[PATCH] D12533: [WinEH] Add llvm.eh.padparam intrinsic

[Joseph Tremoulet via llvm-commits]

JosephTremoulet created this revision.
JosephTremoulet added reviewers: rnk, majnemer, andrew.w.kaylor.
JosephTremoulet added a subscriber: llvm-commits.

This intrinsic can be used to extract a value from a catchpad/cleanuppad
(such as an exception code or a pointer to a caught exception).  The
argument and return types are personality-specific except that the first
argument must have token type (and be a catchpad or cleanuppad).

Also clarify ExtendingLLVM documentation regarding overloaded intrinsics.


http://reviews.llvm.org/D12533

Files:
  docs/ExceptionHandling.rst
  docs/ExtendingLLVM.rst
  include/llvm/IR/Intrinsics.td
  test/CodeGen/WinEH/wineh-intrinsics.ll

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