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6 Commits

Author SHA1 Message Date
Sanjoy Das
0b1bc70dbf [FaultMaps] Add statistic to count the # of implicit null checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241521 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-06 23:32:10 +00:00
Sanjoy Das
e1e95c11b8 [FaultMaps] Let the frontend pre-select implicit null check candidates. 
Summary:
This change introduces a !make.implicit metadata that allows the
frontend to pre-select the set of explicit null checks that will be
considered for transformation into implicit null checks.

The reason for not using profiling data instead of !make.implicit is
explained in the change to `FaultMaps.rst`.

Reviewers: atrick, reames, pgavlin, JosephTremoulet

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10824

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241116 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-30 21:22:32 +00:00
Alexander Kornienko
cd52a7a381 Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 
Apparently, the style needs to be agreed upon first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-23 09:49:53 +00:00
Alexander Kornienko
cf0db29df2 Fixed/added namespace ending comments using clang-tidy. NFC 
The patch is generated using this command:

tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \
  -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \
  llvm/lib/


Thanks to Eugene Kosov for the original patch!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240137 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-19 15:57:42 +00:00
Eric Christopher
933d2bd391 Fix "the the" in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240112 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-19 01:53:21 +00:00
Sanjoy Das
8d5b28507b [CodeGen] Add a pass to fold null checks into nearby memory operations. 
Summary:
This change adds an "ImplicitNullChecks" target dependent pass.  This
pass folds null checks into memory operation using the FAULTING_LOAD
pseudo-op introduced in previous patches.

Depends on D10197
Depends on D10199
Depends on D10200

Reviewers: reames, rnk, pgavlin, JosephTremoulet, atrick

Reviewed By: atrick

Subscribers: ab, JosephTremoulet, llvm-commits

Differential Revision: http://reviews.llvm.org/D10201

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239743 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-15 18:44:27 +00:00