Replace TargetInstrInfo::CanBeDuplicated() with a M_NOT_DUPLICABLE bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37643 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/Target/Target.td b/lib/Target/Target.td
index 4babef1574..43e3af8667 100644
--- a/lib/Target/Target.td
+++ b/lib/Target/Target.td
@@ -193,6 +193,7 @@ class Instruction {
   bit hasCtrlDep   = 0;     // Does this instruction r/w ctrl-flow chains?
   bit noResults    = 0;     // Does this instruction produce no results?
   bit clobbersPred = 0;     // Does it clobbers condition code / predicate?
+  bit isNotDuplicable = 0;  // Is it unsafe to duplicate this instruction?
   
   InstrItinClass Itinerary = NoItinerary;// Execution steps used for scheduling.