149 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: flat_load_ushort [[B:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], [[A]], [[B]]
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; VI-NEXT: buffer_store_short [[ADD]]
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define amdgpu_kernel void @v_test_add_i16(i16 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %b = load volatile i16, i16 addrspace(1)* %gep.in1
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  %add = add i16 %a, %b
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  store i16 %add, i16 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_constant:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], 0x7b, [[A]]
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; VI-NEXT: buffer_store_short [[ADD]]
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define amdgpu_kernel void @v_test_add_i16_constant(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %add = add i16 %a, 123
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  store i16 %add, i16 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_neg_constant:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], 0xfcb3, [[A]]
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; VI-NEXT: buffer_store_short [[ADD]]
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define amdgpu_kernel void @v_test_add_i16_neg_constant(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %add = add i16 %a, -845
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  store i16 %add, i16 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_inline_neg1:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], -1, [[A]]
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; VI-NEXT: buffer_store_short [[ADD]]
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define amdgpu_kernel void @v_test_add_i16_inline_neg1(i16 addrspace(1)* %out, i16 addrspace(1)* %in0) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i16, i16 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %add = add i16 %a, -1
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  store i16 %add, i16 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_zext_to_i32:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: flat_load_ushort [[B:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], [[A]], [[B]]
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; VI-NEXT: buffer_store_dword [[ADD]]
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define amdgpu_kernel void @v_test_add_i16_zext_to_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %b = load volatile i16, i16 addrspace(1)* %gep.in1
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  %add = add i16 %a, %b
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  %ext = zext i16 %add to i32
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  store i32 %ext, i32 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_zext_to_i64:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: flat_load_ushort [[B:v[0-9]+]]
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; VI-DAG: v_add_u16_e32 v[[ADD:[0-9]+]], [[A]], [[B]]
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; VI: buffer_store_dwordx2 v[[[ADD]]:{{[0-9]+\]}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0{{$}}
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define amdgpu_kernel void @v_test_add_i16_zext_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i64, i64 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
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  %a = load volatile i16, i16 addrspace(1)* %gep.in0
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  %b = load volatile i16, i16 addrspace(1)* %gep.in1
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  %add = add i16 %a, %b
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  %ext = zext i16 %add to i64
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  store i64 %ext, i64 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_sext_to_i32:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: flat_load_ushort [[B:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]],  [[A]], [[B]]
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; VI-NEXT: v_bfe_i32 [[SEXT:v[0-9]+]], [[ADD]], 0, 16
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; VI-NEXT: buffer_store_dword [[SEXT]]
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define amdgpu_kernel void @v_test_add_i16_sext_to_i32(i32 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
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  %a = load i16, i16 addrspace(1)* %gep.in0
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  %b = load i16, i16 addrspace(1)* %gep.in1
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  %add = add i16 %a, %b
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  %ext = sext i16 %add to i32
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  store i32 %ext, i32 addrspace(1)* %out
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  ret void
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}
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; FIXME: Need to handle non-uniform case for function below (load without gep).
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; GCN-LABEL: {{^}}v_test_add_i16_sext_to_i64:
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; VI: flat_load_ushort [[A:v[0-9]+]]
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; VI: flat_load_ushort [[B:v[0-9]+]]
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; VI: v_add_u16_e32 [[ADD:v[0-9]+]], [[A]], [[B]]
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; VI-NEXT: v_bfe_i32 v[[LO:[0-9]+]], [[ADD]], 0, 16
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; VI-NEXT: v_ashrrev_i32_e32 v[[HI:[0-9]+]], 31, v[[LO]]
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; VI-NEXT: buffer_store_dwordx2 v[[[LO]]:[[HI]]]
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define amdgpu_kernel void @v_test_add_i16_sext_to_i64(i64 addrspace(1)* %out, i16 addrspace(1)* %in0, i16 addrspace(1)* %in1) #1 {
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  %tid = call i32 @llvm.amdgcn.workitem.id.x()
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  %gep.out = getelementptr inbounds i64, i64 addrspace(1)* %out, i32 %tid
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  %gep.in0 = getelementptr inbounds i16, i16 addrspace(1)* %in0, i32 %tid
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  %gep.in1 = getelementptr inbounds i16, i16 addrspace(1)* %in1, i32 %tid
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  %a = load i16, i16 addrspace(1)* %gep.in0
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  %b = load i16, i16 addrspace(1)* %gep.in1
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  %add = add i16 %a, %b
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  %ext = sext i16 %add to i64
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  store i64 %ext, i64 addrspace(1)* %out
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  ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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