From f28f67d988158d6c46f7ffe967152f98d32a37b2 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 30 Jun 2025 14:32:50 -0700
Subject: Add MLP training examples. (#7550)

* Add MLP training examples.

* Formatting fix.

* Fix.

* Improve documentation on coopvector.

* Improve doc.

* Update doc.

* Fix typo.

* Cleanup shader.

* Cleanup.

* Fix test.

* Fix type check recursion.

* Fix.

* Fix.

* Fix override check.
---
 source/slang/slang-check-decl.cpp | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

(limited to 'source/slang/slang-check-decl.cpp')

diff --git a/source/slang/slang-check-decl.cpp b/source/slang/slang-check-decl.cpp
index 1a70e25d7..0dd859bb2 100644
--- a/source/slang/slang-check-decl.cpp
+++ b/source/slang/slang-check-decl.cpp
@@ -2914,9 +2914,9 @@ bool SemanticsVisitor::trySynthesizeDifferentialAssociatedTypeRequirementWitness
             context->parentDecl->findLastDirectMemberDeclOfName(requirementDeclRef.getName()))
     {
         // Remove the `ToBeSynthesizedModifier`.
-        if (as<ToBeSynthesizedModifier>(existingDecl->modifiers.first))
+        if (auto mod = existingDecl->modifiers.findModifier<ToBeSynthesizedModifier>())
         {
-            existingDecl->modifiers.first = existingDecl->modifiers.first->next;
+            removeModifier(existingDecl, mod);
         }
         else
         {
@@ -3133,14 +3133,9 @@ bool SemanticsVisitor::trySynthesizeDifferentialAssociatedTypeRequirementWitness
 
     addModifier(aggTypeDecl, m_astBuilder->create<SynthesizedModifier>());
 
-    // The visibility of synthesized decl should be the min of the parent decl and the requirement.
-    if (requirementDeclRef.getDecl()->findModifier<VisibilityModifier>())
-    {
-        auto requirementVisibility = getDeclVisibility(requirementDeclRef.getDecl());
-        auto thisVisibility = getDeclVisibility(context->parentDecl);
-        auto visibility = Math::Min(thisVisibility, requirementVisibility);
-        addVisibilityModifier(aggTypeDecl, visibility);
-    }
+    // The visibility of synthesized decl should be the same of the parent decl.
+    auto thisVisibility = getDeclVisibility(context->parentDecl);
+    addVisibilityModifier(aggTypeDecl, thisVisibility);
 
     // Synthesize the rest of IDifferential method conformances by recursively checking
     // conformance on the synthesized decl.
@@ -4149,8 +4144,12 @@ bool SemanticsVisitor::doesVarMatchRequirement(
             return false;
     }
 
-    auto satisfyingVal =
-        tryConstantFoldDeclRef(satisfyingMemberDeclRef, ConstantFoldingKind::LinkTime, nullptr);
+    IntVal* satisfyingVal = nullptr;
+    if (isValidCompileTimeConstantType(satisfyingType))
+    {
+        satisfyingVal =
+            tryConstantFoldDeclRef(satisfyingMemberDeclRef, ConstantFoldingKind::LinkTime, nullptr);
+    }
     if (satisfyingVal)
     {
         witnessTable->add(requiredMemberDeclRef.getDecl(), RequirementWitness(satisfyingVal));
@@ -5125,9 +5124,9 @@ void SemanticsVisitor::markOverridingDecl(
         return;
     }
 
+    memberDecl = maybeGetInner(memberDecl);
     if (hasDefaultImpl(requiredMemberDeclRef))
     {
-        memberDecl = maybeGetInner(memberDecl);
         // If the required member has a default implementation,
         // we need to make sure the member we found is marked as 'override'.
         if (!memberDecl->hasModifier<OverrideModifier>())
@@ -14290,6 +14289,9 @@ void SemanticsDeclCapabilityVisitor::visitFunctionDeclBase(FunctionDeclBase* fun
     }
     else
     {
+        auto declaredCapModifier = m_astBuilder->create<ExplicitlyDeclaredCapabilityModifier>();
+        declaredCapModifier->declaredCapabilityRequirements = declaredCaps;
+        addModifier(funcDecl, declaredCapModifier);
         if (vis == DeclVisibility::Public)
         {
             // For public decls, we need to enforce that the function
-- 
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