xref: /llvm-project/llvm/test/CodeGen/AMDGPU/load-constant-always-uniform.ll (revision 3277c7cd28154e33637a168acb26cea7ac1f7fff)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 < %s | FileCheck %s -check-prefix=GFX11
3; RUN: llc -mtriple=amdgcn -mcpu=gfx1200 < %s | FileCheck %s -check-prefix=GFX12
4
5define amdgpu_cs void @test_uniform_load_b96(ptr addrspace(1) %ptr, i32 %arg) "amdgpu-flat-work-group-size"="1,1" {
6; GFX11-LABEL: test_uniform_load_b96:
7; GFX11:       ; %bb.0: ; %bb
8; GFX11-NEXT:    v_mov_b32_e32 v3, 0
9; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
10; GFX11-NEXT:    v_lshlrev_b64 v[2:3], 2, v[2:3]
11; GFX11-NEXT:    v_add_co_u32 v2, vcc_lo, v0, v2
12; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
13; GFX11-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v3, vcc_lo
14; GFX11-NEXT:    v_readfirstlane_b32 s0, v2
15; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2)
16; GFX11-NEXT:    v_readfirstlane_b32 s1, v3
17; GFX11-NEXT:    s_clause 0x1
18; GFX11-NEXT:    s_load_b64 s[2:3], s[0:1], 0x0
19; GFX11-NEXT:    s_load_b32 s0, s[0:1], 0x8
20; GFX11-NEXT:    s_waitcnt lgkmcnt(0)
21; GFX11-NEXT:    v_mov_b32_e32 v2, s3
22; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_1)
23; GFX11-NEXT:    v_or3_b32 v2, s2, v2, s0
24; GFX11-NEXT:    global_store_b32 v[0:1], v2, off
25; GFX11-NEXT:    s_endpgm
26;
27; GFX12-LABEL: test_uniform_load_b96:
28; GFX12:       ; %bb.0: ; %bb
29; GFX12-NEXT:    v_mov_b32_e32 v3, 0
30; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
31; GFX12-NEXT:    v_lshlrev_b64_e32 v[2:3], 2, v[2:3]
32; GFX12-NEXT:    v_add_co_u32 v2, vcc_lo, v0, v2
33; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
34; GFX12-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v3, vcc_lo
35; GFX12-NEXT:    v_readfirstlane_b32 s0, v2
36; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_2) | instid1(VALU_DEP_2)
37; GFX12-NEXT:    v_readfirstlane_b32 s1, v3
38; GFX12-NEXT:    s_load_b96 s[0:2], s[0:1], 0x0
39; GFX12-NEXT:    s_wait_kmcnt 0x0
40; GFX12-NEXT:    v_mov_b32_e32 v2, s0
41; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_1)
42; GFX12-NEXT:    v_or3_b32 v2, v2, s1, s2
43; GFX12-NEXT:    global_store_b32 v[0:1], v2, off
44; GFX12-NEXT:    s_endpgm
45bb:
46  %i = zext i32 %arg to i64
47  %i1 = getelementptr i32, ptr addrspace(1) %ptr, i64 %i
48  %i2 = load <3 x i32>, ptr addrspace(1) %i1, align 4
49  %i3 = extractelement <3 x i32> %i2, i32 0
50  %i4 = extractelement <3 x i32> %i2, i32 1
51  %i5 = extractelement <3 x i32> %i2, i32 2
52  %i6 = or i32 %i3, %i4
53  %i7 = or i32 %i5, %i6
54  store i32 %i7, ptr addrspace(1) %ptr, align 4
55  ret void
56}
57