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3 Commits

Author SHA1 Message Date
Stanislav Mekhanoshin 0846c125f9 [AMDGPU] gfx1010 core wave32 changes 
Differential Revision: https://reviews.llvm.org/D63204

llvm-svn: 363934
 2019-06-20 15:08:34 +00:00
David Stuttard 20ea21c6ed [AMDGPU] Add support for immediate operand for S_ENDPGM 
Summary:
Add support for immediate operand in S_ENDPGM

Change-Id: I0c56a076a10980f719fb2a8f16407e9c301013f6

Reviewers: alexshap

Subscribers: qcolombet, arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, tpr, t-tye, eraman, arphaman, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59213

llvm-svn: 355902
 2019-03-12 09:52:58 +00:00
Stanislav Mekhanoshin e86c8d33b1 [AMDGPU] Optimize S_CBRANCH_VCC[N]Z -> S_CBRANCH_EXEC[N]Z 
Sometimes after basic block placement we end up with a code like:

  sreg = s_mov_b64 -1
  vcc = s_and_b64 exec, sreg
  s_cbranch_vccz

This happens as a join of a block assigning -1 to a saved mask and
another block which consumes that saved mask with s_and_b64 and a
branch.

This is essentially a single s_cbranch_execz instruction when moved
into a single new basic block.

Differential Revision: https://reviews.llvm.org/D54164

llvm-svn: 346690
 2018-11-12 18:48:17 +00:00