1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=amdgcn-- -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
4 define amdgpu_ps void @i1_copy_from_loop(<4 x i32> inreg %rsrc, i32 %tid) {
5 ; SI-LABEL: i1_copy_from_loop:
6 ; SI: ; %bb.0: ; %entry
7 ; SI-NEXT: s_mov_b32 s14, 0
8 ; SI-NEXT: s_mov_b64 s[4:5], 0
9 ; SI-NEXT: ; implicit-def: $sgpr6_sgpr7
10 ; SI-NEXT: ; implicit-def: $sgpr8_sgpr9
11 ; SI-NEXT: s_branch .LBB0_3
12 ; SI-NEXT: .LBB0_1: ; in Loop: Header=BB0_3 Depth=1
13 ; SI-NEXT: ; implicit-def: $sgpr14
14 ; SI-NEXT: .LBB0_2: ; %Flow
15 ; SI-NEXT: ; in Loop: Header=BB0_3 Depth=1
16 ; SI-NEXT: s_and_b64 s[12:13], exec, s[8:9]
17 ; SI-NEXT: s_or_b64 s[4:5], s[12:13], s[4:5]
18 ; SI-NEXT: s_andn2_b64 s[6:7], s[6:7], exec
19 ; SI-NEXT: s_and_b64 s[10:11], s[10:11], exec
20 ; SI-NEXT: s_or_b64 s[6:7], s[6:7], s[10:11]
21 ; SI-NEXT: s_andn2_b64 exec, exec, s[4:5]
22 ; SI-NEXT: s_cbranch_execz .LBB0_7
23 ; SI-NEXT: .LBB0_3: ; %for.body
24 ; SI-NEXT: ; =>This Inner Loop Header: Depth=1
25 ; SI-NEXT: s_cmp_lt_u32 s14, 4
26 ; SI-NEXT: s_cselect_b64 s[10:11], -1, 0
27 ; SI-NEXT: s_or_b64 s[8:9], s[8:9], exec
28 ; SI-NEXT: s_cmp_gt_u32 s14, 3
29 ; SI-NEXT: s_cbranch_scc1 .LBB0_1
30 ; SI-NEXT: ; %bb.4: ; %mid.loop
31 ; SI-NEXT: ; in Loop: Header=BB0_3 Depth=1
32 ; SI-NEXT: v_mov_b32_e32 v1, s14
33 ; SI-NEXT: buffer_load_dword v1, v[0:1], s[0:3], 0 idxen offen
34 ; SI-NEXT: s_mov_b64 s[10:11], -1
35 ; SI-NEXT: s_waitcnt vmcnt(0)
36 ; SI-NEXT: v_cmp_le_f32_e32 vcc, 0, v1
37 ; SI-NEXT: s_mov_b64 s[8:9], -1
38 ; SI-NEXT: s_and_saveexec_b64 s[12:13], vcc
39 ; SI-NEXT: ; %bb.5: ; %end.loop
40 ; SI-NEXT: ; in Loop: Header=BB0_3 Depth=1
41 ; SI-NEXT: s_add_i32 s14, s14, 1
42 ; SI-NEXT: s_xor_b64 s[8:9], exec, -1
43 ; SI-NEXT: ; %bb.6: ; %Flow1
44 ; SI-NEXT: ; in Loop: Header=BB0_3 Depth=1
45 ; SI-NEXT: s_or_b64 exec, exec, s[12:13]
46 ; SI-NEXT: s_branch .LBB0_2
47 ; SI-NEXT: .LBB0_7: ; %for.end
48 ; SI-NEXT: s_or_b64 exec, exec, s[4:5]
49 ; SI-NEXT: s_and_saveexec_b64 s[0:1], s[6:7]
50 ; SI-NEXT: s_cbranch_execz .LBB0_9
51 ; SI-NEXT: ; %bb.8: ; %if
52 ; SI-NEXT: exp mrt0 v0, v0, v0, v0 done vm
53 ; SI-NEXT: .LBB0_9: ; %end
59 %i = phi i32 [0, %entry], [%i.inc, %end.loop]
60 %cc = icmp ult i32 %i, 4
61 br i1 %cc, label %mid.loop, label %for.end
64 %v = call float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32> %rsrc, i32 %tid, i32 %i, i32 0, i32 0)
65 %cc2 = fcmp oge float %v, 0.0
66 br i1 %cc2, label %end.loop, label %for.end
69 %i.inc = add i32 %i, 1
73 br i1 %cc, label %if, label %end
76 call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float undef, float undef, float undef, float undef, i1 true, i1 true)
83 declare float @llvm.amdgcn.struct.buffer.load.f32(<4 x i32>, i32, i32, i32, i32 immarg) #0
84 declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #1
86 attributes #0 = { nounwind readonly }
87 attributes #1 = { nounwind inaccessiblememonly }