X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FConstantFolding.h;h=541a2109af6cde4a5ddd83422e34c51a29fd49b0;hp=12e623ea9be4aeec6c126711c3cdf996f96e6a3d;hb=529919ff310cbfce1ba55ea252ff738d5b56b93d;hpb=3574eca1b02600bac4e625297f4ecf745f4c4f32

diff --git a/include/llvm/Analysis/ConstantFolding.h b/include/llvm/Analysis/ConstantFolding.h
index 12e623ea9be..541a2109af6 100644
--- a/include/llvm/Analysis/ConstantFolding.h
+++ b/include/llvm/Analysis/ConstantFolding.h
@@ -1,4 +1,4 @@
-//===-- ConstantFolding.h - Fold instructions into constants --------------===//
+//===-- ConstantFolding.h - Fold instructions into constants ----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -36,35 +36,35 @@ namespace llvm {
 /// Note that this fails if not all of the operands are constant.  Otherwise,
 /// this function can only fail when attempting to fold instructions like loads
 /// and stores, which have no constant expression form.
-Constant *ConstantFoldInstruction(Instruction *I, const DataLayout *TD = 0,
-                                  const TargetLibraryInfo *TLI = 0);
+  Constant *ConstantFoldInstruction(Instruction *I, const DataLayout &DL,
+                                    const TargetLibraryInfo *TLI = nullptr);
 
 /// ConstantFoldConstantExpression - Attempt to fold the constant expression
 /// using the specified DataLayout.  If successful, the constant result is
 /// result is returned, if not, null is returned.
-Constant *ConstantFoldConstantExpression(const ConstantExpr *CE,
-                                         const DataLayout *TD = 0,
-                                         const TargetLibraryInfo *TLI = 0);
+  Constant *
+  ConstantFoldConstantExpression(const ConstantExpr *CE, const DataLayout &DL,
+                                 const TargetLibraryInfo *TLI = nullptr);
 
 /// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
 /// specified operands.  If successful, the constant result is returned, if not,
-/// null is returned.  Note that this function can fail when attempting to 
-/// fold instructions like loads and stores, which have no constant expression 
+/// null is returned.  Note that this function can fail when attempting to
+/// fold instructions like loads and stores, which have no constant expression
 /// form.
 ///
-Constant *ConstantFoldInstOperands(unsigned Opcode, Type *DestTy,
-                                   ArrayRef<Constant *> Ops,
-                                   const DataLayout *TD = 0,
-                                   const TargetLibraryInfo *TLI = 0);
+  Constant *ConstantFoldInstOperands(unsigned Opcode, Type *DestTy,
+                                     ArrayRef<Constant *> Ops,
+                                     const DataLayout &DL,
+                                     const TargetLibraryInfo *TLI = nullptr);
 
 /// ConstantFoldCompareInstOperands - Attempt to constant fold a compare
 /// instruction (icmp/fcmp) with the specified operands.  If it fails, it
 /// returns a constant expression of the specified operands.
 ///
-Constant *ConstantFoldCompareInstOperands(unsigned Predicate,
-                                          Constant *LHS, Constant *RHS,
-                                          const DataLayout *TD = 0,
-                                          const TargetLibraryInfo *TLI = 0);
+  Constant *
+  ConstantFoldCompareInstOperands(unsigned Predicate, Constant *LHS,
+                                  Constant *RHS, const DataLayout &DL,
+                                  const TargetLibraryInfo *TLI = nullptr);
 
 /// ConstantFoldInsertValueInstruction - Attempt to constant fold an insertvalue
 /// instruction with the specified operands and indices.  The constant result is
@@ -75,7 +75,7 @@ Constant *ConstantFoldInsertValueInstruction(Constant *Agg, Constant *Val,
 /// ConstantFoldLoadFromConstPtr - Return the value that a load from C would
 /// produce if it is constant and determinable.  If this is not determinable,
 /// return null.
-Constant *ConstantFoldLoadFromConstPtr(Constant *C, const DataLayout *TD = 0);
+Constant *ConstantFoldLoadFromConstPtr(Constant *C, const DataLayout &DL);
 
 /// ConstantFoldLoadThroughGEPConstantExpr - Given a constant and a
 /// getelementptr constantexpr, return the constant value being addressed by the
@@ -96,7 +96,7 @@ bool canConstantFoldCallTo(const Function *F);
 /// ConstantFoldCall - Attempt to constant fold a call to the specified function
 /// with the specified arguments, returning null if unsuccessful.
 Constant *ConstantFoldCall(Function *F, ArrayRef<Constant *> Operands,
-                           const TargetLibraryInfo *TLI = 0);
+                           const TargetLibraryInfo *TLI = nullptr);
 }
 
 #endif