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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
Xinliang David Li ee8d6acb1f [Profile] Fix builtin_expect lowering bug 
The lowerer wrongly assumes the ICMP instruction 
 1) always has a constant operand;
 2) the operand has value 0.

It also assumes the expected value can only be one, thus
other values other than one will be considered 'zero'.

This leads to wrong profile annotation when other integer values
are used other than 0, 1 in the comparison or in the expect intrinsic.

Also missing is handling of equal predicate.

This patch fixes all the above problems.

Differential Revision: http://reviews.llvm.org/D33757

llvm-svn: 304453
 2017-06-01 19:05:55 +00:00