1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple thumbv8m.main-arm-unknown-eabi --float-abi=soft -mattr=+vfp4d16sp < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VFPV4-SOFT
3 ; RUN: llc -mtriple thumbv8.1m.main-arm-unknown-eabi --float-abi=soft -mattr=+fullfp16 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP16-SOFT
4 ; RUN: llc -mtriple thumbv8m.main-arm-unknown-eabi --float-abi=hard -mattr=+vfp4d16sp < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VFPV4-HARD
5 ; RUN: llc -mtriple thumbv8.1m.main-arm-unknown-eabi --float-abi=hard -mattr=+fullfp16 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP16-HARD
7 target triple = "thumbv8.1m.main-arm-unknown-eabi"
9 define float @add(float %a, float %b) {
10 ; CHECK-VFPV4-SOFT-LABEL: add:
11 ; CHECK-VFPV4-SOFT: @ %bb.0: @ %entry
12 ; CHECK-VFPV4-SOFT-NEXT: vmov s0, r1
13 ; CHECK-VFPV4-SOFT-NEXT: vmov s2, r0
14 ; CHECK-VFPV4-SOFT-NEXT: vadd.f32 s0, s2, s0
15 ; CHECK-VFPV4-SOFT-NEXT: vmov r0, s0
16 ; CHECK-VFPV4-SOFT-NEXT: bx lr
18 ; CHECK-FP16-SOFT-LABEL: add:
19 ; CHECK-FP16-SOFT: @ %bb.0: @ %entry
20 ; CHECK-FP16-SOFT-NEXT: vmov s0, r1
21 ; CHECK-FP16-SOFT-NEXT: vmov s2, r0
22 ; CHECK-FP16-SOFT-NEXT: vadd.f32 s0, s2, s0
23 ; CHECK-FP16-SOFT-NEXT: vmov r0, s0
24 ; CHECK-FP16-SOFT-NEXT: bx lr
26 ; CHECK-VFPV4-HARD-LABEL: add:
27 ; CHECK-VFPV4-HARD: @ %bb.0: @ %entry
28 ; CHECK-VFPV4-HARD-NEXT: vadd.f32 s0, s0, s1
29 ; CHECK-VFPV4-HARD-NEXT: bx lr
31 ; CHECK-FP16-HARD-LABEL: add:
32 ; CHECK-FP16-HARD: @ %bb.0: @ %entry
33 ; CHECK-FP16-HARD-NEXT: vadd.f32 s0, s0, s1
34 ; CHECK-FP16-HARD-NEXT: bx lr
36 %add = fadd float %a, %b
40 define half @addf16(half %a, half %b) {
41 ; CHECK-VFPV4-SOFT-LABEL: addf16:
42 ; CHECK-VFPV4-SOFT: @ %bb.0: @ %entry
43 ; CHECK-VFPV4-SOFT-NEXT: vmov s0, r0
44 ; CHECK-VFPV4-SOFT-NEXT: vmov s2, r1
45 ; CHECK-VFPV4-SOFT-NEXT: vcvtb.f32.f16 s0, s0
46 ; CHECK-VFPV4-SOFT-NEXT: vcvtb.f32.f16 s2, s2
47 ; CHECK-VFPV4-SOFT-NEXT: vadd.f32 s0, s0, s2
48 ; CHECK-VFPV4-SOFT-NEXT: vcvtb.f16.f32 s0, s0
49 ; CHECK-VFPV4-SOFT-NEXT: vmov r0, s0
50 ; CHECK-VFPV4-SOFT-NEXT: bx lr
52 ; CHECK-FP16-SOFT-LABEL: addf16:
53 ; CHECK-FP16-SOFT: @ %bb.0: @ %entry
54 ; CHECK-FP16-SOFT-NEXT: vmov.f16 s0, r1
55 ; CHECK-FP16-SOFT-NEXT: vmov.f16 s2, r0
56 ; CHECK-FP16-SOFT-NEXT: vadd.f16 s0, s2, s0
57 ; CHECK-FP16-SOFT-NEXT: vmov r0, s0
58 ; CHECK-FP16-SOFT-NEXT: bx lr
60 ; CHECK-VFPV4-HARD-LABEL: addf16:
61 ; CHECK-VFPV4-HARD: @ %bb.0: @ %entry
62 ; CHECK-VFPV4-HARD-NEXT: vcvtb.f32.f16 s2, s1
63 ; CHECK-VFPV4-HARD-NEXT: vcvtb.f32.f16 s0, s0
64 ; CHECK-VFPV4-HARD-NEXT: vadd.f32 s0, s0, s2
65 ; CHECK-VFPV4-HARD-NEXT: vcvtb.f16.f32 s0, s0
66 ; CHECK-VFPV4-HARD-NEXT: bx lr
68 ; CHECK-FP16-HARD-LABEL: addf16:
69 ; CHECK-FP16-HARD: @ %bb.0: @ %entry
70 ; CHECK-FP16-HARD-NEXT: vadd.f16 s0, s0, s1
71 ; CHECK-FP16-HARD-NEXT: bx lr
73 %add = fadd half %a, %b
77 define half @load_i16(ptr %hp) {
78 ; CHECK-VFPV4-SOFT-LABEL: load_i16:
79 ; CHECK-VFPV4-SOFT: @ %bb.0: @ %entry
80 ; CHECK-VFPV4-SOFT-NEXT: vmov.f32 s0, #1.000000e+00
81 ; CHECK-VFPV4-SOFT-NEXT: ldrh r0, [r0]
82 ; CHECK-VFPV4-SOFT-NEXT: vmov s2, r0
83 ; CHECK-VFPV4-SOFT-NEXT: vcvtb.f32.f16 s2, s2
84 ; CHECK-VFPV4-SOFT-NEXT: vadd.f32 s0, s2, s0
85 ; CHECK-VFPV4-SOFT-NEXT: vcvtb.f16.f32 s0, s0
86 ; CHECK-VFPV4-SOFT-NEXT: vmov r0, s0
87 ; CHECK-VFPV4-SOFT-NEXT: bx lr
89 ; CHECK-FP16-SOFT-LABEL: load_i16:
90 ; CHECK-FP16-SOFT: @ %bb.0: @ %entry
91 ; CHECK-FP16-SOFT-NEXT: vldr.16 s2, [r0]
92 ; CHECK-FP16-SOFT-NEXT: vmov.f16 s0, #1.000000e+00
93 ; CHECK-FP16-SOFT-NEXT: vadd.f16 s0, s2, s0
94 ; CHECK-FP16-SOFT-NEXT: vmov r0, s0
95 ; CHECK-FP16-SOFT-NEXT: bx lr
97 ; CHECK-VFPV4-HARD-LABEL: load_i16:
98 ; CHECK-VFPV4-HARD: @ %bb.0: @ %entry
99 ; CHECK-VFPV4-HARD-NEXT: vmov.f32 s0, #1.000000e+00
100 ; CHECK-VFPV4-HARD-NEXT: ldrh r0, [r0]
101 ; CHECK-VFPV4-HARD-NEXT: vmov s2, r0
102 ; CHECK-VFPV4-HARD-NEXT: vcvtb.f32.f16 s2, s2
103 ; CHECK-VFPV4-HARD-NEXT: vadd.f32 s0, s2, s0
104 ; CHECK-VFPV4-HARD-NEXT: vcvtb.f16.f32 s0, s0
105 ; CHECK-VFPV4-HARD-NEXT: bx lr
107 ; CHECK-FP16-HARD-LABEL: load_i16:
108 ; CHECK-FP16-HARD: @ %bb.0: @ %entry
109 ; CHECK-FP16-HARD-NEXT: vldr.16 s2, [r0]
110 ; CHECK-FP16-HARD-NEXT: vmov.f16 s0, #1.000000e+00
111 ; CHECK-FP16-HARD-NEXT: vadd.f16 s0, s2, s0
112 ; CHECK-FP16-HARD-NEXT: bx lr
114 %h = load i16, ptr %hp, align 2
115 %hc = bitcast i16 %h to half
116 %add = fadd half %hc, 1.0
120 define i16 @load_f16(ptr %hp) {
121 ; CHECK-LABEL: load_f16:
122 ; CHECK: @ %bb.0: @ %entry
123 ; CHECK-NEXT: ldrh r0, [r0]
124 ; CHECK-NEXT: adds r0, #1
127 %h = load half, ptr %hp, align 2
128 %hc = bitcast half %h to i16
129 %add = add i16 %hc, 1
133 define half @constcall() {
134 ; CHECK-VFPV4-SOFT-LABEL: constcall:
135 ; CHECK-VFPV4-SOFT: @ %bb.0: @ %entry
136 ; CHECK-VFPV4-SOFT-NEXT: mov.w r0, #18688
137 ; CHECK-VFPV4-SOFT-NEXT: b ccc
139 ; CHECK-FP16-SOFT-LABEL: constcall:
140 ; CHECK-FP16-SOFT: @ %bb.0: @ %entry
141 ; CHECK-FP16-SOFT-NEXT: mov.w r0, #18688
142 ; CHECK-FP16-SOFT-NEXT: b ccc
144 ; CHECK-VFPV4-HARD-LABEL: constcall:
145 ; CHECK-VFPV4-HARD: @ %bb.0: @ %entry
146 ; CHECK-VFPV4-HARD-NEXT: vldr s0, .LCPI4_0
147 ; CHECK-VFPV4-HARD-NEXT: b ccc
148 ; CHECK-VFPV4-HARD-NEXT: .p2align 2
149 ; CHECK-VFPV4-HARD-NEXT: @ %bb.1:
150 ; CHECK-VFPV4-HARD-NEXT: .LCPI4_0:
151 ; CHECK-VFPV4-HARD-NEXT: .long 0x00004900 @ float 2.61874657E-41
153 ; CHECK-FP16-HARD-LABEL: constcall:
154 ; CHECK-FP16-HARD: @ %bb.0: @ %entry
155 ; CHECK-FP16-HARD-NEXT: vmov.f16 s0, #1.000000e+01
156 ; CHECK-FP16-HARD-NEXT: b ccc
158 %call = tail call fast half @ccc(half 0xH4900)
162 define half @constret() {
163 ; CHECK-VFPV4-SOFT-LABEL: constret:
164 ; CHECK-VFPV4-SOFT: @ %bb.0: @ %entry
165 ; CHECK-VFPV4-SOFT-NEXT: mov.w r0, #18688
166 ; CHECK-VFPV4-SOFT-NEXT: bx lr
168 ; CHECK-FP16-SOFT-LABEL: constret:
169 ; CHECK-FP16-SOFT: @ %bb.0: @ %entry
170 ; CHECK-FP16-SOFT-NEXT: vmov.f16 s0, #1.000000e+01
171 ; CHECK-FP16-SOFT-NEXT: vmov r0, s0
172 ; CHECK-FP16-SOFT-NEXT: bx lr
174 ; CHECK-VFPV4-HARD-LABEL: constret:
175 ; CHECK-VFPV4-HARD: @ %bb.0: @ %entry
176 ; CHECK-VFPV4-HARD-NEXT: vldr s0, .LCPI5_0
177 ; CHECK-VFPV4-HARD-NEXT: bx lr
178 ; CHECK-VFPV4-HARD-NEXT: .p2align 2
179 ; CHECK-VFPV4-HARD-NEXT: @ %bb.1:
180 ; CHECK-VFPV4-HARD-NEXT: .LCPI5_0:
181 ; CHECK-VFPV4-HARD-NEXT: .long 0x00004900 @ float 2.61874657E-41
183 ; CHECK-FP16-HARD-LABEL: constret:
184 ; CHECK-FP16-HARD: @ %bb.0: @ %entry
185 ; CHECK-FP16-HARD-NEXT: vmov.f16 s0, #1.000000e+01
186 ; CHECK-FP16-HARD-NEXT: bx lr
191 declare half @ccc(half)