Now that we have the ReturnsTwice function attribute, this method is

obsolete. Check the attribute instead.
<rdar://problem/8031714>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142212 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 40 deletions

diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 1215e6a57c..975ec83b4d 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -411,44 +411,4 @@ bool Function::hasAddressTaken(const User* *PutOffender) const {
   return false;
 }
 
-/// callsFunctionThatReturnsTwice - Return true if the function has a call to
-/// setjmp or other function that gcc recognizes as "returning twice".
-///
-/// FIXME: Remove after <rdar://problem/8031714> is fixed.
-/// FIXME: Is the above FIXME valid?
-bool Function::callsFunctionThatReturnsTwice() const {
-  static const char *const ReturnsTwiceFns[] = {
-    "_setjmp",
-    "setjmp",
-    "sigsetjmp",
-    "setjmp_syscall",
-    "savectx",
-    "qsetjmp",
-    "vfork",
-    "getcontext"
-  };
-
-  for (const_inst_iterator I = inst_begin(this), E = inst_end(this); I != E;
-       ++I) {
-    const CallInst* callInst = dyn_cast<CallInst>(&*I);
-    if (!callInst)
-      continue;
-    if (callInst->canReturnTwice())
-      return true;
-
-    // check for known function names.
-    // FIXME: move this to clang.
-    Function *F = callInst->getCalledFunction();
-    if (!F)
-      continue;
-    StringRef Name = F->getName();
-    for (unsigned J = 0, e = array_lengthof(ReturnsTwiceFns); J != e; ++J) {
-      if (Name == ReturnsTwiceFns[J])
-        return true;
-    }
-  }
-
-  return false;
-}
-
 // vim: sw=2 ai