Commit Graph

6 Commits

Author SHA1 Message Date
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00
Eric Christopher a863435128 Temporarily Revert "Add basic loop fusion pass."
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
2019-04-17 02:12:23 +00:00
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