xref: /llvm-project/libc/benchmarks/LibcDefaultImplementations.cpp (revision 5ff3ff33ff930e4ec49da7910612d8a41eb068cb)
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 }
55