76 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=amdgcn -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 | |
| ; RUN: llc -march=amdgcn -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
 | |
| 
 | |
| ; Pointer value is stored in a candidate for LDS usage.
 | |
| 
 | |
| ; GCN-LABEL: {{^}}stored_lds_pointer_value:
 | |
| ; GCN: buffer_store_dword v
 | |
| define void @stored_lds_pointer_value(float* addrspace(1)* %ptr) #0 {
 | |
|   %tmp = alloca float
 | |
|   store float 0.0, float *%tmp
 | |
|   store float* %tmp, float* addrspace(1)* %ptr
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; GCN-LABEL: {{^}}stored_lds_pointer_value_offset:
 | |
| ; GCN: buffer_store_dword v
 | |
| define void @stored_lds_pointer_value_offset(float* addrspace(1)* %ptr) #0 {
 | |
|   %tmp0 = alloca float
 | |
|   %tmp1 = alloca float
 | |
|   store float 0.0, float *%tmp0
 | |
|   store float 0.0, float *%tmp1
 | |
|   store volatile float* %tmp0, float* addrspace(1)* %ptr
 | |
|   store volatile float* %tmp1, float* addrspace(1)* %ptr
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; GCN-LABEL: {{^}}stored_lds_pointer_value_gep:
 | |
| ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
 | |
| ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
 | |
| ; GCN: buffer_store_dword v
 | |
| ; GCN: buffer_store_dword v
 | |
| define void @stored_lds_pointer_value_gep(float* addrspace(1)* %ptr, i32 %idx) #0 {
 | |
| bb:
 | |
|   %tmp = alloca float, i32 16
 | |
|   store float 0.0, float* %tmp
 | |
|   %tmp2 = getelementptr inbounds float, float* %tmp, i32 %idx
 | |
|   store float* %tmp2, float* addrspace(1)* %ptr
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; Pointer value is stored in a candidate for vector usage
 | |
| ; GCN-LABEL: {{^}}stored_vector_pointer_value:
 | |
| ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD0
 | |
| ; GCN-DAG: s_mov_b32 s{{[0-9]+}}, SCRATCH_RSRC_DWORD1
 | |
| ; GCN: buffer_store_dword
 | |
| ; GCN: buffer_store_dword
 | |
| ; GCN: buffer_store_dword
 | |
| ; GCN: buffer_store_dword
 | |
| define void @stored_vector_pointer_value(i32* addrspace(1)* %out, i32 %index) {
 | |
| entry:
 | |
|   %tmp0 = alloca [4 x i32]
 | |
|   %x = getelementptr inbounds [4 x i32], [4 x i32]* %tmp0, i32 0, i32 0
 | |
|   %y = getelementptr inbounds [4 x i32], [4 x i32]* %tmp0, i32 0, i32 1
 | |
|   %z = getelementptr inbounds [4 x i32], [4 x i32]* %tmp0, i32 0, i32 2
 | |
|   %w = getelementptr inbounds [4 x i32], [4 x i32]* %tmp0, i32 0, i32 3
 | |
|   store i32 0, i32* %x
 | |
|   store i32 1, i32* %y
 | |
|   store i32 2, i32* %z
 | |
|   store i32 3, i32* %w
 | |
|   %tmp1 = getelementptr inbounds [4 x i32], [4 x i32]* %tmp0, i32 0, i32 %index
 | |
|   store i32* %tmp1, i32* addrspace(1)* %out
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; GCN-LABEL: {{^}}stored_fi_to_self:
 | |
| ; GCN-NOT: ds_
 | |
| define void @stored_fi_to_self() #0 {
 | |
|   %tmp = alloca i32*
 | |
|   store volatile i32* inttoptr (i32 1234 to i32*), i32** %tmp
 | |
|   %bitcast = bitcast i32** %tmp to i32*
 | |
|   store volatile i32* %bitcast, i32** %tmp
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| attributes #0 = { nounwind }
 |