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4 Commits

Author SHA1 Message Date
Alexander Timofeev 982aee6a38 [AMDGPU] Switch scalarize global loads ON by default 
Differential revision: https://reviews.llvm.org/D34407

llvm-svn: 307097
 2017-07-04 17:32:00 +00:00
Stanislav Mekhanoshin d445455643 [AMDGPU] Add pattern for v_alignbit_b32 with immediate 
If immediate in shift is less than 32 we can use alignbit too.

Differential Revision: https://reviews.llvm.org/D34729

llvm-svn: 306500
 2017-06-28 02:52:39 +00:00
Stanislav Mekhanoshin eb40733bf0 Allow to truncate left shift with non-constant shift amount 
That is pretty common for clang to produce code like
(shl %x, (and %amt, 31)). In this situation we can still perform
trunc (shl) into shl (trunc) conversion given the known value
range of shift amount.

Differential Revision: https://reviews.llvm.org/D34723

llvm-svn: 306499
 2017-06-28 02:37:11 +00:00
Stanislav Mekhanoshin e8bf6c9629 [AMDGPU] Add 2 new alignbit patterns 
Differential Revision: https://reviews.llvm.org/D34655

llvm-svn: 306449
 2017-06-27 19:10:47 +00:00