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; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG %s
; EG-LABEL: {{^}}test_group_barrier:
; EG: GROUP_BARRIER
define amdgpu_kernel void @test_group_barrier(i32 addrspace(1)* %out) #0 {
entry:
%tmp = call i32 @llvm.r600.read.tidig.x()
%tmp1 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp
store i32 %tmp, i32 addrspace(1)* %tmp1
call void @llvm.r600.group.barrier()
%tmp2 = call i32 @llvm.r600.read.local.size.x()
%tmp3 = sub i32 %tmp2, 1
%tmp4 = sub i32 %tmp3, %tmp
%tmp5 = getelementptr i32, i32 addrspace(1)* %out, i32 %tmp4
%tmp6 = load i32, i32 addrspace(1)* %tmp5
store i32 %tmp6, i32 addrspace(1)* %tmp1
ret void
}
; Function Attrs: convergent nounwind
declare void @llvm.r600.group.barrier() #1
; Function Attrs: nounwind readnone
declare i32 @llvm.r600.read.tidig.x() #2
; Function Attrs: nounwind readnone
declare i32 @llvm.r600.read.local.size.x() #2
attributes #0 = { nounwind }
attributes #1 = { convergent nounwind }
attributes #2 = { nounwind readnone }
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