From: Duncan Sands <baldrick@free.fr>
Date: Wed, 13 Aug 2008 08:56:48 +0000 (+0000)
Subject: Rename this, in case people think that NullFolder
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=9d8658a1292c1674f4968700b91e5a3b5ee3bf4e;p=oota-llvm.git

Rename this, in case people think that NullFolder
has something to do with folding null values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54725 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Support/NoFolder.h b/include/llvm/Support/NoFolder.h
new file mode 100644
index 00000000000..f4bec629617
--- /dev/null
+++ b/include/llvm/Support/NoFolder.h
@@ -0,0 +1,178 @@
+//======-- llvm/Support/NoFolder.h - Constant folding helper -*- C++ -*-======//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the NoFolder class, a helper for IRBuilder.  It provides
+// IRBuilder with a set of methods for creating unfolded constants.  This is
+// useful for learners trying to understand how LLVM IR works, and who don't
+// want details to be hidden by the constant folder.  For general constant
+// creation and folding, use ConstantExpr and the routines in
+// llvm/Analysis/ConstantFolding.h.
+//
+// Note: since it is not actually possible to create unfolded constants, this
+// class returns values rather than constants.  The values do not have names,
+// even if names were provided to IRBuilder, which may be confusing.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_NULLFOLDER_H
+#define LLVM_SUPPORT_NULLFOLDER_H
+
+#include "llvm/Constants.h"
+#include "llvm/Instructions.h"
+
+namespace llvm {
+
+/// NoFolder - Create "constants" (actually, values) with no folding.
+class NoFolder {
+public:
+
+  //===--------------------------------------------------------------------===//
+  // Binary Operators
+  //===--------------------------------------------------------------------===//
+
+  Value *CreateAdd(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateAdd(LHS, RHS);
+  }
+  Value *CreateSub(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateSub(LHS, RHS);
+  }
+  Value *CreateMul(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateMul(LHS, RHS);
+  }
+  Value *CreateUDiv(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateUDiv(LHS, RHS);
+  }
+  Value *CreateSDiv(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateSDiv(LHS, RHS);
+  }
+  Value *CreateFDiv(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateFDiv(LHS, RHS);
+  }
+  Value *CreateURem(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateURem(LHS, RHS);
+  }
+  Value *CreateSRem(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateSRem(LHS, RHS);
+  }
+  Value *CreateFRem(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateFRem(LHS, RHS);
+  }
+  Value *CreateShl(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateShl(LHS, RHS);
+  }
+  Value *CreateLShr(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateLShr(LHS, RHS);
+  }
+  Value *CreateAShr(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateAShr(LHS, RHS);
+  }
+  Value *CreateAnd(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateAnd(LHS, RHS);
+  }
+  Value *CreateOr(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateOr(LHS, RHS);
+  }
+  Value *CreateXor(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateXor(LHS, RHS);
+  }
+
+  Value *CreateBinOp(Instruction::BinaryOps Opc,
+                     Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::Create(Opc, LHS, RHS);
+  }
+
+  //===--------------------------------------------------------------------===//
+  // Unary Operators
+  //===--------------------------------------------------------------------===//
+
+  Value *CreateNeg(Constant *C) const {
+    return BinaryOperator::CreateNeg(C);
+  }
+  Value *CreateNot(Constant *C) const {
+    return BinaryOperator::CreateNot(C);
+  }
+
+  //===--------------------------------------------------------------------===//
+  // Memory Instructions
+  //===--------------------------------------------------------------------===//
+
+  Constant *CreateGetElementPtr(Constant *C, Constant* const *IdxList,
+                                unsigned NumIdx) const {
+    return ConstantExpr::getGetElementPtr(C, IdxList, NumIdx);
+  }
+  Value *CreateGetElementPtr(Constant *C, Value* const *IdxList,
+                             unsigned NumIdx) const {
+    return GetElementPtrInst::Create(C, IdxList, IdxList+NumIdx);
+  }
+
+  //===--------------------------------------------------------------------===//
+  // Cast/Conversion Operators
+  //===--------------------------------------------------------------------===//
+
+  Value *CreateCast(Instruction::CastOps Op, Constant *C,
+                    const Type *DestTy) const {
+    return CastInst::Create(Op, C, DestTy);
+  }
+  Value *CreateIntCast(Constant *C, const Type *DestTy,
+                       bool isSigned) const {
+    return CastInst::CreateIntegerCast(C, DestTy, isSigned);
+  }
+
+  //===--------------------------------------------------------------------===//
+  // Compare Instructions
+  //===--------------------------------------------------------------------===//
+
+  Value *CreateICmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
+    return new ICmpInst(P, LHS, RHS);
+  }
+  Value *CreateFCmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
+    return new FCmpInst(P, LHS, RHS);
+  }
+  Value *CreateVICmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
+    return new VICmpInst(P, LHS, RHS);
+  }
+  Value *CreateVFCmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
+    return new VFCmpInst(P, LHS, RHS);
+  }
+
+  //===--------------------------------------------------------------------===//
+  // Other Instructions
+  //===--------------------------------------------------------------------===//
+
+  Value *CreateSelect(Constant *C, Constant *True, Constant *False) const {
+    return SelectInst::Create(C, True, False);
+  }
+
+  Value *CreateExtractElement(Constant *Vec, Constant *Idx) const {
+    return new ExtractElementInst(Vec, Idx);
+  }
+
+  Value *CreateInsertElement(Constant *Vec, Constant *NewElt,
+                             Constant *Idx) const {
+    return InsertElementInst::Create(Vec, NewElt, Idx);
+  }
+
+  Value *CreateShuffleVector(Constant *V1, Constant *V2, Constant *Mask) const {
+    return new ShuffleVectorInst(V1, V2, Mask);
+  }
+
+  Value *CreateExtractValue(Constant *Agg, const unsigned *IdxList,
+                            unsigned NumIdx) const {
+    return ExtractValueInst::Create(Agg, IdxList, IdxList+NumIdx);
+  }
+
+  Value *CreateInsertValue(Constant *Agg, Constant *Val,
+                           const unsigned *IdxList, unsigned NumIdx) const {
+    return InsertValueInst::Create(Agg, Val, IdxList, IdxList+NumIdx);
+  }
+};
+
+}
+
+#endif
diff --git a/include/llvm/Support/NullFolder.h b/include/llvm/Support/NullFolder.h
deleted file mode 100644
index 634d38eb6a0..00000000000
--- a/include/llvm/Support/NullFolder.h
+++ /dev/null
@@ -1,178 +0,0 @@
-//=====-- llvm/Support/NullFolder.h - Constant folding helper -*- C++ -*-=====//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the NullFolder class, a helper for IRBuilder.  It provides
-// IRBuilder with a set of methods for creating unfolded constants.  This is
-// useful for learners trying to understand how LLVM IR works, and who don't
-// want details to be hidden by the constant folder.  For general constant
-// creation and folding, use ConstantExpr and the routines in
-// llvm/Analysis/ConstantFolding.h.
-//
-// Note: since it is not actually possible to create unfolded constants, this
-// class returns values rather than constants.  The values do not have names,
-// even if names were provided to IRBuilder, which may be confusing.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_NULLFOLDER_H
-#define LLVM_SUPPORT_NULLFOLDER_H
-
-#include "llvm/Constants.h"
-#include "llvm/Instructions.h"
-
-namespace llvm {
-
-/// NullFolder - Create "constants" (actually, values) with no folding.
-class NullFolder {
-public:
-
-  //===--------------------------------------------------------------------===//
-  // Binary Operators
-  //===--------------------------------------------------------------------===//
-
-  Value *CreateAdd(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateAdd(LHS, RHS);
-  }
-  Value *CreateSub(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateSub(LHS, RHS);
-  }
-  Value *CreateMul(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateMul(LHS, RHS);
-  }
-  Value *CreateUDiv(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateUDiv(LHS, RHS);
-  }
-  Value *CreateSDiv(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateSDiv(LHS, RHS);
-  }
-  Value *CreateFDiv(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateFDiv(LHS, RHS);
-  }
-  Value *CreateURem(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateURem(LHS, RHS);
-  }
-  Value *CreateSRem(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateSRem(LHS, RHS);
-  }
-  Value *CreateFRem(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateFRem(LHS, RHS);
-  }
-  Value *CreateShl(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateShl(LHS, RHS);
-  }
-  Value *CreateLShr(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateLShr(LHS, RHS);
-  }
-  Value *CreateAShr(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateAShr(LHS, RHS);
-  }
-  Value *CreateAnd(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateAnd(LHS, RHS);
-  }
-  Value *CreateOr(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateOr(LHS, RHS);
-  }
-  Value *CreateXor(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateXor(LHS, RHS);
-  }
-
-  Value *CreateBinOp(Instruction::BinaryOps Opc,
-                     Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::Create(Opc, LHS, RHS);
-  }
-
-  //===--------------------------------------------------------------------===//
-  // Unary Operators
-  //===--------------------------------------------------------------------===//
-
-  Value *CreateNeg(Constant *C) const {
-    return BinaryOperator::CreateNeg(C);
-  }
-  Value *CreateNot(Constant *C) const {
-    return BinaryOperator::CreateNot(C);
-  }
-
-  //===--------------------------------------------------------------------===//
-  // Memory Instructions
-  //===--------------------------------------------------------------------===//
-
-  Constant *CreateGetElementPtr(Constant *C, Constant* const *IdxList,
-                                unsigned NumIdx) const {
-    return ConstantExpr::getGetElementPtr(C, IdxList, NumIdx);
-  }
-  Value *CreateGetElementPtr(Constant *C, Value* const *IdxList,
-                             unsigned NumIdx) const {
-    return GetElementPtrInst::Create(C, IdxList, IdxList+NumIdx);
-  }
-
-  //===--------------------------------------------------------------------===//
-  // Cast/Conversion Operators
-  //===--------------------------------------------------------------------===//
-
-  Value *CreateCast(Instruction::CastOps Op, Constant *C,
-                    const Type *DestTy) const {
-    return CastInst::Create(Op, C, DestTy);
-  }
-  Value *CreateIntCast(Constant *C, const Type *DestTy,
-                       bool isSigned) const {
-    return CastInst::CreateIntegerCast(C, DestTy, isSigned);
-  }
-
-  //===--------------------------------------------------------------------===//
-  // Compare Instructions
-  //===--------------------------------------------------------------------===//
-
-  Value *CreateICmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
-    return new ICmpInst(P, LHS, RHS);
-  }
-  Value *CreateFCmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
-    return new FCmpInst(P, LHS, RHS);
-  }
-  Value *CreateVICmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
-    return new VICmpInst(P, LHS, RHS);
-  }
-  Value *CreateVFCmp(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
-    return new VFCmpInst(P, LHS, RHS);
-  }
-
-  //===--------------------------------------------------------------------===//
-  // Other Instructions
-  //===--------------------------------------------------------------------===//
-
-  Value *CreateSelect(Constant *C, Constant *True, Constant *False) const {
-    return SelectInst::Create(C, True, False);
-  }
-
-  Value *CreateExtractElement(Constant *Vec, Constant *Idx) const {
-    return new ExtractElementInst(Vec, Idx);
-  }
-
-  Value *CreateInsertElement(Constant *Vec, Constant *NewElt,
-                             Constant *Idx) const {
-    return InsertElementInst::Create(Vec, NewElt, Idx);
-  }
-
-  Value *CreateShuffleVector(Constant *V1, Constant *V2, Constant *Mask) const {
-    return new ShuffleVectorInst(V1, V2, Mask);
-  }
-
-  Value *CreateExtractValue(Constant *Agg, const unsigned *IdxList,
-                            unsigned NumIdx) const {
-    return ExtractValueInst::Create(Agg, IdxList, IdxList+NumIdx);
-  }
-
-  Value *CreateInsertValue(Constant *Agg, Constant *Val,
-                           const unsigned *IdxList, unsigned NumIdx) const {
-    return InsertValueInst::Create(Agg, Val, IdxList, IdxList+NumIdx);
-  }
-};
-
-}
-
-#endif