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Author SHA1 Message Date
Kazushi (Jam) Marukawa 686988a50f [VE] Optimize prologue/epilogue instructions 
Optimize eliminate FP mechanism.  This time optimize a function which has
no call but fixed stack objects.  LLVM eliminates FP on such functions now.
Also, optimize GOT/PLT registers save/restore instructions if a given
function doesn't uses them.  In addition, remove generating mechanism of
`.cfi` instructions since those are taken from other architectures and not
inspected yet.  Update regression tests, also.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D92251
 2020-11-30 22:22:33 +09:00
Kazushi (Jam) Marukawa 44a4f93925 [VE] Optimize leaf functions 
Optimize leaf functions by not generating save/restore for callee saved
registers.  Update regression tests also.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D91539
 2020-11-17 00:38:01 +09:00
Simon Moll 1943b7f15d [VE][NFC] move scalar tests to Scalar/ 
Restructure lit tests to follow downstream

Reviewed By: kaz7

Differential Revision: https://reviews.llvm.org/D90468
 2020-10-30 16:44:32 +01:00