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// Tests LDC-specific target __traits
// REQUIRES: target_X86
// RUN: %ldc -mtriple=x86_64-apple-darwin -mcpu=nehalem -d-version=CPU_NEHALEM -c %s
// RUN: %ldc -mtriple=i686-pc-linux -mcpu=pentium -mattr=+fma -d-version=ATTR_FMA -c %s
// RUN: %ldc -mtriple=i686-pc-linux -mcpu=pentium -mattr=+fma,-sse -d-version=ATTR_FMA_MINUS_SSE -c %s
// RUN: %ldc -mtriple=x86_64-apple-darwin -mcpu=haswell -d-version=CPU_HASWELL -c %s
// Important: LLVM's default CPU selection already enables some features (like sse3)
void main()
{
version (CPU_NEHALEM)
{
static assert(__traits(targetCPU) == "nehalem");
static assert(__traits(targetHasFeature, "sse3"));
static assert(__traits(targetHasFeature, "sse4.1"));
static assert(!__traits(targetHasFeature, "avx"));
static assert(!__traits(targetHasFeature, "sse4"));
static assert(!__traits(targetHasFeature, "sse4a"));
static assert(!__traits(targetHasFeature, "unrecognized feature"));
version(D_AVX) static assert(false);
version(D_AVX2) static assert(false);
}
version (ATTR_FMA)
{
static assert(__traits(targetHasFeature, "sse"));
static assert(__traits(targetHasFeature, "sse2"));
static assert(__traits(targetHasFeature, "sse3"));
static assert(__traits(targetHasFeature, "sse4.1"));
static assert(__traits(targetHasFeature, "fma"));
static assert(__traits(targetHasFeature, "avx"));
static assert(!__traits(targetHasFeature, "avx2"));
static assert(!__traits(targetHasFeature, "unrecognized feature"));
version(D_AVX) {} else static assert(false);
version(D_AVX2) static assert(false);
}
version (ATTR_FMA_MINUS_SSE)
{
// All implied features must be enabled for targetHasFeature to return true
static assert(!__traits(targetHasFeature, "fma"));
version(D_AVX) static assert(false);
version(D_AVX2) static assert(false);
}
version (CPU_HASWELL)
{
static assert(__traits(targetHasFeature, "sse"));
static assert(__traits(targetHasFeature, "sse2"));
static assert(__traits(targetHasFeature, "sse3"));
static assert(__traits(targetHasFeature, "sse4.1"));
static assert(__traits(targetHasFeature, "avx"));
static assert(__traits(targetHasFeature, "avx2"));
version(D_AVX) {} else static assert(false);
version(D_AVX2) {} else static assert(false);
}
}
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