JIT: Simplify JitDisasm matching behavior and support namespaces/generics in release

src/coreclr/jit/compiler.cpp

@@ -2878,7 +2878,7 @@ void Compiler::compInitOptions(JitFlags* jitFlags)
                 opts.disAsm = true;
             }
 
-            if (JitConfig.JitDisasm().contains("SPILLED", nullptr, nullptr))
+            if (JitConfig.JitDisasmSpilled())
             {
                 opts.disAsmSpilled = true;
             }
@@ -3016,8 +3016,9 @@ void Compiler::compInitOptions(JitFlags* jitFlags)
 #else  // DEBUG
     if (!JitConfig.JitDisasm().isEmpty())
     {
-        const char* methodName = info.compCompHnd->getMethodName(info.compMethodHnd, nullptr);
-        const char* className  = info.compCompHnd->getClassName(info.compClassHnd);
+        const char* className;
+        const char* methodName = info.compCompHnd->getMethodName(info.compMethodHnd, &className);
+
         if (JitConfig.JitDisasm().contains(methodName, className, &info.compMethodInfo->args))
         {
             opts.disAsm = true;

src/coreclr/jit/compiler.h

@@ -7551,6 +7551,14 @@ class Compiler
 
     var_types eeGetFieldType(CORINFO_FIELD_HANDLE fldHnd, CORINFO_CLASS_HANDLE* pStructHnd = nullptr);
 
+    void eeFormatMethodName(char**            buffer,
+                            size_t            bufferMax,
+                            const char*       className,
+                            const char*       methodName,
+                            CORINFO_SIG_INFO* sig,
+                            bool              includeReturnType,
+                            bool              includeThis);
+
 #if defined(DEBUG) || defined(FEATURE_JIT_METHOD_PERF) || defined(FEATURE_SIMD) || defined(TRACK_LSRA_STATS)
 
     const char* eeGetMethodName(CORINFO_METHOD_HANDLE hnd, const char** className);