Index: lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
===================================================================
--- lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
+++ lib/Target/WebAssembly/WebAssemblyRuntimeLibcallSignatures.cpp
@@ -394,11 +394,16 @@
 /* MEMMOVE */ iPTR_func_iPTR_iPTR_iPTR,
 
 // ELEMENT-WISE ATOMIC MEMORY
-/* MEMCPY_ELEMENT_ATOMIC_1 */ iPTR_func_iPTR_iPTR_iPTR,
-/* MEMCPY_ELEMENT_ATOMIC_2 */ iPTR_func_iPTR_iPTR_iPTR,
-/* MEMCPY_ELEMENT_ATOMIC_4 */ iPTR_func_iPTR_iPTR_iPTR,
-/* MEMCPY_ELEMENT_ATOMIC_8 */ iPTR_func_iPTR_iPTR_iPTR,
-/* MEMCPY_ELEMENT_ATOMIC_16 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ iPTR_func_iPTR_iPTR_iPTR,
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ iPTR_func_iPTR_iPTR_iPTR,
 
 // EXCEPTION HANDLING
 /* UNWIND_RESUME */ unsupported,
@@ -839,11 +844,16 @@
 /* MEMCPY */ "memcpy",
 /* MEMMOVE */ "memset",
 /* MEMSET */ "memmove",
-/* MEMCPY_ELEMENT_ATOMIC_1 */ "MEMCPY_ELEMENT_ATOMIC_1",
-/* MEMCPY_ELEMENT_ATOMIC_2 */ "MEMCPY_ELEMENT_ATOMIC_2",
-/* MEMCPY_ELEMENT_ATOMIC_4 */ "MEMCPY_ELEMENT_ATOMIC_4",
-/* MEMCPY_ELEMENT_ATOMIC_8 */ "MEMCPY_ELEMENT_ATOMIC_8",
-/* MEMCPY_ELEMENT_ATOMIC_16 */ "MEMCPY_ELEMENT_ATOMIC_16",
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_1 */ "MEMCPY_ELEMENT_UNORDERD_ATOMIC_1",
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_2 */ "MEMCPY_ELEMENT_UNORDERD_ATOMIC_2",
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_4 */ "MEMCPY_ELEMENT_UNORDERD_ATOMIC_4",
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_8 */ "MEMCPY_ELEMENT_UNORDERD_ATOMIC_8",
+/* MEMCPY_ELEMENT_UNORDERED_ATOMIC_16 */ "MEMCPY_ELEMENT_UNORDERD_ATOMIC_16",
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_1 */ "MEMMOVE_ELEMENT_UNORDERD_ATOMIC_1",
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_2 */ "MEMMOVE_ELEMENT_UNORDERD_ATOMIC_2",
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_4 */ "MEMMOVE_ELEMENT_UNORDERD_ATOMIC_4",
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_8 */ "MEMMOVE_ELEMENT_UNORDERD_ATOMIC_8",
+/* MEMMOVE_ELEMENT_UNORDERED_ATOMIC_16 */ "MEMMOVE_ELEMENT_UNORDERD_ATOMIC_16",
 /* UNWIND_RESUME */ "_Unwind_Resume",
 /* SYNC_VAL_COMPARE_AND_SWAP_1 */ "__sync_val_compare_and_swap_1",
 /* SYNC_VAL_COMPARE_AND_SWAP_2 */ "__sync_val_compare_and_swap_2",