homebrew-core/Formula/ispc.rb

93 lines
3.2 KiB
Ruby

class Ispc < Formula
desc "Compiler for SIMD programming on the CPU"
homepage "https://ispc.github.io"
url "https://github.com/ispc/ispc/archive/v1.18.0.tar.gz"
sha256 "81f2cc23b555c815faf53429e9eee37d1f2f16873ae7074e382ede94721ee042"
license "BSD-3-Clause"
revision 3
bottle do
sha256 cellar: :any, arm64_monterey: "47f30788b764858f0ac353d6f44cb1a4311052219efb9e1c5ab1a167eabfa9cb"
sha256 cellar: :any, arm64_big_sur: "54b7e7a2dd6bc0593fd6269e2f7f292a587afa0ee0e44687707ad1f723641cfc"
sha256 cellar: :any, monterey: "3c587196f52906f45ec0eea4aa47cf0e3e9c3f35efbd2fce76efe03ba809baa7"
sha256 cellar: :any, big_sur: "580cb1ff57cda5c0a0804477ba1365fe4ac511e0dcb1357b3bf2f056e4d861e4"
sha256 cellar: :any, catalina: "d2a1551ea492409ad803ad89ee192c7490350d438c2af1dd1acef992a24101b6"
sha256 cellar: :any_skip_relocation, x86_64_linux: "113b9cea99240950786c534995254884ab1b01a82645fa63f6891fe4d3f63b72"
end
depends_on "bison" => :build
depends_on "cmake" => :build
depends_on "flex" => :build
depends_on "python@3.10" => :build
depends_on "llvm@14"
fails_with gcc: "5"
def llvm
deps.map(&:to_formula).find { |f| f.name.match? "^llvm" }
end
def install
# Force cmake to use our compiler shims instead of bypassing them.
inreplace "CMakeLists.txt", "set(CMAKE_C_COMPILER \"clang\")", "set(CMAKE_C_COMPILER \"#{ENV.cc}\")"
inreplace "CMakeLists.txt", "set(CMAKE_CXX_COMPILER \"clang++\")", "set(CMAKE_CXX_COMPILER \"#{ENV.cxx}\")"
# Disable building of i686 target on Linux, which we do not support.
inreplace "cmake/GenerateBuiltins.cmake", "set(target_arch \"i686\")", "return()" unless OS.mac?
args = std_cmake_args + %W[
-DISPC_INCLUDE_EXAMPLES=OFF
-DISPC_INCLUDE_TESTS=OFF
-DISPC_INCLUDE_UTILS=OFF
-DLLVM_TOOLS_BINARY_DIR='#{llvm.opt_bin}'
-DISPC_NO_DUMPS=ON
-DARM_ENABLED=#{Hardware::CPU.arm? ? "ON" : "OFF"}
]
mkdir "build" do
system "cmake", *args, ".."
system "make"
system "make", "install"
end
end
test do
(testpath/"simple.ispc").write <<~EOS
export void simple(uniform float vin[], uniform float vout[], uniform int count) {
foreach (index = 0 ... count) {
float v = vin[index];
if (v < 3.)
v = v * v;
else
v = sqrt(v);
vout[index] = v;
}
}
EOS
if Hardware::CPU.arm?
arch = "aarch64"
target = "neon"
else
arch = "x86-64"
target = "sse2"
end
system bin/"ispc", "--arch=#{arch}", "--target=#{target}", testpath/"simple.ispc",
"-o", "simple_ispc.o", "-h", "simple_ispc.h"
(testpath/"simple.cpp").write <<~EOS
#include "simple_ispc.h"
int main() {
float vin[9], vout[9];
for (int i = 0; i < 9; ++i) vin[i] = static_cast<float>(i);
ispc::simple(vin, vout, 9);
return 0;
}
EOS
system ENV.cxx, "-I#{testpath}", "-c", "-o", testpath/"simple.o", testpath/"simple.cpp"
system ENV.cxx, "-o", testpath/"simple", testpath/"simple.o", testpath/"simple_ispc.o"
system testpath/"simple"
end
end