Revert r283680.

Breaks bootstrap builds on (at least) Windows:
In file included from D:\buildslave\clang-x64-ninja-win7\llvm\lib\Support\Allocator.cpp:14:
In file included from D:\buildslave\clang-x64-ninja-win7\llvm\include\llvm/Support/Allocator.h:24:
In file included from D:\buildslave\clang-x64-ninja-win7\llvm\include\llvm/ADT/SmallVector.h:20:
In file included from D:\buildslave\clang-x64-ninja-win7\llvm\include\llvm/Support/MathExtras.h:19:
D:\buildslave\clang-x64-ninja-win7\stage1.install\bin\..\lib\clang\4.0.0\include\algorithm(63,8) :
    error: unknown type name '__device__'
    inline __device__ const __T &

llvm-svn: 283747

1 files changed, 0 insertions, 203 deletions

diff --git a/clang/lib/Headers/__clang_cuda_complex_builtins.h b/clang/lib/Headers/__clang_cuda_complex_builtins.h
deleted file mode 100644
index beef7deff87..00000000000
--- a/clang/lib/Headers/__clang_cuda_complex_builtins.h
+++ /dev/null
@@ -1,203 +0,0 @@
-/*===-- __clang_cuda_complex_builtins - CUDA impls of runtime complex fns ---===
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- *===-----------------------------------------------------------------------===
- */
-
-#ifndef __CLANG_CUDA_COMPLEX_BUILTINS
-#define __CLANG_CUDA_COMPLEX_BUILTINS
-
-// This header defines __muldc3, __mulsc3, __divdc3, and __divsc3.  These are
-// libgcc functions that clang assumes are available when compiling c99 complex
-// operations.  (These implementations come from libc++, and have been modified
-// to work with CUDA.)
-
-extern "C" inline __device__ double _Complex __muldc3(double __a, double __b,
-                                                      double __c, double __d) {
-  double __ac = __a * __c;
-  double __bd = __b * __d;
-  double __ad = __a * __d;
-  double __bc = __b * __c;
-  double _Complex z;
-  __real__(z) = __ac - __bd;
-  __imag__(z) = __ad + __bc;
-  if (std::isnan(__real__(z)) && std::isnan(__imag__(z))) {
-    int __recalc = 0;
-    if (std::isinf(__a) || std::isinf(__b)) {
-      __a = std::copysign(std::isinf(__a) ? 1 : 0, __a);
-      __b = std::copysign(std::isinf(__b) ? 1 : 0, __b);
-      if (std::isnan(__c))
-        __c = std::copysign(0, __c);
-      if (std::isnan(__d))
-        __d = std::copysign(0, __d);
-      __recalc = 1;
-    }
-    if (std::isinf(__c) || std::isinf(__d)) {
-      __c = std::copysign(std::isinf(__c) ? 1 : 0, __c);
-      __d = std::copysign(std::isinf(__d) ? 1 : 0, __d);
-      if (std::isnan(__a))
-        __a = std::copysign(0, __a);
-      if (std::isnan(__b))
-        __b = std::copysign(0, __b);
-      __recalc = 1;
-    }
-    if (!__recalc && (std::isinf(__ac) || std::isinf(__bd) ||
-                      std::isinf(__ad) || std::isinf(__bc))) {
-      if (std::isnan(__a))
-        __a = std::copysign(0, __a);
-      if (std::isnan(__b))
-        __b = std::copysign(0, __b);
-      if (std::isnan(__c))
-        __c = std::copysign(0, __c);
-      if (std::isnan(__d))
-        __d = std::copysign(0, __d);
-      __recalc = 1;
-    }
-    if (__recalc) {
-      // Can't use std::numeric_limits<double>::infinity() -- that doesn't have
-      // a device overload (and isn't constexpr before C++11, naturally).
-      __real__(z) = __builtin_huge_valf() * (__a * __c - __b * __d);
-      __imag__(z) = __builtin_huge_valf() * (__a * __d + __b * __c);
-    }
-  }
-  return z;
-}
-
-extern "C" inline __device__ float _Complex __mulsc3(float __a, float __b,
-                                                     float __c, float __d) {
-  float __ac = __a * __c;
-  float __bd = __b * __d;
-  float __ad = __a * __d;
-  float __bc = __b * __c;
-  float _Complex z;
-  __real__(z) = __ac - __bd;
-  __imag__(z) = __ad + __bc;
-  if (std::isnan(__real__(z)) && std::isnan(__imag__(z))) {
-    int __recalc = 0;
-    if (std::isinf(__a) || std::isinf(__b)) {
-      __a = std::copysign(std::isinf(__a) ? 1 : 0, __a);
-      __b = std::copysign(std::isinf(__b) ? 1 : 0, __b);
-      if (std::isnan(__c))
-        __c = std::copysign(0, __c);
-      if (std::isnan(__d))
-        __d = std::copysign(0, __d);
-      __recalc = 1;
-    }
-    if (std::isinf(__c) || std::isinf(__d)) {
-      __c = std::copysign(std::isinf(__c) ? 1 : 0, __c);
-      __d = std::copysign(std::isinf(__d) ? 1 : 0, __d);
-      if (std::isnan(__a))
-        __a = std::copysign(0, __a);
-      if (std::isnan(__b))
-        __b = std::copysign(0, __b);
-      __recalc = 1;
-    }
-    if (!__recalc && (std::isinf(__ac) || std::isinf(__bd) ||
-                      std::isinf(__ad) || std::isinf(__bc))) {
-      if (std::isnan(__a))
-        __a = std::copysign(0, __a);
-      if (std::isnan(__b))
-        __b = std::copysign(0, __b);
-      if (std::isnan(__c))
-        __c = std::copysign(0, __c);
-      if (std::isnan(__d))
-        __d = std::copysign(0, __d);
-      __recalc = 1;
-    }
-    if (__recalc) {
-      __real__(z) = __builtin_huge_valf() * (__a * __c - __b * __d);
-      __imag__(z) = __builtin_huge_valf() * (__a * __d + __b * __c);
-    }
-  }
-  return z;
-}
-
-extern "C" inline __device__ double _Complex __divdc3(double __a, double __b,
-                                                      double __c, double __d) {
-  int __ilogbw = 0;
-  // Can't use std::max, because that's defined in <algorithm>, and we don't
-  // want to pull that in for every compile.  The CUDA headers define
-  // ::max(float, float) and ::max(double, double), which is sufficient for us.
-  double __logbw = std::logb(max(std::abs(__c), std::abs(__d)));
-  if (std::isfinite(__logbw)) {
-    __ilogbw = (int)__logbw;
-    __c = std::scalbn(__c, -__ilogbw);
-    __d = std::scalbn(__d, -__ilogbw);
-  }
-  double __denom = __c * __c + __d * __d;
-  double _Complex z;
-  __real__(z) = std::scalbn((__a * __c + __b * __d) / __denom, -__ilogbw);
-  __imag__(z) = std::scalbn((__b * __c - __a * __d) / __denom, -__ilogbw);
-  if (std::isnan(__real__(z)) && std::isnan(__imag__(z))) {
-    if ((__denom == 0.0) && (!std::isnan(__a) || !std::isnan(__b))) {
-      __real__(z) = std::copysign(__builtin_huge_valf(), __c) * __a;
-      __imag__(z) = std::copysign(__builtin_huge_valf(), __c) * __b;
-    } else if ((std::isinf(__a) || std::isinf(__b)) && std::isfinite(__c) &&
-               std::isfinite(__d)) {
-      __a = std::copysign(std::isinf(__a) ? 1.0 : 0.0, __a);
-      __b = std::copysign(std::isinf(__b) ? 1.0 : 0.0, __b);
-      __real__(z) = __builtin_huge_valf() * (__a * __c + __b * __d);
-      __imag__(z) = __builtin_huge_valf() * (__b * __c - __a * __d);
-    } else if (std::isinf(__logbw) && __logbw > 0.0 && std::isfinite(__a) &&
-               std::isfinite(__b)) {
-      __c = std::copysign(std::isinf(__c) ? 1.0 : 0.0, __c);
-      __d = std::copysign(std::isinf(__d) ? 1.0 : 0.0, __d);
-      __real__(z) = 0.0 * (__a * __c + __b * __d);
-      __imag__(z) = 0.0 * (__b * __c - __a * __d);
-    }
-  }
-  return z;
-}
-
-extern "C" inline __device__ float _Complex __divsc3(float __a, float __b,
-                                                     float __c, float __d) {
-  int __ilogbw = 0;
-  float __logbw = std::logb(max(std::abs(__c), std::abs(__d)));
-  if (std::isfinite(__logbw)) {
-    __ilogbw = (int)__logbw;
-    __c = std::scalbn(__c, -__ilogbw);
-    __d = std::scalbn(__d, -__ilogbw);
-  }
-  float __denom = __c * __c + __d * __d;
-  float _Complex z;
-  __real__(z) = std::scalbn((__a * __c + __b * __d) / __denom, -__ilogbw);
-  __imag__(z) = std::scalbn((__b * __c - __a * __d) / __denom, -__ilogbw);
-  if (std::isnan(__real__(z)) && std::isnan(__imag__(z))) {
-    if ((__denom == 0) && (!std::isnan(__a) || !std::isnan(__b))) {
-      __real__(z) = std::copysign(__builtin_huge_valf(), __c) * __a;
-      __imag__(z) = std::copysign(__builtin_huge_valf(), __c) * __b;
-    } else if ((std::isinf(__a) || std::isinf(__b)) && std::isfinite(__c) &&
-               std::isfinite(__d)) {
-      __a = std::copysign(std::isinf(__a) ? 1 : 0, __a);
-      __b = std::copysign(std::isinf(__b) ? 1 : 0, __b);
-      __real__(z) = __builtin_huge_valf() * (__a * __c + __b * __d);
-      __imag__(z) = __builtin_huge_valf() * (__b * __c - __a * __d);
-    } else if (std::isinf(__logbw) && __logbw > 0 && std::isfinite(__a) &&
-               std::isfinite(__b)) {
-      __c = std::copysign(std::isinf(__c) ? 1 : 0, __c);
-      __d = std::copysign(std::isinf(__d) ? 1 : 0, __d);
-      __real__(z) = 0 * (__a * __c + __b * __d);
-      __imag__(z) = 0 * (__b * __c - __a * __d);
-    }
-  }
-  return z;
-}
-
-#endif // __CLANG_CUDA_COMPLEX_BUILTINS