1; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s 2 3; GCN-LABEL: {{^}}test_wave_barrier: 4; GCN-DAG: ; wave barrier 5; GCN-NOT: s_barrier 6 7define amdgpu_kernel void @test_wave_barrier() #0 { 8entry: 9 call void @llvm.amdgcn.wave.barrier() #1 10 ret void 11} 12 13; Check for verifier error from interpreting wave_barrier as a control 14; flow barrier. 15 16; GCN-LABEL: {{^}}test_wave_barrier_is_not_isBarrier: 17; GCN-DAG: ; wave barrier 18; GCN-NOT: s_barrier 19define amdgpu_kernel void @test_wave_barrier_is_not_isBarrier() #0 { 20entry: 21 call void @llvm.amdgcn.wave.barrier() #1 22 unreachable 23} 24 25declare void @llvm.amdgcn.wave.barrier() #1 26 27attributes #0 = { nounwind } 28attributes #1 = { convergent nounwind } 29