diff --git a/packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts b/packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts
index 4ac9489f6..23decf4e1 100644
--- a/packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/transformElement.spec.ts
@@ -24,13 +24,13 @@ describe('compiler: element transform', () => {
     )
     expect(code).toMatchSnapshot()
     expect(code).contains('<div id=\\"foo\\" class=\\"bar\\"></div>"')
-    expect(ir.effect.length).toBe(0)
+    expect(ir.block.effect).lengthOf(0)
   })
 
   test('v-bind="obj"', () => {
     const { code, ir } = compileWithElementTransform(`<div v-bind="obj" />`)
     expect(code).toMatchSnapshot()
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -62,7 +62,7 @@ describe('compiler: element transform', () => {
       `<div id="foo" v-bind="obj" />`,
     )
     expect(code).toMatchSnapshot()
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -110,7 +110,7 @@ describe('compiler: element transform', () => {
       `<div v-bind="obj" id="foo" />`,
     )
     expect(code).toMatchSnapshot()
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -158,7 +158,7 @@ describe('compiler: element transform', () => {
       `<div id="foo" v-bind="obj" class="bar" />`,
     )
     expect(code).toMatchSnapshot()
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -225,7 +225,7 @@ describe('compiler: element transform', () => {
     )
     expect(code).toMatchSnapshot()
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         element: 1,
@@ -261,7 +261,7 @@ describe('compiler: element transform', () => {
     )
     expect(code).toMatchSnapshot()
 
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -306,7 +306,7 @@ describe('compiler: element transform', () => {
 
     expect(code).toMatchSnapshot()
 
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
diff --git a/packages/compiler-vapor/__tests__/transforms/vBind.spec.ts b/packages/compiler-vapor/__tests__/transforms/vBind.spec.ts
index 204bab38e..68bf140f8 100644
--- a/packages/compiler-vapor/__tests__/transforms/vBind.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vBind.spec.ts
@@ -18,15 +18,15 @@ describe('compiler v-bind', () => {
   test('basic', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:id="id"/>`)
 
-    expect(ir.dynamic.children[0]).toMatchObject({
+    expect(ir.block.dynamic.children[0]).toMatchObject({
       id: 1,
       flags: DynamicFlag.REFERENCED,
     })
     expect(ir.template).toEqual(['<div></div>'])
-    expect(ir.effect).lengthOf(1)
-    expect(ir.effect[0].expressions).lengthOf(1)
-    expect(ir.effect[0].operations).lengthOf(1)
-    expect(ir.effect[0]).toMatchObject({
+    expect(ir.block.effect).lengthOf(1)
+    expect(ir.block.effect[0].expressions).lengthOf(1)
+    expect(ir.block.effect[0].operations).lengthOf(1)
+    expect(ir.block.effect[0]).toMatchObject({
       expressions: [
         {
           type: NodeTypes.SIMPLE_EXPRESSION,
@@ -80,7 +80,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:id />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_PROP,
       prop: {
         key: {
@@ -110,7 +110,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div :camel-case />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_PROP,
       prop: {
         key: {
@@ -133,7 +133,7 @@ describe('compiler v-bind', () => {
       `<div v-bind:[id]="id" v-bind:[title]="title" />`,
     )
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_DYNAMIC_PROPS,
       element: 1,
       props: [
@@ -179,7 +179,7 @@ describe('compiler v-bind', () => {
       `<div v-bind:[id]="id" foo="bar" checked />`,
     )
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_DYNAMIC_PROPS,
       element: 1,
       props: [
@@ -267,7 +267,7 @@ describe('compiler v-bind', () => {
   test('.camel modifier', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:foo-bar.camel="id"/>`)
 
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -292,7 +292,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:foo-bar.camel />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -315,7 +315,7 @@ describe('compiler v-bind', () => {
   test('.camel modifier w/ dynamic arg', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:[foo].camel="id"/>`)
 
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_DYNAMIC_PROPS,
       props: [
         [
@@ -350,7 +350,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:fooBar.prop="id"/>`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -374,7 +374,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:fooBar.prop />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -398,7 +398,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:[fooBar].prop="id"/>`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_DYNAMIC_PROPS,
       props: [
         [
@@ -431,7 +431,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div .fooBar="id"/>`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -455,7 +455,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div .fooBar />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `fooBar`,
@@ -479,7 +479,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:foo-bar.attr="id"/>`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `foo-bar`,
@@ -503,7 +503,7 @@ describe('compiler v-bind', () => {
     const { ir, code } = compileWithVBind(`<div v-bind:foo-bar.attr />`)
 
     expect(code).matchSnapshot()
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       prop: {
         key: {
           content: `foo-bar`,
diff --git a/packages/compiler-vapor/__tests__/transforms/vFor.spec.ts b/packages/compiler-vapor/__tests__/transforms/vFor.spec.ts
index 0ed9fc1d9..768ce03be 100644
--- a/packages/compiler-vapor/__tests__/transforms/vFor.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vFor.spec.ts
@@ -28,7 +28,7 @@ describe('compiler: v-for', () => {
     expect(vaporHelpers).contains('createFor')
     expect(helpers.size).toBe(0)
     expect(ir.template).toEqual(['<div></div>'])
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.FOR,
         id: 1,
@@ -43,7 +43,7 @@ describe('compiler: v-for', () => {
         key: undefined,
         index: undefined,
         render: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 0,
         },
         keyProperty: {
@@ -52,13 +52,13 @@ describe('compiler: v-for', () => {
         },
       },
     ])
-    expect(ir.returns).toEqual([1])
-    expect(ir.dynamic).toMatchObject({
+    expect(ir.block.returns).toEqual([1])
+    expect(ir.block.dynamic).toMatchObject({
       id: 0,
       children: { 0: { id: 1 } },
     })
-    expect(ir.effect).toEqual([])
-    expect((ir.operation[0] as ForIRNode).render.effect).lengthOf(1)
+    expect(ir.block.effect).toEqual([])
+    expect((ir.block.operation[0] as ForIRNode).render.effect).lengthOf(1)
   })
 
   test('multi effect', () => {
diff --git a/packages/compiler-vapor/__tests__/transforms/vHtml.spec.ts b/packages/compiler-vapor/__tests__/transforms/vHtml.spec.ts
index c24990214..456356c2c 100644
--- a/packages/compiler-vapor/__tests__/transforms/vHtml.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vHtml.spec.ts
@@ -23,8 +23,8 @@ describe('v-html', () => {
     expect(vaporHelpers).contains('setHtml')
     expect(helpers.size).toBe(0)
 
-    expect(ir.operation).toEqual([])
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.operation).toEqual([])
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -65,8 +65,8 @@ describe('v-html', () => {
     // children should have been removed
     expect(ir.template).toEqual(['<div></div>'])
 
-    expect(ir.operation).toEqual([])
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.operation).toEqual([])
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
diff --git a/packages/compiler-vapor/__tests__/transforms/vIf.spec.ts b/packages/compiler-vapor/__tests__/transforms/vIf.spec.ts
index 89fab97ee..b0875db09 100644
--- a/packages/compiler-vapor/__tests__/transforms/vIf.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vIf.spec.ts
@@ -32,7 +32,7 @@ describe('compiler: v-if', () => {
     expect(helpers.size).toBe(0)
 
     expect(ir.template).toEqual(['<div></div>'])
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.IF,
         id: 1,
@@ -42,20 +42,20 @@ describe('compiler: v-if', () => {
           isStatic: false,
         },
         positive: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 0,
         },
       },
     ])
-    expect(ir.returns).toEqual([1])
+    expect(ir.block.returns).toEqual([1])
 
-    expect(ir.dynamic).toMatchObject({
+    expect(ir.block.dynamic).toMatchObject({
       id: 0,
       children: { 0: { id: 1 } },
     })
 
-    expect(ir.effect).toEqual([])
-    expect((ir.operation[0] as IfIRNode).positive.effect).lengthOf(1)
+    expect(ir.block.effect).toEqual([])
+    expect((ir.block.operation[0] as IfIRNode).positive.effect).lengthOf(1)
 
     expect(code).matchSnapshot()
   })
@@ -68,8 +68,8 @@ describe('compiler: v-if', () => {
 
     expect(ir.template).toEqual(['<div></div>hello<p></p>'])
 
-    expect(ir.effect).toEqual([])
-    expect((ir.operation[0] as IfIRNode).positive.effect).toMatchObject([
+    expect(ir.block.effect).toEqual([])
+    expect((ir.block.operation[0] as IfIRNode).positive.effect).toMatchObject([
       {
         operations: [
           {
@@ -86,7 +86,7 @@ describe('compiler: v-if', () => {
         ],
       },
     ])
-    expect((ir.operation[0] as IfIRNode).positive.dynamic).toMatchObject({
+    expect((ir.block.operation[0] as IfIRNode).positive.dynamic).toMatchObject({
       id: 2,
       children: { 2: { id: 3 } },
     })
@@ -98,7 +98,7 @@ describe('compiler: v-if', () => {
     )
     expect(code).matchSnapshot()
     expect(ir.template).toEqual(['<div>hello</div>'])
-    expect(ir.returns).toEqual([1, 3])
+    expect(ir.block.returns).toEqual([1, 3])
   })
 
   test.todo('v-if with v-once')
@@ -112,9 +112,9 @@ describe('compiler: v-if', () => {
     expect(ir.template).toEqual(['<div></div>', '<p></p>'])
 
     expect(vaporHelpers).contains('createIf')
-    expect(ir.effect).lengthOf(0)
+    expect(ir.block.effect).lengthOf(0)
     expect(helpers).lengthOf(0)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.IF,
         id: 1,
@@ -124,16 +124,16 @@ describe('compiler: v-if', () => {
           isStatic: false,
         },
         positive: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 0,
         },
         negative: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 1,
         },
       },
     ])
-    expect(ir.returns).toEqual([1])
+    expect(ir.block.returns).toEqual([1])
   })
 
   test('v-if + v-else-if', () => {
@@ -143,7 +143,7 @@ describe('compiler: v-if', () => {
     expect(code).matchSnapshot()
     expect(ir.template).toEqual(['<div></div>', '<p></p>'])
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.IF,
         id: 1,
@@ -153,7 +153,7 @@ describe('compiler: v-if', () => {
           isStatic: false,
         },
         positive: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 0,
         },
         negative: {
@@ -164,13 +164,13 @@ describe('compiler: v-if', () => {
             isStatic: false,
           },
           positive: {
-            type: IRNodeTypes.BLOCK_FUNCTION,
+            type: IRNodeTypes.BLOCK,
             templateIndex: 1,
           },
         },
       },
     ])
-    expect(ir.returns).toEqual([1])
+    expect(ir.block.returns).toEqual([1])
   })
 
   test('v-if + v-else-if + v-else', () => {
@@ -180,23 +180,23 @@ describe('compiler: v-if', () => {
     expect(code).matchSnapshot()
     expect(ir.template).toEqual(['<div></div>', '<p></p>', 'fine'])
 
-    expect(ir.returns).toEqual([1])
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.returns).toEqual([1])
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.IF,
         id: 1,
         positive: {
-          type: IRNodeTypes.BLOCK_FUNCTION,
+          type: IRNodeTypes.BLOCK,
           templateIndex: 0,
         },
         negative: {
           type: IRNodeTypes.IF,
           positive: {
-            type: IRNodeTypes.BLOCK_FUNCTION,
+            type: IRNodeTypes.BLOCK,
             templateIndex: 1,
           },
           negative: {
-            type: IRNodeTypes.BLOCK_FUNCTION,
+            type: IRNodeTypes.BLOCK,
             templateIndex: 2,
           },
         },
diff --git a/packages/compiler-vapor/__tests__/transforms/vOn.spec.ts b/packages/compiler-vapor/__tests__/transforms/vOn.spec.ts
index 6903bbc75..1ef7efcaf 100644
--- a/packages/compiler-vapor/__tests__/transforms/vOn.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vOn.spec.ts
@@ -22,9 +22,9 @@ describe('v-on', () => {
 
     expect(vaporHelpers).contains('on')
     expect(helpers.size).toBe(0)
-    expect(ir.effect).toEqual([])
+    expect(ir.block.effect).toEqual([])
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         element: 1,
@@ -87,9 +87,9 @@ describe('v-on', () => {
     expect(vaporHelpers).contains('on')
     expect(vaporHelpers).contains('renderEffect')
     expect(helpers.size).toBe(0)
-    expect(ir.operation).toEqual([])
+    expect(ir.block.operation).toEqual([])
 
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_EVENT,
       element: 1,
       key: {
@@ -126,9 +126,9 @@ describe('v-on', () => {
     expect(vaporHelpers).contains('on')
     expect(vaporHelpers).contains('renderEffect')
     expect(helpers.size).toBe(0)
-    expect(ir.operation).toEqual([])
+    expect(ir.block.operation).toEqual([])
 
-    expect(ir.effect[0].operations[0]).toMatchObject({
+    expect(ir.block.effect[0].operations[0]).toMatchObject({
       type: IRNodeTypes.SET_EVENT,
       element: 1,
       key: {
@@ -152,9 +152,9 @@ describe('v-on', () => {
 
     expect(vaporHelpers).contains('on')
     expect(helpers.size).toBe(0)
-    expect(ir.effect).toEqual([])
+    expect(ir.block.effect).toEqual([])
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         element: 1,
@@ -198,7 +198,7 @@ describe('v-on', () => {
   test('should handle multiple inline statement', () => {
     const { ir, code } = compileWithVOn(`<div @click="foo();bar()"/>`)
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: 'foo();bar()' },
@@ -217,7 +217,7 @@ describe('v-on', () => {
   test('should handle multi-line statement', () => {
     const { code, ir } = compileWithVOn(`<div @click="\nfoo();\nbar()\n"/>`)
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: '\nfoo();\nbar()\n' },
@@ -238,7 +238,7 @@ describe('v-on', () => {
       prefixIdentifiers: true,
     })
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: 'foo($event)' },
@@ -257,7 +257,7 @@ describe('v-on', () => {
       prefixIdentifiers: true,
     })
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: 'foo($event);bar()' },
@@ -274,7 +274,7 @@ describe('v-on', () => {
   test('should NOT wrap as function if expression is already function expression', () => {
     const { code, ir } = compileWithVOn(`<div @click="$event => foo($event)"/>`)
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: '$event => foo($event)' },
@@ -291,7 +291,7 @@ describe('v-on', () => {
       { expressionPlugins: ['typescript'] },
     )
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: '(e: any): any => foo(e)' },
@@ -313,7 +313,7 @@ describe('v-on', () => {
     "/>`,
     )
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: {
@@ -337,7 +337,7 @@ describe('v-on', () => {
       },
     )
 
-    expect(ir.operation[0]).toMatchObject({
+    expect(ir.block.operation[0]).toMatchObject({
       type: IRNodeTypes.SET_EVENT,
       value: { content: '$event => {i++;foo($event)}' },
     })
@@ -347,7 +347,7 @@ describe('v-on', () => {
 
   test('should NOT wrap as function if expression is complex member expression', () => {
     const { ir, code } = compileWithVOn(`<div @click="a['b' + c]"/>`)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: `a['b' + c]` },
@@ -359,7 +359,7 @@ describe('v-on', () => {
 
   test('complex member expression w/ prefixIdentifiers: true', () => {
     const { ir, code } = compileWithVOn(`<div @click="a['b' + c]"/>`)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: `a['b' + c]` },
@@ -375,7 +375,7 @@ describe('v-on', () => {
       prefixIdentifiers: true,
     })
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: { content: `e => foo(e)` },
@@ -419,7 +419,7 @@ describe('v-on', () => {
     )
 
     expect(vaporHelpers).contains('on')
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         value: {
@@ -449,7 +449,7 @@ describe('v-on', () => {
       },
     )
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
@@ -504,7 +504,7 @@ describe('v-on', () => {
       },
     )
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         element: 1,
@@ -533,7 +533,7 @@ describe('v-on', () => {
     const { code, ir } = compileWithVOn(`<div @keyup.exact="test"/>`, {
       prefixIdentifiers: true,
     })
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         modifiers: { nonKeys: ['exact'] },
@@ -548,7 +548,7 @@ describe('v-on', () => {
       prefixIdentifiers: true,
     })
 
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         modifiers: {
@@ -567,7 +567,7 @@ describe('v-on', () => {
       prefixIdentifiers: true,
     })
 
-    expect(ir.effect[0].operations).toMatchObject([
+    expect(ir.block.effect[0].operations).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
@@ -588,7 +588,7 @@ describe('v-on', () => {
 
   test('should transform click.right', () => {
     const { code, ir } = compileWithVOn(`<div @click.right="test"/>`)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
@@ -608,7 +608,7 @@ describe('v-on', () => {
     const { code: code2, ir: ir2 } = compileWithVOn(
       `<div @[event].right="test"/>`,
     )
-    expect(ir2.effect[0].operations).toMatchObject([
+    expect(ir2.block.effect[0].operations).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
@@ -629,7 +629,7 @@ describe('v-on', () => {
 
   test('should transform click.middle', () => {
     const { code, ir } = compileWithVOn(`<div @click.middle="test"/>`)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
@@ -650,7 +650,7 @@ describe('v-on', () => {
       `<div @[event].middle="test"/>`,
     )
 
-    expect(ir2.effect[0].operations).toMatchObject([
+    expect(ir2.block.effect[0].operations).toMatchObject([
       {
         type: IRNodeTypes.SET_EVENT,
         key: {
diff --git a/packages/compiler-vapor/__tests__/transforms/vOnce.spec.ts b/packages/compiler-vapor/__tests__/transforms/vOnce.spec.ts
index 1ce024284..dc97d5b62 100644
--- a/packages/compiler-vapor/__tests__/transforms/vOnce.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vOnce.spec.ts
@@ -26,8 +26,8 @@ describe('compiler: v-once', () => {
 
     expect(code).toMatchSnapshot()
     expect(helpers).lengthOf(0)
-    expect(ir.effect).lengthOf(0)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.effect).lengthOf(0)
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.CREATE_TEXT_NODE,
         id: 1,
@@ -79,8 +79,8 @@ describe('compiler: v-once', () => {
 
     expect(code).toMatchSnapshot()
     expect(helpers).lengthOf(0)
-    expect(ir.effect).lengthOf(0)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.effect).lengthOf(0)
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_PROP,
         element: 1,
@@ -110,8 +110,8 @@ describe('compiler: v-once', () => {
 
     expect(code).toMatchSnapshot()
     expect(helpers).lengthOf(0)
-    expect(ir.effect).lengthOf(0)
-    expect(ir.operation).toMatchObject([
+    expect(ir.block.effect).lengthOf(0)
+    expect(ir.block.operation).toMatchObject([
       {
         type: IRNodeTypes.SET_PROP,
         element: 1,
@@ -144,8 +144,8 @@ describe('compiler: v-once', () => {
 
     expect(code).toMatchSnapshot()
     expect(helpers).lengthOf(0)
-    expect(ir.effect).lengthOf(0)
-    expect(ir.operation).lengthOf(0)
+    expect(ir.block.effect).lengthOf(0)
+    expect(ir.block.operation).lengthOf(0)
   })
 
   test.todo('with hoistStatic: true')
diff --git a/packages/compiler-vapor/__tests__/transforms/vText.spec.ts b/packages/compiler-vapor/__tests__/transforms/vText.spec.ts
index 3e9cfccf2..b3cb882a0 100644
--- a/packages/compiler-vapor/__tests__/transforms/vText.spec.ts
+++ b/packages/compiler-vapor/__tests__/transforms/vText.spec.ts
@@ -23,9 +23,9 @@ describe('v-text', () => {
     expect(vaporHelpers).contains('setText')
     expect(helpers.size).toBe(0)
 
-    expect(ir.operation).toEqual([])
+    expect(ir.block.operation).toEqual([])
 
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
@@ -65,7 +65,7 @@ describe('v-text', () => {
     // children should have been removed
     expect(ir.template).toEqual(['<div></div>'])
 
-    expect(ir.effect).toMatchObject([
+    expect(ir.block.effect).toMatchObject([
       {
         expressions: [
           {
diff --git a/packages/compiler-vapor/src/generate.ts b/packages/compiler-vapor/src/generate.ts
index 79bf9889a..3d212a0c8 100644
--- a/packages/compiler-vapor/src/generate.ts
+++ b/packages/compiler-vapor/src/generate.ts
@@ -118,7 +118,7 @@ export function generate(
   }
 
   push(INDENT_START)
-  push(...genBlockFunctionContent(ir, context))
+  push(...genBlockFunctionContent(ir.block, context))
   push(INDENT_END, NEWLINE)
 
   if (isSetupInlined) {
diff --git a/packages/compiler-vapor/src/generators/block.ts b/packages/compiler-vapor/src/generators/block.ts
index 1b2188341..0b7f0e2ee 100644
--- a/packages/compiler-vapor/src/generators/block.ts
+++ b/packages/compiler-vapor/src/generators/block.ts
@@ -1,9 +1,4 @@
-import {
-  type BlockFunctionIRNode,
-  IRNodeTypes,
-  type RootIRNode,
-  type WithDirectiveIRNode,
-} from '../ir'
+import { type BlockIRNode, IRNodeTypes, type WithDirectiveIRNode } from '../ir'
 import {
   type CodeFragment,
   INDENT_END,
@@ -18,7 +13,7 @@ import { genChildren } from './template'
 import { genMulti } from './utils'
 
 export function genBlockFunction(
-  oper: BlockFunctionIRNode,
+  oper: BlockIRNode,
   context: CodegenContext,
   args: CodeFragment[] = [],
   customReturns?: (returns: CodeFragment[]) => CodeFragment[],
@@ -36,13 +31,7 @@ export function genBlockFunction(
 }
 
 export function genBlockFunctionContent(
-  {
-    dynamic,
-    effect,
-    operation,
-    templateIndex,
-    returns,
-  }: BlockFunctionIRNode | RootIRNode,
+  { dynamic, effect, operation, templateIndex, returns }: BlockIRNode,
   context: CodegenContext,
   customReturns?: (returns: CodeFragment[]) => CodeFragment[],
 ): CodeFragment[] {
diff --git a/packages/compiler-vapor/src/generators/if.ts b/packages/compiler-vapor/src/generators/if.ts
index 7f960f145..ce92e6601 100644
--- a/packages/compiler-vapor/src/generators/if.ts
+++ b/packages/compiler-vapor/src/generators/if.ts
@@ -23,7 +23,7 @@ export function genIf(
   let negativeArg: false | CodeFragment[] = false
 
   if (negative) {
-    if (negative.type === IRNodeTypes.BLOCK_FUNCTION) {
+    if (negative.type === IRNodeTypes.BLOCK) {
       negativeArg = genBlockFunction(negative, context)
     } else {
       negativeArg = ['() => ', ...genIf(negative!, context, true)]
diff --git a/packages/compiler-vapor/src/ir.ts b/packages/compiler-vapor/src/ir.ts
index fdcf5ca3b..70307cbef 100644
--- a/packages/compiler-vapor/src/ir.ts
+++ b/packages/compiler-vapor/src/ir.ts
@@ -15,7 +15,7 @@ import type {
 
 export enum IRNodeTypes {
   ROOT,
-  BLOCK_FUNCTION,
+  BLOCK,
 
   SET_PROP,
   SET_DYNAMIC_PROPS,
@@ -42,8 +42,8 @@ export interface BaseIRNode {
 
 export type VaporHelper = keyof typeof import('@vue/runtime-vapor')
 
-export interface BlockFunctionIRNode extends BaseIRNode {
-  type: IRNodeTypes.BLOCK_FUNCTION
+export interface BlockIRNode extends BaseIRNode {
+  type: IRNodeTypes.BLOCK
   node: RootNode | TemplateChildNode
   templateIndex: number
   dynamic: IRDynamicInfo
@@ -52,19 +52,20 @@ export interface BlockFunctionIRNode extends BaseIRNode {
   returns: number[]
 }
 
-export interface RootIRNode extends Omit<BlockFunctionIRNode, 'type'> {
+export interface RootIRNode {
   type: IRNodeTypes.ROOT
   node: RootNode
   source: string
   template: string[]
+  block: BlockIRNode
 }
 
 export interface IfIRNode extends BaseIRNode {
   type: IRNodeTypes.IF
   id: number
   condition: SimpleExpressionNode
-  positive: BlockFunctionIRNode
-  negative?: BlockFunctionIRNode | IfIRNode
+  positive: BlockIRNode
+  negative?: BlockIRNode | IfIRNode
 }
 
 export interface ForIRNode extends BaseIRNode {
@@ -75,7 +76,7 @@ export interface ForIRNode extends BaseIRNode {
   key?: SimpleExpressionNode
   index?: SimpleExpressionNode
   keyProperty?: SimpleExpressionNode
-  render: BlockFunctionIRNode
+  render: BlockIRNode
 }
 
 export interface IRProp extends Omit<DirectiveTransformResult, 'value'> {
@@ -187,8 +188,6 @@ export type OperationNode =
   | IfIRNode
   | ForIRNode
 
-export type BlockIRNode = RootIRNode | BlockFunctionIRNode
-
 export enum DynamicFlag {
   NONE = 0,
   /**
diff --git a/packages/compiler-vapor/src/transform.ts b/packages/compiler-vapor/src/transform.ts
index c42acb343..1aacc1ee3 100644
--- a/packages/compiler-vapor/src/transform.ts
+++ b/packages/compiler-vapor/src/transform.ts
@@ -118,7 +118,7 @@ function createRootContext(
     parent: null,
     index: 0,
     root: null!, // set later
-    block: root,
+    block: root.block,
     enterBlock(ir) {
       const { block, template, dynamic, childrenTemplate } = this
       this.block = ir
@@ -134,7 +134,7 @@ function createRootContext(
       }
     },
     options: extend({}, defaultOptions, options),
-    dynamic: root.dynamic,
+    dynamic: root.block.dynamic,
     inVOnce: false,
 
     increaseId: () => globalId++,
@@ -222,13 +222,17 @@ export function transform(
     node: root,
     source: root.source,
     template: [],
-    templateIndex: -1,
-    dynamic: extend(genDefaultDynamic(), {
-      flags: DynamicFlag.REFERENCED,
-    } satisfies Partial<IRDynamicInfo>),
-    effect: [],
-    operation: [],
-    returns: [],
+    block: {
+      type: IRNodeTypes.BLOCK,
+      node: root,
+      templateIndex: -1,
+      dynamic: extend(genDefaultDynamic(), {
+        flags: DynamicFlag.REFERENCED,
+      } satisfies Partial<IRDynamicInfo>),
+      effect: [],
+      operation: [],
+      returns: [],
+    },
   }
 
   const context = createRootContext(ir, root, options)
diff --git a/packages/compiler-vapor/src/transforms/vFor.ts b/packages/compiler-vapor/src/transforms/vFor.ts
index 0e54f94d2..fab676a67 100644
--- a/packages/compiler-vapor/src/transforms/vFor.ts
+++ b/packages/compiler-vapor/src/transforms/vFor.ts
@@ -9,7 +9,7 @@ import {
   createStructuralDirectiveTransform,
 } from '../transform'
 import {
-  type BlockFunctionIRNode,
+  type BlockIRNode,
   DynamicFlag,
   type IRDynamicInfo,
   IRNodeTypes,
@@ -50,8 +50,8 @@ export function processFor(
   context.node = node = wrapTemplate(node, ['for'])
   context.dynamic.flags |= DynamicFlag.NON_TEMPLATE | DynamicFlag.INSERT
   const id = context.reference()
-  const render: BlockFunctionIRNode = {
-    type: IRNodeTypes.BLOCK_FUNCTION,
+  const render: BlockIRNode = {
+    type: IRNodeTypes.BLOCK,
     node,
     templateIndex: -1,
     dynamic: extend(genDefaultDynamic(), {
diff --git a/packages/compiler-vapor/src/transforms/vIf.ts b/packages/compiler-vapor/src/transforms/vIf.ts
index fd080ddcd..05ae0553d 100644
--- a/packages/compiler-vapor/src/transforms/vIf.ts
+++ b/packages/compiler-vapor/src/transforms/vIf.ts
@@ -11,7 +11,7 @@ import {
   createStructuralDirectiveTransform,
 } from '../transform'
 import {
-  type BlockFunctionIRNode,
+  type BlockIRNode,
   DynamicFlag,
   type IRDynamicInfo,
   IRNodeTypes,
@@ -140,11 +140,11 @@ export function processIf(
 export function createIfBranch(
   node: ElementNode,
   context: TransformContext<ElementNode>,
-): [BlockFunctionIRNode, () => void] {
+): [BlockIRNode, () => void] {
   context.node = node = wrapTemplate(node, ['if', 'else-if', 'else'])
 
-  const branch: BlockFunctionIRNode = {
-    type: IRNodeTypes.BLOCK_FUNCTION,
+  const branch: BlockIRNode = {
+    type: IRNodeTypes.BLOCK,
     node,
     templateIndex: -1,
     dynamic: extend(genDefaultDynamic(), {