clang/test/CodeGen/arm64-microsoft-intrinsics.c

   1 // RUN: %clang_cc1 -triple arm64-windows -Wno-implicit-function-declaration -fms-compatibility -emit-llvm -o - %s \
   2 // RUN:    | FileCheck %s --check-prefix=CHECK-MSVC --check-prefix=CHECK-MSCOMPAT
   3
   4 // RUN: not %clang_cc1 -triple arm64-linux -Werror -S -o /dev/null %s 2>&1 \
   5 // RUN:    | FileCheck %s -check-prefix CHECK-LINUX
   6
   7 // RUN: %clang_cc1 -triple arm64-darwin -Wno-implicit-function-declaration -fms-compatibility -emit-llvm -o - %s \
   8 // RUN:    | FileCheck %s -check-prefix CHECK-MSCOMPAT
   9
  10 long test_InterlockedAdd(long volatile *Addend, long Value) {
  11   return _InterlockedAdd(Addend, Value);
  12 }
  13
  14 long test_InterlockedAdd_constant(long volatile *Addend) {
  15   return _InterlockedAdd(Addend, -1);
  16 }
  17
  18 // CHECK-LABEL: define {{.*}} i32 @test_InterlockedAdd(ptr %Addend, i32 %Value) {{.*}} {
  19 // CHECK-MSVC: %[[OLDVAL:[0-9]+]] = atomicrmw add ptr %1, i32 %2 seq_cst, align 4
  20 // CHECK-MSVC: %[[NEWVAL:[0-9]+]] = add i32 %[[OLDVAL:[0-9]+]], %2
  21 // CHECK-MSVC: ret i32 %[[NEWVAL:[0-9]+]]
  22 // CHECK-LINUX: error: call to undeclared function '_InterlockedAdd'
  23
  24 __int64 test_InterlockedAdd64(__int64 volatile *Addend, __int64 Value) {
  25   return _InterlockedAdd64(Addend, Value);
  26 }
  27
  28 __int64 test_InterlockedAdd64_constant(__int64 volatile *Addend) {
  29   return _InterlockedAdd64(Addend, -1);
  30 }
  31
  32 // CHECK-LABEL: define {{.*}} i64 @test_InterlockedAdd64(ptr %Addend, i64 %Value) {{.*}} {
  33 // CHECK-MSVC: %[[OLDVAL:[0-9]+]] = atomicrmw add ptr %1, i64 %2 seq_cst, align 8
  34 // CHECK-MSVC: %[[NEWVAL:[0-9]+]] = add i64 %[[OLDVAL:[0-9]+]], %2
  35 // CHECK-MSVC: ret i64 %[[NEWVAL:[0-9]+]]
  36 // CHECK-LINUX: error: call to undeclared function '_InterlockedAdd64'
  37
  38 void check__dmb(void) {
  39   __dmb(0);
  40 }
  41
  42 // CHECK-MSVC: @llvm.aarch64.dmb(i32 0)
  43 // CHECK-LINUX: error: call to undeclared function '__dmb'
  44
  45 void check__dsb(void) {
  46   __dsb(0);
  47 }
  48
  49 // CHECK-MSVC: @llvm.aarch64.dsb(i32 0)
  50 // CHECK-LINUX: error: call to undeclared function '__dsb'
  51
  52 void check__isb(void) {
  53   __isb(0);
  54 }
  55
  56 // CHECK-MSVC: @llvm.aarch64.isb(i32 0)
  57 // CHECK-LINUX: error: call to undeclared function '__isb'
  58
  59 void check__yield(void) {
  60   __yield();
  61 }
  62
  63 // CHECK-MSVC: @llvm.aarch64.hint(i32 1)
  64 // CHECK-LINUX: error: call to undeclared function '__yield'
  65
  66 void check__wfe(void) {
  67   __wfe();
  68 }
  69
  70 // CHECK-MSVC: @llvm.aarch64.hint(i32 2)
  71 // CHECK-LINUX: error: call to undeclared function '__wfe'
  72
  73 void check__wfi(void) {
  74   __wfi();
  75 }
  76
  77 // CHECK-MSVC: @llvm.aarch64.hint(i32 3)
  78 // CHECK-LINUX: error: call to undeclared function '__wfi'
  79
  80 void check__sev(void) {
  81   __sev();
  82 }
  83
  84 // CHECK-MSVC: @llvm.aarch64.hint(i32 4)
  85 // CHECK-LINUX: error: call to undeclared function '__sev'
  86
  87 void check__sevl(void) {
  88   __sevl();
  89 }
  90
  91 // CHECK-MSVC: @llvm.aarch64.hint(i32 5)
  92 // CHECK-LINUX: error: call to undeclared function '__sevl'
  93
  94 void check_ReadWriteBarrier(void) {
  95   _ReadWriteBarrier();
  96 }
  97
  98 // CHECK-MSVC: fence syncscope("singlethread")
  99 // CHECK-LINUX: error: call to undeclared function '_ReadWriteBarrier'
 100
 101 long long check_mulh(long long a, long long b) {
 102   return __mulh(a, b);
 103 }
 104
 105 // CHECK-MSVC: %[[ARG1:.*]] = sext i64 {{.*}} to i128
 106 // CHECK-MSVC: %[[ARG2:.*]] = sext i64 {{.*}} to i128
 107 // CHECK-MSVC: %[[PROD:.*]] = mul nsw i128 %[[ARG1]], %[[ARG2]]
 108 // CHECK-MSVC: %[[HIGH:.*]] = ashr i128 %[[PROD]], 64
 109 // CHECK-MSVC: %[[RES:.*]] = trunc i128 %[[HIGH]] to i64
 110 // CHECK-LINUX: error: call to undeclared function '__mulh'
 111
 112 unsigned long long check_umulh(unsigned long long a, unsigned long long b) {
 113   return __umulh(a, b);
 114 }
 115
 116 // CHECK-MSVC: %[[ARG1:.*]] = zext i64 {{.*}} to i128
 117 // CHECK-MSVC: %[[ARG2:.*]] = zext i64 {{.*}} to i128
 118 // CHECK-MSVC: %[[PROD:.*]] = mul nuw i128 %[[ARG1]], %[[ARG2]]
 119 // CHECK-MSVC: %[[HIGH:.*]] = lshr i128 %[[PROD]], 64
 120 // CHECK-MSVC: %[[RES:.*]] = trunc i128 %[[HIGH]] to i64
 121 // CHECK-LINUX: error: call to undeclared function '__umulh'
 122
 123 void check__break() {
 124   __break(0);
 125 }
 126
 127 // CHECK-MSVC: call void @llvm.aarch64.break(i32 0)
 128 // CHECK-LINUX: error: call to undeclared function '__break'
 129
 130 void check__hlt() {
 131   __hlt(0);
 132   __hlt(1, 2, 3, 4, 5);
 133   int x = __hlt(0);
 134 }
 135
 136 // CHECK-MSVC: call void @llvm.aarch64.hlt(i32 0)
 137 // CHECK-LINUX: error: call to undeclared function '__hlt'
 138
 139 unsigned __int64 check__getReg(void) {
 140   unsigned volatile __int64 reg;
 141   reg = __getReg(18);
 142   reg = __getReg(31);
 143   return reg;
 144 }
 145
 146 // CHECK-MSCOMPAT: call i64 @llvm.read_register.i64(metadata ![[MD2:.*]])
 147 // CHECK-MSCOMPAT: call i64 @llvm.read_register.i64(metadata ![[MD3:.*]])
 148
 149 #ifdef __LP64__
 150 #define LONG __int32
 151 #else
 152 #define LONG long
 153 #endif
 154
 155 #ifdef __LP64__
 156 void check__writex18byte(unsigned char data, unsigned LONG offset) {
 157 #else
 158 void check__writex18byte(unsigned LONG offset, unsigned char data) {
 159 #endif
 160   __writex18byte(offset, data);
 161 }
 162
 163 // CHECK-MSCOMPAT: %[[DATA_ADDR:.*]] = alloca i8, align 1
 164 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 165 // CHECK-MSCOMPAT: store i8 %data, ptr %[[DATA_ADDR]], align 1
 166 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 167 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 168 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 169 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 170 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 171 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 172 // CHECK-MSCOMPAT: %[[DATA:.*]] = load i8, ptr %[[DATA_ADDR]], align 1
 173 // CHECK-MSCOMPAT: store i8 %[[DATA]], ptr %[[PTR]], align 1
 174
 175 #ifdef __LP64__
 176 void check__writex18word(unsigned short data, unsigned LONG offset) {
 177 #else
 178 void check__writex18word(unsigned LONG offset, unsigned short data) {
 179 #endif
 180   __writex18word(offset, data);
 181 }
 182
 183 // CHECK-MSCOMPAT: %[[DATA_ADDR:.*]] = alloca i16, align 2
 184 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 185 // CHECK-MSCOMPAT: store i16 %data, ptr %[[DATA_ADDR]], align 2
 186 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 187 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 188 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 189 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 190 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 191 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 192 // CHECK-MSCOMPAT: %[[DATA:.*]] = load i16, ptr %[[DATA_ADDR]], align 2
 193 // CHECK-MSCOMPAT: store i16 %[[DATA]], ptr %[[PTR]], align 1
 194
 195 #ifdef __LP64__
 196 void check__writex18dword(unsigned LONG data, unsigned LONG offset) {
 197 #else
 198 void check__writex18dword(unsigned LONG offset, unsigned LONG data) {
 199 #endif
 200   __writex18dword(offset, data);
 201 }
 202
 203 // CHECK-MSCOMPAT: %[[DATA_ADDR:.*]] = alloca i32, align 4
 204 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 205 // CHECK-MSCOMPAT: store i32 %data, ptr %[[DATA_ADDR]], align 4
 206 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 207 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 208 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 209 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 210 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 211 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 212 // CHECK-MSCOMPAT: %[[DATA:.*]] = load i32, ptr %[[DATA_ADDR]], align 4
 213 // CHECK-MSCOMPAT: store i32 %[[DATA]], ptr %[[PTR]], align 1
 214
 215 #ifdef __LP64__
 216 void check__writex18qword(unsigned __int64 data, unsigned LONG offset) {
 217 #else
 218 void check__writex18qword(unsigned LONG offset, unsigned __int64 data) {
 219 #endif
 220   __writex18qword(offset, data);
 221 }
 222
 223 // CHECK-MSCOMPAT: %[[DATA_ADDR:.*]] = alloca i64, align 8
 224 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 225 // CHECK-MSCOMPAT: store i64 %data, ptr %[[DATA_ADDR]], align 8
 226 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 227 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 228 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 229 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 230 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 231 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 232 // CHECK-MSCOMPAT: %[[DATA:.*]] = load i64, ptr %[[DATA_ADDR]], align 8
 233 // CHECK-MSCOMPAT: store i64 %[[DATA]], ptr %[[PTR]], align 1
 234
 235 unsigned char check__readx18byte(unsigned LONG offset) {
 236   return __readx18byte(offset);
 237 }
 238
 239 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 240 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 241 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 242 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 243 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 244 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 245 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 246 // CHECK-MSCOMPAT: %[[RETVAL:.*]] = load i8, ptr %[[PTR]], align 1
 247 // CHECK-MSCOMPAT: ret i8 %[[RETVAL]]
 248
 249 unsigned short check__readx18word(unsigned LONG offset) {
 250   return __readx18word(offset);
 251 }
 252
 253 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 254 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 255 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 256 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 257 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 258 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 259 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 260 // CHECK-MSCOMPAT: %[[RETVAL:.*]] = load i16, ptr %[[PTR]], align 1
 261 // CHECK-MSCOMPAT: ret i16 %[[RETVAL]]
 262
 263 unsigned LONG check__readx18dword(unsigned LONG offset) {
 264   return __readx18dword(offset);
 265 }
 266
 267 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 268 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 269 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 270 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 271 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 272 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 273 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 274 // CHECK-MSCOMPAT: %[[RETVAL:.*]] = load i32, ptr %[[PTR]], align 1
 275 // CHECK-MSCOMPAT: ret i32 %[[RETVAL]]
 276
 277 unsigned __int64 check__readx18qword(unsigned LONG offset) {
 278   return __readx18qword(offset);
 279 }
 280
 281 // CHECK-MSCOMPAT: %[[OFFSET_ADDR:.*]] = alloca i32, align 4
 282 // CHECK-MSCOMPAT: store i32 %offset, ptr %[[OFFSET_ADDR]], align 4
 283 // CHECK-MSCOMPAT: %[[X18:.*]] = call i64 @llvm.read_register.i64(metadata ![[MD2]])
 284 // CHECK-MSCOMPAT: %[[X18_AS_PTR:.*]] = inttoptr i64 %[[X18]] to ptr
 285 // CHECK-MSCOMPAT: %[[OFFSET:.*]] = load i32, ptr %[[OFFSET_ADDR]], align 4
 286 // CHECK-MSCOMPAT: %[[ZEXT_OFFSET:.*]] = zext i32 %[[OFFSET]] to i64
 287 // CHECK-MSCOMPAT: %[[PTR:.*]] = getelementptr i8, ptr %[[X18_AS_PTR]], i64 %[[ZEXT_OFFSET]]
 288 // CHECK-MSCOMPAT: %[[RETVAL:.*]] = load i64, ptr %[[PTR]], align 1
 289 // CHECK-MSCOMPAT: ret i64 %[[RETVAL]]
 290
 291 double check__CopyDoubleFromInt64(__int64 arg1) {
 292   return _CopyDoubleFromInt64(arg1);
 293 }
 294
 295 // CHECK-MSCOMPAT: %[[ARG:.*]].addr = alloca i64, align 8
 296 // CHECK-MSCOMPAT: store i64 %[[ARG]], ptr %[[ARG]].addr, align 8
 297 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i64, ptr %[[ARG]].addr, align 8
 298 // CHECK-MSCOMPAT: %[[VAR1:.*]] = bitcast i64 %[[VAR0]] to double
 299 // CHECK-MSCOMPAT: ret double %[[VAR1]]
 300 // CHECK-LINUX: error: call to undeclared function '_CopyDoubleFromInt64'
 301
 302 float check__CopyFloatFromInt32(__int32 arg1) {
 303   return _CopyFloatFromInt32(arg1);
 304 }
 305
 306 // CHECK-MSCOMPAT: %[[ARG:.*]].addr = alloca i32, align 4
 307 // CHECK-MSCOMPAT: store i32 %[[ARG]], ptr %[[ARG]].addr, align 4
 308 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i32, ptr %[[ARG]].addr, align 4
 309 // CHECK-MSCOMPAT: %[[VAR1:.*]] = bitcast i32 %[[VAR0]] to float
 310 // CHECK-MSCOMPAT: ret float %[[VAR1]]
 311 // CHECK-LINUX: error: call to undeclared function '_CopyFloatFromInt32'
 312
 313 __int32 check__CopyInt32FromFloat(float arg1) {
 314   return _CopyInt32FromFloat(arg1);
 315 }
 316
 317 // CHECK-MSCOMPAT: %[[ARG:.*]].addr = alloca float, align 4
 318 // CHECK-MSCOMPAT: store float %[[ARG]], ptr %[[ARG]].addr, align 4
 319 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load float, ptr %[[ARG]].addr, align 4
 320 // CHECK-MSCOMPAT: %[[VAR1:.*]] = bitcast float %[[VAR0]] to i32
 321 // CHECK-MSCOMPAT: ret i32 %[[VAR1]]
 322 // CHECK-LINUX: error: call to undeclared function '_CopyInt32FromFloat'
 323
 324 __int64 check__CopyInt64FromDouble(double arg1) {
 325   return _CopyInt64FromDouble(arg1);
 326 }
 327
 328 // CHECK-MSCOMPAT: %[[ARG:.*]].addr = alloca double, align 8
 329 // CHECK-MSCOMPAT: store double %[[ARG]], ptr %[[ARG]].addr, align 8
 330 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load double, ptr %[[ARG]].addr, align 8
 331 // CHECK-MSCOMPAT: %[[VAR1:.*]] = bitcast double %[[VAR0]] to i64
 332 // CHECK-MSCOMPAT: ret i64 %[[VAR1]]
 333 // CHECK-LINUX: error: call to undeclared function '_CopyInt64FromDouble'
 334
 335 unsigned int check__CountLeadingOnes(unsigned LONG arg1) {
 336   return _CountLeadingOnes(arg1);
 337 }
 338
 339 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i32, align 4
 340 // CHECK-MSCOMPAT: store i32 %[[ARG1]], ptr %[[ARG1]].addr, align 4
 341 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i32, ptr %[[ARG1]].addr, align 4
 342 // CHECK-MSCOMPAT: %[[VAR1:.*]] = xor i32 %[[VAR0]], -1
 343 // CHECK-MSCOMPAT: %[[VAR2:.*]] = call i32 @llvm.ctlz.i32(i32 %1, i1 false)
 344 // CHECK-MSCOMPAT: ret i32 %[[VAR2]]
 345 // CHECK-LINUX: error: call to undeclared function '_CountLeadingOnes'
 346
 347 unsigned int check__CountLeadingOnes64(unsigned __int64 arg1) {
 348   return _CountLeadingOnes64(arg1);
 349 }
 350
 351 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i64, align 8
 352 // CHECK-MSCOMPAT: store i64 %[[ARG1]], ptr %[[ARG1]].addr, align 8
 353 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i64, ptr %[[ARG1]].addr, align 8
 354 // CHECK-MSCOMPAT: %[[VAR1:.*]] = xor i64 %[[VAR0]], -1
 355 // CHECK-MSCOMPAT: %[[VAR2:.*]] = call i64 @llvm.ctlz.i64(i64 %1, i1 false)
 356 // CHECK-MSCOMPAT: %[[VAR3:.*]] = trunc i64 %2 to i32
 357 // CHECK-MSCOMPAT: ret i32 %[[VAR3]]
 358 // CHECK-LINUX: error: call to undeclared function '_CountLeadingOnes64'
 359
 360 unsigned int check__CountLeadingSigns(__int32 arg1) {
 361   return _CountLeadingSigns(arg1);
 362 }
 363
 364 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i32, align 4
 365 // CHECK-MSCOMPAT: store i32 %[[ARG1]], ptr %[[ARG1]].addr, align 4
 366 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i32, ptr %[[ARG1]].addr, align 4
 367 // CHECK-MSCOMPAT: %[[CLS:.*]] = call i32 @llvm.aarch64.cls(i32 %[[VAR0]])
 368 // CHECK-MSCOMPAT: ret i32 %[[CLS]]
 369 // CHECK-LINUX: error: call to undeclared function '_CountLeadingSigns'
 370
 371 unsigned int check__CountLeadingSigns64(__int64 arg1) {
 372   return _CountLeadingSigns64(arg1);
 373 }
 374
 375 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i64, align 8
 376 // CHECK-MSCOMPAT: store i64 %[[ARG1]], ptr %[[ARG1]].addr, align 8
 377 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i64, ptr %[[ARG1]].addr, align 8
 378 // CHECK-MSCOMPAT: %[[CLS:.*]] = call i32 @llvm.aarch64.cls64(i64 %[[VAR0]])
 379 // CHECK-MSCOMPAT: ret i32 %[[CLS]]
 380 // CHECK-LINUX: error: call to undeclared function '_CountLeadingSigns64'
 381
 382 unsigned int check__CountLeadingZeros(__int32 arg1) {
 383   return _CountLeadingZeros(arg1);
 384 }
 385
 386 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i32, align 4
 387 // CHECK-MSCOMPAT: store i32 %[[ARG1]], ptr %[[ARG1]].addr, align 4
 388 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i32, ptr %[[ARG1]].addr, align 4
 389 // CHECK-MSCOMPAT: %[[VAR1:.*]] = call i32 @llvm.ctlz.i32(i32 %[[VAR0]], i1 false)
 390 // CHECK-MSCOMPAT: ret i32 %[[VAR1]]
 391 // CHECK-LINUX: error: call to undeclared function '_CountLeadingZeros'
 392
 393 unsigned int check__CountLeadingZeros64(__int64 arg1) {
 394   return _CountLeadingZeros64(arg1);
 395 }
 396
 397 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i64, align 8
 398 // CHECK-MSCOMPAT: store i64 %[[ARG1]], ptr %[[ARG1]].addr, align 8
 399 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i64, ptr %[[ARG1]].addr, align 8
 400 // CHECK-MSCOMPAT: %[[VAR1:.*]] = call i64 @llvm.ctlz.i64(i64 %[[VAR0]], i1 false)
 401 // CHECK-MSCOMPAT: %[[VAR2:.*]] = trunc i64 %[[VAR1]] to i32
 402 // CHECK-MSCOMPAT: ret i32 %[[VAR2]]
 403 // CHECK-LINUX: error: call to undeclared function '_CountLeadingZeros64'
 404
 405 unsigned int check_CountOneBits(unsigned LONG arg1) {
 406   return _CountOneBits(arg1);
 407 }
 408
 409 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i32, align 4
 410 // CHECK-MSCOMPAT: store i32 %[[ARG1]], ptr %[[ARG1]].addr, align 4
 411 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i32, ptr %[[ARG1]].addr, align 4
 412 // CHECK-MSCOMPAT: %[[VAR1:.*]] = call i32 @llvm.ctpop.i32(i32 %0)
 413 // CHECK-MSCOMPAT: ret i32 %[[VAR1]]
 414 // CHECK-LINUX: error: call to undeclared function '_CountOneBits'
 415
 416 unsigned int check_CountOneBits64(unsigned __int64 arg1) {
 417   return _CountOneBits64(arg1);
 418 }
 419
 420 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca i64, align 8
 421 // CHECK-MSCOMPAT: store i64 %[[ARG1]], ptr %[[ARG1]].addr, align 8
 422 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load i64, ptr %[[ARG1]].addr, align 8
 423 // CHECK-MSCOMPAT: %[[VAR1:.*]] = call i64 @llvm.ctpop.i64(i64 %0)
 424 // CHECK-MSCOMPAT: %[[VAR2:.*]] = trunc i64 %1 to i32
 425 // CHECK-MSCOMPAT: ret i32 %[[VAR2]]
 426 // CHECK-LINUX: error: call to undeclared function '_CountOneBits64'
 427
 428 void check__prefetch(void *arg1) {
 429   return __prefetch(arg1);
 430 }
 431
 432 // CHECK-MSCOMPAT: %[[ARG1:.*]].addr = alloca ptr, align 8
 433 // CHECK-MSCOMPAT: store ptr %[[ARG1]], ptr %[[ARG1]].addr, align 8
 434 // CHECK-MSCOMPAT: %[[VAR0:.*]] = load ptr, ptr %[[ARG1]].addr, align 8
 435 // CHECK-MSCOMPAT: call void @llvm.prefetch.p0(ptr %[[VAR0]], i32 0, i32 3, i32 1)
 436 // CHECK-MSCOMPAT: ret void
 437
 438
 439 // CHECK-MSCOMPAT: ![[MD2]] = !{!"x18"}
 440 // CHECK-MSCOMPAT: ![[MD3]] = !{!"sp"}