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4 Commits

Author SHA1 Message Date
Carl Ritson
fb4b457dbd [AMDGPU] Move kill lowering to WQM pass and add live mask tracking 
Move implementation of kill intrinsics to WQM pass. Add live lane
tracking by updating a stored exec mask when lanes are killed.
Use live lane tracking to enable early termination of shader
at any point in control flow.

Reviewed By: piotr

Differential Revision: https://reviews.llvm.org/D94746
 2021-02-11 20:31:29 +09:00
Matt Arsenault
6c48c02faf AMDGPU/GlobalISel: Select llvm.amdgcn.wqm.vote 2020-01-07 10:15:29 -05:00
Matt Arsenault
f4454532b0 AMDGPU: Remove llvm.AMDGPU.kill 
This is the last of the old AMDGPU intrinsics.

llvm-svn: 348615
 2018-12-07 17:46:16 +00:00
Marek Olsak
68ff4e0dd2 AMDGPU: Add llvm.amdgcn.wqm.vote intrinsic 
Reviewers: arsenm, nhaehnle

Subscribers: kzhuravl, wdng, yaxunl, dstuttard, tpr, t-tye

Differential Revision: https://reviews.llvm.org/D38543

llvm-svn: 316426
 2017-10-24 10:26:59 +00:00