1 ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=SI %s
3 declare i32 @llvm.amdgcn.workitem.id.x() #1
5 ; Test with inline immediate
7 ; SI-LABEL: {{^}}shl_2_add_9_i32:
8 ; SI: v_lshlrev_b32_e32 [[REG:v[0-9]+]], 2, {{v[0-9]+}}
9 ; SI: v_add_i32_e32 [[RESULT:v[0-9]+]], vcc, 36, [[REG]]
10 ; SI: buffer_store_dword [[RESULT]]
12 define amdgpu_kernel void @shl_2_add_9_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
13 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
14 %ptr = getelementptr i32, i32 addrspace(1)* %in, i32 %tid.x
15 %val = load i32, i32 addrspace(1)* %ptr, align 4
16 %add = add i32 %val, 9
17 %result = shl i32 %add, 2
18 store i32 %result, i32 addrspace(1)* %out, align 4
22 ; SI-LABEL: {{^}}shl_2_add_9_i32_2_add_uses:
23 ; SI-DAG: v_add_i32_e32 [[ADDREG:v[0-9]+]], vcc, 9, {{v[0-9]+}}
24 ; SI-DAG: v_lshlrev_b32_e32 [[SHLREG:v[0-9]+]], 2, {{v[0-9]+}}
25 ; SI-DAG: buffer_store_dword [[ADDREG]]
26 ; SI-DAG: buffer_store_dword [[SHLREG]]
28 define amdgpu_kernel void @shl_2_add_9_i32_2_add_uses(i32 addrspace(1)* %out0, i32 addrspace(1)* %out1, i32 addrspace(1)* %in) #0 {
29 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
30 %ptr = getelementptr i32, i32 addrspace(1)* %in, i32 %tid.x
31 %val = load i32, i32 addrspace(1)* %ptr, align 4
32 %add = add i32 %val, 9
33 %result = shl i32 %add, 2
34 store i32 %result, i32 addrspace(1)* %out0, align 4
35 store i32 %add, i32 addrspace(1)* %out1, align 4
39 ; Test with add literal constant
41 ; SI-LABEL: {{^}}shl_2_add_999_i32:
42 ; SI: v_lshlrev_b32_e32 [[REG:v[0-9]+]], 2, {{v[0-9]+}}
43 ; SI: v_add_i32_e32 [[RESULT:v[0-9]+]], vcc, 0xf9c, [[REG]]
44 ; SI: buffer_store_dword [[RESULT]]
46 define amdgpu_kernel void @shl_2_add_999_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
47 %tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
48 %ptr = getelementptr i32, i32 addrspace(1)* %in, i32 %tid.x
49 %val = load i32, i32 addrspace(1)* %ptr, align 4
50 %shl = add i32 %val, 999
51 %result = shl i32 %shl, 2
52 store i32 %result, i32 addrspace(1)* %out, align 4
56 ; SI-LABEL: {{^}}test_add_shl_add_constant:
57 ; SI-DAG: s_load_dwordx2 s[[[X:[0-9]+]]:[[Y:[0-9]+]]], s{{\[[0-9]+:[0-9]+\]}}, 0x13
58 ; SI-DAG: s_lshl_b32 [[SHL3:s[0-9]+]], s[[X]], 3
59 ; SI: s_add_i32 [[RESULT:s[0-9]+]], [[SHL3]], s[[Y]]
60 ; SI: s_addk_i32 [[RESULT]], 0x3d8
61 ; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[RESULT]]
62 ; SI: buffer_store_dword [[VRESULT]]
63 define amdgpu_kernel void @test_add_shl_add_constant(i32 addrspace(1)* %out, [8 x i32], i32 %x, i32 %y) #0 {
64 %add.0 = add i32 %x, 123
65 %shl = shl i32 %add.0, 3
66 %add.1 = add i32 %shl, %y
67 store i32 %add.1, i32 addrspace(1)* %out, align 4
71 ; SI-LABEL: {{^}}test_add_shl_add_constant_inv:
72 ; SI-DAG: s_load_dwordx2 s[[[X:[0-9]+]]:[[Y:[0-9]+]]], s{{\[[0-9]+:[0-9]+\]}}, 0x13
73 ; SI: s_lshl_b32 [[SHL3:s[0-9]+]], s[[X]], 3
74 ; SI: s_add_i32 [[TMP:s[0-9]+]], [[SHL3]], s[[Y]]
75 ; SI: s_addk_i32 [[TMP]], 0x3d8
76 ; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[TMP]]
77 ; SI: buffer_store_dword [[VRESULT]]
79 define amdgpu_kernel void @test_add_shl_add_constant_inv(i32 addrspace(1)* %out, [8 x i32], i32 %x, i32 %y) #0 {
80 %add.0 = add i32 %x, 123
81 %shl = shl i32 %add.0, 3
82 %add.1 = add i32 %y, %shl
83 store i32 %add.1, i32 addrspace(1)* %out, align 4
87 attributes #0 = { nounwind }
88 attributes #1 = { nounwind readnone }