From ddba2a56701df8d85b19f6ec7cde2d4353fa3e84 Mon Sep 17 00:00:00 2001 From: Nicolai Haehnle Date: Mon, 12 Dec 2016 16:52:19 +0000 Subject: [PATCH] AMDGPU: llvm.amdgcn.interp.mov is a source of divergence Summary: While the result is constant across a single primitive, each pixel shader wave can have pixels from multiple primitives. Reviewers: tstellarAMD, arsenm Subscribers: kzhuravl, wdng, yaxunl, llvm-commits, tony-tye Differential Revision: https://reviews.llvm.org/D27572 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289447 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp b/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp index e328e0c5a43..a1a35264224 100644 --- a/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp +++ b/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp @@ -241,6 +241,7 @@ static bool isIntrinsicSourceOfDivergence(const TargetIntrinsicInfo *TII, case Intrinsic::amdgcn_workitem_id_x: case Intrinsic::amdgcn_workitem_id_y: case Intrinsic::amdgcn_workitem_id_z: + case Intrinsic::amdgcn_interp_mov: case Intrinsic::amdgcn_interp_p1: case Intrinsic::amdgcn_interp_p2: case Intrinsic::amdgcn_mbcnt_hi: -- 2.50.1