You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
726 B
29 lines
726 B
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
|
|
|
|
; GCN-LABEL: {{^}}test_wave_barrier:
|
|
; GCN-DAG: ; wave barrier
|
|
; GCN-NOT: s_barrier
|
|
|
|
define amdgpu_kernel void @test_wave_barrier() #0 {
|
|
entry:
|
|
call void @llvm.amdgcn.wave.barrier() #1
|
|
ret void
|
|
}
|
|
|
|
; Check for verifier error from interpreting wave_barrier as a control
|
|
; flow barrier.
|
|
|
|
; GCN-LABEL: {{^}}test_wave_barrier_is_not_isBarrier:
|
|
; GCN-DAG: ; wave barrier
|
|
; GCN-NOT: s_barrier
|
|
define amdgpu_kernel void @test_wave_barrier_is_not_isBarrier() #0 {
|
|
entry:
|
|
call void @llvm.amdgcn.wave.barrier() #1
|
|
unreachable
|
|
}
|
|
|
|
declare void @llvm.amdgcn.wave.barrier() #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { convergent nounwind }
|