Calls and invokes with the new clang.arc.no_objc_arc_exceptions

metadata may still unwind, but only in ways that the ARC
optimizer doesn't need to consider. This permits more
aggressive optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150829 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/Support/CFG.h b/include/llvm/Support/CFG.h
index 6e354f9..f5dc8ea 100644
--- a/include/llvm/Support/CFG.h
+++ b/include/llvm/Support/CFG.h
@@ -71,6 +71,12 @@ public:
   unsigned getOperandNo() const {
     return It.getOperandNo();
   }
+
+  /// getUse - Return the operand Use in the predecessor's terminator
+  /// of the successor.
+  Use &getUse() const {
+    return It.getUse();
+  }
 };
 
 typedef PredIterator<BasicBlock, Value::use_iterator> pred_iterator;