[WinEH] Make funclet return instrs pseudo instrs

This makes catchret look more like a branch, and less like a weird use
of BlockAddress. It also lets us get away from
llvm.x86.seh.restoreframe, which relies on the old parentfpoffset label
arithmetic.

llvm-svn: 247936

1 files changed, 0 insertions, 9 deletions

diff --git a/llvm/lib/Target/X86/X86WinEHState.cpp b/llvm/lib/Target/X86/X86WinEHState.cpp
index d148be6..3a73338 100644
--- a/llvm/lib/Target/X86/X86WinEHState.cpp
+++ b/llvm/lib/Target/X86/X86WinEHState.cpp
@@ -500,15 +500,6 @@ void WinEHStatePass::addStateStoresToFunclet(Value *ParentRegNode,
         insertStateNumberStore(ParentRegNode, II, State);
       }
     }
-
-    // Insert calls to llvm.x86.seh.restoreframe at catchret destinations.  In
-    // SEH, insert them before the catchret.
-    // FIXME: We should probably do this as part of catchret lowering in the
-    // DAG.
-    if (auto *CR = dyn_cast<CatchReturnInst>(BB.getTerminator()))
-      insertRestoreFrame(Personality == EHPersonality::MSVC_X86SEH
-                             ? CR->getParent()
-                             : CR->getSuccessor());
   }
 }