Clarify assertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19597 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 3c377ee142d712ccdc4526fbb010d286096fb451..d71eb7e433cf104a4b98f200d31746870f6bbe43 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -388,7 +388,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
       break;
     }
     case Promote:
-      assert(0 && "Don't know what it means to promote this!");
+      assert(0 && "CopyToReg should not require promotion!");
       abort();
     }
     break;