X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FTargetFolder.h;h=a02db2fe66681e7c0efa092dd0a7525ed83758fe;hb=5df15c692b944b6c46ec6d532fc286b7e0000d5d;hp=80ab900efa6e19ed91caba014272bb6e2e2bc42f;hpb=e56a94ef91009ddb8d8b68783ff1650bcad3b326;p=oota-llvm.git

diff --git a/include/llvm/Support/TargetFolder.h b/include/llvm/Support/TargetFolder.h
index 80ab900efa6..a02db2fe666 100644
--- a/include/llvm/Support/TargetFolder.h
+++ b/include/llvm/Support/TargetFolder.h
@@ -20,63 +20,59 @@
 #define LLVM_SUPPORT_TARGETFOLDER_H
 
 #include "llvm/Constants.h"
+#include "llvm/InstrTypes.h"
+#include "llvm/ADT/ArrayRef.h"
 #include "llvm/Analysis/ConstantFolding.h"
 
 namespace llvm {
 
 class TargetData;
-class LLVMContext;
 
 /// TargetFolder - Create constants with target dependent folding.
 class TargetFolder {
   const TargetData *TD;
-  LLVMContext &Context;
 
   /// Fold - Fold the constant using target specific information.
   Constant *Fold(Constant *C) const {
     if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
-      if (Constant *CF = ConstantFoldConstantExpression(CE, Context, TD))
+      if (Constant *CF = ConstantFoldConstantExpression(CE, TD))
         return CF;
     return C;
   }
 
 public:
-  explicit TargetFolder(const TargetData *TheTD, LLVMContext &C) :
-    TD(TheTD), Context(C) {}
+  explicit TargetFolder(const TargetData *TheTD) : TD(TheTD) {}
 
   //===--------------------------------------------------------------------===//
   // Binary Operators
   //===--------------------------------------------------------------------===//
 
-  Constant *CreateAdd(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getAdd(LHS, RHS));
-  }
-  Constant *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getAdd(LHS, RHS));
+  Constant *CreateAdd(Constant *LHS, Constant *RHS,
+                      bool HasNUW = false, bool HasNSW = false) const {
+    return Fold(ConstantExpr::getAdd(LHS, RHS, HasNUW, HasNSW));
   }
   Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFAdd(LHS, RHS));
   }
-  Constant *CreateSub(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getSub(LHS, RHS));
+  Constant *CreateSub(Constant *LHS, Constant *RHS,
+                      bool HasNUW = false, bool HasNSW = false) const {
+    return Fold(ConstantExpr::getSub(LHS, RHS, HasNUW, HasNSW));
   }
   Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFSub(LHS, RHS));
   }
-  Constant *CreateMul(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getMul(LHS, RHS));
+  Constant *CreateMul(Constant *LHS, Constant *RHS,
+                      bool HasNUW = false, bool HasNSW = false) const {
+    return Fold(ConstantExpr::getMul(LHS, RHS, HasNUW, HasNSW));
   }
   Constant *CreateFMul(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFMul(LHS, RHS));
   }
-  Constant *CreateUDiv(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getUDiv(LHS, RHS));
-  }
-  Constant *CreateSDiv(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getSDiv(LHS, RHS));
+  Constant *CreateUDiv(Constant *LHS, Constant *RHS, bool isExact = false)const{
+    return Fold(ConstantExpr::getUDiv(LHS, RHS, isExact));
   }
-  Constant *CreateExactSDiv(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getSDiv(LHS, RHS));
+  Constant *CreateSDiv(Constant *LHS, Constant *RHS, bool isExact = false)const{
+    return Fold(ConstantExpr::getSDiv(LHS, RHS, isExact));
   }
   Constant *CreateFDiv(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFDiv(LHS, RHS));
@@ -90,14 +86,15 @@ public:
   Constant *CreateFRem(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFRem(LHS, RHS));
   }
-  Constant *CreateShl(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getShl(LHS, RHS));
+  Constant *CreateShl(Constant *LHS, Constant *RHS,
+                      bool HasNUW = false, bool HasNSW = false) const {
+    return Fold(ConstantExpr::getShl(LHS, RHS, HasNUW, HasNSW));
   }
-  Constant *CreateLShr(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getLShr(LHS, RHS));
+  Constant *CreateLShr(Constant *LHS, Constant *RHS, bool isExact = false)const{
+    return Fold(ConstantExpr::getLShr(LHS, RHS, isExact));
   }
-  Constant *CreateAShr(Constant *LHS, Constant *RHS) const {
-    return Fold(ConstantExpr::getAShr(LHS, RHS));
+  Constant *CreateAShr(Constant *LHS, Constant *RHS, bool isExact = false)const{
+    return Fold(ConstantExpr::getAShr(LHS, RHS, isExact));
   }
   Constant *CreateAnd(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getAnd(LHS, RHS));
@@ -118,8 +115,9 @@ public:
   // Unary Operators
   //===--------------------------------------------------------------------===//
 
-  Constant *CreateNeg(Constant *C) const {
-    return Fold(ConstantExpr::getNeg(C));
+  Constant *CreateNeg(Constant *C,
+                      bool HasNUW = false, bool HasNSW = false) const {
+    return Fold(ConstantExpr::getNeg(C, HasNUW, HasNSW));
   }
   Constant *CreateFNeg(Constant *C) const {
     return Fold(ConstantExpr::getFNeg(C));
@@ -132,22 +130,34 @@ public:
   // Memory Instructions
   //===--------------------------------------------------------------------===//
 
-  Constant *CreateGetElementPtr(Constant *C, Constant* const *IdxList,
-                                unsigned NumIdx) const {
-    return Fold(ConstantExpr::getGetElementPtr(C, IdxList, NumIdx));
+  Constant *CreateGetElementPtr(Constant *C,
+                                ArrayRef<Constant *> IdxList) const {
+    return Fold(ConstantExpr::getGetElementPtr(C, IdxList));
+  }
+  Constant *CreateGetElementPtr(Constant *C, Constant *Idx) const {
+    // This form of the function only exists to avoid ambiguous overload
+    // warnings about whether to convert Idx to ArrayRef<Constant *> or
+    // ArrayRef<Value *>.
+    return Fold(ConstantExpr::getGetElementPtr(C, Idx));
   }
-  Constant *CreateGetElementPtr(Constant *C, Value* const *IdxList,
-                                unsigned NumIdx) const {
-    return Fold(ConstantExpr::getGetElementPtr(C, IdxList, NumIdx));
+  Constant *CreateGetElementPtr(Constant *C,
+                                ArrayRef<Value *> IdxList) const {
+    return Fold(ConstantExpr::getGetElementPtr(C, IdxList));
   }
 
-  Constant *CreateInBoundsGetElementPtr(Constant *C, Constant* const *IdxList,
-                                        unsigned NumIdx) const {
-    return Fold(ConstantExpr::getGetElementPtr(C, IdxList, NumIdx));
+  Constant *CreateInBoundsGetElementPtr(Constant *C,
+                                        ArrayRef<Constant *> IdxList) const {
+    return Fold(ConstantExpr::getInBoundsGetElementPtr(C, IdxList));
   }
-  Constant *CreateInBoundsGetElementPtr(Constant *C, Value* const *IdxList,
-                                        unsigned NumIdx) const {
-    return Fold(ConstantExpr::getGetElementPtr(C, IdxList, NumIdx));
+  Constant *CreateInBoundsGetElementPtr(Constant *C, Constant *Idx) const {
+    // This form of the function only exists to avoid ambiguous overload
+    // warnings about whether to convert Idx to ArrayRef<Constant *> or
+    // ArrayRef<Value *>.
+    return Fold(ConstantExpr::getInBoundsGetElementPtr(C, Idx));
+  }
+  Constant *CreateInBoundsGetElementPtr(Constant *C,
+                                        ArrayRef<Value *> IdxList) const {
+    return Fold(ConstantExpr::getInBoundsGetElementPtr(C, IdxList));
   }
 
   //===--------------------------------------------------------------------===//
@@ -155,28 +165,47 @@ public:
   //===--------------------------------------------------------------------===//
 
   Constant *CreateCast(Instruction::CastOps Op, Constant *C,
-                       const Type *DestTy) const {
+                       Type *DestTy) const {
     if (C->getType() == DestTy)
       return C; // avoid calling Fold
     return Fold(ConstantExpr::getCast(Op, C, DestTy));
   }
-  Constant *CreateIntCast(Constant *C, const Type *DestTy,
+  Constant *CreateIntCast(Constant *C, Type *DestTy,
                           bool isSigned) const {
     if (C->getType() == DestTy)
       return C; // avoid calling Fold
     return Fold(ConstantExpr::getIntegerCast(C, DestTy, isSigned));
   }
-
-  Constant *CreateBitCast(Constant *C, const Type *DestTy) const {
+  Constant *CreatePointerCast(Constant *C, Type *DestTy) const {
+    if (C->getType() == DestTy)
+      return C; // avoid calling Fold
+    return Fold(ConstantExpr::getPointerCast(C, DestTy));
+  }
+  Constant *CreateFPCast(Constant *C, Type *DestTy) const {
+    if (C->getType() == DestTy)
+      return C; // avoid calling Fold
+    return Fold(ConstantExpr::getFPCast(C, DestTy));
+  }
+  Constant *CreateBitCast(Constant *C, Type *DestTy) const {
     return CreateCast(Instruction::BitCast, C, DestTy);
   }
-  Constant *CreateIntToPtr(Constant *C, const Type *DestTy) const {
+  Constant *CreateIntToPtr(Constant *C, Type *DestTy) const {
     return CreateCast(Instruction::IntToPtr, C, DestTy);
   }
-  Constant *CreatePtrToInt(Constant *C, const Type *DestTy) const {
+  Constant *CreatePtrToInt(Constant *C, Type *DestTy) const {
     return CreateCast(Instruction::PtrToInt, C, DestTy);
   }
-  Constant *CreateTruncOrBitCast(Constant *C, const Type *DestTy) const {
+  Constant *CreateZExtOrBitCast(Constant *C, Type *DestTy) const {
+    if (C->getType() == DestTy)
+      return C; // avoid calling Fold
+    return Fold(ConstantExpr::getZExtOrBitCast(C, DestTy));
+  }
+  Constant *CreateSExtOrBitCast(Constant *C, Type *DestTy) const {
+    if (C->getType() == DestTy)
+      return C; // avoid calling Fold
+    return Fold(ConstantExpr::getSExtOrBitCast(C, DestTy));
+  }
+  Constant *CreateTruncOrBitCast(Constant *C, Type *DestTy) const {
     if (C->getType() == DestTy)
       return C; // avoid calling Fold
     return Fold(ConstantExpr::getTruncOrBitCast(C, DestTy));
@@ -217,14 +246,14 @@ public:
     return Fold(ConstantExpr::getShuffleVector(V1, V2, Mask));
   }
 
-  Constant *CreateExtractValue(Constant *Agg, const unsigned *IdxList,
-                               unsigned NumIdx) const {
-    return Fold(ConstantExpr::getExtractValue(Agg, IdxList, NumIdx));
+  Constant *CreateExtractValue(Constant *Agg,
+                               ArrayRef<unsigned> IdxList) const {
+    return Fold(ConstantExpr::getExtractValue(Agg, IdxList));
   }
 
   Constant *CreateInsertValue(Constant *Agg, Constant *Val,
-                              const unsigned *IdxList, unsigned NumIdx) const {
-    return Fold(ConstantExpr::getInsertValue(Agg, Val, IdxList, NumIdx));
+                              ArrayRef<unsigned> IdxList) const {
+    return Fold(ConstantExpr::getInsertValue(Agg, Val, IdxList));
   }
 };