1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=riscv32 -mattr=+m | FileCheck %s --check-prefixes=RV32,RV32I
3 ; RUN: llc < %s -mtriple=riscv64 -mattr=+m | FileCheck %s --check-prefixes=RV64,RV64I
4 ; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+zbb | FileCheck %s --check-prefixes=RV32,RV32IZbb
5 ; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+zbb | FileCheck %s --check-prefixes=RV64,RV64IZbb
7 declare i4 @llvm.sadd.sat.i4(i4, i4)
8 declare i8 @llvm.sadd.sat.i8(i8, i8)
9 declare i16 @llvm.sadd.sat.i16(i16, i16)
10 declare i32 @llvm.sadd.sat.i32(i32, i32)
11 declare i64 @llvm.sadd.sat.i64(i64, i64)
13 define signext i32 @func(i32 signext %x, i32 signext %y) nounwind {
16 ; RV32-NEXT: mv a2, a0
17 ; RV32-NEXT: add a0, a0, a1
18 ; RV32-NEXT: slt a2, a0, a2
19 ; RV32-NEXT: slti a1, a1, 0
20 ; RV32-NEXT: beq a1, a2, .LBB0_2
22 ; RV32-NEXT: srai a0, a0, 31
23 ; RV32-NEXT: lui a1, 524288
24 ; RV32-NEXT: xor a0, a0, a1
30 ; RV64I-NEXT: add a2, a0, a1
31 ; RV64I-NEXT: addw a0, a0, a1
32 ; RV64I-NEXT: beq a0, a2, .LBB0_2
33 ; RV64I-NEXT: # %bb.1:
34 ; RV64I-NEXT: srli a0, a0, 31
35 ; RV64I-NEXT: li a1, 1
36 ; RV64I-NEXT: slli a1, a1, 31
37 ; RV64I-NEXT: xor a2, a0, a1
38 ; RV64I-NEXT: .LBB0_2:
39 ; RV64I-NEXT: sext.w a0, a2
42 ; RV64IZbb-LABEL: func:
44 ; RV64IZbb-NEXT: add a0, a0, a1
45 ; RV64IZbb-NEXT: lui a1, 524288
46 ; RV64IZbb-NEXT: addiw a2, a1, -1
47 ; RV64IZbb-NEXT: min a0, a0, a2
48 ; RV64IZbb-NEXT: max a0, a0, a1
50 %tmp = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y);
54 define i64 @func2(i64 %x, i64 %y) nounwind {
57 ; RV32I-NEXT: mv a4, a1
58 ; RV32I-NEXT: mv a1, a0
59 ; RV32I-NEXT: add a5, a4, a3
60 ; RV32I-NEXT: add a0, a0, a2
61 ; RV32I-NEXT: xor a3, a4, a3
62 ; RV32I-NEXT: sltu a1, a0, a1
63 ; RV32I-NEXT: add a1, a5, a1
64 ; RV32I-NEXT: xor a4, a4, a1
65 ; RV32I-NEXT: not a2, a3
66 ; RV32I-NEXT: and a2, a2, a4
67 ; RV32I-NEXT: bgez a2, .LBB1_2
68 ; RV32I-NEXT: # %bb.1:
69 ; RV32I-NEXT: srai a0, a1, 31
70 ; RV32I-NEXT: lui a1, 524288
71 ; RV32I-NEXT: xor a1, a0, a1
72 ; RV32I-NEXT: .LBB1_2:
77 ; RV64-NEXT: mv a2, a0
78 ; RV64-NEXT: add a0, a0, a1
79 ; RV64-NEXT: slt a2, a0, a2
80 ; RV64-NEXT: slti a1, a1, 0
81 ; RV64-NEXT: beq a1, a2, .LBB1_2
83 ; RV64-NEXT: srai a0, a0, 63
84 ; RV64-NEXT: li a1, -1
85 ; RV64-NEXT: slli a1, a1, 63
86 ; RV64-NEXT: xor a0, a0, a1
90 ; RV32IZbb-LABEL: func2:
92 ; RV32IZbb-NEXT: mv a4, a1
93 ; RV32IZbb-NEXT: mv a1, a0
94 ; RV32IZbb-NEXT: add a5, a4, a3
95 ; RV32IZbb-NEXT: add a0, a0, a2
96 ; RV32IZbb-NEXT: sltu a1, a0, a1
97 ; RV32IZbb-NEXT: add a1, a5, a1
98 ; RV32IZbb-NEXT: xor a2, a4, a1
99 ; RV32IZbb-NEXT: xor a3, a4, a3
100 ; RV32IZbb-NEXT: andn a2, a2, a3
101 ; RV32IZbb-NEXT: bgez a2, .LBB1_2
102 ; RV32IZbb-NEXT: # %bb.1:
103 ; RV32IZbb-NEXT: srai a0, a1, 31
104 ; RV32IZbb-NEXT: lui a1, 524288
105 ; RV32IZbb-NEXT: xor a1, a0, a1
106 ; RV32IZbb-NEXT: .LBB1_2:
108 %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %y);
112 define signext i16 @func16(i16 signext %x, i16 signext %y) nounwind {
113 ; RV32I-LABEL: func16:
115 ; RV32I-NEXT: add a0, a0, a1
116 ; RV32I-NEXT: lui a1, 8
117 ; RV32I-NEXT: addi a1, a1, -1
118 ; RV32I-NEXT: bge a0, a1, .LBB2_3
119 ; RV32I-NEXT: # %bb.1:
120 ; RV32I-NEXT: lui a1, 1048568
121 ; RV32I-NEXT: bge a1, a0, .LBB2_4
122 ; RV32I-NEXT: .LBB2_2:
124 ; RV32I-NEXT: .LBB2_3:
125 ; RV32I-NEXT: mv a0, a1
126 ; RV32I-NEXT: lui a1, 1048568
127 ; RV32I-NEXT: blt a1, a0, .LBB2_2
128 ; RV32I-NEXT: .LBB2_4:
129 ; RV32I-NEXT: lui a0, 1048568
132 ; RV64I-LABEL: func16:
134 ; RV64I-NEXT: add a0, a0, a1
135 ; RV64I-NEXT: lui a1, 8
136 ; RV64I-NEXT: addiw a1, a1, -1
137 ; RV64I-NEXT: bge a0, a1, .LBB2_3
138 ; RV64I-NEXT: # %bb.1:
139 ; RV64I-NEXT: lui a1, 1048568
140 ; RV64I-NEXT: bge a1, a0, .LBB2_4
141 ; RV64I-NEXT: .LBB2_2:
143 ; RV64I-NEXT: .LBB2_3:
144 ; RV64I-NEXT: mv a0, a1
145 ; RV64I-NEXT: lui a1, 1048568
146 ; RV64I-NEXT: blt a1, a0, .LBB2_2
147 ; RV64I-NEXT: .LBB2_4:
148 ; RV64I-NEXT: lui a0, 1048568
151 ; RV32IZbb-LABEL: func16:
153 ; RV32IZbb-NEXT: add a0, a0, a1
154 ; RV32IZbb-NEXT: lui a1, 8
155 ; RV32IZbb-NEXT: addi a1, a1, -1
156 ; RV32IZbb-NEXT: min a0, a0, a1
157 ; RV32IZbb-NEXT: lui a1, 1048568
158 ; RV32IZbb-NEXT: max a0, a0, a1
161 ; RV64IZbb-LABEL: func16:
163 ; RV64IZbb-NEXT: add a0, a0, a1
164 ; RV64IZbb-NEXT: lui a1, 8
165 ; RV64IZbb-NEXT: addiw a1, a1, -1
166 ; RV64IZbb-NEXT: min a0, a0, a1
167 ; RV64IZbb-NEXT: lui a1, 1048568
168 ; RV64IZbb-NEXT: max a0, a0, a1
170 %tmp = call i16 @llvm.sadd.sat.i16(i16 %x, i16 %y);
174 define signext i8 @func8(i8 signext %x, i8 signext %y) nounwind {
175 ; RV32I-LABEL: func8:
177 ; RV32I-NEXT: add a0, a0, a1
178 ; RV32I-NEXT: li a1, 127
179 ; RV32I-NEXT: bge a0, a1, .LBB3_3
180 ; RV32I-NEXT: # %bb.1:
181 ; RV32I-NEXT: li a1, -128
182 ; RV32I-NEXT: bge a1, a0, .LBB3_4
183 ; RV32I-NEXT: .LBB3_2:
185 ; RV32I-NEXT: .LBB3_3:
186 ; RV32I-NEXT: li a0, 127
187 ; RV32I-NEXT: li a1, -128
188 ; RV32I-NEXT: blt a1, a0, .LBB3_2
189 ; RV32I-NEXT: .LBB3_4:
190 ; RV32I-NEXT: li a0, -128
193 ; RV64I-LABEL: func8:
195 ; RV64I-NEXT: add a0, a0, a1
196 ; RV64I-NEXT: li a1, 127
197 ; RV64I-NEXT: bge a0, a1, .LBB3_3
198 ; RV64I-NEXT: # %bb.1:
199 ; RV64I-NEXT: li a1, -128
200 ; RV64I-NEXT: bge a1, a0, .LBB3_4
201 ; RV64I-NEXT: .LBB3_2:
203 ; RV64I-NEXT: .LBB3_3:
204 ; RV64I-NEXT: li a0, 127
205 ; RV64I-NEXT: li a1, -128
206 ; RV64I-NEXT: blt a1, a0, .LBB3_2
207 ; RV64I-NEXT: .LBB3_4:
208 ; RV64I-NEXT: li a0, -128
211 ; RV32IZbb-LABEL: func8:
213 ; RV32IZbb-NEXT: add a0, a0, a1
214 ; RV32IZbb-NEXT: li a1, 127
215 ; RV32IZbb-NEXT: min a0, a0, a1
216 ; RV32IZbb-NEXT: li a1, -128
217 ; RV32IZbb-NEXT: max a0, a0, a1
220 ; RV64IZbb-LABEL: func8:
222 ; RV64IZbb-NEXT: add a0, a0, a1
223 ; RV64IZbb-NEXT: li a1, 127
224 ; RV64IZbb-NEXT: min a0, a0, a1
225 ; RV64IZbb-NEXT: li a1, -128
226 ; RV64IZbb-NEXT: max a0, a0, a1
228 %tmp = call i8 @llvm.sadd.sat.i8(i8 %x, i8 %y);
232 define signext i4 @func3(i4 signext %x, i4 signext %y) nounwind {
233 ; RV32I-LABEL: func3:
235 ; RV32I-NEXT: add a0, a0, a1
236 ; RV32I-NEXT: li a1, 7
237 ; RV32I-NEXT: bge a0, a1, .LBB4_3
238 ; RV32I-NEXT: # %bb.1:
239 ; RV32I-NEXT: li a1, -8
240 ; RV32I-NEXT: bge a1, a0, .LBB4_4
241 ; RV32I-NEXT: .LBB4_2:
243 ; RV32I-NEXT: .LBB4_3:
244 ; RV32I-NEXT: li a0, 7
245 ; RV32I-NEXT: li a1, -8
246 ; RV32I-NEXT: blt a1, a0, .LBB4_2
247 ; RV32I-NEXT: .LBB4_4:
248 ; RV32I-NEXT: li a0, -8
251 ; RV64I-LABEL: func3:
253 ; RV64I-NEXT: add a0, a0, a1
254 ; RV64I-NEXT: li a1, 7
255 ; RV64I-NEXT: bge a0, a1, .LBB4_3
256 ; RV64I-NEXT: # %bb.1:
257 ; RV64I-NEXT: li a1, -8
258 ; RV64I-NEXT: bge a1, a0, .LBB4_4
259 ; RV64I-NEXT: .LBB4_2:
261 ; RV64I-NEXT: .LBB4_3:
262 ; RV64I-NEXT: li a0, 7
263 ; RV64I-NEXT: li a1, -8
264 ; RV64I-NEXT: blt a1, a0, .LBB4_2
265 ; RV64I-NEXT: .LBB4_4:
266 ; RV64I-NEXT: li a0, -8
269 ; RV32IZbb-LABEL: func3:
271 ; RV32IZbb-NEXT: add a0, a0, a1
272 ; RV32IZbb-NEXT: li a1, 7
273 ; RV32IZbb-NEXT: min a0, a0, a1
274 ; RV32IZbb-NEXT: li a1, -8
275 ; RV32IZbb-NEXT: max a0, a0, a1
278 ; RV64IZbb-LABEL: func3:
280 ; RV64IZbb-NEXT: add a0, a0, a1
281 ; RV64IZbb-NEXT: li a1, 7
282 ; RV64IZbb-NEXT: min a0, a0, a1
283 ; RV64IZbb-NEXT: li a1, -8
284 ; RV64IZbb-NEXT: max a0, a0, a1
286 %tmp = call i4 @llvm.sadd.sat.i4(i4 %x, i4 %y);