[llvm-commits] [llvm] r82862 - in /llvm/trunk: include/llvm/Constants.h include/llvm/Support/ConstantFolder.h include/llvm/Support/NoFolder.h include/llvm/Support/TargetFolder.h lib/VMCore/Constants.cpp

[Duncan Sands]

Author: baldrick
Date: Sat Sep 26 10:35:35 2009
New Revision: 82862

URL: http://llvm.org/viewvc/llvm-project?rev=82862&view=rev
Log:
For the NSWSub support in the builder to actually be useable,
there need to be corresponding changes to the constant folders,
done in this patch.

Modified:
    llvm/trunk/include/llvm/Constants.h
    llvm/trunk/include/llvm/Support/ConstantFolder.h
    llvm/trunk/include/llvm/Support/NoFolder.h
    llvm/trunk/include/llvm/Support/TargetFolder.h
    llvm/trunk/lib/VMCore/Constants.cpp

Modified: llvm/trunk/include/llvm/Constants.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Constants.h?rev=82862&r1=82861&r2=82862&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Constants.h (original)
+++ llvm/trunk/include/llvm/Constants.h Sat Sep 26 10:35:35 2009
@@ -654,6 +654,7 @@
   static Constant *getBitCast (Constant *C, const Type *Ty);
 
   static Constant* getNSWAdd(Constant* C1, Constant* C2);
+  static Constant* getNSWSub(Constant* C1, Constant* C2);
   static Constant* getExactSDiv(Constant* C1, Constant* C2);
 
   /// Transparently provide more efficient getOperand methods.

Modified: llvm/trunk/include/llvm/Support/ConstantFolder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/ConstantFolder.h?rev=82862&r1=82861&r2=82862&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/ConstantFolder.h (original)
+++ llvm/trunk/include/llvm/Support/ConstantFolder.h Sat Sep 26 10:35:35 2009
@@ -44,6 +44,9 @@
   Constant *CreateSub(Constant *LHS, Constant *RHS) const {
     return ConstantExpr::getSub(LHS, RHS);
   }
+  Constant *CreateNSWSub(Constant *LHS, Constant *RHS) const {
+    return ConstantExpr::getNSWSub(LHS, RHS);
+  }
   Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
     return ConstantExpr::getFSub(LHS, RHS);
   }

Modified: llvm/trunk/include/llvm/Support/NoFolder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/NoFolder.h?rev=82862&r1=82861&r2=82862&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/NoFolder.h (original)
+++ llvm/trunk/include/llvm/Support/NoFolder.h Sat Sep 26 10:35:35 2009
@@ -51,6 +51,9 @@
   Value *CreateSub(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateSub(LHS, RHS);
   }
+  Value *CreateNSWSub(Constant *LHS, Constant *RHS) const {
+    return BinaryOperator::CreateNSWSub(LHS, RHS);
+  }
   Value *CreateFSub(Constant *LHS, Constant *RHS) const {
     return BinaryOperator::CreateFSub(LHS, RHS);
   }

Modified: llvm/trunk/include/llvm/Support/TargetFolder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/TargetFolder.h?rev=82862&r1=82861&r2=82862&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/TargetFolder.h (original)
+++ llvm/trunk/include/llvm/Support/TargetFolder.h Sat Sep 26 10:35:35 2009
@@ -60,6 +60,9 @@
   Constant *CreateSub(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getSub(LHS, RHS));
   }
+  Constant *CreateNSWSub(Constant *LHS, Constant *RHS) const {
+    return Fold(ConstantExpr::getNSWSub(LHS, RHS));
+  }
   Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
     return Fold(ConstantExpr::getFSub(LHS, RHS));
   }

Modified: llvm/trunk/lib/VMCore/Constants.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Constants.cpp?rev=82862&r1=82861&r2=82862&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Constants.cpp (original)
+++ llvm/trunk/lib/VMCore/Constants.cpp Sat Sep 26 10:35:35 2009
@@ -643,6 +643,11 @@
                OverflowingBinaryOperator::NoSignedWrap);
 }
 
+Constant* ConstantExpr::getNSWSub(Constant* C1, Constant* C2) {
+  return getTy(C1->getType(), Instruction::Sub, C1, C2,
+               OverflowingBinaryOperator::NoSignedWrap);
+}
+
 Constant* ConstantExpr::getExactSDiv(Constant* C1, Constant* C2) {
   return getTy(C1->getType(), Instruction::SDiv, C1, C2,
                SDivOperator::IsExact);