#ifndef LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H
#define LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H
+#include "llvm/IR/User.h"
+
namespace llvm {
template<typename T>
class ArrayRef;
const TargetLibraryInfo *TLI = 0,
const DominatorTree *DT = 0);
+ /// Given operands for an FAdd, see if we can fold the result. If not, this
+ /// returns null.
+ Value *SimplifyFAddInst(Value *LHS, Value *RHS, FastMathFlags FMF,
+ const DataLayout *TD = 0,
+ const TargetLibraryInfo *TLI = 0,
+ const DominatorTree *DT = 0);
+
+ /// Given operands for an FSub, see if we can fold the result. If not, this
+ /// returns null.
+ Value *SimplifyFSubInst(Value *LHS, Value *RHS, FastMathFlags FMF,
+ const DataLayout *TD = 0,
+ const TargetLibraryInfo *TLI = 0,
+ const DominatorTree *DT = 0);
+
/// Given operands for an FMul, see if we can fold the result. If not, this
/// returns null.
Value *SimplifyFMulInst(Value *LHS, Value *RHS,
const TargetLibraryInfo *TLI = 0,
const DominatorTree *DT = 0);
+ /// \brief Given a function and iterators over arguments, see if we can fold
+ /// the result.
+ ///
+ /// If this call could not be simplified returns null.
+ Value *SimplifyCall(Value *V, User::op_iterator ArgBegin,
+ User::op_iterator ArgEnd, const DataLayout *TD = 0,
+ const TargetLibraryInfo *TLI = 0,
+ const DominatorTree *DT = 0);
+
+ /// \brief Given a function and set of arguments, see if we can fold the
+ /// result.
+ ///
+ /// If this call could not be simplified returns null.
+ Value *SimplifyCall(Value *V, ArrayRef<Value *> Args,
+ const DataLayout *TD = 0,
+ const TargetLibraryInfo *TLI = 0,
+ const DominatorTree *DT = 0);
+
/// SimplifyInstruction - See if we can compute a simplified version of this
/// instruction. If not, this returns null.
Value *SimplifyInstruction(Instruction *I, const DataLayout *TD = 0,