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10 Commits

Author SHA1 Message Date
Matt Arsenault 0084adc516 AMDGPU: Add Vega12 and Vega20 
Changes by
  Matt Arsenault
  Konstantin Zhuravlyov

llvm-svn: 331215
 2018-04-30 19:08:16 +00:00
Matt Arsenault 878827d93a DAG: Fold fma (fneg x), K, y -> fma x, -K, y 
llvm-svn: 316753
 2017-10-27 09:06:07 +00:00
Matt Arsenault 6c29c5acfe AMDGPU: Allow SIShrinkInstructions to work in non-SSA 
Immediates can be folded as long as the immediate is a vreg.

Also undo commuting instructions if it didn't fold an immediate.

llvm-svn: 307575
 2017-07-10 19:53:57 +00:00
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
NAKAMURA Takumi e4a741376b Revert r307026, "[AMDGPU] Switch scalarize global loads ON by default" 
It broke a testcase.

  Failing Tests (1):
      LLVM :: CodeGen/AMDGPU/alignbit-pat.ll

llvm-svn: 307054
 2017-07-04 02:14:18 +00:00
Alexander Timofeev ea7f08bee5 [AMDGPU] Switch scalarize global loads ON by default 
Differential revision: https://reviews.llvm.org/D34407

llvm-svn: 307026
 2017-07-03 14:54:11 +00:00
Chad Rosier 84a238dd62 [DAGCombine] Transform (fadd A, (fmul B, -2.0)) -> (fsub A, (fadd B, B)). 
Differential Revision: http://reviews.llvm.org/D32596

llvm-svn: 302153
 2017-05-04 14:14:44 +00:00
Matt Arsenault 3dbeefa978 AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel 
Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.

Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).

llvm-svn: 298444
 2017-03-21 21:39:51 +00:00
Matt Arsenault e7d8ed32f9 AMDGPU: Swap order of operands in fadd/fsub combine 
FMA is canonicalized to constant in the middle operand. Do
the same so fmad matches and avoid an extra combine step.

llvm-svn: 290313
 2016-12-22 04:03:40 +00:00
Matt Arsenault 770ec8680a AMDGPU: Form more FMAs if fusion is allowed 
Extend the existing fadd/fsub->fmad combines to produce
FMA if allowed.

llvm-svn: 290311
 2016-12-22 03:55:35 +00:00