From 49ff8a76d02f1c5f8da7cd2675be191c7be109c4 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Fri, 25 Feb 2011 07:13:35 +0000
Subject: [PATCH] Update the NoFolder to work with current IRBuilder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126479 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Support/NoFolder.h | 72 ++++++++++++++++++++++++---------
 1 file changed, 52 insertions(+), 20 deletions(-)

diff --git a/include/llvm/Support/NoFolder.h b/include/llvm/Support/NoFolder.h
index d7b5b42924c..92a9fd695e5 100644
--- a/include/llvm/Support/NoFolder.h
+++ b/include/llvm/Support/NoFolder.h
@@ -38,8 +38,12 @@ public:
   // Binary Operators
   //===--------------------------------------------------------------------===//
 
-  Instruction *CreateAdd(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateAdd(LHS, RHS);
+  Instruction *CreateAdd(Constant *LHS, Constant *RHS,
+                         bool HasNUW = false, bool HasNSW = false) const {
+    BinaryOperator *BO = BinaryOperator::CreateAdd(LHS, RHS);
+    if (HasNUW) BO->setHasNoUnsignedWrap();
+    if (HasNSW) BO->setHasNoSignedWrap();
+    return BO;
   }
   Instruction *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateNSWAdd(LHS, RHS);
@@ -50,8 +54,12 @@ public:
   Instruction *CreateFAdd(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFAdd(LHS, RHS);
   }
-  Instruction *CreateSub(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateSub(LHS, RHS);
+  Instruction *CreateSub(Constant *LHS, Constant *RHS,
+                         bool HasNUW = false, bool HasNSW = false) const {
+    BinaryOperator *BO = BinaryOperator::CreateSub(LHS, RHS);
+    if (HasNUW) BO->setHasNoUnsignedWrap();
+    if (HasNSW) BO->setHasNoSignedWrap();
+    return BO;
   }
   Instruction *CreateNSWSub(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateNSWSub(LHS, RHS);
@@ -62,8 +70,12 @@ public:
   Instruction *CreateFSub(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFSub(LHS, RHS);
   }
-  Instruction *CreateMul(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateMul(LHS, RHS);
+  Instruction *CreateMul(Constant *LHS, Constant *RHS,
+                         bool HasNUW = false, bool HasNSW = false) const {
+    BinaryOperator *BO = BinaryOperator::CreateMul(LHS, RHS);
+    if (HasNUW) BO->setHasNoUnsignedWrap();
+    if (HasNSW) BO->setHasNoSignedWrap();
+    return BO;
   }
   Instruction *CreateNSWMul(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateNSWMul(LHS, RHS);
@@ -74,14 +86,20 @@ public:
   Instruction *CreateFMul(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFMul(LHS, RHS);
   }
-  Instruction *CreateUDiv(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateUDiv(LHS, RHS);
+  Instruction *CreateUDiv(Constant *LHS, Constant *RHS,
+                          bool isExact = false) const {
+    if (!isExact)
+      return BinaryOperator::CreateUDiv(LHS, RHS);
+    return BinaryOperator::CreateExactUDiv(LHS, RHS);
   }
   Instruction *CreateExactUDiv(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateExactUDiv(LHS, RHS);
   }
-  Instruction *CreateSDiv(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateSDiv(LHS, RHS);
+  Instruction *CreateSDiv(Constant *LHS, Constant *RHS,
+                          bool isExact = false) const {
+    if (!isExact)
+      return BinaryOperator::CreateSDiv(LHS, RHS);
+    return BinaryOperator::CreateExactSDiv(LHS, RHS);
   }
   Instruction *CreateExactSDiv(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateExactSDiv(LHS, RHS);
@@ -98,14 +116,24 @@ public:
   Instruction *CreateFRem(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFRem(LHS, RHS);
   }
-  Instruction *CreateShl(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateShl(LHS, RHS);
-  }
-  Instruction *CreateLShr(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateLShr(LHS, RHS);
-  }
-  Instruction *CreateAShr(Constant *LHS, Constant *RHS) const {
-    return BinaryOperator::CreateAShr(LHS, RHS);
+  Instruction *CreateShl(Constant *LHS, Constant *RHS, bool HasNUW = false,
+                         bool HasNSW = false) const {
+    BinaryOperator *BO = BinaryOperator::CreateShl(LHS, RHS);
+    if (HasNUW) BO->setHasNoUnsignedWrap();
+    if (HasNSW) BO->setHasNoSignedWrap();
+    return BO;
+  }
+  Instruction *CreateLShr(Constant *LHS, Constant *RHS,
+                          bool isExact = false) const {
+    if (!isExact)
+      return BinaryOperator::CreateLShr(LHS, RHS);
+    return BinaryOperator::CreateExactLShr(LHS, RHS);
+  }
+  Instruction *CreateAShr(Constant *LHS, Constant *RHS,
+                          bool isExact = false) const {
+    if (!isExact)
+      return BinaryOperator::CreateAShr(LHS, RHS);
+    return BinaryOperator::CreateExactAShr(LHS, RHS);
   }
   Instruction *CreateAnd(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateAnd(LHS, RHS);
@@ -126,8 +154,12 @@ public:
   // Unary Operators
   //===--------------------------------------------------------------------===//
 
-  Instruction *CreateNeg(Constant *C) const {
-    return BinaryOperator::CreateNeg(C);
+  Instruction *CreateNeg(Constant *C,
+                         bool HasNUW = false, bool HasNSW = false) const {
+    BinaryOperator *BO = BinaryOperator::CreateNeg(C);
+    if (HasNUW) BO->setHasNoUnsignedWrap();
+    if (HasNSW) BO->setHasNoSignedWrap();
+    return BO;
   }
   Instruction *CreateNSWNeg(Constant *C) const {
     return BinaryOperator::CreateNSWNeg(C);
-- 
2.34.1