Rename isNoReturn to doesNotReturn, and isNoUnwind to
doesNotThrow.

llvm-svn: 45160
diff --git a/llvm/lib/VMCore/Instructions.cpp b/llvm/lib/VMCore/Instructions.cpp
index 6c8a072..3531bad 100644
--- a/llvm/lib/VMCore/Instructions.cpp
+++ b/llvm/lib/VMCore/Instructions.cpp
@@ -65,11 +65,11 @@
   else
     return cast<InvokeInst>(I)->onlyReadsMemory();
 }
-bool CallSite::isNoUnwind() const {
+bool CallSite::doesNotThrow() const {
   if (CallInst *CI = dyn_cast<CallInst>(I))
-    return CI->isNoUnwind();
+    return CI->doesNotThrow();
   else
-    return cast<InvokeInst>(I)->isNoUnwind();
+    return cast<InvokeInst>(I)->doesNotThrow();
 }
 
 //===----------------------------------------------------------------------===//