[WebAssembly] Rename several functions and types according to the new spec.

llvm-svn: 248644
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
index 5d2a79c..c9be0b3 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -107,10 +107,10 @@
   setStackPointerRegisterToSaveRestore(
       Subtarget->hasAddr64() ? WebAssembly::SP64 : WebAssembly::SP32);
   // Set up the register classes.
-  addRegisterClass(MVT::i32, &WebAssembly::Int32RegClass);
-  addRegisterClass(MVT::i64, &WebAssembly::Int64RegClass);
-  addRegisterClass(MVT::f32, &WebAssembly::Float32RegClass);
-  addRegisterClass(MVT::f64, &WebAssembly::Float64RegClass);
+  addRegisterClass(MVT::i32, &WebAssembly::I32RegClass);
+  addRegisterClass(MVT::i64, &WebAssembly::I64RegClass);
+  addRegisterClass(MVT::f32, &WebAssembly::F32RegClass);
+  addRegisterClass(MVT::f64, &WebAssembly::F64RegClass);
   // Compute derived properties from the register classes.
   computeRegisterProperties(Subtarget->getRegisterInfo());