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3 Commits

Author SHA1 Message Date
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 a72fad980c [Hexagon] Replace instruction definitions with auto-generated ones 
llvm-svn: 294753
 2017-02-10 15:33:13 +00:00
Krzysztof Parzyszek 3d9946eb23 [Hexagon] Fixes for new-value jump formation 
- Recognize C2_cmpgtui, S2_tstbit_i, and S4_ntstbit_i.
- Avoid creating new-value instructions with both source operands equal.

llvm-svn: 279286
 2016-08-19 17:54:49 +00:00