Make isSafeToSpeculativelyExecute() return the right answer for some new instructions...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138962 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index f54cec11e2e3f3fa1d6d33ce9933143fda4e8e72..73191c19658cc0e77d3f7ca53ef9fd856ec3ec33 100644 (file)
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -436,6 +436,10 @@ bool Instruction::isSafeToSpeculativelyExecute() const {
   case Unwind:
   case Unreachable:
   case Fence:
+  case LandingPad:
+  case AtomicRMW:
+  case AtomicCmpXchg:
+  case Resume:
     return false; // Misc instructions which have effects
   }
 }