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7 Commits

Author SHA1 Message Date
Hiroshi Yamauchi
3d6f53018f [PGO] Include the mem ops into the function hash. 
To avoid hash collisions when the only difference is in mem ops.
 2020-07-30 09:26:20 -07:00
Hiroshi Yamauchi
ae7589e1f1 Revert "[PGO] Include the mem ops into the function hash." 
This reverts commit 120e66b3418b37b95fc1dbbb23e296a602a24fa8.

Due to a buildbot failure.
 2020-07-29 15:04:57 -07:00
Hiroshi Yamauchi
120e66b341 [PGO] Include the mem ops into the function hash. 
To avoid hash collisions when the only difference is in mem ops.

Differential Revision: https://reviews.llvm.org/D84782
 2020-07-29 13:59:40 -07:00
Rong Xu
50da55a585 [PGO] Supporting code for always instrumenting entry block 
This patch includes the supporting code that enables always
instrumenting the function entry block by default.

This patch will NOT the default behavior.

It adds a variant bit in the profile version, adds new directives in
text profile format, and changes llvm-profdata tool accordingly.

This patch is a split of D83024 (https://reviews.llvm.org/D83024)
Many test changes from D83024 are also included.

Differential Revision: https://reviews.llvm.org/D84261
 2020-07-22 15:01:53 -07:00
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
Rong Xu
33308f92eb [PGO] Fix select instruction annotation 
Summary:
Select instruction annotation in IR PGO uses the edge count to infer the
branch count. It's currently placed in setInstrumentedCounts() where
no all the BB counts have been computed. This leads to wrong branch weights.
Move the annotation after all BB counts are populated.

Reviewers: davidxl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25961

llvm-svn: 285128
 2016-10-25 21:47:24 +00:00