refactor(mir): phase260 p0 edge-args plumbing (strangler) + ssot api + docs

tests/mir_verification_unit.rs

@@ -130,6 +130,8 @@ fn test_merge_use_before_phi_detected() {
             condition: cond,
             then_bb,
             else_bb,
+            then_edge_args: None,
+            else_edge_args: None,
         });
     }
 
@@ -139,7 +141,10 @@ fn test_merge_use_before_phi_detected() {
         dst: v1,
         value: ConstValue::String("A".to_string()),
     });
-    b1.add_instruction(MirInstruction::Jump { target: merge_bb });
+    b1.add_instruction(MirInstruction::Jump {
+        target: merge_bb,
+        edge_args: None,
+    });
     f.add_block(b1);
 
     let v2 = f.next_value_id(); // %2
@@ -148,7 +153,10 @@ fn test_merge_use_before_phi_detected() {
         dst: v2,
         value: ConstValue::String("B".to_string()),
     });
-    b2.add_instruction(MirInstruction::Jump { target: merge_bb });
+    b2.add_instruction(MirInstruction::Jump {
+        target: merge_bb,
+        edge_args: None,
+    });
     f.add_block(b2);
 
     let mut b3 = BasicBlock::new(merge_bb);

tests/wasm_string_constants.rs

@@ -146,7 +146,7 @@ fn build_string_const_mir_module() -> MirModule {
     });
 
     // return %str
-    block.terminator = Some(MirInstruction::Return {
+    block.set_terminator(MirInstruction::Return {
         value: Some(str_value),
     });
 
@@ -193,7 +193,7 @@ fn build_multiple_string_const_mir_module() -> MirModule {
     });
 
     // return %str1
-    block.terminator = Some(MirInstruction::Return {
+    block.set_terminator(MirInstruction::Return {
         value: Some(str1_value),
     });