Add a bunch more X86 AVX2 instructions and their corresponding intrinsics.

[oota-llvm.git] / include / llvm / CodeGen / SlotIndexes.h

diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h
index 33ce675e5cc49e9d9617fef6ce4333453c7dd1b0..2d98864dc9ed04eaf82733a37830aeb2d2b50390 100644 (file)
--- a/include/llvm/CodeGen/SlotIndexes.h
+++ b/include/llvm/CodeGen/SlotIndexes.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements SlotIndex and related classes. The purpuse of SlotIndex
+// This file implements SlotIndex and related classes. The purpose of SlotIndex
 // is to describe a position at which a register can become live, or cease to
 // be live.
 //
@@ -140,6 +140,9 @@ namespace llvm {
       return lie.getPointer();
     }
 
+    /// Return true for a valid index.
+    operator bool() const { return isValid(); }
+
     /// Print this index to the given raw_ostream.
     void print(raw_ostream &os) const;