WebAssembly: Rename GetSignature to GetLibcallSignature [NFC]

llvm-svn: 343275
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
index c55308b..a52bedd 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp
@@ -107,7 +107,7 @@
 
   SmallVector<wasm::ValType, 4> Returns;
   SmallVector<wasm::ValType, 4> Params;
-  GetSignature(Subtarget, Name, Returns, Params);
+  GetLibcallSignature(Subtarget, Name, Returns, Params);
 
   WasmSym->setReturns(std::move(Returns));
   WasmSym->setParams(std::move(Params));