[VM] Make FlowGraphCompiler::EmitTestAndCallCheckCid static and therefore usable from stubs

Issue #31798

Change-Id: I375cc01bf59d848a203dbcdbd59377d55e9aafe4
Reviewed-on: https://dart-review.googlesource.com/44540
Commit-Queue: Martin Kustermann <[email protected]>
Reviewed-by: Vyacheslav Egorov <[email protected]>

Author: mkustermann

runtime/vm/compiler/backend/flow_graph_compiler.cc

@@ -1831,7 +1831,8 @@ void FlowGraphCompiler::EmitTestAndCall(const CallTargets& targets,
     }
     Label next_test;
     if (!complete || !is_last_check) {
-      bias = EmitTestAndCallCheckCid(is_last_check ? failed : &next_test,
+      bias = EmitTestAndCallCheckCid(assembler(),
+                                     is_last_check ? failed : &next_test,
                                      EmitTestCidRegister(), targets[i], bias,
                                      /*jump_on_miss =*/true);
     }
@@ -1871,7 +1872,8 @@ bool FlowGraphCompiler::GenerateSubclassTypeCheck(Register class_id_reg,
       for (intptr_t i = 0; i < ranges.length(); ++i) {
         const CidRange& range = ranges[i];
         if (!range.IsIllegalRange()) {
-          bias = EmitTestAndCallCheckCid(is_subtype, class_id_reg, range, bias,
+          bias = EmitTestAndCallCheckCid(assembler(), is_subtype, class_id_reg,
+                                         range, bias,
                                          /*jump_on_miss=*/false);
         }
       }

runtime/vm/compiler/backend/flow_graph_compiler.h

@@ -622,6 +622,16 @@ class FlowGraphCompiler : public ValueObject {
   void RecordAfterCall(Instruction* instr, CallResult result);
 #endif
 
+  // Returns new class-id bias.
+  //
+  // TODO(kustermann): We should move this code out of the [FlowGraphCompiler]!
+  static int EmitTestAndCallCheckCid(Assembler* assembler,
+                                     Label* label,
+                                     Register class_id_reg,
+                                     const CidRange& range,
+                                     int bias,
+                                     bool jump_on_miss = true);
+
  private:
   friend class CheckStackOverflowSlowPath;  // For pending_deoptimization_env_.
   friend class CheckedSmiSlowPath;          // Same.
@@ -668,13 +678,6 @@ class FlowGraphCompiler : public ValueObject {
 
   void EmitTestAndCallLoadCid(Register class_id_reg);
 
-  // Returns new class-id bias.
-  int EmitTestAndCallCheckCid(Label* label,
-                              Register class_id_reg,
-                              const CidRange& range,
-                              int bias,
-                              bool jump_on_miss = true);
-
 // DBC handles type tests differently from all other architectures due
 // to its interpreted nature.
 #if !defined(TARGET_ARCH_DBC)

runtime/vm/compiler/backend/flow_graph_compiler_arm.cc

@@ -1182,7 +1182,11 @@ void FlowGraphCompiler::EmitTestAndCallLoadCid(Register class_id_reg) {
   __ LoadClassId(class_id_reg, R0);
 }
 
-int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* label,
+#undef __
+#define __ assembler->
+
+int FlowGraphCompiler::EmitTestAndCallCheckCid(Assembler* assembler,
+                                               Label* label,
                                                Register class_id_reg,
                                                const CidRange& range,
                                                int bias,

runtime/vm/compiler/backend/flow_graph_compiler_arm64.cc

@@ -1137,7 +1137,11 @@ void FlowGraphCompiler::EmitTestAndCallLoadCid(Register class_id_reg) {
   __ LoadClassId(class_id_reg, R0);
 }
 
-int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* label,
+#undef __
+#define __ assembler->
+
+int FlowGraphCompiler::EmitTestAndCallCheckCid(Assembler* assembler,
+                                               Label* label,
                                                Register class_id_reg,
                                                const CidRange& range,
                                                int bias,

runtime/vm/compiler/backend/flow_graph_compiler_ia32.cc

@@ -1123,7 +1123,11 @@ void FlowGraphCompiler::EmitTestAndCallLoadCid(Register class_id_reg) {
   __ LoadClassId(class_id_reg, EAX);
 }
 
-int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* label,
+#undef __
+#define __ assembler->
+
+int FlowGraphCompiler::EmitTestAndCallCheckCid(Assembler* assembler,
+                                               Label* label,
                                                Register class_id_reg,
                                                const CidRange& range,
                                                int bias,

runtime/vm/compiler/backend/flow_graph_compiler_x64.cc

@@ -1099,7 +1099,11 @@ void FlowGraphCompiler::EmitTestAndCallLoadCid(Register class_id_reg) {
   __ LoadClassId(class_id_reg, RAX);
 }
 
-int FlowGraphCompiler::EmitTestAndCallCheckCid(Label* label,
+#undef __
+#define __ assembler->
+
+int FlowGraphCompiler::EmitTestAndCallCheckCid(Assembler* assembler,
+                                               Label* label,
                                                Register class_id_reg,
                                                const CidRange& range,
                                                int bias,