4 Commits

Author	SHA1	Message	Date
Michael Kuperstein	e45d4d9b35	[PM] Port LowerGuardIntrinsic to the new PM. ... llvm-svn: 277057	2016-07-28 22:08:41 +00:00
Sanjoy Das	fd67038c8b	[Guards] Add branch metadata when lowering ... Guards are expected to basically never fail. Reflect this in the branch probabilities in their lowered form. llvm-svn: 269791	2016-05-17 17:51:19 +00:00
Sanjoy Das	47cf2affbd	[LowerGuardIntrinsics] Keep track of !make.implicit metadata ... If a guard call being lowered by LowerGuardIntrinsics has the `!make.implicit` metadata attached, then reattach the metadata to the branch in the resulting expanded form of the intrinsic. This allows us to implement null checks as guards and still get the benefit of implicit null checks. llvm-svn: 268148	2016-04-30 00:55:59 +00:00
Sanjoy Das	021de058df	Introduce a @llvm.experimental.guard intrinsic ... Summary: As discussed on llvm-dev[1]. This change adds the basic boilerplate code around having this intrinsic in LLVM: - Changes in Intrinsics.td, and the IR Verifier - A lowering pass to lower @llvm.experimental.guard to normal control flow - Inliner support [1]: http://lists.llvm.org/pipermail/llvm-dev/2016-February/095523.html Reviewers: reames, atrick, chandlerc, rnk, JosephTremoulet, echristo Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D18527 llvm-svn: 264976	2016-03-31 00:18:46 +00:00