[clang] [libcxx] [Clang] Implement CWG2369 "Ordering between constraints and substitution" (PR #102857)

2024-11-11 Thread Matheus Izvekov via cfe-commits
@@ -4008,6 +3996,38 @@ TemplateDeductionResult Sema::FinishTemplateArgumentDeduction( Owner = FunctionTemplate->getLexicalDeclContext(); FunctionDecl *FD = FunctionTemplate->getTemplatedDecl(); + // C++20 [temp.deduct.general]p5: (CWG2369) + // If the function templat

[clang] [Clang] Fix name lookup for dependent bases (PR #114978)

2024-11-08 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM, but give some time for @sdkrystian to take a look, since he is actively working on this area. https://github.com/llvm/llvm-project/pull/114978 ___ cfe-commits mailing list cfe-commits@lists

[clang] [Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4 (PR #113777)

2024-11-07 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: Reverted. The issue looks like the instantiation of the default argument was skipped, but without any previous error actually being produced, so it proceeded to CodeGen with invalid AST. https://github.com/llvm/llvm-project/pull/113777 __

[clang] Revert "[Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4" (PR #115404)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/115404 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Revert "[Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4" (PR #115404)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov created https://github.com/llvm/llvm-project/pull/115404 Reverts llvm/llvm-project#113777 Reverted due to regression reported here: https://github.com/llvm/llvm-project/pull/113777#issuecomment-2463465741 >From c702e6179cdde1460f33a300b78708f232f146e3 Mon Sep 17 00

[clang] [Clang] Distinguish expanding-packs-in-place cases for SubstTemplateTypeParmTypes (PR #114220)

2024-11-07 Thread Matheus Izvekov via cfe-commits
@@ -3149,9 +3156,15 @@ struct ExpandPackedTypeConstraints assert(SemaRef.ArgumentPackSubstitutionIndex != -1); +TemplateArgument Arg = TemplateArgs(T->getDepth(), T->getIndex()); + +std::optional PackIndex; +if (Arg.getKind() == TemplateArgument::Pack) +

[clang] [Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4 (PR #113777)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/113777 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4 (PR #113777)

2024-11-07 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: @zyn0217 meant the PR description, which is the body of the commit, not the title. I already fixed it for you. https://github.com/llvm/llvm-project/pull/113777 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.

[clang] [Clang] skip default argument instantiation for non-defining friend declarations without specialization info to meet [dcl.fct.default] p4 (PR #113777)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/113777 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang] Remove the wrong assumption when rebuilding SizeOfPackExprs for constraint normalization (PR #115120)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM, Thanks! https://github.com/llvm/llvm-project/pull/115120 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang] Remove the wrong assumption when rebuilding SizeOfPackExprs for constraint normalization (PR #115120)

2024-11-07 Thread Matheus Izvekov via cfe-commits
@@ -1731,31 +1731,21 @@ namespace { return inherited::TransformLambdaBody(E, Body); } -ExprResult RebuildSizeOfPackExpr(SourceLocation OperatorLoc, - NamedDecl *Pack, SourceLocation PackLoc, -

[clang] [Clang] Remove the wrong assumption when rebuilding SizeOfPackExprs for constraint normalization (PR #115120)

2024-11-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/115120 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -185,3 +185,21 @@ template struct S { friend void X::f(T::type); }; } + +namespace GH113324 { +template struct ct { + friend void f1(ct, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}} + friend void f2

[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -931,12 +935,73 @@ getRHSTemplateDeclAndArgs(Sema &SemaRef, TypeAliasTemplateDecl *AliasTemplate) { return {Template, AliasRhsTemplateArgs}; } +struct InheritedConstructorDeductionInfo { + // Class template for which we are declaring deduction guides + // This is `C` i

[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -1173,25 +1276,52 @@ void DeclareImplicitDeductionGuidesForTypeAlias( NewParam->setScopeInfo(0, I); FPTL.setParam(I, NewParam); } - auto *Transformed = cast(buildDeductionGuide( - SemaRef, AliasTemplate, /*TemplateParams=*/nullptr, + +

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -185,3 +185,21 @@ template struct S { friend void X::f(T::type); }; } + +namespace GH113324 { +template struct ct { + friend void f1(ct, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}} + friend void f2

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -6018,6 +6018,13 @@ bool Sema::GatherArgumentsForCall(SourceLocation CallLoc, FunctionDecl *FDecl, } else { assert(Param && "can't use default arguments without a known callee"); + // C++ [dcl.fct.default]p4 + // If a friend declaration D specifies a

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/113777 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM except for a couple of nits. Thanks! https://github.com/llvm/llvm-project/pull/113777 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/

[clang] [Clang] Remove the wrong assumption when rebuilding SizeOfPackExprs for constraint normalization (PR #115120)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -1736,23 +1736,13 @@ namespace { SourceLocation RParenLoc, std::optional Length, ArrayRef PartialArgs) { - if (SemaRef.CodeSynthesisContexts.back().Kind != -

[clang] [Clang] Remove the wrong assumption when rebuilding SizeOfPackExprs for constraint normalization (PR #115120)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -1881,6 +1871,15 @@ Decl *TemplateInstantiator::TransformDecl(SourceLocation Loc, Decl *D) { TemplateArgument Arg = TemplateArgs(TTP->getDepth(), TTP->getPosition()); if (TTP->isParameterPack()) { +// We might not have an index for pack expansion when n

[clang] [Clang] Fix name lookup for dependent bases (PR #114978)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -169,14 +169,18 @@ bool CXXBasePaths::lookupInBases(ASTContext &Context, // Find the record of the base class subobjects for this type. QualType BaseType = Context.getCanonicalType(BaseSpec.getType()).getUnqualifiedType(); +bool isCurrentInstantiation = f

[clang] [Clang] Fix name lookup for dependent bases (PR #114978)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -265,8 +268,8 @@ bool CXXBasePaths::lookupInBases(ASTContext &Context, BaseRecord = nullptr; } } else { -BaseRecord = cast( -BaseSpec.getType()->castAs()->getDecl()); +if (auto *RT = BaseSpec.getType()->getAs()) +

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -185,3 +185,27 @@ template struct S { friend void X::f(T::type); }; } + +namespace GH113324 { +template struct ct { + friend void f1(ct, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}} + friend void f2

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -185,3 +185,27 @@ template struct S { friend void X::f(T::type); }; } + +namespace GH113324 { +template struct ct { + friend void f1(ct, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}} + friend void f2

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -185,3 +185,27 @@ template struct S { friend void X::f(T::type); }; } + +namespace GH113324 { +template struct ct { + friend void f1(ct, int = 0); // expected-error {{friend declaration specifying a default argument must be a definition}} + friend void f2

[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -931,12 +935,73 @@ getRHSTemplateDeclAndArgs(Sema &SemaRef, TypeAliasTemplateDecl *AliasTemplate) { return {Template, AliasRhsTemplateArgs}; } +struct InheritedConstructorDeductionInfo { + // Class template for which we are declaring deduction guides + // This is `C` i

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -4694,6 +4694,15 @@ bool Sema::InstantiateDefaultArgument(SourceLocation CallLoc, FunctionDecl *FD, ParmVarDecl *Param) { assert(Param->hasUninstantiatedDefaultArg()); + // C++ [dcl.fct.default]p4 + // If a friend declaration D s

[clang] [Clang] Ensure default arguments in friend declarations are only allowed in defining declarations to prevent multiple reachable declarations (PR #113777)

2024-11-06 Thread Matheus Izvekov via cfe-commits
@@ -4694,6 +4694,15 @@ bool Sema::InstantiateDefaultArgument(SourceLocation CallLoc, FunctionDecl *FD, ParmVarDecl *Param) { assert(Param->hasUninstantiatedDefaultArg()); + // C++ [dcl.fct.default]p4 + // If a friend declaration D s

[clang] [Clang] prevent assertion failure from an invalid template instantiation pattern when adding instantiated params to the scope in friend functions with defaulted params (PR #113777)

2024-11-05 Thread Matheus Izvekov via cfe-commits
@@ -3430,15 +3430,17 @@ bool Sema::SubstDefaultArgument( ContextRAII SavedContext(*this, FD); std::unique_ptr LIS; -if (ForCallExpr) { +FunctionDecl *PatternFD = +ForCallExpr +? FD->getTemplateInstantiationPattern(/*ForDefinition*/ false) +

[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

2024-11-05 Thread Matheus Izvekov via cfe-commits
@@ -931,12 +935,73 @@ getRHSTemplateDeclAndArgs(Sema &SemaRef, TypeAliasTemplateDecl *AliasTemplate) { return {Template, AliasRhsTemplateArgs}; } +struct InheritedConstructorDeductionInfo { + // Class template for which we are declaring deduction guides + // This is `C` i

[clang] [clang] Implement P2582R1: CTAD from inherited constructors (PR #98788)

2024-11-05 Thread Matheus Izvekov via cfe-commits
@@ -11757,6 +11791,42 @@ static void DiagnoseBadDeduction(Sema &S, NamedDecl *Found, Decl *Templated, return; } +// Errors in deduction guides from inherited constructors +// will manifest as substitution failures in the return type +// partial specializ

[clang] [Clang] Distinguish expanding-packs-in-place cases for SubstTemplateTypeParmTypes (PR #114220)

2024-11-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/114220 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang][Sema] Ignore previous partial specializations of member class templates explicitly specialized for a implicitly instantiated class template specialization (PR #113464)

2024-11-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov commented: Sorry for the late review. The patch looks fine, thanks! I have a minor concern about the 3x repetition here, and would be happy to see this refactored at some point. https://github.com/llvm/llvm-project/pull/113464 __

[clang] [C++20] [Modules] Convert '-fexperimental-modules-reduced-bmi' to '-fmodules-reduced-bmi' (PR #114382)

2024-11-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov commented: I think the overall plan is fine, thanks for working on it! I think the idea of issuing a warning in order to get users to opt-in to a flag is somewhat novel. Have I missed discussion about this approach, versus simply changing the default? Regardless, f

[clang] [Clang] Distinguish expanding-packs-in-place cases for SubstTemplateTypeParmTypes (PR #114220)

2024-11-05 Thread Matheus Izvekov via cfe-commits
@@ -4205,6 +4205,7 @@ SubstTemplateTypeParmType::SubstTemplateTypeParmType( SubstTemplateTypeParmTypeBits.Index = Index; SubstTemplateTypeParmTypeBits.PackIndex = PackIndex ? *PackIndex + 1 : 0; + SubstTemplateTypeParmTypeBits.ExpandPacksInPlace = ExpandPacksInPlace;

[clang] [Clang] Distinguish expanding-packs-in-place cases for SubstTemplateTypeParmTypes (PR #114220)

2024-11-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM with small nit, thanks! https://github.com/llvm/llvm-project/pull/114220 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang][Sema] Fix exception specification comparison for functions with different template depths (PR #111561)

2024-10-18 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/111561 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang][Sema] Fix exception specification comparison for functions with different template depths (PR #111561)

2024-10-18 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM, thanks! https://github.com/llvm/llvm-project/pull/111561 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang][Sema] Fix exception specification comparison for functions with different template depths (PR #111561)

2024-10-18 Thread Matheus Izvekov via cfe-commits
@@ -314,6 +316,22 @@ bool Sema::CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New) { return false; } + if (Old->getExceptionSpecType() == EST_DependentNoexcept && + New->getExceptionSpecType() == EST_DependentNoexcept) { +const auto *OldType =

[clang] Fix build break in SemaHLSL.cpp on MSVC 2022: warning C4715: 'getResourceClass': not all control paths return a value (PR #112767)

2024-10-17 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/112767 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Fix build break in SemaHLSL.cpp on MSVC 2022: warning C4715: 'getResourceClass': not all control paths return a value (PR #112767)

2024-10-17 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/112767 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Fix build break in SemaHLSL.cpp on MSVC 2022: warning C4715: 'getResourceClass': not all control paths return a value (PR #112767)

2024-10-17 Thread Matheus Izvekov via cfe-commits
@@ -102,6 +102,7 @@ static ResourceClass getResourceClass(RegisterType RT) { return ResourceClass::Sampler; case RegisterType::C: case RegisterType::I: + default: llvm_unreachable("unexpected RegisterType value"); } mizvekov wrote: There is a

[clang] [clang] check deduction consistency when partial ordering function templates (PR #100692)

2024-10-15 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: Hello, sorry I missed your earlier notification. Your test case further reduces to: https://godbolt.org/z/q6ndebaeW ```C++ template struct Traits { using Type = Traits; }; template void FillVRegs(typename Traits::Type...); template void FillVRegs(typename Traits::Type); voi

[clang] [Clang][Sema] Use the correct injected template arguments for partial specializations when collecting multi-level template argument lists (PR #112381)

2024-10-15 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/112381 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [Clang][Sema] Use the correct injected template arguments for partial specializations when collecting multi-level template argument lists (PR #112381)

2024-10-15 Thread Matheus Izvekov via cfe-commits
@@ -2085,7 +2085,9 @@ class ClassTemplateSpecializationDecl : public CXXRecordDecl, class ClassTemplatePartialSpecializationDecl : public ClassTemplateSpecializationDecl { /// The list of template parameters - TemplateParameterList* TemplateParams = nullptr; + TemplatePa

[clang] [Clang][Sema] Use the correct injected template arguments for partial specializations when collecting multi-level template argument lists (PR #112381)

2024-10-15 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. https://github.com/llvm/llvm-project/pull/112381 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang-tools-extra] [llvm] [clang] WIP: Improved Context Declaration tracking (PR #107942)

2024-10-15 Thread Matheus Izvekov via cfe-commits
@@ -17257,8 +17258,11 @@ void Sema::PushExpressionEvaluationContext( ExpressionEvaluationContext NewContext, ReuseLambdaContextDecl_t, ExpressionEvaluationContextRecord::ExpressionKind ExprContext) { - Decl *ClosureContextDecl = ExprEvalContexts.back().ManglingContextD

[clang] [clang] Track function template instantiation from definition (PR #112241)

2024-10-14 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov created https://github.com/llvm/llvm-project/pull/112241 This fixes instantiation of definition for friend function templates, when the declaration found and the one containing the definition have different template contexts. In these cases, the the function declar

[clang] [Clang] Fix a DeclContext mismatch when parsing nested lambda parameters (PR #112177)

2024-10-14 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. https://github.com/llvm/llvm-project/pull/112177 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Remove the deprecated flag `-frelaxed-template-template-args`. (PR #111894)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov created https://github.com/llvm/llvm-project/pull/111894 This flag has been deprecated since Clang 19, having been the default since then. It has remained because its negation was still useful to work around backwards compatibility breaking changes from P0522. How

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585, #111173)" (PR #111852)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. https://github.com/llvm/llvm-project/pull/111852 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585, #111173)" (PR #111852)

2024-10-10 Thread Matheus Izvekov via cfe-commits
@@ -860,6 +860,16 @@ class RedeclarableTemplateDecl : public TemplateDecl, /// \endcode bool isMemberSpecialization() const { return Common.getInt(); } + /// Determines whether any redeclaration of this template was + /// a specialization of a member template. + bool ha

[clang] [clang] Implement TTP P0522 pack matching for deduced function template calls. (PR #111457)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/111457 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Implement TTP P0522 pack matching for deduced function template calls. (PR #111457)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/111457 >From 9ff2c1eb98baeea624afd2bd1d0fdbc365041700 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Sat, 5 Oct 2024 21:56:51 -0300 Subject: [PATCH] [clang] Implement TTP 'reversed' pack matching for deduced fu

[clang] [clang] Implement TTP P0522 pack matching for deduced function template calls. (PR #111457)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/111457 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/107350 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/107350 >From e3487474838b1393dc9e4d1b349259f300f9af7b Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Thu, 5 Sep 2024 00:25:40 -0300 Subject: [PATCH] [clang] CWG2398: improve overload resolution backwards compat

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/107350 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Reland: [clang] Finish implementation of P0522 (PR #111711)

2024-10-10 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/111711 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [libcxx] [Clang] Implement CWG2369 "Ordering between constraints and substitution" (PR #102857)

2024-10-09 Thread Matheus Izvekov via cfe-commits
@@ -1109,12 +1109,50 @@ bool Sema::EnsureTemplateArgumentListConstraints( return false; } -bool Sema::CheckInstantiatedFunctionTemplateConstraints( +static bool CheckFunctionConstraintsWithoutInstantiation( +Sema &SemaRef, SourceLocation PointOfInstantiation, +Functi

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-09 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: I am not sure I can offer a better option here. The global change seems odd, and I think it may run into other problems. One option would be to do the big hammer approach as you suggest, but then afterwards back out and then try to nail the places where the most recent declara

[clang] Reland: [clang] Finish implementation of P0522 (PR #111711)

2024-10-09 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: No difference at all. It's just that the PR which will take care of the problem is not small, so I want to keep them separate and merge them all in one go. https://github.com/llvm/llvm-project/pull/111711 ___ cfe-commits mailing list c

[clang] Revert "[clang] Track function template instantiation from definition (#110387)" (PR #111764)

2024-10-09 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: FIY you should include revert reason on the commit message/ PR description. https://github.com/llvm/llvm-project/pull/111764 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-com

[clang] Reland: [clang] Finish implementation of P0522 (PR #111711)

2024-10-09 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov created https://github.com/llvm/llvm-project/pull/111711 This finishes the clang implementation of P0522, getting rid of the fallback to the old, pre-P0522 rules. Before this patch, when partial ordering template template parameters, we would perform, in order: * I

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-09 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: FWIW https://github.com/llvm/llvm-project/commit/4336f00f2156970cc0af2816331387a0a4039317 does not really depend on this patch significantly, the same change more or less should work, you just need to adjust for the changes in the function signature. https://github.com/llvm/l

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-08 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-08 Thread Matheus Izvekov via cfe-commits
@@ -1008,6 +1008,15 @@ class FunctionTemplateDecl : public RedeclarableTemplateDecl { return getTemplatedDecl()->isThisDeclarationADefinition(); } + bool isCompatibleWithDefinition() const { +return getTemplatedDecl()->isInstantiatedFromMemberTemplate() || +

[clang] [Clang][Sema] Fix exception specification comparison for functions with different template depths (PR #111561)

2024-10-08 Thread Matheus Izvekov via cfe-commits
@@ -501,6 +519,89 @@ bool Sema::CheckEquivalentExceptionSpec( return Result; } +static const Expr *SubstituteExceptionSpecWithoutEvaluation( +Sema &S, const Sema::TemplateCompareNewDeclInfo &DeclInfo, +const Expr *ExceptionSpec) { + MultiLevelTemplateArgumentList ML

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-08 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: Now this is rebased on top of the `getTemplateInstantiationArgs` refactoring. https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-c

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-08 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/110387 >From 28e582bc3b3058aa5ba946c9eb9b3d0e989b5c28 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Sat, 28 Sep 2024 14:28:58 -0300 Subject: [PATCH] [clang] Track function template instantiation from definition

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-08 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: Yeah, I think its only user was reverted a while ago, but should be merged back eventually. https://github.com/llvm/llvm-project/pull/73 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-08 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: FYI I just realized the Final parameter is not wired up to the Collecter. It appertains to the Innermost argument. https://github.com/llvm/llvm-project/pull/73 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.l

[clang] [clang] Finish implementation of P0522 (PR #96023)

2024-10-07 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: This will be fixed by https://github.com/llvm/llvm-project/pull/111457 https://github.com/llvm/llvm-project/pull/96023 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Don't lose track of explicit specializations of member functi… (PR #111267)

2024-10-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/111267 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-07 Thread Matheus Izvekov via cfe-commits
@@ -4159,7 +4159,7 @@ FunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { if (FunctionTemplateSpecializationInfo *Info = TemplateOrSpecialization .dyn_cast()) { -return Info->getTemplate(); +return Info->getTemplate()->getMostRecentDe

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-07 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. https://github.com/llvm/llvm-project/pull/73 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Finish implementation of P0522 (PR #96023)

2024-10-07 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: Ops, somehow missed the original notification. Will look into it, thanks for the report. https://github.com/llvm/llvm-project/pull/96023 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/list

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-06 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-06 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/110387 >From 226b1bea7b287f31f4dc8d57466c8af5c6012c4e Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Sat, 28 Sep 2024 14:28:58 -0300 Subject: [PATCH] [clang] Track function template instantiation from definition

[clang] [Clang] Remove the special-casing for RequiresExprBodyDecl in BuildResolvedCallExpr() after fd87d765c0 (PR #111277)

2024-10-06 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov approved this pull request. LGTM https://github.com/llvm/llvm-project/pull/111277 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-06 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: This implements the wording I presented here: https://lists.isocpp.org/core/2024/09/16266.php This will be part of the next revision of P3310. https://github.com/llvm/llvm-project/pull/107350 ___ cfe-commits mailing list cfe-commits@li

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/110387 >From e6d3e6f1df5db1618c7302adac4b45b7aa451a34 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Sat, 28 Sep 2024 14:28:58 -0300 Subject: [PATCH] [clang] Track function template instantiation from definition

[clang] [clang] Don't lose track of explicit specializations of member functi… (PR #111267)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -4206,18 +4206,14 @@ Sema::InstantiateClassMembers(SourceLocation PointOfInstantiation, if (Function->hasAttr()) continue; -MemberSpecializationInfo *MSInfo = -Function->getMemberSpecializationInfo(); -assert(MSInfo && "No memb

[clang] [clang] Don't lose track of explicit specializations of member functi… (PR #111267)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -156,7 +156,13 @@ namespace UsesThis { auto h() -> decltype(this); // expected-error {{'this' cannot be used in a static member function declaration}} }; - template struct A; // expected-note 3{{in instantiation of}} + template struct A; // expected-note {{in insta

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -1994,8 +1995,10 @@ TemplateDeclInstantiator::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { // Link the instantiation back to the pattern *unless* this is a // non-definition friend declaration. if (!InstTemplate->getInstantiatedFromMemberTemplate() && - !

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -5185,9 +5189,24 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, RebuildTypeSourceInfoForDefaultSpecialMembers(); SetDeclDefaulted(Function, PatternDecl->getLocation()); } else { +NamedDecl *ND = Function; +std::optional> I

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -492,8 +489,10 @@ MultiLevelTemplateArgumentList Sema::getTemplateInstantiationArgs( // has a depth of 0. if (const auto *TTP = dyn_cast(CurDecl)) HandleDefaultTempArgIntoTempTempParam(TTP, Result); -CurDecl = Response::UseNextDecl(CurDecl).NextDecl; - }

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov ready_for_review https://github.com/llvm/llvm-project/pull/107350 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] CWG2398: improve overload resolution backwards compat (PR #107350)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/107350 >From 9b12c0b5a0b701984a83308273385c53ced29e41 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Thu, 5 Sep 2024 00:25:40 -0300 Subject: [PATCH] [clang] CWG2398: improve overload resolution backwards compat

[clang] [clang] Don't lose track of explicit specializations of member functi… (PR #111267)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov created https://github.com/llvm/llvm-project/pull/111267 …on templates When instantiating a class template, we would lose track of function template explicit specializations, marking them with the wrong specialization kind. This would lead to improperly using the e

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
mizvekov wrote: I pushed a new implementation for this fix. I have updated the implementation of InstantiateFunctionDefinition so that it doesn't depend anymore on having the exact function declaration instantiation which has the same template context as the definition. This avoids the more e

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Track function template instantiation from definition (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov edited https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [clang] Redeclare function templates instances per primary template (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
@@ -0,0 +1,84 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -std=c++26 %s mizvekov wrote: Yeah I think this is big enough to be on its own file. https://github.com/llvm/llvm-project/pull/110387 ___ cfe-commits mailing l

[clang] [clang] Redeclare function templates instances per primary template (PR #110387)

2024-10-05 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/110387 >From 0ac3d1a93bbfcf50ed932ff149a48755819d4da0 Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Sat, 28 Sep 2024 14:28:58 -0300 Subject: [PATCH] [clang] Track function template instantiation from definition

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-04 Thread Matheus Izvekov via cfe-commits
@@ -4159,7 +4159,7 @@ FunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { if (FunctionTemplateSpecializationInfo *Info = TemplateOrSpecialization .dyn_cast()) { -return Info->getTemplate(); +return Info->getTemplate()->getMostRecentDe

[clang] Reapply "[Clang][Sema] Refactor collection of multi-level template argument lists (#106585)" (PR #111173)

2024-10-04 Thread Matheus Izvekov via cfe-commits
@@ -4159,7 +4159,7 @@ FunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { if (FunctionTemplateSpecializationInfo *Info = TemplateOrSpecialization .dyn_cast()) { -return Info->getTemplate(); +return Info->getTemplate()->getMostRecentDe

[clang] [libcxx] [clang] Handle template argument conversions for non-pack param to pack argument (PR #110963)

2024-10-03 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov closed https://github.com/llvm/llvm-project/pull/110963 ___ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

[clang] [libcxx] [clang] Handle template argument conversions for non-pack param to pack argument (PR #110963)

2024-10-03 Thread Matheus Izvekov via cfe-commits
https://github.com/mizvekov updated https://github.com/llvm/llvm-project/pull/110963 >From e98e024104501f61e589deaeee13553d67e2a64e Mon Sep 17 00:00:00 2001 From: Matheus Izvekov Date: Thu, 3 Oct 2024 01:14:52 -0300 Subject: [PATCH] [clang] Handle template argument conversions for non-pack par

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