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4 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