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#include "benchmark/benchmark.h"
#include "llvm/IR/Intrinsics.h"
using namespace llvm;
using namespace Intrinsic;
// Benchmark intrinsic lookup from a variety of targets.
static void BM_GetIntrinsicForClangBuiltin(benchmark::State &state) {
static const char *Builtins[] = {
"__builtin_adjust_trampoline",
"__builtin_trap",
"__builtin_arm_ttest",
"__builtin_amdgcn_cubetc",
"__builtin_amdgcn_udot2",
"__builtin_arm_stc",
"__builtin_bpf_compare",
"__builtin_HEXAGON_A2_max",
"__builtin_lasx_xvabsd_b",
"__builtin_mips_dlsa",
"__nvvm_floor_f",
"__builtin_altivec_vslb",
"__builtin_r600_read_tgid_x",
"__builtin_riscv_aes64im",
"__builtin_s390_vcksm",
"__builtin_ve_vl_pvfmksge_Mvl",
"__builtin_ia32_axor64",
"__builtin_bitrev",
};
static const char *Targets[] = {"", "aarch64", "amdgcn", "mips",
"nvvm", "r600", "riscv"};
for (auto _ : state) {
for (auto Builtin : Builtins)
for (auto Target : Targets)
getIntrinsicForClangBuiltin(Target, Builtin);
}
}
static void
BM_GetIntrinsicForClangBuiltinHexagonFirst(benchmark::State &state) {
// Exercise the worst case by looking for the first builtin for a target
// that has a lot of builtins.
for (auto _ : state)
getIntrinsicForClangBuiltin("hexagon", "__builtin_HEXAGON_A2_abs");
}
BENCHMARK(BM_GetIntrinsicForClangBuiltin);
BENCHMARK(BM_GetIntrinsicForClangBuiltinHexagonFirst);
BENCHMARK_MAIN();
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