[WinEH] Add llvm.eh.exceptionpointer intrinsic

Description

[WinEH] Add llvm.eh.exceptionpointer intrinsic

Summary:
This intrinsic can be used to extract a pointer to the exception caught by
a given catchpad. Its argument has token type and must be a catchpad.

Also clarify ExtendingLLVM documentation regarding overloaded intrinsics.

Reviewers: majnemer, andrew.w.kaylor, sanjoy, rnk

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D12533

Details

Committed
josephtSep 3 2015, 2:15 AM
Differential Revision
D12533: [WinEH] Add llvm.eh.exceptionpointer intrinsic
Parents
rL246751: [WinEH] Add cleanupendpad instruction
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