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-amd-amdpal -mcpu=hawaii %s -o - | FileCheck %s
4 ; For all these tests we disable optimizations through function attributes
5 ; because the code we are exercising here needs phis and we want to keep the
8 ; This code used to crash in SDISel because f16 was promoted to f32 through
9 ; a `f32 = vector_extract_elt <1 x f16>, i32 0`, which is illegal.
10 ; The invalid SDNode and thus, the crash was only exposed by the constant
12 define void @phi_vec1half_to_f32_with_const_folding(ptr addrspace(1) %dst) #0 {
13 ; CHECK-LABEL: phi_vec1half_to_f32_with_const_folding:
14 ; CHECK: ; %bb.0: ; %entry
15 ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
16 ; CHECK-NEXT: s_mov_b32 s4, 0
17 ; CHECK-NEXT: ; %bb.1: ; %bb
18 ; CHECK-NEXT: v_cvt_f16_f32_e64 v2, s4
19 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
20 ; CHECK-NEXT: s_mov_b32 s6, 0
21 ; CHECK-NEXT: s_mov_b32 s4, s6
22 ; CHECK-NEXT: s_mov_b32 s5, s6
23 ; CHECK-NEXT: buffer_store_short v2, v[0:1], s[4:7], 0 addr64 offset:2
24 ; CHECK-NEXT: v_cvt_f16_f32_e64 v2, s4
25 ; CHECK-NEXT: buffer_store_short v2, v[0:1], s[4:7], 0 addr64
26 ; CHECK-NEXT: s_waitcnt vmcnt(0)
27 ; CHECK-NEXT: s_setpc_b64 s[30:31]
32 %phi = phi <1 x half> [ zeroinitializer, %entry ]
33 %res = shufflevector <1 x half> poison, <1 x half> %phi, <2 x i32> <i32 0, i32 1>
34 store <2 x half> %res, ptr addrspace(1) %dst
38 ; Same as phi_vec1half_to_f32_with_const_folding but without the folding.
39 ; This test exercises the same invalid SDNode, but it happened to work by
40 ; accident before. Here we make sure the fix also work as expected in the
41 ; non-constant folding case.
42 define void @phi_vec1half_to_f32(ptr addrspace(1) %src, ptr addrspace(1) %dst) #0 {
43 ; CHECK-LABEL: phi_vec1half_to_f32:
44 ; CHECK: ; %bb.0: ; %entry
45 ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
46 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
47 ; CHECK-NEXT: s_mov_b32 s6, 0
48 ; CHECK-NEXT: s_mov_b32 s4, s6
49 ; CHECK-NEXT: s_mov_b32 s5, s6
50 ; CHECK-NEXT: buffer_load_ushort v0, v[0:1], s[4:7], 0 addr64
51 ; CHECK-NEXT: s_waitcnt vmcnt(0)
52 ; CHECK-NEXT: v_cvt_f32_f16_e64 v0, v0
53 ; CHECK-NEXT: ; %bb.1: ; %bb
54 ; CHECK-NEXT: v_cvt_f16_f32_e64 v0, v0
55 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
56 ; CHECK-NEXT: s_mov_b32 s6, 0
57 ; CHECK-NEXT: s_mov_b32 s4, s6
58 ; CHECK-NEXT: s_mov_b32 s5, s6
59 ; CHECK-NEXT: buffer_store_short v0, v[2:3], s[4:7], 0 addr64 offset:2
60 ; CHECK-NEXT: v_cvt_f16_f32_e64 v0, s4
61 ; CHECK-NEXT: buffer_store_short v0, v[2:3], s[4:7], 0 addr64
62 ; CHECK-NEXT: s_waitcnt vmcnt(0)
63 ; CHECK-NEXT: s_setpc_b64 s[30:31]
65 %input = load <1 x half>, ptr addrspace(1) %src
69 %phi = phi <1 x half> [ %input, %entry ]
70 %res = shufflevector <1 x half> poison, <1 x half> %phi, <2 x i32> <i32 0, i32 1>
71 store <2 x half> %res, ptr addrspace(1) %dst
75 ; Same as phi_vec1bf16_to_f32 but with bfloat instead of half.
76 define void @phi_vec1bf16_to_f32(ptr addrspace(1) %src, ptr addrspace(1) %dst) #0 {
77 ; CHECK-LABEL: phi_vec1bf16_to_f32:
78 ; CHECK: ; %bb.0: ; %entry
79 ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
80 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
81 ; CHECK-NEXT: s_mov_b32 s6, 0
82 ; CHECK-NEXT: s_mov_b32 s4, s6
83 ; CHECK-NEXT: s_mov_b32 s5, s6
84 ; CHECK-NEXT: buffer_load_ushort v0, v[0:1], s[4:7], 0 addr64
85 ; CHECK-NEXT: s_mov_b32 s4, 16
86 ; CHECK-NEXT: s_waitcnt vmcnt(0)
87 ; CHECK-NEXT: v_lshlrev_b32_e64 v0, s4, v0
88 ; CHECK-NEXT: ; %bb.1: ; %bb
89 ; CHECK-NEXT: v_mul_f32_e64 v0, 1.0, v0
90 ; CHECK-NEXT: s_mov_b32 s4, 16
91 ; CHECK-NEXT: v_lshrrev_b32_e64 v0, s4, v0
92 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
93 ; CHECK-NEXT: s_mov_b32 s6, 0
94 ; CHECK-NEXT: s_mov_b32 s4, s6
95 ; CHECK-NEXT: s_mov_b32 s5, s6
96 ; CHECK-NEXT: buffer_store_short v0, v[2:3], s[4:7], 0 addr64 offset:2
97 ; CHECK-NEXT: s_waitcnt vmcnt(0)
98 ; CHECK-NEXT: s_setpc_b64 s[30:31]
100 %input = load <1 x bfloat>, ptr addrspace(1) %src
104 %phi = phi <1 x bfloat> [ %input, %entry ]
105 %res = shufflevector <1 x bfloat> poison, <1 x bfloat> %phi, <2 x i32> <i32 0, i32 1>
106 store <2 x bfloat> %res, ptr addrspace(1) %dst
110 ; Same as phi_vec1half_to_f32_with_const_folding but with bfloat instead of half.
111 define void @phi_vec1bf16_to_f32_with_const_folding(ptr addrspace(1) %dst) #0 {
112 ; CHECK-LABEL: phi_vec1bf16_to_f32_with_const_folding:
113 ; CHECK: ; %bb.0: ; %entry
114 ; CHECK-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
115 ; CHECK-NEXT: s_mov_b32 s4, 0
116 ; CHECK-NEXT: ; %bb.1: ; %bb
117 ; CHECK-NEXT: v_mul_f32_e64 v2, 1.0, s4
118 ; CHECK-NEXT: s_mov_b32 s4, 16
119 ; CHECK-NEXT: v_lshrrev_b32_e32 v2, s4, v2
120 ; CHECK-NEXT: s_mov_b32 s7, 0xf000
121 ; CHECK-NEXT: s_mov_b32 s6, 0
122 ; CHECK-NEXT: s_mov_b32 s4, s6
123 ; CHECK-NEXT: s_mov_b32 s5, s6
124 ; CHECK-NEXT: buffer_store_short v2, v[0:1], s[4:7], 0 addr64 offset:2
125 ; CHECK-NEXT: s_waitcnt vmcnt(0)
126 ; CHECK-NEXT: s_setpc_b64 s[30:31]
131 %phi = phi <1 x bfloat> [ zeroinitializer, %entry ]
132 %res = shufflevector <1 x bfloat> poison, <1 x bfloat> %phi, <2 x i32> <i32 0, i32 1>
133 store <2 x bfloat> %res, ptr addrspace(1) %dst
137 attributes #0 = { noinline optnone }