clang/test/CodeGen/fp16-ops.c

   1 // REQUIRES: arm-registered-target
   2 // RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi %s | FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
   3 // RUN: %clang_cc1 -emit-llvm -o - -triple aarch64-none-linux-gnueabi %s | FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
   4 // RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-linux-gnu %s | FileCheck %s --check-prefix=NOTNATIVE --check-prefix=CHECK
   5 // RUN: %clang_cc1 -emit-llvm -o - -triple arm-none-linux-gnueabi -fnative-half-type %s \
   6 // RUN:   | FileCheck %s --check-prefix=NATIVE-HALF
   7 // RUN: %clang_cc1 -emit-llvm -o - -triple aarch64-none-linux-gnueabi -fnative-half-type %s \
   8 // RUN:   | FileCheck %s --check-prefix=NATIVE-HALF
   9 // RUN: %clang_cc1 -emit-llvm -o - -x renderscript %s \
  10 // RUN:   | FileCheck %s --check-prefix=NATIVE-HALF
  11 typedef unsigned cond_t;
  12 typedef __fp16 float16_t;
  13
  14 volatile cond_t test;
  15 volatile int i0;
  16 volatile __fp16 h0 = 0.0, h1 = 1.0, h2;
  17 volatile float f0, f1, f2;
  18 volatile double d0;
  19 short s0;
  20
  21 void foo(void) {
  22   // CHECK-LABEL: define{{.*}} void @foo()
  23
  24   // Check unary ops
  25
  26   // NOTNATIVE: [[F16TOF32:fpext half]]
  27   // CHECK: fptoui float
  28   // NATIVE-HALF: fptoui half
  29   test = (h0);
  30   // CHECK: uitofp i32
  31   // NOTNATIVE: [[F32TOF16:fptrunc float]]
  32   // NATIVE-HALF: uitofp i32 {{.*}} to half
  33   h0 = (test);
  34   // CHECK: [[F16TOF32]]
  35   // CHECK: fcmp une float
  36   // NATIVE-HALF: fcmp une half
  37   test = (!h1);
  38   // CHECK: [[F16TOF32]]
  39   // CHECK: fneg float
  40   // NOTNATIVE: [[F32TOF16]]
  41   // NATIVE-HALF: fneg half
  42   h1 = -h1;
  43   // CHECK: [[F16TOF32]]
  44   // CHECK: [[F32TOF16]]
  45   // NATIVE-HALF: load volatile half
  46   // NATIVE-HALF-NEXT: store volatile half
  47   h1 = +h1;
  48   // CHECK: [[F16TOF32]]
  49   // CHECK: fadd float
  50   // CHECK: [[F32TOF16]]
  51   // NATIVE-HALF: fadd half
  52   h1++;
  53   // CHECK: [[F16TOF32]]
  54   // CHECK: fadd float
  55   // CHECK: [[F32TOF16]]
  56   // NATIVE-HALF: fadd half
  57   ++h1;
  58   // CHECK: [[F16TOF32]]
  59   // CHECK: fadd float
  60   // CHECK: [[F32TOF16]]
  61   // NATIVE-HALF: fadd half
  62   --h1;
  63   // CHECK: [[F16TOF32]]
  64   // CHECK: fadd float
  65   // CHECK: [[F32TOF16]]
  66   // NATIVE-HALF: fadd half
  67   h1--;
  68
  69   // Check binary ops with various operands
  70   // CHECK: [[F16TOF32]]
  71   // CHECK: [[F16TOF32]]
  72   // CHECK: fmul float
  73   // CHECK: [[F32TOF16]]
  74   // NATIVE-HALF: fmul half
  75   h1 = h0 * h2;
  76   // CHECK: [[F16TOF32]]
  77   // CHECK: fmul float
  78   // CHECK: [[F32TOF16]]
  79   // NATIVE-HALF: fmul half
  80   h1 = h0 * (__fp16) -2.0f;
  81   // CHECK: [[F16TOF32]]
  82   // CHECK: fmul float
  83   // CHECK: [[F32TOF16]]
  84   // NATIVE-HALF: fpext half
  85   // NATIVE-HALF: fmul float
  86   h1 = h0 * f2;
  87   // CHECK: [[F16TOF32]]
  88   // CHECK: fmul float
  89   // CHECK: [[F32TOF16]]
  90   // NATIVE-HALF: fpext half
  91   // NATIVE-HALF: fmul float
  92   h1 = f0 * h2;
  93   // CHECK: [[F16TOF32]]
  94   // CHECK: fmul float
  95   // CHECK: [[F32TOF16]]
  96   // NATIVE-HALF: fmul half
  97   h1 = h0 * i0;
  98
  99   // CHECK: [[F16TOF32]]
 100   // CHECK: [[F16TOF32]]
 101   // CHECK: fdiv float
 102   // CHECK: [[F32TOF16]]
 103   // NATIVE-HALF: fdiv half
 104   h1 = (h0 / h2);
 105   // CHECK: [[F16TOF32]]
 106   // CHECK: fdiv float
 107   // CHECK: [[F32TOF16]]
 108   // NATIVE-HALF: fdiv half
 109   h1 = (h0 / (__fp16) -2.0f);
 110   // CHECK: [[F16TOF32]]
 111   // CHECK: fdiv float
 112   // CHECK: [[F32TOF16]]
 113   // NATIVE-HALF: fpext half
 114   // NATIVE-HALF: fdiv float
 115   h1 = (h0 / f2);
 116   // CHECK: [[F16TOF32]]
 117   // CHECK: fdiv float
 118   // CHECK: [[F32TOF16]]
 119   // NATIVE-HALF: fpext half
 120   // NATIVE-HALF: fdiv float
 121   h1 = (f0 / h2);
 122   // CHECK: [[F16TOF32]]
 123   // CHECK: fdiv float
 124   // CHECK: [[F32TOF16]]
 125   // NATIVE-HALF: fdiv half
 126   h1 = (h0 / i0);
 127
 128   // CHECK: [[F16TOF32]]
 129   // CHECK: [[F16TOF32]]
 130   // CHECK: fadd float
 131   // CHECK: [[F32TOF16]]
 132   // NATIVE-HALF: fadd half
 133   h1 = (h2 + h0);
 134   // CHECK: [[F16TOF32]]
 135   // CHECK: fadd float
 136   // CHECK: [[F32TOF16]]
 137   // NATIVE-HALF: fadd half
 138   h1 = ((__fp16)-2.0 + h0);
 139   // CHECK: [[F16TOF32]]
 140   // CHECK: fadd float
 141   // CHECK: [[F32TOF16]]
 142   // NATIVE-HALF: fpext half
 143   // NATIVE-HALF: fadd float
 144   h1 = (h2 + f0);
 145   // CHECK: [[F16TOF32]]
 146   // CHECK: fadd float
 147   // CHECK: [[F32TOF16]]
 148   // NATIVE-HALF: fpext half
 149   // NATIVE-HALF: fadd float
 150   h1 = (f2 + h0);
 151   // CHECK: [[F16TOF32]]
 152   // CHECK: fadd float
 153   // CHECK: [[F32TOF16]]
 154   // NATIVE-HALF: fadd half
 155   h1 = (h0 + i0);
 156
 157   // CHECK: [[F16TOF32]]
 158   // CHECK: [[F16TOF32]]
 159   // CHECK: fsub float
 160   // CHECK: [[F32TOF16]]
 161   // NATIVE-HALF: fsub half
 162   h1 = (h2 - h0);
 163   // CHECK: [[F16TOF32]]
 164   // CHECK: fsub float
 165   // CHECK: [[F32TOF16]]
 166   // NATIVE-HALF: fsub half
 167   h1 = ((__fp16)-2.0f - h0);
 168   // CHECK: [[F16TOF32]]
 169   // CHECK: fsub float
 170   // CHECK: [[F32TOF16]]
 171   // NATIVE-HALF: fpext half
 172   // NATIVE-HALF: fsub float
 173   h1 = (h2 - f0);
 174   // CHECK: [[F16TOF32]]
 175   // CHECK: fsub float
 176   // CHECK: [[F32TOF16]]
 177   // NATIVE-HALF: fpext half
 178   // NATIVE-HALF: fsub float
 179   h1 = (f2 - h0);
 180   // CHECK: [[F16TOF32]]
 181   // CHECK: fsub float
 182   // CHECK: [[F32TOF16]]
 183   // NATIVE-HALF: fsub half
 184   h1 = (h0 - i0);
 185
 186   // CHECK: [[F16TOF32]]
 187   // CHECK: [[F16TOF32]]
 188   // CHECK: fcmp olt float
 189   // NATIVE-HALF: fcmp olt half
 190   test = (h2 < h0);
 191   // CHECK: [[F16TOF32]]
 192   // CHECK: fcmp olt float
 193   // NATIVE-HALF: fcmp olt half
 194   test = (h2 < (__fp16)42.0);
 195   // CHECK: [[F16TOF32]]
 196   // CHECK: fcmp olt float
 197   // NATIVE-HALF: fpext half
 198   // NATIVE-HALF: fcmp olt float
 199   test = (h2 < f0);
 200   // CHECK: [[F16TOF32]]
 201   // CHECK: fcmp olt float
 202   // NATIVE-HALF: fpext half
 203   // NATIVE-HALF: fcmp olt float
 204   test = (f2 < h0);
 205   // CHECK: [[F16TOF32]]
 206   // CHECK: fcmp olt float
 207   // NATIVE-HALF: fcmp olt half
 208   test = (i0 < h0);
 209   // CHECK: [[F16TOF32]]
 210   // CHECK: fcmp olt float
 211   // NATIVE-HALF: fcmp olt half
 212   test = (h0 < i0);
 213
 214   // CHECK: [[F16TOF32]]
 215   // CHECK: [[F16TOF32]]
 216   // CHECK: fcmp ogt float
 217   // NATIVE-HALF: fcmp ogt half
 218   test = (h0 > h2);
 219   // CHECK: [[F16TOF32]]
 220   // CHECK: fcmp ogt float
 221   // NATIVE-HALF: fcmp ogt half
 222   test = ((__fp16)42.0 > h2);
 223   // CHECK: [[F16TOF32]]
 224   // CHECK: fcmp ogt float
 225   // NATIVE-HALF: fpext half
 226   // NATIVE-HALF: fcmp ogt float
 227   test = (h0 > f2);
 228   // CHECK: [[F16TOF32]]
 229   // CHECK: fcmp ogt float
 230   // NATIVE-HALF: fpext half
 231   // NATIVE-HALF: fcmp ogt float
 232   test = (f0 > h2);
 233   // CHECK: [[F16TOF32]]
 234   // CHECK: fcmp ogt float
 235   // NATIVE-HALF: fcmp ogt half
 236   test = (i0 > h0);
 237   // CHECK: [[F16TOF32]]
 238   // CHECK: fcmp ogt float
 239   // NATIVE-HALF: fcmp ogt half
 240   test = (h0 > i0);
 241
 242   // CHECK: [[F16TOF32]]
 243   // CHECK: [[F16TOF32]]
 244   // CHECK: fcmp ole float
 245   // NATIVE-HALF: fcmp ole half
 246   test = (h2 <= h0);
 247   // CHECK: [[F16TOF32]]
 248   // CHECK: fcmp ole float
 249   // NATIVE-HALF: fcmp ole half
 250   test = (h2 <= (__fp16)42.0);
 251   // CHECK: [[F16TOF32]]
 252   // CHECK: fcmp ole float
 253   // NATIVE-HALF: fpext half
 254   // NATIVE-HALF: fcmp ole float
 255   test = (h2 <= f0);
 256   // CHECK: [[F16TOF32]]
 257   // CHECK: fcmp ole float
 258   // NATIVE-HALF: fpext half
 259   // NATIVE-HALF: fcmp ole float
 260   test = (f2 <= h0);
 261   // CHECK: [[F16TOF32]]
 262   // CHECK: fcmp ole float
 263   // NATIVE-HALF: fcmp ole half
 264   test = (i0 <= h0);
 265   // CHECK: [[F16TOF32]]
 266   // CHECK: fcmp ole float
 267   // NATIVE-HALF: fcmp ole half
 268   test = (h0 <= i0);
 269
 270
 271   // CHECK: [[F16TOF32]]
 272   // CHECK: [[F16TOF32]]
 273   // CHECK: fcmp oge float
 274   // NATIVE-HALF: fcmp oge half
 275   test = (h0 >= h2);
 276   // CHECK: [[F16TOF32]]
 277   // CHECK: fcmp oge float
 278   // NATIVE-HALF: fcmp oge half
 279   test = (h0 >= (__fp16)-2.0);
 280   // CHECK: [[F16TOF32]]
 281   // CHECK: fcmp oge float
 282   // NATIVE-HALF: fpext half
 283   // NATIVE-HALF: fcmp oge float
 284   test = (h0 >= f2);
 285   // CHECK: [[F16TOF32]]
 286   // CHECK: fcmp oge float
 287   // NATIVE-HALF: fpext half
 288   // NATIVE-HALF: fcmp oge float
 289   test = (f0 >= h2);
 290   // CHECK: [[F16TOF32]]
 291   // CHECK: fcmp oge float
 292   // NATIVE-HALF: fcmp oge half
 293   test = (i0 >= h0);
 294   // CHECK: [[F16TOF32]]
 295   // CHECK: fcmp oge float
 296   // NATIVE-HALF: fcmp oge half
 297   test = (h0 >= i0);
 298
 299   // CHECK: [[F16TOF32]]
 300   // CHECK: [[F16TOF32]]
 301   // CHECK: fcmp oeq float
 302   // NATIVE-HALF: fcmp oeq half
 303   test = (h1 == h2);
 304   // CHECK: [[F16TOF32]]
 305   // CHECK: fcmp oeq float
 306   // NATIVE-HALF: fcmp oeq half
 307   test = (h1 == (__fp16)1.0);
 308   // CHECK: [[F16TOF32]]
 309   // CHECK: fcmp oeq float
 310   // NATIVE-HALF: fpext half
 311   // NATIVE-HALF: fcmp oeq float
 312   test = (h1 == f1);
 313   // CHECK: [[F16TOF32]]
 314   // CHECK: fcmp oeq float
 315   // NATIVE-HALF: fpext half
 316   // NATIVE-HALF: fcmp oeq float
 317   test = (f1 == h1);
 318   // CHECK: [[F16TOF32]]
 319   // CHECK: fcmp oeq float
 320   // NATIVE-HALF: fcmp oeq half
 321   test = (i0 == h0);
 322   // CHECK: [[F16TOF32]]
 323   // CHECK: fcmp oeq float
 324   // NATIVE-HALF: fcmp oeq half
 325   test = (h0 == i0);
 326
 327   // CHECK: [[F16TOF32]]
 328   // CHECK: [[F16TOF32]]
 329   // CHECK: fcmp une float
 330   // NATIVE-HALF: fcmp une half
 331   test = (h1 != h2);
 332   // CHECK: [[F16TOF32]]
 333   // CHECK: fcmp une float
 334   // NATIVE-HALF: fcmp une half
 335   test = (h1 != (__fp16)1.0);
 336   // CHECK: [[F16TOF32]]
 337   // CHECK: fcmp une float
 338   // NATIVE-HALF: fpext half
 339   // NATIVE-HALF: fcmp une float
 340   test = (h1 != f1);
 341   // CHECK: [[F16TOF32]]
 342   // CHECK: fcmp une float
 343   // NATIVE-HALF: fpext half
 344   // NATIVE-HALF: fcmp une float
 345   test = (f1 != h1);
 346   // CHECK: [[F16TOF32]]
 347   // CHECK: fcmp une float
 348   // NATIVE-HALF: fcmp une half
 349   test = (i0 != h0);
 350   // CHECK: [[F16TOF32]]
 351   // CHECK: fcmp une float
 352   // NATIVE-HALF: fcmp une half
 353   test = (h0 != i0);
 354
 355   // CHECK: [[F16TOF32]]
 356   // CHECK: fcmp une float
 357   // CHECK: [[F16TOF32]]
 358   // CHECK: [[F16TOF32]]
 359   // CHECK: [[F32TOF16]]
 360   // NATIVE-HALF: fcmp une half {{.*}}, 0xH0000
 361   h1 = (h1 ? h2 : h0);
 362   // Check assignments (inc. compound)
 363   h0 = h1;
 364   // NOTNATIVE: store {{.*}} half 0xHC000
 365   // NATIVE-HALF: store {{.*}} half 0xHC000
 366   h0 = (__fp16)-2.0f;
 367   // CHECK: [[F32TOF16]]
 368   // NATIVE-HALF: fptrunc float
 369   h0 = f0;
 370
 371   // CHECK: sitofp i32 {{.*}} to float
 372   // CHECK: [[F32TOF16]]
 373   // NATIVE-HALF: sitofp i32 {{.*}} to half
 374   h0 = i0;
 375   // CHECK: [[F16TOF32]]
 376   // CHECK: fptosi float {{.*}} to i32
 377   // NATIVE-HALF: fptosi half {{.*}} to i32
 378   i0 = h0;
 379
 380   // CHECK: [[F16TOF32]]
 381   // CHECK: [[F16TOF32]]
 382   // CHECK: fadd float
 383   // CHECK: [[F32TOF16]]
 384   // NATIVE-HALF: fadd half
 385   h0 += h1;
 386   // CHECK: [[F16TOF32]]
 387   // CHECK: fadd float
 388   // CHECK: [[F32TOF16]]
 389   // NATIVE-HALF: fadd half
 390   h0 += (__fp16)1.0f;
 391   // CHECK: [[F16TOF32]]
 392   // CHECK: fadd float
 393   // CHECK: [[F32TOF16]]
 394   // NATIVE-HALF: fpext half
 395   // NATIVE-HALF: fadd float
 396   // NATIVE-HALF: fptrunc float
 397   h0 += f2;
 398   // CHECK: [[F16TOF32]]
 399   // CHECK: sitofp i32 {{.*}} to float
 400   // CHECK: fadd float
 401   // CHECK: fptosi float {{.*}} to i32
 402   // NATIVE-HALF: sitofp i32 {{.*}} to half
 403   // NATIVE-HALF: fadd half
 404   // NATIVE-HALF: fptosi half {{.*}} to i32
 405   i0 += h0;
 406   // CHECK: sitofp i32 {{.*}} to float
 407   // CHECK: [[F16TOF32]]
 408   // CHECK: fadd float
 409   // CHECK: [[F32TOF16]]
 410   // NATIVE-HALF: sitofp i32 {{.*}} to half
 411   // NATIVE-HALF: fadd half
 412   h0 += i0;
 413
 414   // CHECK: [[F16TOF32]]
 415   // CHECK: [[F16TOF32]]
 416   // CHECK: fsub float
 417   // CHECK: [[F32TOF16]]
 418   // NATIVE-HALF: fsub half
 419   h0 -= h1;
 420   // CHECK: [[F16TOF32]]
 421   // CHECK: fsub float
 422   // CHECK: [[F32TOF16]]
 423   // NATIVE-HALF: fsub half
 424   h0 -= (__fp16)1.0;
 425   // CHECK: [[F16TOF32]]
 426   // CHECK: fsub float
 427   // CHECK: [[F32TOF16]]
 428   // NATIVE-HALF: fpext half
 429   // NATIVE-HALF: fsub float
 430   // NATIVE-HALF: fptrunc float
 431   h0 -= f2;
 432   // CHECK: [[F16TOF32]]
 433   // CHECK: sitofp i32 {{.*}} to float
 434   // CHECK: fsub float
 435   // CHECK: fptosi float {{.*}} to i32
 436   // NATIVE-HALF: sitofp i32 {{.*}} to half
 437   // NATIVE-HALF: fsub half
 438   // NATIVE-HALF: fptosi half {{.*}} to i32
 439   i0 -= h0;
 440   // CHECK: sitofp i32 {{.*}} to float
 441   // CHECK: [[F16TOF32]]
 442   // CHECK: fsub float
 443   // CHECK: [[F32TOF16]]
 444   // NATIVE-HALF: sitofp i32 {{.*}} to half
 445   // NATIVE-HALF: fsub half
 446   h0 -= i0;
 447
 448   // CHECK: [[F16TOF32]]
 449   // CHECK: [[F16TOF32]]
 450   // CHECK: fmul float
 451   // CHECK: [[F32TOF16]]
 452   // NATIVE-HALF: fmul half
 453   h0 *= h1;
 454   // CHECK: [[F16TOF32]]
 455   // CHECK: fmul float
 456   // CHECK: [[F32TOF16]]
 457   // NATIVE-HALF: fmul half
 458   h0 *= (__fp16)1.0;
 459   // CHECK: [[F16TOF32]]
 460   // CHECK: fmul float
 461   // CHECK: [[F32TOF16]]
 462   // NATIVE-HALF: fpext half
 463   // NATIVE-HALF: fmul float
 464   // NATIVE-HALF: fptrunc float
 465   h0 *= f2;
 466   // CHECK: [[F16TOF32]]
 467   // CHECK: sitofp i32 {{.*}} to float
 468   // CHECK: fmul float
 469   // CHECK: fptosi float {{.*}} to i32
 470   // NATIVE-HALF: sitofp i32 {{.*}} to half
 471   // NATIVE-HALF: fmul half
 472   // NATIVE-HALF: fptosi half {{.*}} to i32
 473   i0 *= h0;
 474   // CHECK: sitofp i32 {{.*}} to float
 475   // CHECK: [[F16TOF32]]
 476   // CHECK: fmul float
 477   // CHECK: [[F32TOF16]]
 478   // NATIVE-HALF: sitofp i32 {{.*}} to half
 479   // NATIVE-HALF: fmul half
 480   h0 *= i0;
 481
 482   // CHECK: [[F16TOF32]]
 483   // CHECK: [[F16TOF32]]
 484   // CHECK: fdiv float
 485   // CHECK: [[F32TOF16]]
 486   // NATIVE-HALF: fdiv half
 487   h0 /= h1;
 488   // CHECK: [[F16TOF32]]
 489   // CHECK: fdiv float
 490   // CHECK: [[F32TOF16]]
 491   // NATIVE-HALF: fdiv half
 492   h0 /= (__fp16)1.0;
 493   // CHECK: [[F16TOF32]]
 494   // CHECK: fdiv float
 495   // CHECK: [[F32TOF16]]
 496   // NATIVE-HALF: fpext half
 497   // NATIVE-HALF: fdiv float
 498   // NATIVE-HALF: fptrunc float
 499   h0 /= f2;
 500   // CHECK: [[F16TOF32]]
 501   // CHECK: sitofp i32 {{.*}} to float
 502   // CHECK: fdiv float
 503   // CHECK: fptosi float {{.*}} to i32
 504   // NATIVE-HALF: sitofp i32 {{.*}} to half
 505   // NATIVE-HALF: fdiv half
 506   // NATIVE-HALF: fptosi half {{.*}} to i32
 507   i0 /= h0;
 508   // CHECK: sitofp i32 {{.*}} to float
 509   // CHECK: [[F16TOF32]]
 510   // CHECK: fdiv float
 511   // CHECK: [[F32TOF16]]
 512   // NATIVE-HALF: sitofp i32 {{.*}} to half
 513   // NATIVE-HALF: fdiv half
 514   h0 /= i0;
 515
 516   // Check conversions to/from double
 517   // NOTNATIVE: fptrunc double {{.*}} to half
 518   // NATIVE-HALF: fptrunc double {{.*}} to half
 519   h0 = d0;
 520
 521   // CHECK: [[MID:%.*]] = fptrunc double {{%.*}} to float
 522   // NOTNATIVE: fptrunc float [[MID]] to half
 523   // NATIVE-HALF: [[MID:%.*]] = fptrunc double {{%.*}} to float
 524   // NATIVE-HALF: fptrunc float {{.*}} to half
 525   h0 = (float)d0;
 526
 527   // NOTNATIVE: fpext half {{.*}} to double
 528   // NATIVE-HALF: fpext half {{.*}} to double
 529   d0 = h0;
 530
 531   // NOTNATIVE: [[MID:%.*]] = fpext half {{.*}} to float
 532   // CHECK: fpext float [[MID]] to double
 533   // NATIVE-HALF: [[MID:%.*]] = fpext half {{.*}} to float
 534   // NATIVE-HALF: fpext float [[MID]] to double
 535   d0 = (float)h0;
 536
 537   // NOTNATIVE: [[V1:%.*]] = load i16, ptr @s0
 538   // NOTNATIVE: [[CONV:%.*]] = sitofp i16 [[V1]] to float
 539   // NOTNATIVE: [[TRUNC:%.*]] = fptrunc float [[CONV]] to half
 540   // NOTNATIVE: store volatile half [[TRUNC]], ptr @h0
 541   h0 = s0;
 542 }
 543
 544 // CHECK-LABEL: define{{.*}} void @testTypeDef(
 545 // CHECK: %[[CONV:.*]] = fpext <4 x half> %{{.*}} to <4 x float>
 546 // CHECK: %[[CONV1:.*]] = fpext <4 x half> %{{.*}} to <4 x float>
 547 // CHECK: %[[ADD:.*]] = fadd <4 x float> %[[CONV]], %[[CONV1]]
 548 // CHECK: fptrunc <4 x float> %[[ADD]] to <4 x half>
 549
 550 void testTypeDef() {
 551   __fp16 t0 __attribute__((vector_size(8)));
 552   float16_t t1 __attribute__((vector_size(8)));
 553   t1 = t0 + t1;
 554 }