[Wasm RyuJit] Control flow codegen

src/coreclr/jit/CMakeLists.txt

@@ -116,7 +116,6 @@ set( JIT_SOURCES
   fgprofile.cpp
   fgprofilesynthesis.cpp
   fgstmt.cpp
-  fgwasm.cpp
   flowgraph.cpp
   forwardsub.cpp
   gcinfo.cpp
@@ -293,6 +292,7 @@ set( JIT_RISCV64_SOURCES
 set( JIT_WASM_SOURCES
   codegenwasm.cpp
   emitwasm.cpp
+  fgwasm.cpp
   lowerwasm.cpp
   regallocwasm.cpp
   registeropswasm.cpp

src/coreclr/jit/codegen.h

@@ -212,6 +212,15 @@ class CodeGen final : public CodeGenInterface
 
     void genCodeForBBlist();
 
+#if defined(TARGET_WASM)
+    ArrayStack<WasmInterval*>* wasmControlFlowStack;
+    unsigned                   wasmCursor;
+    unsigned                   findTargetDepth(BasicBlock* target);
+#endif
+
+    void        genEmitStartBlock(BasicBlock* block);
+    BasicBlock* genEmitEndBlock(BasicBlock* block);
+
 public:
     void genSpillVar(GenTree* tree);
 
@@ -890,8 +899,8 @@ class CodeGen final : public CodeGenInterface
 
     unsigned getFirstArgWithStackSlot();
 
-    void genCompareFloat(GenTree* treeNode);
-    void genCompareInt(GenTree* treeNode);
+    void genCompareFloat(GenTreeOp* treeNode);
+    void genCompareInt(GenTreeOp* treeNode);
 #ifdef TARGET_XARCH
     bool     genCanAvoidEmittingCompareAgainstZero(GenTree* tree, var_types opType);
     GenTree* genTryFindFlagsConsumer(GenTree* flagsProducer, GenCondition** condition);