Rather than having special rules like "intrinsics cannot
throw exceptions", just mark intrinsics with the nounwind
attribute.  Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 2d18468..54a5f42 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1551,7 +1551,7 @@
   
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
     // Don't print declarations for intrinsic functions.
-    if (!I->getIntrinsicID() && I->getName() != "setjmp" && 
+    if (!I->isIntrinsic() && I->getName() != "setjmp" &&
         I->getName() != "longjmp" && I->getName() != "_setjmp") {
       if (I->hasExternalWeakLinkage())
         Out << "extern ";