diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/wait-xcnt.mir')
-rw-r--r-- | llvm/test/CodeGen/AMDGPU/wait-xcnt.mir | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/wait-xcnt.mir b/llvm/test/CodeGen/AMDGPU/wait-xcnt.mir index f4b9523..af8b9e7 100644 --- a/llvm/test/CodeGen/AMDGPU/wait-xcnt.mir +++ b/llvm/test/CodeGen/AMDGPU/wait-xcnt.mir @@ -966,3 +966,45 @@ body: | $vgpr2 = V_MOV_B32_e32 $vgpr2, implicit $exec $sgpr0 = S_MOV_B32 0 ... + +# TODO: Unnecessary wait before overwriting vgpr0. +--- +name: overwrite_vgpr_after_smem +tracksRegLiveness: true +machineFunctionInfo: + isEntryFunction: true +body: | + bb.0: + liveins: $vgpr0_vgpr1, $sgpr0_sgpr1 + ; GCN-LABEL: name: overwrite_vgpr_after_smem + ; GCN: liveins: $vgpr0_vgpr1, $sgpr0_sgpr1 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec + ; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 + ; GCN-NEXT: S_WAIT_XCNT 0 + ; GCN-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec + $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec + $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 + $vgpr0 = V_MOV_B32_e32 0, implicit $exec +... + +# TODO: Unnecessary wait before overwriting sgpr0. +--- +name: overwrite_sgpr_after_vmem +tracksRegLiveness: true +machineFunctionInfo: + isEntryFunction: true +body: | + bb.0: + liveins: $vgpr0_vgpr1, $sgpr0_sgpr1 + ; GCN-LABEL: name: overwrite_sgpr_after_vmem + ; GCN: liveins: $vgpr0_vgpr1, $sgpr0_sgpr1 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 + ; GCN-NEXT: $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec + ; GCN-NEXT: S_WAIT_XCNT 0 + ; GCN-NEXT: $sgpr0 = S_MOV_B32 0 + $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 0, 0 + $vgpr2 = GLOBAL_LOAD_DWORD $vgpr0_vgpr1, 0, 0, implicit $exec + $sgpr0 = S_MOV_B32 0 +... |