tree fe25d7653064ae39e7ced06178c635729ad69db8
parent 3cf84d2ef25860cc8175a30c1209bb664bd9be11
author Alex Bradbury <asb@lowrisc.org> 1553251162 +0000
committer Alex Bradbury <asb@lowrisc.org> 1553251162 +0000

[RISCV] Allow conversion of CC logic to bitwise logic

Indicates in the TargetLowering interface that conversions from CC logic to
bitwise logic are allowed. Adds tests that show the benefit when optimization
opportunities are detected. Also adds tests that show that when the optimization
is not applied correct code is generated (but opportunities for other
optimizations remain).

Differential Revision: https://reviews.llvm.org/D59596
Patch by Luís Marques.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356740 91177308-0d34-0410-b5e6-96231b3b80d8