|  | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s | 
|  | ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s 2>&1 | FileCheck -enable-var-scope -check-prefix=GCN %s | 
|  | ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s 2>&1 | FileCheck -enable-var-scope -check-prefix=GCN %s | 
|  |  | 
|  | ; GCN-LABEL: {{^}}s_input_output_i16: | 
|  | ; GCN: s_mov_b32 s[[REG:[0-9]+]], -1 | 
|  | ; GCN: ; use s[[REG]] | 
|  | define amdgpu_kernel void @s_input_output_i16() #0 { | 
|  | %v = tail call i16 asm sideeffect "s_mov_b32 $0, -1", "=s"() | 
|  | tail call void asm sideeffect "; use $0", "s"(i16 %v) #0 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}v_input_output_i16: | 
|  | ; GCN: v_mov_b32 v[[REG:[0-9]+]], -1 | 
|  | ; GCN: ; use v[[REG]] | 
|  | define amdgpu_kernel void @v_input_output_i16() #0 { | 
|  | %v = tail call i16 asm sideeffect "v_mov_b32 $0, -1", "=v"() #0 | 
|  | tail call void asm sideeffect "; use $0", "v"(i16 %v) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}s_input_output_f16: | 
|  | ; GCN: s_mov_b32 s[[REG:[0-9]+]], -1 | 
|  | ; GCN: ; use s[[REG]] | 
|  | define amdgpu_kernel void @s_input_output_f16() #0 { | 
|  | %v = tail call half asm sideeffect "s_mov_b32 $0, -1", "=s"() #0 | 
|  | tail call void asm sideeffect "; use $0", "s"(half %v) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}v_input_output_f16: | 
|  | ; GCN: v_mov_b32 v[[REG:[0-9]+]], -1 | 
|  | ; GCN: ; use v[[REG]] | 
|  | define amdgpu_kernel void @v_input_output_f16() #0 { | 
|  | %v = tail call half asm sideeffect "v_mov_b32 $0, -1", "=v"() #0 | 
|  | tail call void asm sideeffect "; use $0", "v"(half %v) | 
|  | ret void | 
|  | } | 
|  |  | 
|  | attributes #0 = { nounwind } |