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-rw-r--r--src/wasm/wasm-binary.cpp11
-rw-r--r--src/wasm/wasm-stack.cpp6
-rw-r--r--src/wasm/wasm-validator.cpp61
3 files changed, 44 insertions, 34 deletions
diff --git a/src/wasm/wasm-binary.cpp b/src/wasm/wasm-binary.cpp
index 7b2922d3c..996ee8cf6 100644
--- a/src/wasm/wasm-binary.cpp
+++ b/src/wasm/wasm-binary.cpp
@@ -6894,7 +6894,8 @@ bool WasmBinaryBuilder::maybeVisitI31Get(Expression*& out, uint32_t code) {
bool WasmBinaryBuilder::maybeVisitRefTest(Expression*& out, uint32_t code) {
if (code == BinaryConsts::RefTestStatic || code == BinaryConsts::RefTest) {
- auto intendedType = getIndexedHeapType();
+ bool legacy = code == BinaryConsts::RefTestStatic;
+ auto intendedType = legacy ? getIndexedHeapType() : getHeapType();
auto* ref = popNonVoidExpression();
out = Builder(wasm).makeRefTest(ref, intendedType);
return true;
@@ -6905,7 +6906,9 @@ bool WasmBinaryBuilder::maybeVisitRefTest(Expression*& out, uint32_t code) {
bool WasmBinaryBuilder::maybeVisitRefCast(Expression*& out, uint32_t code) {
if (code == BinaryConsts::RefCastStatic ||
code == BinaryConsts::RefCastNull || code == BinaryConsts::RefCastNop) {
- auto intendedType = getIndexedHeapType();
+ bool legacy =
+ code == BinaryConsts::RefCastStatic || code == BinaryConsts::RefCastNop;
+ auto intendedType = legacy ? getIndexedHeapType() : getHeapType();
auto* ref = popNonVoidExpression();
auto safety =
code == BinaryConsts::RefCastNop ? RefCast::Unsafe : RefCast::Safe;
@@ -6956,7 +6959,9 @@ bool WasmBinaryBuilder::maybeVisitBrOn(Expression*& out, uint32_t code) {
auto name = getBreakTarget(getU32LEB()).name;
HeapType intendedType;
if (op == BrOnCast || op == BrOnCastFail) {
- intendedType = getIndexedHeapType();
+ bool legacy = code == BinaryConsts::BrOnCastStatic ||
+ code == BinaryConsts::BrOnCastStaticFail;
+ intendedType = legacy ? getIndexedHeapType() : getHeapType();
}
auto* ref = popNonVoidExpression();
out = Builder(wasm).makeBrOn(op, name, ref, intendedType);
diff --git a/src/wasm/wasm-stack.cpp b/src/wasm/wasm-stack.cpp
index 1f477a10c..c4b9598c7 100644
--- a/src/wasm/wasm-stack.cpp
+++ b/src/wasm/wasm-stack.cpp
@@ -2026,7 +2026,7 @@ void BinaryInstWriter::visitCallRef(CallRef* curr) {
void BinaryInstWriter::visitRefTest(RefTest* curr) {
o << int8_t(BinaryConsts::GCPrefix);
o << U32LEB(BinaryConsts::RefTest);
- parent.writeIndexedHeapType(curr->intendedType);
+ parent.writeHeapType(curr->intendedType);
}
void BinaryInstWriter::visitRefCast(RefCast* curr) {
@@ -2036,7 +2036,7 @@ void BinaryInstWriter::visitRefCast(RefCast* curr) {
} else {
o << U32LEB(BinaryConsts::RefCastNull);
}
- parent.writeIndexedHeapType(curr->intendedType);
+ parent.writeHeapType(curr->intendedType);
}
void BinaryInstWriter::visitBrOn(BrOn* curr) {
@@ -2078,7 +2078,7 @@ void BinaryInstWriter::visitBrOn(BrOn* curr) {
}
o << U32LEB(getBreakIndex(curr->name));
if (curr->op == BrOnCast || curr->op == BrOnCastFail) {
- parent.writeIndexedHeapType(curr->intendedType);
+ parent.writeHeapType(curr->intendedType);
}
}
diff --git a/src/wasm/wasm-validator.cpp b/src/wasm/wasm-validator.cpp
index ba8712d35..16b6f5314 100644
--- a/src/wasm/wasm-validator.cpp
+++ b/src/wasm/wasm-validator.cpp
@@ -2504,49 +2504,54 @@ void FunctionValidator::visitI31Get(I31Get* curr) {
void FunctionValidator::visitRefTest(RefTest* curr) {
shouldBeTrue(
getModule()->features.hasGC(), curr, "ref.test requires gc [--enable-gc]");
- if (curr->ref->type != Type::unreachable) {
- shouldBeTrue(
- curr->ref->type.isRef(), curr, "ref.test ref must have ref type");
+ if (curr->ref->type == Type::unreachable) {
+ return;
}
- shouldBeUnequal(curr->intendedType,
- HeapType(),
- curr,
- "static ref.test must set intendedType field");
- shouldBeTrue(
- !curr->intendedType.isBasic(), curr, "ref.test must test a non-basic");
+ if (!shouldBeTrue(
+ curr->ref->type.isRef(), curr, "ref.test ref must have ref type")) {
+ return;
+ }
+ shouldBeEqual(
+ curr->intendedType.getBottom(),
+ curr->ref->type.getHeapType().getBottom(),
+ curr,
+ "ref.test target type and ref type must have a common supertype");
}
void FunctionValidator::visitRefCast(RefCast* curr) {
shouldBeTrue(
getModule()->features.hasGC(), curr, "ref.cast requires gc [--enable-gc]");
- if (curr->ref->type != Type::unreachable) {
- shouldBeTrue(
- curr->ref->type.isRef(), curr, "ref.cast ref must have ref type");
+ if (curr->ref->type == Type::unreachable) {
+ return;
}
- shouldBeUnequal(curr->intendedType,
- HeapType(),
- curr,
- "static ref.cast must set intendedType field");
- shouldBeTrue(
- !curr->intendedType.isBasic(), curr, "ref.cast must cast to a non-basic");
+ if (!shouldBeTrue(
+ curr->ref->type.isRef(), curr, "ref.cast ref must have ref type")) {
+ return;
+ }
+ shouldBeEqual(
+ curr->intendedType.getBottom(),
+ curr->ref->type.getHeapType().getBottom(),
+ curr,
+ "ref.cast target type and ref type must have a common supertype");
}
void FunctionValidator::visitBrOn(BrOn* curr) {
shouldBeTrue(getModule()->features.hasGC(),
curr,
"br_on_cast requires gc [--enable-gc]");
- if (curr->ref->type != Type::unreachable) {
- shouldBeTrue(
- curr->ref->type.isRef(), curr, "br_on_cast ref must have ref type");
+ if (curr->ref->type == Type::unreachable) {
+ return;
+ }
+ if (!shouldBeTrue(
+ curr->ref->type.isRef(), curr, "br_on_cast ref must have ref type")) {
+ return;
}
if (curr->op == BrOnCast || curr->op == BrOnCastFail) {
- shouldBeUnequal(curr->intendedType,
- HeapType(),
- curr,
- "static br_on_cast* must set intendedType field");
- shouldBeTrue(!curr->intendedType.isBasic(),
- curr,
- "br_on_cast* must cast to a non-basic");
+ shouldBeEqual(
+ curr->intendedType.getBottom(),
+ curr->ref->type.getHeapType().getBottom(),
+ curr,
+ "br_on_cast* target type and ref type must have a common supertype");
} else {
shouldBeEqual(curr->intendedType,
HeapType(),
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-05 11:32:15 +0000