[clang] [llvm] Enable running ClangReplInterpreterTests in an Emscripten environment (PR #150977)
via cfe-commits
cfe-commits at lists.llvm.org
Thu Aug 14 00:56:53 PDT 2025
https://github.com/mcbarton updated https://github.com/llvm/llvm-project/pull/150977
>From 43da46e79877361fce099ccbcf84745493c8cfa5 Mon Sep 17 00:00:00 2001
From: mcbarton <150042563+mcbarton at users.noreply.github.com>
Date: Mon, 28 Jul 2025 16:33:29 +0100
Subject: [PATCH 1/7] Enable running ClangReplInterpreterTests in an
Emscripten environment
---
clang/unittests/Interpreter/CMakeLists.txt | 59 +++++++++++++++----
.../Interpreter/CodeCompletionTest.cpp | 2 +
.../IncrementalCompilerBuilderTest.cpp | 3 +
.../Interpreter/InterpreterExtensionsTest.cpp | 3 +-
.../unittests/Interpreter/InterpreterTest.cpp | 9 +++
.../Interpreter/InterpreterTestFixture.h | 2 +
llvm/cmake/modules/AddLLVM.cmake | 4 +-
7 files changed, 68 insertions(+), 14 deletions(-)
diff --git a/clang/unittests/Interpreter/CMakeLists.txt b/clang/unittests/Interpreter/CMakeLists.txt
index 1dda9024075a1..347eb4b639ef3 100644
--- a/clang/unittests/Interpreter/CMakeLists.txt
+++ b/clang/unittests/Interpreter/CMakeLists.txt
@@ -1,3 +1,34 @@
+if(EMSCRIPTEN)
+set(LLVM_COMPONENTS_TO_LINK
+ ""
+ )
+set(LLVM_LIBS_TO_LINK
+ ""
+ )
+set(CLANG_LIBS_TO_LINK
+ clangInterpreter
+ )
+else()
+set(LLVM_COMPONENTS_TO_LINK
+ ${LLVM_TARGETS_TO_BUILD}
+ Core
+ MC
+ OrcJIT
+ Support
+ TargetParser
+ )
+set(LLVM_LIBS_TO_LINK
+ LLVMTestingSupport
+ )
+set(CLANG_LIBS_TO_LINK
+ clangAST
+ clangBasic
+ clangInterpreter
+ clangFrontend
+ clangSema
+ )
+endif()
+
add_distinct_clang_unittest(ClangReplInterpreterTests
IncrementalCompilerBuilderTest.cpp
IncrementalProcessingTest.cpp
@@ -8,24 +39,28 @@ add_distinct_clang_unittest(ClangReplInterpreterTests
EXPORT_SYMBOLS
CLANG_LIBS
- clangAST
- clangBasic
- clangInterpreter
- clangFrontend
- clangSema
+ ${CLANG_LIBS_TO_LINK}
LINK_LIBS
- LLVMTestingSupport
+ ${LLVM_LIBS_TO_LINK}
LLVM_COMPONENTS
- ${LLVM_TARGETS_TO_BUILD}
- Core
- MC
- OrcJIT
- Support
- TargetParser
+ ${LLVM_COMPONENTS_TO_LINK}
)
+if(EMSCRIPTEN)
+target_link_options(ClangReplInterpreterTests
+ PUBLIC "SHELL: -s MAIN_MODULE=1"
+ PUBLIC "SHELL: -s ALLOW_MEMORY_GROWTH=1"
+ PUBLIC "SHELL: -s STACK_SIZE=32mb"
+ PUBLIC "SHELL: -s INITIAL_MEMORY=128mb"
+ PUBLIC "SHELL: --emrun"
+)
+set_target_properties(ClangReplInterpreterTests PROPERTIES
+ SUFFIX ".html"
+)
+endif()
+
# Exceptions on Windows are not yet supported.
if(NOT WIN32)
add_subdirectory(ExceptionTests)
diff --git a/clang/unittests/Interpreter/CodeCompletionTest.cpp b/clang/unittests/Interpreter/CodeCompletionTest.cpp
index 23cfc469695d2..813a7d1429251 100644
--- a/clang/unittests/Interpreter/CodeCompletionTest.cpp
+++ b/clang/unittests/Interpreter/CodeCompletionTest.cpp
@@ -29,8 +29,10 @@ class CodeCompletionTest : public InterpreterTestBase {
std::unique_ptr<clang::Interpreter> Interp;
void SetUp() override {
+#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
+#endif
std::unique_ptr<CompilerInstance> CI = cantFail(CB.CreateCpp());
this->Interp = cantFail(clang::Interpreter::create(std::move(CI)));
}
diff --git a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
index c4a40071f55cf..b67a1f01be4b6 100644
--- a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
+++ b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
@@ -37,6 +37,9 @@ TEST(IncrementalCompilerBuilder, SetCompilerArgs) {
}
TEST(IncrementalCompilerBuilder, SetTargetTriple) {
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
auto CB = clang::IncrementalCompilerBuilder();
CB.SetTargetTriple("armv6-none-eabi");
auto CI = cantFail(CB.CreateCpp());
diff --git a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
index 1c27cfb2c48fa..7c66e56160e38 100644
--- a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
@@ -75,9 +75,10 @@ struct OutOfProcInterpreter : public Interpreter {
};
TEST_F(InterpreterExtensionsTest, FindRuntimeInterface) {
+#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
-
+#endif
clang::IncrementalCompilerBuilder CB;
llvm::Error ErrOut = llvm::Error::success();
auto CI = cantFail(CB.CreateCpp());
diff --git a/clang/unittests/Interpreter/InterpreterTest.cpp b/clang/unittests/Interpreter/InterpreterTest.cpp
index 768058b954d49..52d2b83fdb36f 100644
--- a/clang/unittests/Interpreter/InterpreterTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterTest.cpp
@@ -147,6 +147,9 @@ TEST_F(InterpreterTest, DeclsAndStatements) {
}
TEST_F(InterpreterTest, UndoCommand) {
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
Args ExtraArgs = {"-Xclang", "-diagnostic-log-file", "-Xclang", "-"};
// Create the diagnostic engine with unowned consumer.
@@ -256,6 +259,9 @@ static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
}
TEST_F(InterpreterTest, InstantiateTemplate) {
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
// FIXME: We cannot yet handle delayed template parsing. If we run with
// -fdelayed-template-parsing we try adding the newly created decl to the
// active PTU which causes an assert.
@@ -295,6 +301,9 @@ TEST_F(InterpreterTest, InstantiateTemplate) {
}
TEST_F(InterpreterTest, Value) {
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
std::vector<const char *> Args = {"-fno-sized-deallocation"};
std::unique_ptr<Interpreter> Interp = createInterpreter(Args);
diff --git a/clang/unittests/Interpreter/InterpreterTestFixture.h b/clang/unittests/Interpreter/InterpreterTestFixture.h
index 113599ff98894..8d11c835374bd 100644
--- a/clang/unittests/Interpreter/InterpreterTestFixture.h
+++ b/clang/unittests/Interpreter/InterpreterTestFixture.h
@@ -38,8 +38,10 @@ class InterpreterTestBase : public ::testing::Test {
}
void SetUp() override {
+#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
+#endif
}
void TearDown() override {}
diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index 83772ed8d2b13..40614d2b47868 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -1764,7 +1764,9 @@ function(add_unittest test_suite test_name)
set(LLVM_REQUIRES_RTTI OFF)
endif()
- list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream
+ if(NOT EMSCRIPTEN)
+ list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream
+ endif()
add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN})
get_subproject_title(subproject_title)
set_target_properties(${test_name} PROPERTIES FOLDER "${subproject_title}/Tests/Unit")
>From 92d02e182ce189530b20142250687baa98bc8655 Mon Sep 17 00:00:00 2001
From: mcbarton <matthew.c.barton at hotmail.co.uk>
Date: Fri, 8 Aug 2025 14:53:06 +0100
Subject: [PATCH 2/7] Fix CMakeLists.txt with endif()
---
clang/unittests/Interpreter/CMakeLists.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/clang/unittests/Interpreter/CMakeLists.txt b/clang/unittests/Interpreter/CMakeLists.txt
index bca9b30e63a72..f33071c59a0e4 100644
--- a/clang/unittests/Interpreter/CMakeLists.txt
+++ b/clang/unittests/Interpreter/CMakeLists.txt
@@ -71,6 +71,7 @@ target_link_options(ClangReplInterpreterTests
set_target_properties(ClangReplInterpreterTests PROPERTIES
SUFFIX ".html"
)
+endif()
if(TARGET compiler-rt)
add_dependencies(ClangReplInterpreterTests
>From 8e6d526c2ced7b634926c325202cfa814acf460e Mon Sep 17 00:00:00 2001
From: mcbarton <150042563+mcbarton at users.noreply.github.com>
Date: Wed, 13 Aug 2025 10:57:27 +0100
Subject: [PATCH 3/7] Remove LLVMSupport through properties of
ClangReplInterpreterTests instead of AddLLVM.cmake modification
---
clang/unittests/Interpreter/CMakeLists.txt | 5 +++++
llvm/cmake/modules/AddLLVM.cmake | 4 +---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/clang/unittests/Interpreter/CMakeLists.txt b/clang/unittests/Interpreter/CMakeLists.txt
index 347eb4b639ef3..b6825f9461ad7 100644
--- a/clang/unittests/Interpreter/CMakeLists.txt
+++ b/clang/unittests/Interpreter/CMakeLists.txt
@@ -49,6 +49,11 @@ add_distinct_clang_unittest(ClangReplInterpreterTests
)
if(EMSCRIPTEN)
+# Without the above you try to link to LLVMSupport twice, and end
+# up with a duplicate symbol error when creating the main module
+get_target_property(LINKED_LIBS ClangReplInterpreterTests LINK_LIBRARIES)
+list(REMOVE_ITEM LINKED_LIBS LLVMSupport)
+set_target_properties(ClangReplInterpreterTests PROPERTIES LINK_LIBRARIES "${LINKED_LIBS}")
target_link_options(ClangReplInterpreterTests
PUBLIC "SHELL: -s MAIN_MODULE=1"
PUBLIC "SHELL: -s ALLOW_MEMORY_GROWTH=1"
diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
index 40614d2b47868..83772ed8d2b13 100644
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -1764,9 +1764,7 @@ function(add_unittest test_suite test_name)
set(LLVM_REQUIRES_RTTI OFF)
endif()
- if(NOT EMSCRIPTEN)
- list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream
- endif()
+ list(APPEND LLVM_LINK_COMPONENTS Support) # gtest needs it for raw_ostream
add_llvm_executable(${test_name} IGNORE_EXTERNALIZE_DEBUGINFO NO_INSTALL_RPATH ${ARGN})
get_subproject_title(subproject_title)
set_target_properties(${test_name} PROPERTIES FOLDER "${subproject_title}/Tests/Unit")
>From 8779794e25eccb9aec071eb75ed934f0de694c5f Mon Sep 17 00:00:00 2001
From: mcbarton <matthew.c.barton at hotmail.co.uk>
Date: Wed, 13 Aug 2025 19:29:44 +0100
Subject: [PATCH 4/7] Enable InterpreterTestInstantiateTemplate Emscripten
build
---
clang/unittests/Interpreter/InterpreterTest.cpp | 3 ---
1 file changed, 3 deletions(-)
diff --git a/clang/unittests/Interpreter/InterpreterTest.cpp b/clang/unittests/Interpreter/InterpreterTest.cpp
index 52d2b83fdb36f..2b6d6dbbe30d8 100644
--- a/clang/unittests/Interpreter/InterpreterTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterTest.cpp
@@ -259,9 +259,6 @@ static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
}
TEST_F(InterpreterTest, InstantiateTemplate) {
-#ifdef __EMSCRIPTEN__
- GTEST_SKIP() << "Test fails for Emscipten builds";
-#endif
// FIXME: We cannot yet handle delayed template parsing. If we run with
// -fdelayed-template-parsing we try adding the newly created decl to the
// active PTU which causes an assert.
>From 97fee89d4de04ca3dc220d01838dc17ee4272c59 Mon Sep 17 00:00:00 2001
From: mcbarton <150042563+mcbarton at users.noreply.github.com>
Date: Wed, 13 Aug 2025 23:18:47 +0100
Subject: [PATCH 5/7] Disable InterpreterTestInstantiateTemplate Emscripten
build for PR as failing again after merging main into PR
---
clang/unittests/Interpreter/InterpreterTest.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/clang/unittests/Interpreter/InterpreterTest.cpp b/clang/unittests/Interpreter/InterpreterTest.cpp
index 2b6d6dbbe30d8..52d2b83fdb36f 100644
--- a/clang/unittests/Interpreter/InterpreterTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterTest.cpp
@@ -259,6 +259,9 @@ static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
}
TEST_F(InterpreterTest, InstantiateTemplate) {
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
// FIXME: We cannot yet handle delayed template parsing. If we run with
// -fdelayed-template-parsing we try adding the newly created decl to the
// active PTU which causes an assert.
>From 77f954e1f06ac1d9043d862c9d22a77a6bd56050 Mon Sep 17 00:00:00 2001
From: mcbarton <matthew.c.barton at hotmail.co.uk>
Date: Thu, 14 Aug 2025 08:19:56 +0100
Subject: [PATCH 6/7] Add fixmes
---
clang/unittests/Interpreter/CodeCompletionTest.cpp | 4 ++++
.../Interpreter/IncrementalCompilerBuilderTest.cpp | 4 ++++
.../Interpreter/InterpreterExtensionsTest.cpp | 4 ++++
clang/unittests/Interpreter/InterpreterTest.cpp | 12 ++++++++++++
clang/unittests/Interpreter/InterpreterTestFixture.h | 4 ++++
5 files changed, 28 insertions(+)
diff --git a/clang/unittests/Interpreter/CodeCompletionTest.cpp b/clang/unittests/Interpreter/CodeCompletionTest.cpp
index 813a7d1429251..1726b06be9e73 100644
--- a/clang/unittests/Interpreter/CodeCompletionTest.cpp
+++ b/clang/unittests/Interpreter/CodeCompletionTest.cpp
@@ -29,6 +29,10 @@ class CodeCompletionTest : public InterpreterTestBase {
std::unique_ptr<clang::Interpreter> Interp;
void SetUp() override {
+#FIXME : WebAssembly doesn't currently support Jit (see
+#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+#so this check of HostSupportsJIT has been skipped
+#over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
diff --git a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
index b67a1f01be4b6..e3aeff367ef51 100644
--- a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
+++ b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
@@ -37,6 +37,10 @@ TEST(IncrementalCompilerBuilder, SetCompilerArgs) {
}
TEST(IncrementalCompilerBuilder, SetTargetTriple) {
+#FIXME : This test doesn't current work for Emscripten builds.
+#It should be possible to make it work.For details on how it fails and
+#the current progress to enable this test see
+#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
diff --git a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
index 7c66e56160e38..3945b40464a5a 100644
--- a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
@@ -75,6 +75,10 @@ struct OutOfProcInterpreter : public Interpreter {
};
TEST_F(InterpreterExtensionsTest, FindRuntimeInterface) {
+#FIXME : WebAssembly doesn't currently support Jit (see
+#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+#so this check of HostSupportsJIT has been skipped
+#over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
diff --git a/clang/unittests/Interpreter/InterpreterTest.cpp b/clang/unittests/Interpreter/InterpreterTest.cpp
index 52d2b83fdb36f..c877b6bf0a450 100644
--- a/clang/unittests/Interpreter/InterpreterTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterTest.cpp
@@ -147,6 +147,10 @@ TEST_F(InterpreterTest, DeclsAndStatements) {
}
TEST_F(InterpreterTest, UndoCommand) {
+#FIXME : This test doesn't current work for Emscripten builds.
+#It should be possible to make it work.For details on how it fails and
+#the current progress to enable this test see
+#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
@@ -259,6 +263,10 @@ static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
}
TEST_F(InterpreterTest, InstantiateTemplate) {
+#FIXME : This test doesn't current work for Emscripten builds.
+#It should be possible to make it work.For details on how it fails and
+#the current progress to enable this test see
+#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
@@ -301,6 +309,10 @@ TEST_F(InterpreterTest, InstantiateTemplate) {
}
TEST_F(InterpreterTest, Value) {
+#FIXME : This test doesn't current work for Emscripten builds.
+#It should be possible to make it work.For details on how it fails and
+#the current progress to enable this test see
+#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
diff --git a/clang/unittests/Interpreter/InterpreterTestFixture.h b/clang/unittests/Interpreter/InterpreterTestFixture.h
index 8d11c835374bd..2708c556761f6 100644
--- a/clang/unittests/Interpreter/InterpreterTestFixture.h
+++ b/clang/unittests/Interpreter/InterpreterTestFixture.h
@@ -38,6 +38,10 @@ class InterpreterTestBase : public ::testing::Test {
}
void SetUp() override {
+#FIXME : WebAssembly doesn't currently support Jit (see
+#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+#so this check of HostSupportsJIT has been skipped
+#over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
>From e08f20b7bc2aa161768c52563afc3c379c3f740f Mon Sep 17 00:00:00 2001
From: mcbarton <150042563+mcbarton at users.noreply.github.com>
Date: Thu, 14 Aug 2025 08:55:59 +0100
Subject: [PATCH 7/7] Fix comments
---
.../Interpreter/CodeCompletionTest.cpp | 8 +-
.../IncrementalCompilerBuilderTest.cpp | 9 +-
.../Interpreter/InterpreterExtensionsTest.cpp | 8 +-
.../unittests/Interpreter/InterpreterTest.cpp | 227 +++++++++++++++++-
.../Interpreter/InterpreterTestFixture.h | 8 +-
5 files changed, 232 insertions(+), 28 deletions(-)
diff --git a/clang/unittests/Interpreter/CodeCompletionTest.cpp b/clang/unittests/Interpreter/CodeCompletionTest.cpp
index 1726b06be9e73..ceb683497ac74 100644
--- a/clang/unittests/Interpreter/CodeCompletionTest.cpp
+++ b/clang/unittests/Interpreter/CodeCompletionTest.cpp
@@ -29,10 +29,10 @@ class CodeCompletionTest : public InterpreterTestBase {
std::unique_ptr<clang::Interpreter> Interp;
void SetUp() override {
-#FIXME : WebAssembly doesn't currently support Jit (see
-#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
-#so this check of HostSupportsJIT has been skipped
-#over until support is added, and HostSupportsJIT can return true.
+// FIXME : WebAssembly doesn't currently support Jit (see
+// https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+// so this check of HostSupportsJIT has been skipped
+// over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
diff --git a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
index e3aeff367ef51..7b4633bfc9e7a 100644
--- a/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
+++ b/clang/unittests/Interpreter/IncrementalCompilerBuilderTest.cpp
@@ -37,10 +37,11 @@ TEST(IncrementalCompilerBuilder, SetCompilerArgs) {
}
TEST(IncrementalCompilerBuilder, SetTargetTriple) {
-#FIXME : This test doesn't current work for Emscripten builds.
-#It should be possible to make it work.For details on how it fails and
-#the current progress to enable this test see
-#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
diff --git a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
index 3945b40464a5a..f50f6e320776d 100644
--- a/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterExtensionsTest.cpp
@@ -75,10 +75,10 @@ struct OutOfProcInterpreter : public Interpreter {
};
TEST_F(InterpreterExtensionsTest, FindRuntimeInterface) {
-#FIXME : WebAssembly doesn't currently support Jit (see
-#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
-#so this check of HostSupportsJIT has been skipped
-#over until support is added, and HostSupportsJIT can return true.
+// FIXME : WebAssembly doesn't currently support Jit (see
+// https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+// so this check of HostSupportsJIT has been skipped
+// over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
diff --git a/clang/unittests/Interpreter/InterpreterTest.cpp b/clang/unittests/Interpreter/InterpreterTest.cpp
index c877b6bf0a450..307b1ac40d4e7 100644
--- a/clang/unittests/Interpreter/InterpreterTest.cpp
+++ b/clang/unittests/Interpreter/InterpreterTest.cpp
@@ -147,10 +147,11 @@ TEST_F(InterpreterTest, DeclsAndStatements) {
}
TEST_F(InterpreterTest, UndoCommand) {
-#FIXME : This test doesn't current work for Emscripten builds.
-#It should be possible to make it work.For details on how it fails and
-#the current progress to enable this test see
-#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
@@ -263,10 +264,11 @@ static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
}
TEST_F(InterpreterTest, InstantiateTemplate) {
-#FIXME : This test doesn't current work for Emscripten builds.
-#It should be possible to make it work.For details on how it fails and
-#the current progress to enable this test see
-#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
@@ -309,10 +311,211 @@ TEST_F(InterpreterTest, InstantiateTemplate) {
}
TEST_F(InterpreterTest, Value) {
-#FIXME : This test doesn't current work for Emscripten builds.
-#It should be possible to make it work.For details on how it fails and
-#the current progress to enable this test see
-#the following Github issue https: // github.com/llvm/llvm-project/issues/153461
+ // FIXME : This test doesn't current work for Emscripten builds.
+ // It should be possible to make it work.For details on how it fails and
+ // the current progress to enable this test see
+ // the following Github issue https: //
+ // github.com/llvm/llvm-project/issues/153461
+ ECT_TRUE(!!RecoverErr);
+}
+
+// Here we test whether the user can mix declarations and statements. The
+// interpreter should be smart enough to recognize the declarations from the
+// statements and wrap the latter into a declaration, producing valid code.
+
+TEST_F(InterpreterTest, DeclsAndStatements) {
+ Args ExtraArgs = {"-Xclang", "-diagnostic-log-file", "-Xclang", "-"};
+
+ // Create the diagnostic engine with unowned consumer.
+ std::string DiagnosticOutput;
+ llvm::raw_string_ostream DiagnosticsOS(DiagnosticOutput);
+ DiagnosticOptions DiagOpts;
+ auto DiagPrinter =
+ std::make_unique<TextDiagnosticPrinter>(DiagnosticsOS, DiagOpts);
+
+ auto Interp = createInterpreter(ExtraArgs, DiagPrinter.get());
+ auto R1 = Interp->Parse(
+ "int var1 = 42; extern \"C\" int printf(const char*, ...);");
+ // gtest doesn't expand into explicit bool conversions.
+ EXPECT_TRUE(!!R1);
+
+ auto *PTU1 = R1->TUPart;
+ EXPECT_EQ(2U, DeclsSize(PTU1));
+
+ auto R2 = Interp->Parse("var1++; printf(\"var1 value %d\\n\", var1);");
+ EXPECT_TRUE(!!R2);
+}
+
+TEST_F(InterpreterTest, UndoCommand) {
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
+ Args ExtraArgs = {"-Xclang", "-diagnostic-log-file", "-Xclang", "-"};
+
+ // Create the diagnostic engine with unowned consumer.
+ std::string DiagnosticOutput;
+ llvm::raw_string_ostream DiagnosticsOS(DiagnosticOutput);
+ DiagnosticOptions DiagOpts;
+ auto DiagPrinter =
+ std::make_unique<TextDiagnosticPrinter>(DiagnosticsOS, DiagOpts);
+
+ auto Interp = createInterpreter(ExtraArgs, DiagPrinter.get());
+
+ // Fail to undo.
+ auto Err1 = Interp->Undo();
+ EXPECT_EQ("Operation failed. No input left to undo",
+ llvm::toString(std::move(Err1)));
+ auto Err2 = Interp->Parse("int foo = 42;");
+ EXPECT_TRUE(!!Err2);
+ auto Err3 = Interp->Undo(2);
+ EXPECT_EQ("Operation failed. Wanted to undo 2 inputs, only have 1.",
+ llvm::toString(std::move(Err3)));
+
+ // Succeed to undo.
+ auto Err4 = Interp->Parse("int x = 42;");
+ EXPECT_TRUE(!!Err4);
+ auto Err5 = Interp->Undo();
+ EXPECT_FALSE(Err5);
+ auto Err6 = Interp->Parse("int x = 24;");
+ EXPECT_TRUE(!!Err6);
+ auto Err7 = Interp->Parse("#define X 42");
+ EXPECT_TRUE(!!Err7);
+ auto Err8 = Interp->Undo();
+ EXPECT_FALSE(Err8);
+ auto Err9 = Interp->Parse("#define X 24");
+ EXPECT_TRUE(!!Err9);
+
+ // Undo input contains errors.
+ auto Err10 = Interp->Parse("int y = ;");
+ EXPECT_FALSE(!!Err10);
+ EXPECT_EQ("Parsing failed.", llvm::toString(Err10.takeError()));
+ auto Err11 = Interp->Parse("int y = 42;");
+ EXPECT_TRUE(!!Err11);
+ auto Err12 = Interp->Undo();
+ EXPECT_FALSE(Err12);
+}
+
+static std::string MangleName(NamedDecl *ND) {
+ ASTContext &C = ND->getASTContext();
+ std::unique_ptr<MangleContext> MangleC(C.createMangleContext());
+ std::string mangledName;
+ llvm::raw_string_ostream RawStr(mangledName);
+ MangleC->mangleName(ND, RawStr);
+ return mangledName;
+}
+
+TEST_F(InterpreterTest, FindMangledNameSymbol) {
+ std::unique_ptr<Interpreter> Interp = createInterpreter();
+
+ auto &PTU(cantFail(Interp->Parse("int f(const char*) {return 0;}")));
+ EXPECT_EQ(1U, DeclsSize(PTU.TUPart));
+ auto R1DeclRange = PTU.TUPart->decls();
+
+ NamedDecl *FD = cast<FunctionDecl>(*R1DeclRange.begin());
+ // Lower the PTU
+ if (llvm::Error Err = Interp->Execute(PTU)) {
+ // We cannot execute on the platform.
+ consumeError(std::move(Err));
+ return;
+ }
+
+ std::string MangledName = MangleName(FD);
+ auto Addr = Interp->getSymbolAddress(MangledName);
+ EXPECT_FALSE(!Addr);
+ EXPECT_NE(0U, Addr->getValue());
+ GlobalDecl GD(FD);
+ EXPECT_EQ(*Addr, cantFail(Interp->getSymbolAddress(GD)));
+ cantFail(
+ Interp->ParseAndExecute("extern \"C\" int printf(const char*,...);"));
+ Addr = Interp->getSymbolAddress("printf");
+ EXPECT_FALSE(!Addr);
+
+ // FIXME: Re-enable when we investigate the way we handle dllimports on Win.
+#ifndef _WIN32
+ EXPECT_EQ((uintptr_t)&printf, Addr->getValue());
+#endif // _WIN32
+}
+
+static Value AllocateObject(TypeDecl *TD, Interpreter &Interp) {
+ std::string Name = TD->getQualifiedNameAsString();
+ Value Addr;
+ // FIXME: Consider providing an option in clang::Value to take ownership of
+ // the memory created from the interpreter.
+ // cantFail(Interp.ParseAndExecute("new " + Name + "()", &Addr));
+
+ // The lifetime of the temporary is extended by the clang::Value.
+ cantFail(Interp.ParseAndExecute(Name + "()", &Addr));
+ return Addr;
+}
+
+static NamedDecl *LookupSingleName(Interpreter &Interp, const char *Name) {
+ Sema &SemaRef = Interp.getCompilerInstance()->getSema();
+ ASTContext &C = SemaRef.getASTContext();
+ DeclarationName DeclName = &C.Idents.get(Name);
+ LookupResult R(SemaRef, DeclName, SourceLocation(), Sema::LookupOrdinaryName);
+ SemaRef.LookupName(R, SemaRef.TUScope);
+ assert(!R.empty());
+ return R.getFoundDecl();
+}
+
+TEST_F(InterpreterTest, InstantiateTemplate) {
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
+#ifdef __EMSCRIPTEN__
+ GTEST_SKIP() << "Test fails for Emscipten builds";
+#endif
+ // FIXME: We cannot yet handle delayed template parsing. If we run with
+ // -fdelayed-template-parsing we try adding the newly created decl to the
+ // active PTU which causes an assert.
+ std::vector<const char *> Args = {"-fno-delayed-template-parsing"};
+ std::unique_ptr<Interpreter> Interp = createInterpreter(Args);
+
+ llvm::cantFail(Interp->Parse("extern \"C\" int printf(const char*,...);"
+ "class A {};"
+ "struct B {"
+ " template<typename T>"
+ " static int callme(T) { return 42; }"
+ "};"));
+ auto &PTU = llvm::cantFail(Interp->Parse("auto _t = &B::callme<A*>;"));
+ auto PTUDeclRange = PTU.TUPart->decls();
+ EXPECT_EQ(1, std::distance(PTUDeclRange.begin(), PTUDeclRange.end()));
+
+ // Lower the PTU
+ if (llvm::Error Err = Interp->Execute(PTU)) {
+ // We cannot execute on the platform.
+ consumeError(std::move(Err));
+ return;
+ }
+
+ TypeDecl *TD = cast<TypeDecl>(LookupSingleName(*Interp, "A"));
+ Value NewA = AllocateObject(TD, *Interp);
+
+ // Find back the template specialization
+ VarDecl *VD = static_cast<VarDecl *>(*PTUDeclRange.begin());
+ UnaryOperator *UO = llvm::cast<UnaryOperator>(VD->getInit());
+ NamedDecl *TmpltSpec = llvm::cast<DeclRefExpr>(UO->getSubExpr())->getDecl();
+
+ std::string MangledName = MangleName(TmpltSpec);
+ typedef int (*TemplateSpecFn)(void *);
+ auto fn =
+ cantFail(Interp->getSymbolAddress(MangledName)).toPtr<TemplateSpecFn>();
+ EXPECT_EQ(42, fn(NewA.getPtr()));
+}
+
+TEST_F(InterpreterTest, Value) {
+// FIXME : This test doesn't current work for Emscripten builds.
+// It should be possible to make it work.For details on how it fails and
+// the current progress to enable this test see
+// the following Github issue https: //
+// github.com/llvm/llvm-project/issues/153461
#ifdef __EMSCRIPTEN__
GTEST_SKIP() << "Test fails for Emscipten builds";
#endif
diff --git a/clang/unittests/Interpreter/InterpreterTestFixture.h b/clang/unittests/Interpreter/InterpreterTestFixture.h
index 2708c556761f6..b088fa4a5f896 100644
--- a/clang/unittests/Interpreter/InterpreterTestFixture.h
+++ b/clang/unittests/Interpreter/InterpreterTestFixture.h
@@ -38,10 +38,10 @@ class InterpreterTestBase : public ::testing::Test {
}
void SetUp() override {
-#FIXME : WebAssembly doesn't currently support Jit (see
-#https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
-#so this check of HostSupportsJIT has been skipped
-#over until support is added, and HostSupportsJIT can return true.
+// FIXME : WebAssembly doesn't currently support Jit (see
+// https: // github.com/llvm/llvm-project/pull/150977#discussion_r2237521095).
+// so this check of HostSupportsJIT has been skipped
+// over until support is added, and HostSupportsJIT can return true.
#ifndef __EMSCRIPTEN__
if (!HostSupportsJIT())
GTEST_SKIP();
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