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| author | Nicolai Haehnle <nhaehnle@gmail.com> | 2016-12-12 16:52:19 +0000 |
|---|---|---|
| committer | Nicolai Haehnle <nhaehnle@gmail.com> | 2016-12-12 16:52:19 +0000 |
| commit | f45ea4bbc587a171b0643428de1c2693259cb072 (patch) | |
| tree | c7ab62c559be03e44c211808516dfd1a31544508 /llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp | |
| parent | 84171bd476830ba301f6c31cb53396710d8e9f43 (diff) | |
| download | bcm5719-llvm-f45ea4bbc587a171b0643428de1c2693259cb072.tar.gz bcm5719-llvm-f45ea4bbc587a171b0643428de1c2693259cb072.zip | |
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
llvm-svn: 289447
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp index e328e0c5a43..a1a35264224 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp +++ b/llvm/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: |
