ChuanqiXu9 wrote:
@rjmccall @dwblaikie
Since I feel this is a bug we need to fix and I think this patch may not affect
non-modules code, I'd like to land this in the end of July (before the next
branching of 19) if no more comments came in.
https://github.com/llvm/llvm-project/pull/75912
ChuanqiXu9 wrote:
@rjmccall @dwblaikie ping
https://github.com/llvm/llvm-project/pull/75912
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ChuanqiXu9 wrote:
@rjmccall @dwblaikie ping
https://github.com/llvm/llvm-project/pull/75912
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@@ -41,9 +43,10 @@ Base::~Base() {}
// CHECK: @_ZTSW3Mod4Base = constant
// CHECK: @_ZTIW3Mod4Base = constant
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr constant
-// CHECK-INLINE: @_ZTSW3Mod4Base = linkonce_odr {{.*}}constant
-// CHECK-INLINE:
@@ -1483,10 +1483,15 @@ void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl
*D) {
if (D->isThisDeclarationADefinition())
Record.AddCXXDefinitionData(D);
- // Store (what we currently believe to be) the key function to avoid
- // deserializing every method so we can
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 7399d2417a4b758fa0a98da1f99f3b4ec0eb1046 Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH 1/3] [C++20] [Modules] [Itanium ABI] Generate the vtable in
the
@@ -1483,10 +1483,15 @@ void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl
*D) {
if (D->isThisDeclarationADefinition())
Record.AddCXXDefinitionData(D);
- // Store (what we currently believe to be) the key function to avoid
- // deserializing every method so we can
@@ -41,9 +43,10 @@ Base::~Base() {}
// CHECK: @_ZTSW3Mod4Base = constant
// CHECK: @_ZTIW3Mod4Base = constant
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr constant
-// CHECK-INLINE: @_ZTSW3Mod4Base = linkonce_odr {{.*}}constant
-// CHECK-INLINE:
https://github.com/iains commented:
I am going to defer to @rjmccall and @dwblaikie on this one (the comments so
far seem reasonable to me).
https://github.com/llvm/llvm-project/pull/75912
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@@ -60,11 +63,11 @@ int use() {
// CHECK-NOT: @_ZTSW3Mod4Base = constant
// CHECK-NOT: @_ZTIW3Mod4Base = constant
-// CHECK: @_ZTVW3Mod4Base = external unnamed_addr
+// CHECK: @_ZTVW3Mod4Base = external
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr
@@ -1483,10 +1483,15 @@ void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl
*D) {
if (D->isThisDeclarationADefinition())
Record.AddCXXDefinitionData(D);
- // Store (what we currently believe to be) the key function to avoid
- // deserializing every method so we can
@@ -41,9 +43,10 @@ Base::~Base() {}
// CHECK: @_ZTSW3Mod4Base = constant
// CHECK: @_ZTIW3Mod4Base = constant
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr constant
-// CHECK-INLINE: @_ZTSW3Mod4Base = linkonce_odr {{.*}}constant
-// CHECK-INLINE:
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 7399d2417a4b758fa0a98da1f99f3b4ec0eb1046 Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH 1/2] [C++20] [Modules] [Itanium ABI] Generate the vtable in
the
@@ -60,11 +63,11 @@ int use() {
// CHECK-NOT: @_ZTSW3Mod4Base = constant
// CHECK-NOT: @_ZTIW3Mod4Base = constant
-// CHECK: @_ZTVW3Mod4Base = external unnamed_addr
+// CHECK: @_ZTVW3Mod4Base = external
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr
@@ -41,9 +43,10 @@ Base::~Base() {}
// CHECK: @_ZTSW3Mod4Base = constant
// CHECK: @_ZTIW3Mod4Base = constant
-// CHECK-INLINE: @_ZTVW3Mod4Base = linkonce_odr {{.*}}unnamed_addr constant
-// CHECK-INLINE: @_ZTSW3Mod4Base = linkonce_odr {{.*}}constant
-// CHECK-INLINE:
@@ -1483,10 +1483,15 @@ void ASTDeclWriter::VisitCXXRecordDecl(CXXRecordDecl
*D) {
if (D->isThisDeclarationADefinition())
Record.AddCXXDefinitionData(D);
- // Store (what we currently believe to be) the key function to avoid
- // deserializing every method so we can
ChuanqiXu9 wrote:
@rjmccall @dwblaikie ping
https://github.com/llvm/llvm-project/pull/75912
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ChuanqiXu9 wrote:
@rjmccall @dwblaikie
https://github.com/llvm/llvm-project/pull/75912
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github-actions[bot] wrote:
:warning: C/C++ code formatter, clang-format found issues in your code.
:warning:
You can test this locally with the following command:
``bash
git-clang-format --diff 7a3b0cbb143d02b70b2bfae5cd40e9867c124748
630e59738990c3dd570065b8b7a050d822d68df0 --
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 7a5c4ccd37b263a4d3d01df16591b576a64e839f Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH] [C++20] [Modules] [Itanium ABI] Generate the vtable in the
@@ -1046,6 +1046,15 @@ CodeGenModule::getVTableLinkage(const CXXRecordDecl *RD)
{
if (!RD->isExternallyVisible())
return llvm::GlobalVariable::InternalLinkage;
+ // Previously we'll decide the linkage of the vtable by the linkage
+ // of the key function. But within
@@ -1801,6 +1801,12 @@ void ItaniumCXXABI::emitVTableDefinitions(CodeGenVTables
,
if (VTable->hasInitializer())
return;
+ // If the class are attached to a C++ named module other than the one
ChuanqiXu9 wrote:
Done
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 630e59738990c3dd570065b8b7a050d822d68df0 Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH] [C++20] [Modules] [Itanium ABI] Generate the vtable in the
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -1801,6 +1801,12 @@ void ItaniumCXXABI::emitVTableDefinitions(CodeGenVTables
,
if (VTable->hasInitializer())
return;
+ // If the class are attached to a C++ named module other than the one
rjmccall wrote:
```suggestion
// If the class is
@@ -1046,6 +1046,15 @@ CodeGenModule::getVTableLinkage(const CXXRecordDecl *RD)
{
if (!RD->isExternallyVisible())
return llvm::GlobalVariable::InternalLinkage;
+ // Previously we'll decide the linkage of the vtable by the linkage
+ // of the key function. But within
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
ChuanqiXu9 wrote:
@dwblaikie @rjmccall ping~
https://github.com/llvm/llvm-project/pull/75912
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@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 908a0287e092ce7ac1865de32370ec3114b104ad Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH] [C++20] [Modules] [Itanium ABI] Generate the vtable in the
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
@@ -0,0 +1,50 @@
+// REQUIRES: !system-windows
+
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: cd %t
+//
+// RUN: %clang_cc1 -std=c++20 %t/layer1.cppm -triple %itanium_abi_triple \
+// RUN: -emit-module-interface -o %t/foo-layer1.pcm
+// RUN: %clang_cc1 -std=c++20
https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/75912
>From 64296827cbba26fba0b5c0d2a6edfd966394cabc Mon Sep 17 00:00:00 2001
From: Chuanqi Xu
Date: Tue, 19 Dec 2023 17:00:59 +0800
Subject: [PATCH] [C++20] [Modules] [Itanium ABI] Generate the vtable in the
llvmbot wrote:
@llvm/pr-subscribers-clang-modules
Author: Chuanqi Xu (ChuanqiXu9)
Changes
Close https://github.com/llvm/llvm-project/issues/70585 and reflect
https://github.com/itanium-cxx-abi/cxx-abi/issues/170.
The significant change of the patch is: for dynamic classes attached to
https://github.com/ChuanqiXu9 created
https://github.com/llvm/llvm-project/pull/75912
Close https://github.com/llvm/llvm-project/issues/70585 and reflect
https://github.com/itanium-cxx-abi/cxx-abi/issues/170.
The significant change of the patch is: for dynamic classes attached to module
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