Kazushi (Jam) Marukawa f92e0d9384 [VE] Optimize trunc related instructions
Change to not generate truncate instructions if all use of a truncate
operation don't care about higher bits.  For example, an i32 add
instruction doesn't care about higher 32 bits in 64 bit registers.
Updates regression tests also.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D85418
2020-08-07 09:21:05 +09:00
..
2020-05-27 10:11:06 +02:00
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