xref: /llvm-project/llvm/test/CodeGen/AMDGPU/zext-divergence-driven-isel.ll (revision 6548b6354d1d990e1c98736f5e7c3de876bedc8e)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN %s
3
4define amdgpu_kernel void @zext_i16_to_i32_uniform(ptr addrspace(1) %out, i16 %a, i32 %b) {
5; GCN-LABEL: zext_i16_to_i32_uniform:
6; GCN:       ; %bb.0:
7; GCN-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
8; GCN-NEXT:    s_mov_b32 s7, 0xf000
9; GCN-NEXT:    s_mov_b32 s6, -1
10; GCN-NEXT:    s_waitcnt lgkmcnt(0)
11; GCN-NEXT:    s_mov_b32 s4, s0
12; GCN-NEXT:    s_and_b32 s0, s2, 0xffff
13; GCN-NEXT:    s_add_i32 s0, s3, s0
14; GCN-NEXT:    s_mov_b32 s5, s1
15; GCN-NEXT:    v_mov_b32_e32 v0, s0
16; GCN-NEXT:    buffer_store_dword v0, off, s[4:7], 0
17; GCN-NEXT:    s_endpgm
18  %zext = zext i16 %a to i32
19  %res = add i32 %b, %zext
20  store i32 %res, ptr addrspace(1) %out
21  ret void
22}
23
24
25define amdgpu_kernel void @zext_i16_to_i64_uniform(ptr addrspace(1) %out, i16 %a, i64 %b) {
26; GCN-LABEL: zext_i16_to_i64_uniform:
27; GCN:       ; %bb.0:
28; GCN-NEXT:    s_load_dword s8, s[4:5], 0xb
29; GCN-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0xd
30; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
31; GCN-NEXT:    s_mov_b32 s3, 0xf000
32; GCN-NEXT:    s_mov_b32 s2, -1
33; GCN-NEXT:    s_waitcnt lgkmcnt(0)
34; GCN-NEXT:    s_and_b32 s4, s8, 0xffff
35; GCN-NEXT:    s_add_u32 s4, s6, s4
36; GCN-NEXT:    s_addc_u32 s5, s7, 0
37; GCN-NEXT:    v_mov_b32_e32 v0, s4
38; GCN-NEXT:    v_mov_b32_e32 v1, s5
39; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
40; GCN-NEXT:    s_endpgm
41  %zext = zext i16 %a to i64
42  %res = add i64 %b, %zext
43  store i64 %res, ptr addrspace(1) %out
44  ret void
45}
46
47define amdgpu_kernel void @zext_i16_to_i32_divergent(ptr addrspace(1) %out, i16 %a, i32 %b) {
48; GCN-LABEL: zext_i16_to_i32_divergent:
49; GCN:       ; %bb.0:
50; GCN-NEXT:    s_load_dword s6, s[4:5], 0xb
51; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
52; GCN-NEXT:    s_mov_b32 s3, 0xf000
53; GCN-NEXT:    s_mov_b32 s2, -1
54; GCN-NEXT:    s_waitcnt lgkmcnt(0)
55; GCN-NEXT:    v_add_i32_e32 v0, vcc, s6, v0
56; GCN-NEXT:    v_and_b32_e32 v0, 0xffff, v0
57; GCN-NEXT:    buffer_store_dword v0, off, s[0:3], 0
58; GCN-NEXT:    s_endpgm
59  %tid = call i32 @llvm.amdgcn.workitem.id.x()
60  %tid.truncated = trunc i32 %tid to i16
61  %divergent.a = add i16 %a, %tid.truncated
62  %zext = zext i16 %divergent.a to i32
63  store i32 %zext, ptr addrspace(1) %out
64  ret void
65}
66
67
68define amdgpu_kernel void @zext_i16_to_i64_divergent(ptr addrspace(1) %out, i16 %a, i64 %b) {
69; GCN-LABEL: zext_i16_to_i64_divergent:
70; GCN:       ; %bb.0:
71; GCN-NEXT:    s_load_dword s6, s[4:5], 0xb
72; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
73; GCN-NEXT:    s_mov_b32 s3, 0xf000
74; GCN-NEXT:    s_mov_b32 s2, -1
75; GCN-NEXT:    v_mov_b32_e32 v1, 0
76; GCN-NEXT:    s_waitcnt lgkmcnt(0)
77; GCN-NEXT:    v_add_i32_e32 v0, vcc, s6, v0
78; GCN-NEXT:    v_and_b32_e32 v0, 0xffff, v0
79; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
80; GCN-NEXT:    s_endpgm
81  %tid = call i32 @llvm.amdgcn.workitem.id.x()
82  %tid.truncated = trunc i32 %tid to i16
83  %divergent.a = add i16 %a, %tid.truncated
84  %zext = zext i16 %divergent.a to i64
85  store i64 %zext, ptr addrspace(1) %out
86  ret void
87}
88
89declare i32 @llvm.amdgcn.workitem.id.x() #1
90
91attributes #0 = { nounwind }
92attributes #1 = { nounwind readnone speculatable }
93