1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; GCN-LABEL: {{^}}test_barrier: 4*9880d681SAndroid Build Coastguard Worker; GCN: buffer_store_dword 5*9880d681SAndroid Build Coastguard Worker; GCN: s_waitcnt 6*9880d681SAndroid Build Coastguard Worker; GCN: s_barrier 7*9880d681SAndroid Build Coastguard Workerdefine void @test_barrier(i32 addrspace(1)* %out) #0 { 8*9880d681SAndroid Build Coastguard Workerentry: 9*9880d681SAndroid Build Coastguard Worker %tmp = call i32 @llvm.amdgcn.workitem.id.x() 10*9880d681SAndroid Build Coastguard Worker %tmp1 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp 11*9880d681SAndroid Build Coastguard Worker store i32 %tmp, i32 addrspace(1)* %tmp1 12*9880d681SAndroid Build Coastguard Worker call void @llvm.amdgcn.s.barrier() 13*9880d681SAndroid Build Coastguard Worker %tmp2 = call i32 @llvm.r600.read.local.size.x() 14*9880d681SAndroid Build Coastguard Worker %tmp3 = sub i32 %tmp2, 1 15*9880d681SAndroid Build Coastguard Worker %tmp4 = sub i32 %tmp3, %tmp 16*9880d681SAndroid Build Coastguard Worker %tmp5 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp4 17*9880d681SAndroid Build Coastguard Worker %tmp6 = load i32, i32 addrspace(1)* %tmp5 18*9880d681SAndroid Build Coastguard Worker store i32 %tmp6, i32 addrspace(1)* %tmp1 19*9880d681SAndroid Build Coastguard Worker ret void 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.amdgcn.s.barrier() #1 23*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.amdgcn.workitem.id.x() #2 24*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.r600.read.local.size.x() #2 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerattributes #0 = { nounwind } 27*9880d681SAndroid Build Coastguard Workerattributes #1 = { convergent nounwind } 28*9880d681SAndroid Build Coastguard Workerattributes #2 = { nounwind readnone } 29