {
Vals[i * 3 + 0] = ConstantInt::get(Int64, Fields[i].Offset);
Vals[i * 3 + 1] = ConstantInt::get(Int64, Fields[i].Size);
Vals[i * 3 + 2] = Fields[i].TBAA;
}
return MDNode::get(Context, Vals);
}
};
} // end namespace llvm } // end namespace llvm
#endif #endif