Don't insert stackrestore on deoptimizing returns

They're not necessary (since the stack pointer is trivially restored on
return), and the way LLVM inserts the stackrestore calls breaks the
IR (we get a stackrestore between the deoptimize call and the return).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265101 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed