Add constraints to Instruction class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31332 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Target.td b/lib/Target/Target.td
index bb87265be3b0d8b11a999963ed36f56b82b12833..573050dafd54ed776e319d5903a19b240ff50fb3 100644 (file)
--- a/lib/Target/Target.td
+++ b/lib/Target/Target.td
@@ -171,6 +171,8 @@ class Instruction {
   bit noResults    = 0;     // Does this instruction produce no results?
   
   InstrItinClass Itinerary = NoItinerary;// Execution steps used for scheduling.
+
+  string Constraints = "";
 }
 
 /// Imp - Helper class for specifying the implicit uses/defs set for an