1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -march=amdgcn -mcpu=gfx1010 | FileCheck %s --check-prefix=GCN
3 ; RUN: llc < %s -march=amdgcn -mcpu=gfx1100 | FileCheck %s --check-prefix=GFX11
5 define void @vgpr_descriptor_waterfall_loop_idom_update(ptr %arg) #0 {
6 ; GCN-LABEL: vgpr_descriptor_waterfall_loop_idom_update:
7 ; GCN: ; %bb.0: ; %entry
8 ; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
9 ; GCN-NEXT: v_add_co_u32 v6, vcc_lo, v0, 8
10 ; GCN-NEXT: v_add_co_ci_u32_e32 v7, vcc_lo, 0, v1, vcc_lo
11 ; GCN-NEXT: .LBB0_1: ; %bb0
12 ; GCN-NEXT: ; =>This Loop Header: Depth=1
13 ; GCN-NEXT: ; Child Loop BB0_2 Depth 2
14 ; GCN-NEXT: s_clause 0x1
15 ; GCN-NEXT: flat_load_dwordx2 v[4:5], v[6:7]
16 ; GCN-NEXT: flat_load_dwordx2 v[2:3], v[0:1]
17 ; GCN-NEXT: s_mov_b32 s5, exec_lo
18 ; GCN-NEXT: .LBB0_2: ; Parent Loop BB0_1 Depth=1
19 ; GCN-NEXT: ; => This Inner Loop Header: Depth=2
20 ; GCN-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
21 ; GCN-NEXT: v_readfirstlane_b32 s8, v2
22 ; GCN-NEXT: v_readfirstlane_b32 s9, v3
23 ; GCN-NEXT: v_readfirstlane_b32 s10, v4
24 ; GCN-NEXT: v_readfirstlane_b32 s11, v5
25 ; GCN-NEXT: v_cmp_eq_u64_e32 vcc_lo, s[8:9], v[2:3]
26 ; GCN-NEXT: v_cmp_eq_u64_e64 s4, s[10:11], v[4:5]
27 ; GCN-NEXT: s_and_b32 s4, vcc_lo, s4
28 ; GCN-NEXT: s_and_saveexec_b32 s4, s4
29 ; GCN-NEXT: buffer_store_dword v0, v0, s[8:11], 0 offen
30 ; GCN-NEXT: ; implicit-def: $vgpr2_vgpr3_vgpr4_vgpr5
31 ; GCN-NEXT: s_waitcnt_depctr 0xffe3
32 ; GCN-NEXT: s_xor_b32 exec_lo, exec_lo, s4
33 ; GCN-NEXT: s_cbranch_execnz .LBB0_2
34 ; GCN-NEXT: ; %bb.3: ; in Loop: Header=BB0_1 Depth=1
35 ; GCN-NEXT: s_mov_b32 exec_lo, s5
36 ; GCN-NEXT: s_mov_b32 vcc_lo, exec_lo
37 ; GCN-NEXT: s_cbranch_vccnz .LBB0_1
38 ; GCN-NEXT: ; %bb.4: ; %DummyReturnBlock
39 ; GCN-NEXT: s_setpc_b64 s[30:31]
41 ; GFX11-LABEL: vgpr_descriptor_waterfall_loop_idom_update:
42 ; GFX11: ; %bb.0: ; %entry
43 ; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
44 ; GFX11-NEXT: .p2align 6
45 ; GFX11-NEXT: .LBB0_1: ; %bb0
46 ; GFX11-NEXT: ; =>This Loop Header: Depth=1
47 ; GFX11-NEXT: ; Child Loop BB0_2 Depth 2
48 ; GFX11-NEXT: flat_load_b128 v[2:5], v[0:1]
49 ; GFX11-NEXT: s_mov_b32 s1, exec_lo
50 ; GFX11-NEXT: .LBB0_2: ; Parent Loop BB0_1 Depth=1
51 ; GFX11-NEXT: ; => This Inner Loop Header: Depth=2
52 ; GFX11-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0)
53 ; GFX11-NEXT: v_readfirstlane_b32 s4, v2
54 ; GFX11-NEXT: v_readfirstlane_b32 s5, v3
55 ; GFX11-NEXT: v_readfirstlane_b32 s6, v4
56 ; GFX11-NEXT: v_readfirstlane_b32 s7, v5
57 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_2)
58 ; GFX11-NEXT: v_cmp_eq_u64_e32 vcc_lo, s[4:5], v[2:3]
59 ; GFX11-NEXT: v_cmp_eq_u64_e64 s0, s[6:7], v[4:5]
60 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
61 ; GFX11-NEXT: s_and_b32 s0, vcc_lo, s0
62 ; GFX11-NEXT: s_and_saveexec_b32 s0, s0
63 ; GFX11-NEXT: buffer_store_b32 v0, v0, s[4:7], 0 offen
64 ; GFX11-NEXT: ; implicit-def: $vgpr2_vgpr3_vgpr4_vgpr5
65 ; GFX11-NEXT: s_xor_b32 exec_lo, exec_lo, s0
66 ; GFX11-NEXT: s_cbranch_execnz .LBB0_2
67 ; GFX11-NEXT: ; %bb.3: ; in Loop: Header=BB0_1 Depth=1
68 ; GFX11-NEXT: s_mov_b32 exec_lo, s1
69 ; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
70 ; GFX11-NEXT: s_mov_b32 vcc_lo, exec_lo
71 ; GFX11-NEXT: s_cbranch_vccnz .LBB0_1
72 ; GFX11-NEXT: ; %bb.4: ; %DummyReturnBlock
73 ; GFX11-NEXT: s_setpc_b64 s[30:31]
78 %desc = load ptr addrspace(8), ptr %arg, align 8
79 tail call void @llvm.amdgcn.raw.ptr.buffer.store.f32(float undef, ptr addrspace(8) %desc, i32 undef, i32 0, i32 0)
83 declare void @llvm.amdgcn.raw.ptr.buffer.store.f32(float, ptr addrspace(8), i32, i32, i32 immarg) #0
85 attributes #0 = { nounwind memory(argmem: write) }