object code inspection functions for some hash functions

Reviewed By: dmm-fb

Differential Revision: D77837561

fbshipit-source-id: 7622a84db8f8c9b905ed821a3f231fa8aa254a54

Author: yfeldblum

third-party/folly/src/folly/hash/test/HashBenchmark.cpp

@@ -33,6 +33,36 @@
 #include <folly/lang/Keep.h>
 #include <folly/portability/GFlags.h>
 
+extern "C" FOLLY_KEEP uint64_t
+check_folly_hash_128_to_64(uint64_t upper, uint64_t lower) {
+  return folly::hash::hash_128_to_64(upper, lower);
+}
+
+extern "C" FOLLY_KEEP uint64_t
+check_folly_commutative_hash_128_to_64(uint64_t upper, uint64_t lower) {
+  return folly::hash::commutative_hash_128_to_64(upper, lower);
+}
+
+extern "C" FOLLY_KEEP uint64_t check_folly_twang_mix64(uint64_t key) {
+  return folly::hash::twang_mix64(key);
+}
+
+extern "C" FOLLY_KEEP uint64_t check_folly_twang_unmix64(uint64_t key) {
+  return folly::hash::twang_unmix64(key);
+}
+
+extern "C" FOLLY_KEEP uint32_t check_folly_twang_32from64(uint64_t key) {
+  return folly::hash::twang_32from64(key);
+}
+
+extern "C" FOLLY_KEEP uint32_t check_folly_jenkins_rev_mix32(uint32_t key) {
+  return folly::hash::jenkins_rev_mix32(key);
+}
+
+extern "C" FOLLY_KEEP uint32_t check_folly_jenkins_rev_unmix32(uint32_t key) {
+  return folly::hash::jenkins_rev_unmix32(key);
+}
+
 extern "C" FOLLY_KEEP uint64_t
 check_folly_spooky_hash_v2_hash_32(void const* data, size_t size) {
   return folly::hash::SpookyHashV2::Hash32(data, size, 0);