glsl: Add LoopSafety instructions

src/shader_recompiler/backend/glsl/emit_glsl_instructions.h

@@ -47,6 +47,8 @@ void EmitSetGotoVariable(EmitContext& ctx);
 void EmitGetGotoVariable(EmitContext& ctx);
 void EmitSetIndirectBranchVariable(EmitContext& ctx);
 void EmitGetIndirectBranchVariable(EmitContext& ctx);
+void EmitSetLoopSafetyVariable(EmitContext& ctx);
+void EmitGetLoopSafetyVariable(EmitContext& ctx);
 void EmitGetCbufU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
                    const IR::Value& offset);
 void EmitGetCbufS8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,

src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp

@@ -46,6 +46,14 @@ void EmitGetIndirectBranchVariable(EmitContext& ctx) {
     NotImplemented();
 }
 
+void EmitSetLoopSafetyVariable(EmitContext& ctx) {
+    NotImplemented();
+}
+
+void EmitGetLoopSafetyVariable(EmitContext& ctx) {
+    NotImplemented();
+}
+
 void EmitGetZFlag(EmitContext& ctx) {
     NotImplemented();
 }