libc/benchmarks/LibcDefaultImplementations.cpp

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