libc/benchmarks/LibcDefaultImplementations.cpp

   1 #include "LibcFunctionPrototypes.h"
   2 #include "src/__support/macros/config.h"
   3 #include "llvm/ADT/ArrayRef.h"
   4 #include <cstddef>
   5
   6 namespace LIBC_NAMESPACE_DECL {
   7
   8 extern void *memcpy(void *__restrict, const void *__restrict, size_t);
   9 extern void *memmove(void *, const void *, size_t);
  10 extern void *memset(void *, int, size_t);
  11 extern void bzero(void *, size_t);
  12 extern int memcmp(const void *, const void *, size_t);
  13 extern int bcmp(const void *, const void *, size_t);
  14
  15 } // namespace LIBC_NAMESPACE_DECL
  16
  17 // List of implementations to test.
  18
  19 using llvm::libc_benchmarks::BzeroConfiguration;
  20 using llvm::libc_benchmarks::MemcmpOrBcmpConfiguration;
  21 using llvm::libc_benchmarks::MemcpyConfiguration;
  22 using llvm::libc_benchmarks::MemmoveConfiguration;
  23 using llvm::libc_benchmarks::MemsetConfiguration;
  24
  25 llvm::ArrayRef<MemcpyConfiguration> getMemcpyConfigurations() {
  26   static constexpr MemcpyConfiguration kMemcpyConfigurations[] = {
  27       {LIBC_NAMESPACE::memcpy, "LIBC_NAMESPACE::memcpy"}};
  28   return llvm::ArrayRef(kMemcpyConfigurations);
  29 }
  30 llvm::ArrayRef<MemmoveConfiguration> getMemmoveConfigurations() {
  31   static constexpr MemmoveConfiguration kMemmoveConfigurations[] = {
  32       {LIBC_NAMESPACE::memmove, "LIBC_NAMESPACE::memmove"}};
  33   return llvm::ArrayRef(kMemmoveConfigurations);
  34 }
  35 llvm::ArrayRef<MemcmpOrBcmpConfiguration> getMemcmpConfigurations() {
  36   static constexpr MemcmpOrBcmpConfiguration kMemcmpConfiguration[] = {
  37       {LIBC_NAMESPACE::memcmp, "LIBC_NAMESPACE::memcmp"}};
  38   return llvm::ArrayRef(kMemcmpConfiguration);
  39 }
  40 llvm::ArrayRef<MemcmpOrBcmpConfiguration> getBcmpConfigurations() {
  41   static constexpr MemcmpOrBcmpConfiguration kBcmpConfigurations[] = {
  42       {LIBC_NAMESPACE::bcmp, "LIBC_NAMESPACE::bcmp"}};
  43   return llvm::ArrayRef(kBcmpConfigurations);
  44 }
  45 llvm::ArrayRef<MemsetConfiguration> getMemsetConfigurations() {
  46   static constexpr MemsetConfiguration kMemsetConfigurations[] = {
  47       {LIBC_NAMESPACE::memset, "LIBC_NAMESPACE::memset"}};
  48   return llvm::ArrayRef(kMemsetConfigurations);
  49 }
  50 llvm::ArrayRef<BzeroConfiguration> getBzeroConfigurations() {
  51   static constexpr BzeroConfiguration kBzeroConfigurations[] = {
  52       {LIBC_NAMESPACE::bzero, "LIBC_NAMESPACE::bzero"}};
  53   return llvm::ArrayRef(kBzeroConfigurations);
  54 }