DIBuilder: Delete dead code, NFC

[oota-llvm.git] / include / llvm / IR / Instruction.h

diff --git a/include/llvm/IR/Instruction.h b/include/llvm/IR/Instruction.h
index 3a68ed145304e9b6025104115b58dd62b2f32a98..4a713ef7df15b7bf5c43f400675110306d886fbf 100644 (file)
--- a/include/llvm/IR/Instruction.h
+++ b/include/llvm/IR/Instruction.h
@@ -185,7 +185,7 @@ public:
   /// convenience method for passes to do so.
   void dropUnknownMetadata(ArrayRef<unsigned> KnownIDs);
   void dropUnknownMetadata() {
-    return dropUnknownMetadata(ArrayRef<unsigned>());
+    return dropUnknownMetadata(None);
   }
   void dropUnknownMetadata(unsigned ID1) {
     return dropUnknownMetadata(makeArrayRef(ID1));
@@ -230,11 +230,16 @@ public:
   /// this flag.
   void setHasAllowReciprocal(bool B);
 
-  /// Convenience function for setting all the fast-math flags on this
+  /// Convenience function for setting multiple fast-math flags on this
   /// instruction, which must be an operator which supports these flags. See
-  /// LangRef.html for the meaning of these flats.
+  /// LangRef.html for the meaning of these flags.
   void setFastMathFlags(FastMathFlags FMF);
 
+  /// Convenience function for transferring all fast-math flag values to this
+  /// instruction, which must be an operator which supports these flags. See
+  /// LangRef.html for the meaning of these flags.
+  void copyFastMathFlags(FastMathFlags FMF);
+
   /// Determine whether the unsafe-algebra flag is set.
   bool hasUnsafeAlgebra() const;
 
@@ -252,7 +257,7 @@ public:
 
   /// Convenience function for getting all the fast-math flags, which must be an
   /// operator which supports these flags. See LangRef.html for the meaning of
-  /// these flats.
+  /// these flags.
   FastMathFlags getFastMathFlags() const;
 
   /// Copy I's fast-math flags
@@ -333,6 +338,11 @@ public:
     return mayReadFromMemory() || mayWriteToMemory();
   }
 
+  /// isAtomic - Return true if this instruction has an
+  /// AtomicOrdering of unordered or higher.
+  ///
+  bool isAtomic() const;
+
   /// mayThrow - Return true if this instruction may throw an exception.
   ///
   bool mayThrow() const;