[WebAssembly] Update wasm builtin functions to match spec changes.

The page_size operator has been removed from the spec, and the resize_memory
operator has been changed to grow_memory.

llvm-svn: 252202
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
index cdc72b6..75c0fe2 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrMemory.td
@@ -84,14 +84,6 @@
 def STORE32_I64 : I<(outs), (ins I32:$addr, I64:$val),
                     [(truncstorei32 I64:$val, I32:$addr)]>;
 
-// Page size.
-def page_size_I32 : I<(outs I32:$dst), (ins),
-                      [(set I32:$dst, (int_wasm_page_size))]>,
-                    Requires<[HasAddr32]>;
-def page_size_I64 : I<(outs I64:$dst), (ins),
-                      [(set I64:$dst, (int_wasm_page_size))]>,
-                    Requires<[HasAddr64]>;
-
 // Memory size.
 def memory_size_I32 : I<(outs I32:$dst), (ins),
                         [(set I32:$dst, (int_wasm_memory_size))]>,
@@ -100,10 +92,10 @@
                         [(set I64:$dst, (int_wasm_memory_size))]>,
                       Requires<[HasAddr64]>;
 
-// Resize memory.
-def resize_memory_I32 : I<(outs), (ins I32:$delta),
-                          [(int_wasm_resize_memory I32:$delta)]>,
-                        Requires<[HasAddr32]>;
-def resize_memory_I64 : I<(outs), (ins I64:$delta),
-                          [(int_wasm_resize_memory I64:$delta)]>,
-                        Requires<[HasAddr64]>;
+// Grow memory.
+def grow_memory_I32 : I<(outs), (ins I32:$delta),
+                        [(int_wasm_grow_memory I32:$delta)]>,
+                      Requires<[HasAddr32]>;
+def grow_memory_I64 : I<(outs), (ins I64:$delta),
+                        [(int_wasm_grow_memory I64:$delta)]>,
+                      Requires<[HasAddr64]>;