1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2 ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck -check-prefix=SDAG %s
3 ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck -check-prefix=GISEL %s
5 ; Check for verifier error due to trying to save and restore SCC
6 ; around a waterfall looop when it was never defined. We have to get
7 ; an accurate liveness at the use point and cannot rely on an
8 ; imprecise maybe-live query.
10 define void @issue92561(ptr addrspace(1) %arg) {
11 ; SDAG-LABEL: issue92561:
12 ; SDAG: ; %bb.0: ; %bb
13 ; SDAG-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
14 ; SDAG-NEXT: s_clause 0x1
15 ; SDAG-NEXT: global_load_b128 v[4:7], v[0:1], off offset:16
16 ; SDAG-NEXT: global_load_b128 v[0:3], v[0:1], off
17 ; SDAG-NEXT: v_mov_b32_e32 v8, 0
18 ; SDAG-NEXT: s_mov_b32 s12, 0
19 ; SDAG-NEXT: s_mov_b32 s3, exec_lo
20 ; SDAG-NEXT: s_mov_b32 s13, s12
21 ; SDAG-NEXT: s_mov_b32 s14, s12
22 ; SDAG-NEXT: s_mov_b32 s15, s12
23 ; SDAG-NEXT: s_waitcnt vmcnt(0)
24 ; SDAG-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1
25 ; SDAG-NEXT: v_readfirstlane_b32 s4, v0
26 ; SDAG-NEXT: v_readfirstlane_b32 s5, v1
27 ; SDAG-NEXT: v_readfirstlane_b32 s6, v2
28 ; SDAG-NEXT: v_readfirstlane_b32 s7, v3
29 ; SDAG-NEXT: v_readfirstlane_b32 s8, v4
30 ; SDAG-NEXT: v_readfirstlane_b32 s9, v5
31 ; SDAG-NEXT: v_readfirstlane_b32 s10, v6
32 ; SDAG-NEXT: v_readfirstlane_b32 s11, v7
33 ; SDAG-NEXT: v_cmp_eq_u64_e32 vcc_lo, s[4:5], v[0:1]
34 ; SDAG-NEXT: v_cmp_eq_u64_e64 s0, s[6:7], v[2:3]
35 ; SDAG-NEXT: v_cmp_eq_u64_e64 s1, s[8:9], v[4:5]
36 ; SDAG-NEXT: s_delay_alu instid0(VALU_DEP_4) | instskip(NEXT) | instid1(VALU_DEP_3)
37 ; SDAG-NEXT: v_cmp_eq_u64_e64 s2, s[10:11], v[6:7]
38 ; SDAG-NEXT: s_and_b32 s0, vcc_lo, s0
39 ; SDAG-NEXT: s_delay_alu instid0(VALU_DEP_2) | instid1(SALU_CYCLE_1)
40 ; SDAG-NEXT: s_and_b32 s0, s0, s1
41 ; SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1) | instid1(SALU_CYCLE_1)
42 ; SDAG-NEXT: s_and_b32 s0, s0, s2
43 ; SDAG-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
44 ; SDAG-NEXT: s_and_saveexec_b32 s0, s0
45 ; SDAG-NEXT: image_sample_c_lz v9, [v8, v8, v8, v8], s[4:11], s[12:15] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
46 ; SDAG-NEXT: ; implicit-def: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
47 ; SDAG-NEXT: ; implicit-def: $vgpr8
48 ; SDAG-NEXT: s_xor_b32 exec_lo, exec_lo, s0
49 ; SDAG-NEXT: s_cbranch_execnz .LBB0_1
51 ; SDAG-NEXT: s_mov_b32 exec_lo, s3
52 ; SDAG-NEXT: v_dual_mov_b32 v0, 0x7fc00000 :: v_dual_mov_b32 v1, 0
53 ; SDAG-NEXT: v_mov_b32_e32 v2, 1.0
54 ; SDAG-NEXT: s_mov_b32 s0, s12
55 ; SDAG-NEXT: s_mov_b32 s1, s12
56 ; SDAG-NEXT: s_mov_b32 s2, s12
57 ; SDAG-NEXT: s_mov_b32 s3, s12
58 ; SDAG-NEXT: s_mov_b32 s4, s12
59 ; SDAG-NEXT: s_mov_b32 s5, s12
60 ; SDAG-NEXT: s_mov_b32 s6, s12
61 ; SDAG-NEXT: s_mov_b32 s7, s12
62 ; SDAG-NEXT: s_clause 0x2
63 ; SDAG-NEXT: image_sample_c_lz v0, [v1, v1, v0, v1], s[0:7], s[12:15] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
64 ; SDAG-NEXT: image_sample_c_lz v3, [v1, v1, v1, v1], s[0:7], s[12:15] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
65 ; SDAG-NEXT: image_sample_c_lz v2, [v1, v2, v1, v1], s[0:7], s[12:15] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
66 ; SDAG-NEXT: v_mov_b32_e32 v4, v1
67 ; SDAG-NEXT: s_waitcnt vmcnt(2)
68 ; SDAG-NEXT: v_add_f32_e32 v0, v9, v0
69 ; SDAG-NEXT: s_waitcnt vmcnt(0)
70 ; SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_2)
71 ; SDAG-NEXT: v_add_f32_e32 v0, v2, v0
72 ; SDAG-NEXT: v_mov_b32_e32 v2, v1
73 ; SDAG-NEXT: v_dual_add_f32 v0, v3, v0 :: v_dual_mov_b32 v3, v1
74 ; SDAG-NEXT: s_delay_alu instid0(VALU_DEP_1)
75 ; SDAG-NEXT: v_mul_f32_e32 v0, 0x3e800000, v0
76 ; SDAG-NEXT: image_store v[0:2], v[3:4], s[0:7] dim:SQ_RSRC_IMG_2D unorm
77 ; SDAG-NEXT: s_setpc_b64 s[30:31]
79 ; GISEL-LABEL: issue92561:
80 ; GISEL: ; %bb.0: ; %bb
81 ; GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
82 ; GISEL-NEXT: s_clause 0x1
83 ; GISEL-NEXT: global_load_b128 v[2:5], v[0:1], off
84 ; GISEL-NEXT: global_load_b128 v[6:9], v[0:1], off offset:16
85 ; GISEL-NEXT: v_mov_b32_e32 v0, 0
86 ; GISEL-NEXT: s_mov_b32 s20, 0
87 ; GISEL-NEXT: s_mov_b32 s3, exec_lo
88 ; GISEL-NEXT: s_mov_b32 s21, s20
89 ; GISEL-NEXT: s_mov_b32 s22, s20
90 ; GISEL-NEXT: s_mov_b32 s23, s20
91 ; GISEL-NEXT: s_mov_b32 s4, s20
92 ; GISEL-NEXT: s_mov_b32 s5, s20
93 ; GISEL-NEXT: s_mov_b32 s6, s20
94 ; GISEL-NEXT: s_mov_b32 s7, s20
95 ; GISEL-NEXT: s_mov_b32 s8, s20
96 ; GISEL-NEXT: s_mov_b32 s9, s20
97 ; GISEL-NEXT: s_mov_b32 s10, s20
98 ; GISEL-NEXT: s_mov_b32 s11, s20
99 ; GISEL-NEXT: s_waitcnt vmcnt(0)
100 ; GISEL-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1
101 ; GISEL-NEXT: v_readfirstlane_b32 s12, v2
102 ; GISEL-NEXT: v_readfirstlane_b32 s13, v3
103 ; GISEL-NEXT: v_readfirstlane_b32 s14, v4
104 ; GISEL-NEXT: v_readfirstlane_b32 s15, v5
105 ; GISEL-NEXT: v_readfirstlane_b32 s16, v6
106 ; GISEL-NEXT: v_readfirstlane_b32 s17, v7
107 ; GISEL-NEXT: v_readfirstlane_b32 s18, v8
108 ; GISEL-NEXT: v_readfirstlane_b32 s19, v9
109 ; GISEL-NEXT: v_cmp_eq_u64_e32 vcc_lo, s[12:13], v[2:3]
110 ; GISEL-NEXT: v_cmp_eq_u64_e64 s0, s[14:15], v[4:5]
111 ; GISEL-NEXT: v_cmp_eq_u64_e64 s1, s[16:17], v[6:7]
112 ; GISEL-NEXT: s_delay_alu instid0(VALU_DEP_4) | instskip(NEXT) | instid1(VALU_DEP_3)
113 ; GISEL-NEXT: v_cmp_eq_u64_e64 s2, s[18:19], v[8:9]
114 ; GISEL-NEXT: s_and_b32 s0, vcc_lo, s0
115 ; GISEL-NEXT: s_delay_alu instid0(VALU_DEP_2) | instid1(SALU_CYCLE_1)
116 ; GISEL-NEXT: s_and_b32 s0, s0, s1
117 ; GISEL-NEXT: s_delay_alu instid0(VALU_DEP_1) | instid1(SALU_CYCLE_1)
118 ; GISEL-NEXT: s_and_b32 s0, s0, s2
119 ; GISEL-NEXT: s_delay_alu instid0(SALU_CYCLE_1)
120 ; GISEL-NEXT: s_and_saveexec_b32 s0, s0
121 ; GISEL-NEXT: image_sample_c_lz v1, [v0, v0, v0, v0], s[12:19], s[20:23] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
122 ; GISEL-NEXT: ; implicit-def: $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
123 ; GISEL-NEXT: ; implicit-def: $vgpr0
124 ; GISEL-NEXT: s_xor_b32 exec_lo, exec_lo, s0
125 ; GISEL-NEXT: s_cbranch_execnz .LBB0_1
126 ; GISEL-NEXT: ; %bb.2:
127 ; GISEL-NEXT: s_mov_b32 exec_lo, s3
128 ; GISEL-NEXT: v_dual_mov_b32 v2, 0 :: v_dual_mov_b32 v3, 1.0
129 ; GISEL-NEXT: v_mov_b32_e32 v0, 0x7fc00000
130 ; GISEL-NEXT: s_clause 0x2
131 ; GISEL-NEXT: image_sample_c_lz v0, [v2, v2, v0, v2], s[4:11], s[20:23] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
132 ; GISEL-NEXT: image_sample_c_lz v3, [v2, v3, v2, v2], s[4:11], s[20:23] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
133 ; GISEL-NEXT: image_sample_c_lz v4, [v2, v2, v2, v2], s[4:11], s[20:23] dmask:0x1 dim:SQ_RSRC_IMG_2D_ARRAY
134 ; GISEL-NEXT: s_mov_b32 s21, s20
135 ; GISEL-NEXT: s_waitcnt vmcnt(2)
136 ; GISEL-NEXT: v_add_f32_e32 v0, v1, v0
137 ; GISEL-NEXT: s_waitcnt vmcnt(1)
138 ; GISEL-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
139 ; GISEL-NEXT: v_dual_add_f32 v0, v3, v0 :: v_dual_mov_b32 v3, v2
140 ; GISEL-NEXT: s_waitcnt vmcnt(0)
141 ; GISEL-NEXT: v_add_f32_e32 v0, v4, v0
142 ; GISEL-NEXT: v_dual_mov_b32 v4, s20 :: v_dual_mov_b32 v5, s21
143 ; GISEL-NEXT: s_delay_alu instid0(VALU_DEP_2)
144 ; GISEL-NEXT: v_mul_f32_e32 v1, 0x3e800000, v0
145 ; GISEL-NEXT: image_store v[1:3], v[4:5], s[4:11] dim:SQ_RSRC_IMG_2D unorm
146 ; GISEL-NEXT: s_setpc_b64 s[30:31]
148 %descriptor = load <8 x i32>, ptr addrspace(1) %arg, align 32
149 %needs.waterfall = call float @llvm.amdgcn.image.sample.c.lz.2darray.f32.f32(i32 1, float 0.0, float 0.0, float 0.0, float 0.0, <8 x i32> %descriptor, <4 x i32> zeroinitializer, i1 false, i32 0, i32 0)
150 %i2 = call float @llvm.amdgcn.image.sample.c.lz.2darray.f32.f32(i32 1, float 0.0, float 0.0, float 0x7FF8000000000000, float 0.0, <8 x i32> zeroinitializer, <4 x i32> zeroinitializer, i1 false, i32 0, i32 0)
151 %i3 = fadd float %needs.waterfall, %i2
152 %i4 = call float @llvm.amdgcn.image.sample.c.lz.2darray.f32.f32(i32 1, float 0.0, float 1.000000e+00, float 0.0, float 0.0, <8 x i32> zeroinitializer, <4 x i32> zeroinitializer, i1 false, i32 0, i32 0)
153 %i5 = fadd float %i4, %i3
154 %i6 = call float @llvm.amdgcn.image.sample.c.lz.2darray.f32.f32(i32 1, float 0.0, float 0.0, float 0.0, float 0.0, <8 x i32> zeroinitializer, <4 x i32> zeroinitializer, i1 false, i32 0, i32 0)
155 %i7 = fadd float %i6, %i5
156 %i8 = fmul float %i7, 2.500000e-01
157 %i9 = insertelement <3 x float> zeroinitializer, float %i8, i64 0
158 call void @llvm.amdgcn.image.store.2d.v3f32.i32(<3 x float> %i9, i32 0, i32 0, i32 0, <8 x i32> zeroinitializer, i32 0, i32 0)