1 // RUN: %clang_cc1 -ffreestanding -triple armv8-eabi -target-cpu cortex-a57 -O -S -emit-llvm -o - %s | FileCheck %s -check-prefix=ARM -check-prefix=AArch32 2 // RUN: %clang_cc1 -ffreestanding -triple aarch64-eabi -target-cpu cortex-a57 -target-feature +neon -target-feature +crc -target-feature +crypto -O -S -emit-llvm -o - %s | FileCheck %s -check-prefix=ARM -check-prefix=AArch64 3 4 #include <arm_acle.h> 5 6 /* 8 SYNCHRONIZATION, BARRIER AND HINT INTRINSICS */ 7 /* 8.3 Memory Barriers */ 8 // ARM-LABEL: test_dmb 9 // AArch32: call void @llvm.arm.dmb(i32 1) 10 // AArch64: call void @llvm.aarch64.dmb(i32 1) 11 void test_dmb(void) { 12 __dmb(1); 13 } 14 15 // ARM-LABEL: test_dsb 16 // AArch32: call void @llvm.arm.dsb(i32 2) 17 // AArch64: call void @llvm.aarch64.dsb(i32 2) 18 void test_dsb(void) { 19 __dsb(2); 20 } 21 22 // ARM-LABEL: test_isb 23 // AArch32: call void @llvm.arm.isb(i32 3) 24 // AArch64: call void @llvm.aarch64.isb(i32 3) 25 void test_isb(void) { 26 __isb(3); 27 } 28 29 /* 8.4 Hints */ 30 // ARM-LABEL: test_yield 31 // AArch32: call void @llvm.arm.hint(i32 1) 32 // AArch64: call void @llvm.aarch64.hint(i32 1) 33 void test_yield(void) { 34 __yield(); 35 } 36 37 // ARM-LABEL: test_wfe 38 // AArch32: call void @llvm.arm.hint(i32 2) 39 // AArch64: call void @llvm.aarch64.hint(i32 2) 40 void test_wfe(void) { 41 __wfe(); 42 } 43 44 // ARM-LABEL: test_wfi 45 // AArch32: call void @llvm.arm.hint(i32 3) 46 // AArch64: call void @llvm.aarch64.hint(i32 3) 47 void test_wfi(void) { 48 __wfi(); 49 } 50 51 // ARM-LABEL: test_sev 52 // AArch32: call void @llvm.arm.hint(i32 4) 53 // AArch64: call void @llvm.aarch64.hint(i32 4) 54 void test_sev(void) { 55 __sev(); 56 } 57 58 // ARM-LABEL: test_sevl 59 // AArch32: call void @llvm.arm.hint(i32 5) 60 // AArch64: call void @llvm.aarch64.hint(i32 5) 61 void test_sevl(void) { 62 __sevl(); 63 } 64 65 #if __ARM_32BIT_STATE 66 // AArch32-LABEL: test_dbg 67 // AArch32: call void @llvm.arm.dbg(i32 0) 68 void test_dbg(void) { 69 __dbg(0); 70 } 71 #endif 72 73 /* 8.5 Swap */ 74 // ARM-LABEL: test_swp 75 // AArch32: call i32 @llvm.arm.ldrex 76 // AArch32: call i32 @llvm.arm.strex 77 // AArch64: call i64 @llvm.aarch64.ldxr 78 // AArch64: call i32 @llvm.aarch64.stxr 79 uint32_t test_swp(uint32_t x, volatile void *p) { 80 __swp(x, p); 81 } 82 83 /* 8.6 Memory prefetch intrinsics */ 84 /* 8.6.1 Data prefetch */ 85 // ARM-LABEL: test_pld 86 // ARM: call void @llvm.prefetch(i8* null, i32 0, i32 3, i32 1) 87 void test_pld() { 88 __pld(0); 89 } 90 91 // ARM-LABEL: test_pldx 92 // AArch32: call void @llvm.prefetch(i8* null, i32 1, i32 3, i32 1) 93 // AArch64: call void @llvm.prefetch(i8* null, i32 1, i32 1, i32 1) 94 void test_pldx() { 95 __pldx(1, 2, 0, 0); 96 } 97 98 /* 8.6.2 Instruction prefetch */ 99 // ARM-LABEL: test_pli 100 // ARM: call void @llvm.prefetch(i8* null, i32 0, i32 3, i32 0) 101 void test_pli() { 102 __pli(0); 103 } 104 105 // ARM-LABEL: test_plix 106 // AArch32: call void @llvm.prefetch(i8* null, i32 0, i32 3, i32 0) 107 // AArch64: call void @llvm.prefetch(i8* null, i32 0, i32 1, i32 0) 108 void test_plix() { 109 __plix(2, 0, 0); 110 } 111 112 /* 8.7 NOP */ 113 // ARM-LABEL: test_nop 114 // AArch32: call void @llvm.arm.hint(i32 0) 115 // AArch64: call void @llvm.aarch64.hint(i32 0) 116 void test_nop(void) { 117 __nop(); 118 } 119 120 /* 9 DATA-PROCESSING INTRINSICS */ 121 /* 9.2 Miscellaneous data-processing intrinsics */ 122 // ARM-LABEL: test_ror 123 // ARM: lshr 124 // ARM: sub 125 // ARM: shl 126 // ARM: or 127 uint32_t test_ror(uint32_t x, uint32_t y) { 128 return __ror(x, y); 129 } 130 131 // ARM-LABEL: test_rorl 132 // ARM: lshr 133 // ARM: sub 134 // ARM: shl 135 // ARM: or 136 unsigned long test_rorl(unsigned long x, uint32_t y) { 137 return __rorl(x, y); 138 } 139 140 // ARM-LABEL: test_rorll 141 // ARM: lshr 142 // ARM: sub 143 // ARM: shl 144 // ARM: or 145 uint64_t test_rorll(uint64_t x, uint32_t y) { 146 return __rorll(x, y); 147 } 148 149 // ARM-LABEL: test_clz 150 // ARM: call i32 @llvm.ctlz.i32(i32 %t, i1 false) 151 uint32_t test_clz(uint32_t t) { 152 return __clz(t); 153 } 154 155 // ARM-LABEL: test_clzl 156 // AArch32: call i32 @llvm.ctlz.i32(i32 %t, i1 false) 157 // AArch64: call i64 @llvm.ctlz.i64(i64 %t, i1 false) 158 long test_clzl(long t) { 159 return __clzl(t); 160 } 161 162 // ARM-LABEL: test_clzll 163 // ARM: call i64 @llvm.ctlz.i64(i64 %t, i1 false) 164 uint64_t test_clzll(uint64_t t) { 165 return __clzll(t); 166 } 167 168 // ARM-LABEL: test_rev 169 // ARM: call i32 @llvm.bswap.i32(i32 %t) 170 uint32_t test_rev(uint32_t t) { 171 return __rev(t); 172 } 173 174 // ARM-LABEL: test_revl 175 // AArch32: call i32 @llvm.bswap.i32(i32 %t) 176 // AArch64: call i64 @llvm.bswap.i64(i64 %t) 177 long test_revl(long t) { 178 return __revl(t); 179 } 180 181 // ARM-LABEL: test_revll 182 // ARM: call i64 @llvm.bswap.i64(i64 %t) 183 uint64_t test_revll(uint64_t t) { 184 return __revll(t); 185 } 186 187 // ARM-LABEL: test_rev16 188 // ARM: llvm.bswap 189 // ARM: lshr 190 // ARM: shl 191 // ARM: or 192 uint32_t test_rev16(uint32_t t) { 193 return __rev16(t); 194 } 195 196 // ARM-LABEL: test_rev16l 197 // ARM: llvm.bswap 198 // ARM: lshr 199 // ARM: shl 200 // ARM: or 201 long test_rev16l(long t) { 202 return __rev16l(t); 203 } 204 205 // ARM-LABEL: test_rev16ll 206 // ARM: llvm.bswap 207 // ARM: lshr 208 // ARM: shl 209 // ARM: or 210 uint64_t test_rev16ll(uint64_t t) { 211 return __rev16ll(t); 212 } 213 214 // ARM-LABEL: test_revsh 215 // ARM: call i16 @llvm.bswap.i16(i16 %t) 216 int16_t test_revsh(int16_t t) { 217 return __revsh(t); 218 } 219 220 // ARM-LABEL: test_rbit 221 // AArch32: call i32 @llvm.arm.rbit 222 // AArch64: call i32 @llvm.aarch64.rbit.i32 223 uint32_t test_rbit(uint32_t t) { 224 return __rbit(t); 225 } 226 227 // ARM-LABEL: test_rbitl 228 // AArch32: call i32 @llvm.arm.rbit 229 // AArch64: call i64 @llvm.aarch64.rbit.i64 230 long test_rbitl(long t) { 231 return __rbitl(t); 232 } 233 234 // ARM-LABEL: test_rbitll 235 // AArch32: call i32 @llvm.arm.rbit 236 // AArch32: call i32 @llvm.arm.rbit 237 // AArch64: call i64 @llvm.aarch64.rbit.i64 238 uint64_t test_rbitll(uint64_t t) { 239 return __rbitll(t); 240 } 241 242 /* 9.4 Saturating intrinsics */ 243 #ifdef __ARM_32BIT_STATE 244 245 /* 9.4.1 Width-specified saturation intrinsics */ 246 // AArch32-LABEL: test_ssat 247 // AArch32: call i32 @llvm.arm.ssat(i32 %t, i32 1) 248 int32_t test_ssat(int32_t t) { 249 return __ssat(t, 1); 250 } 251 252 // AArch32-LABEL: test_usat 253 // AArch32: call i32 @llvm.arm.usat(i32 %t, i32 2) 254 int32_t test_usat(int32_t t) { 255 return __usat(t, 2); 256 } 257 258 /* 9.4.2 Saturating addition and subtraction intrinsics */ 259 // AArch32-LABEL: test_qadd 260 // AArch32: call i32 @llvm.arm.qadd(i32 %a, i32 %b) 261 int32_t test_qadd(int32_t a, int32_t b) { 262 return __qadd(a, b); 263 } 264 265 // AArch32-LABEL: test_qsub 266 // AArch32: call i32 @llvm.arm.qsub(i32 %a, i32 %b) 267 int32_t test_qsub(int32_t a, int32_t b) { 268 return __qsub(a, b); 269 } 270 271 extern int32_t f(); 272 // AArch32-LABEL: test_qdbl 273 // AArch32: [[VAR:%[a-z0-9]+]] = {{.*}} call {{.*}} @f 274 // AArch32-NOT: call {{.*}} @f 275 // AArch32: call i32 @llvm.arm.qadd(i32 [[VAR]], i32 [[VAR]]) 276 int32_t test_qdbl() { 277 return __qdbl(f()); 278 } 279 #endif 280 281 /* 9.7 CRC32 intrinsics */ 282 // ARM-LABEL: test_crc32b 283 // AArch32: call i32 @llvm.arm.crc32b 284 // AArch64: call i32 @llvm.aarch64.crc32b 285 uint32_t test_crc32b(uint32_t a, uint8_t b) { 286 return __crc32b(a, b); 287 } 288 289 // ARM-LABEL: test_crc32h 290 // AArch32: call i32 @llvm.arm.crc32h 291 // AArch64: call i32 @llvm.aarch64.crc32h 292 uint32_t test_crc32h(uint32_t a, uint16_t b) { 293 return __crc32h(a, b); 294 } 295 296 // ARM-LABEL: test_crc32w 297 // AArch32: call i32 @llvm.arm.crc32w 298 // AArch64: call i32 @llvm.aarch64.crc32w 299 uint32_t test_crc32w(uint32_t a, uint32_t b) { 300 return __crc32w(a, b); 301 } 302 303 // ARM-LABEL: test_crc32d 304 // AArch32: call i32 @llvm.arm.crc32w 305 // AArch32: call i32 @llvm.arm.crc32w 306 // AArch64: call i32 @llvm.aarch64.crc32x 307 uint32_t test_crc32d(uint32_t a, uint64_t b) { 308 return __crc32d(a, b); 309 } 310 311 // ARM-LABEL: test_crc32cb 312 // AArch32: call i32 @llvm.arm.crc32cb 313 // AArch64: call i32 @llvm.aarch64.crc32cb 314 uint32_t test_crc32cb(uint32_t a, uint8_t b) { 315 return __crc32cb(a, b); 316 } 317 318 // ARM-LABEL: test_crc32ch 319 // AArch32: call i32 @llvm.arm.crc32ch 320 // AArch64: call i32 @llvm.aarch64.crc32ch 321 uint32_t test_crc32ch(uint32_t a, uint16_t b) { 322 return __crc32ch(a, b); 323 } 324 325 // ARM-LABEL: test_crc32cw 326 // AArch32: call i32 @llvm.arm.crc32cw 327 // AArch64: call i32 @llvm.aarch64.crc32cw 328 uint32_t test_crc32cw(uint32_t a, uint32_t b) { 329 return __crc32cw(a, b); 330 } 331 332 // ARM-LABEL: test_crc32cd 333 // AArch32: call i32 @llvm.arm.crc32cw 334 // AArch32: call i32 @llvm.arm.crc32cw 335 // AArch64: call i32 @llvm.aarch64.crc32cx 336 uint32_t test_crc32cd(uint32_t a, uint64_t b) { 337 return __crc32cd(a, b); 338 } 339