31 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 | 
						|
; RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 | 
						|
 | 
						|
declare float @llvm.amdgcn.cubeid(float, float, float) #0
 | 
						|
declare float @llvm.amdgcn.cubesc(float, float, float) #0
 | 
						|
declare float @llvm.amdgcn.cubetc(float, float, float) #0
 | 
						|
declare float @llvm.amdgcn.cubema(float, float, float) #0
 | 
						|
 | 
						|
; GCN-LABEL: {{^}}cube:
 | 
						|
; GCN-DAG: v_cubeid_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
 | 
						|
; GCN-DAG: v_cubesc_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
 | 
						|
; GCN-DAG: v_cubetc_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
 | 
						|
; GCN-DAG: v_cubema_f32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
 | 
						|
; GCN: _store_dwordx4
 | 
						|
define amdgpu_kernel void @cube(<4 x float> addrspace(1)* %out, float %a, float %b, float %c) #1 {
 | 
						|
  %cubeid = call float @llvm.amdgcn.cubeid(float %a, float %b, float %c)
 | 
						|
  %cubesc = call float @llvm.amdgcn.cubesc(float %a, float %b, float %c)
 | 
						|
  %cubetc = call float @llvm.amdgcn.cubetc(float %a, float %b, float %c)
 | 
						|
  %cubema = call float @llvm.amdgcn.cubema(float %a, float %b, float %c)
 | 
						|
 | 
						|
  %vec0 = insertelement <4 x float> undef, float %cubeid, i32 0
 | 
						|
  %vec1 = insertelement <4 x float> %vec0, float %cubesc, i32 1
 | 
						|
  %vec2 = insertelement <4 x float> %vec1, float %cubetc, i32 2
 | 
						|
  %vec3 = insertelement <4 x float> %vec2, float %cubema, i32 3
 | 
						|
  store <4 x float> %vec3, <4 x float> addrspace(1)* %out
 | 
						|
  ret void
 | 
						|
}
 | 
						|
 | 
						|
attributes #0 = { nounwind readnone }
 | 
						|
attributes #1 = { nounwind }
 |