Nicolai Hähnle ab2f610f38 AMDGPU: llvm.amdgcn.writelane is a source of divergence ... Summary: Consider: %r = call i32 @llvm.amdgcn.writelane(i32 0, i32 1, i32 2) This produces a value that is 0 on lane 1, and 2 everywhere else; i.e., it is divergent. Reported-by: Marek Olsak <Marek.Olsak@amd.com> Reviewers: arsenm, foad, mareko Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, hiraditya, kerbowa, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D74400		2020-02-12 09:12:56 +01:00
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AMDGPU	AMDGPU: llvm.amdgcn.writelane is a source of divergence	2020-02-12 09:12:56 +01:00
NVPTX	[DA] GPUDivergenceAnalysis for unstructured GPU kernels	2018-11-30 22:55:20 +00:00