- Add "Commutative" property to intrinsics. This allows tblgen to generate the commuted variants for dagisel matching code.

- Mark lots of X86 intrinsics as "Commutative" to allow load folding.

llvm-svn: 52353

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenIntrinsics.h b/llvm/utils/TableGen/CodeGenIntrinsics.h
index a66c30b6cb8..4de93864a8a 100644
--- a/llvm/utils/TableGen/CodeGenIntrinsics.h
+++ b/llvm/utils/TableGen/CodeGenIntrinsics.h
@@ -49,6 +49,10 @@ namespace llvm {
     // types.
     bool isOverloaded;
 
+    // isCommutative - True if the intrinsic is commutative.
+    //
+    bool isCommutative;
+
     CodeGenIntrinsic(Record *R);
   };