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4 Commits

Author SHA1 Message Date
Krzysztof Parzyszek 1387f96ab3 [Hexagon] Handle widening of vector truncate 2020-09-05 15:07:38 -05:00
Krzysztof Parzyszek d91a9e27a9 [Hexagon] Simplify CFG after atomic expansion 
This will remove suboptimal branching from the generated ll/sc loops.
The extra simplification pass affects a lot of testcases, which have
been modified to accommodate this change: either by modifying the
test to become immune to the CFG simplification, or (less preferablt)
by adding option -hexagon-initial-cfg-clenaup=0.

llvm-svn: 338774
 2018-08-02 22:17:53 +00:00
Krzysztof Parzyszek cf3ad5841b [Hexagon] Run late copy propagation and dead code elimination passes 
llvm-svn: 323346
 2018-01-24 17:48:11 +00:00
Krzysztof Parzyszek f9d01a12d1 [Hexagon] Add patterns for truncating HVX vector types 
Only non-bool vectors.

llvm-svn: 321895
 2018-01-05 20:48:03 +00:00