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Author SHA1 Message Date
Nemanja Ivanovic 7855185bbb Revert r304907 as it is causing some failures that I cannot reproduce. 
Reverting this until a test case can be provided to aid the investigation.

llvm-svn: 305372
 2017-06-14 07:05:42 +00:00
Nemanja Ivanovic d8623f0825 [PowerPC] Eliminate integer compare instructions - vol. 5 
Adds handling for i64 SETNE comparison (both sign and zero extended).

Differential Revision: https://reviews.llvm.org/D33720

llvm-svn: 304907
 2017-06-07 13:18:06 +00:00
Nemanja Ivanovic accab033c9 [PowerPC] Eliminate integer compare instructions - vol. 3 
This patch builds upon https://reviews.llvm.org/rL302810 to add
handling for the 64-bit SETEQ patterns.

Differential Revision: https://reviews.llvm.org/D33369

llvm-svn: 304286
 2017-05-31 08:04:07 +00:00
Nemanja Ivanovic e597bd8230 [PowerPC] Eliminate integer compare instructions - vol. 2 
This patch builds upon https://reviews.llvm.org/rL302810 to add
handling for bitwise logical operations in general purpose registers.
The idea is to keep the values in GPRs as long as possible - only
extracting them to a condition register bit when no further operations
are to be done.

Differential Revision: https://reviews.llvm.org/D31851

llvm-svn: 304282
 2017-05-31 05:40:25 +00:00