https://github.com/ChuanqiXu9 updated
https://github.com/llvm/llvm-project/pull/115416
>From 168d155cf6662b5db8cd4f84a51633581d8a545e Mon Sep 17 00:00:00 2001
From: Chuanqi Xu <yedeng...@linux.alibaba.com>
Date: Fri, 8 Nov 2024 10:56:44 +0800
Subject: [PATCH] [Serialization] Downgrade inconsistent flags from erros to
warnings
---
clang/docs/ReleaseNotes.rst | 2 +
clang/include/clang/Basic/DiagnosticGroups.td | 1 +
.../Basic/DiagnosticSerializationKinds.td | 10 ++--
clang/lib/Serialization/ASTReader.cpp | 39 +++++--------
.../Modules/explicit-build-missing-files.cpp | 2 +-
clang/test/Modules/load_failure.c | 6 +-
clang/test/Modules/mismatch-diagnostics.cpp | 56 +++++++++++++------
clang/test/Modules/module-feature.m | 6 +-
clang/test/Modules/pr62359.cppm | 9 ++-
.../test/Modules/prebuilt-implicit-modules.m | 2 +-
clang/test/PCH/arc.m | 6 +-
clang/test/PCH/no-validate-pch.cl | 2 +-
clang/test/PCH/pch-dir.c | 10 ++--
13 files changed, 86 insertions(+), 65 deletions(-)
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 6c40e48e2f49b3..30ae869d70c0fb 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -590,6 +590,8 @@ Improvements to Clang's diagnostics
- Fixed a false negative ``-Wunused-private-field`` diagnostic when a
defaulted comparison operator is defined out of class (#GH116961).
+- Clang now downgrades the inconsistent language options between modules to
warnings instead of errors.
+
Improvements to Clang's time-trace
----------------------------------
diff --git a/clang/include/clang/Basic/DiagnosticGroups.td
b/clang/include/clang/Basic/DiagnosticGroups.td
index df9bf94b5d0398..287efb38bf176e 100644
--- a/clang/include/clang/Basic/DiagnosticGroups.td
+++ b/clang/include/clang/Basic/DiagnosticGroups.td
@@ -557,6 +557,7 @@ def ModuleLock : DiagGroup<"module-lock">;
def ModuleBuild : DiagGroup<"module-build">;
def ModuleImport : DiagGroup<"module-import">;
def ModuleConflict : DiagGroup<"module-conflict">;
+def ModuleMismatchedOption : DiagGroup<"module-mismatched-option">;
def ModuleFileExtension : DiagGroup<"module-file-extension">;
def ModuleIncludeDirectiveTranslation :
DiagGroup<"module-include-translation">;
def RoundTripCC1Args : DiagGroup<"round-trip-cc1-args">;
diff --git a/clang/include/clang/Basic/DiagnosticSerializationKinds.td
b/clang/include/clang/Basic/DiagnosticSerializationKinds.td
index 3914d3930bec79..4e1aff20617963 100644
--- a/clang/include/clang/Basic/DiagnosticSerializationKinds.td
+++ b/clang/include/clang/Basic/DiagnosticSerializationKinds.td
@@ -36,10 +36,12 @@ def err_ast_file_targetopt_feature_mismatch : Error<
"%select{AST file '%1' was|current translation unit is}0 compiled with the
target "
"feature '%2' but the %select{current translation unit is|AST file '%1'
was}0 "
"not">;
-def err_ast_file_langopt_mismatch : Error<"%0 was %select{disabled|enabled}1
in "
- "AST file '%3' but is currently %select{disabled|enabled}2">;
-def err_ast_file_langopt_value_mismatch : Error<
- "%0 differs in AST file '%1' vs. current file">;
+def warn_ast_file_langopt_mismatch : Warning<"%0 was
%select{disabled|enabled}1 in "
+ "AST file '%3' but is currently %select{disabled|enabled}2">,
+ InGroup<ModuleMismatchedOption>;
+def warn_ast_file_langopt_value_mismatch : Warning<
+ "%0 differs in AST file '%1' vs. current file">,
+ InGroup<ModuleMismatchedOption>;
def err_ast_file_diagopt_mismatch : Error<"%0 is currently enabled, but was
not in "
"the AST file '%1'">;
def err_ast_file_modulecache_mismatch : Error<"AST file '%2' was compiled with
module cache "
diff --git a/clang/lib/Serialization/ASTReader.cpp
b/clang/lib/Serialization/ASTReader.cpp
index ec85fad3389a1c..de24f65f970a53 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -279,9 +279,7 @@ ASTReaderListener::~ASTReaderListener() = default;
/// \param Diags If non-NULL, diagnostics will be emitted via this engine.
/// \param AllowCompatibleDifferences If true, differences between compatible
/// language options will be permitted.
-///
-/// \returns true if the languagae options mis-match, false otherwise.
-static bool checkLanguageOptions(const LangOptions &LangOpts,
+static void checkLanguageOptions(const LangOptions &LangOpts,
const LangOptions &ExistingLangOpts,
StringRef ModuleFilename,
DiagnosticsEngine *Diags,
@@ -290,30 +288,27 @@ static bool checkLanguageOptions(const LangOptions
&LangOpts,
if (ExistingLangOpts.Name != LangOpts.Name) {
\
if (Diags) {
\
if (Bits == 1)
\
- Diags->Report(diag::err_ast_file_langopt_mismatch)
\
+ Diags->Report(diag::warn_ast_file_langopt_mismatch)
\
<< Description << LangOpts.Name << ExistingLangOpts.Name
\
<< ModuleFilename;
\
else
\
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
\
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
\
<< Description << ModuleFilename;
\
}
\
- return true;
\
}
#define VALUE_LANGOPT(Name, Bits, Default, Description)
\
if (ExistingLangOpts.Name != LangOpts.Name) {
\
if (Diags)
\
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
\
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
\
<< Description << ModuleFilename;
\
- return true;
\
}
#define ENUM_LANGOPT(Name, Type, Bits, Default, Description)
\
if (ExistingLangOpts.get##Name() != LangOpts.get##Name()) {
\
if (Diags)
\
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
\
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
\
<< Description << ModuleFilename;
\
- return true;
\
}
#define COMPATIBLE_LANGOPT(Name, Bits, Default, Description) \
@@ -335,24 +330,21 @@ static bool checkLanguageOptions(const LangOptions
&LangOpts,
if (ExistingLangOpts.ModuleFeatures != LangOpts.ModuleFeatures) {
if (Diags)
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
<< "module features" << ModuleFilename;
- return true;
}
if (ExistingLangOpts.ObjCRuntime != LangOpts.ObjCRuntime) {
if (Diags)
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
<< "target Objective-C runtime" << ModuleFilename;
- return true;
}
if (ExistingLangOpts.CommentOpts.BlockCommandNames !=
LangOpts.CommentOpts.BlockCommandNames) {
if (Diags)
- Diags->Report(diag::err_ast_file_langopt_value_mismatch)
+ Diags->Report(diag::warn_ast_file_langopt_value_mismatch)
<< "block command names" << ModuleFilename;
- return true;
}
// Sanitizer feature mismatches are treated as compatible differences. If
@@ -378,11 +370,8 @@ static bool checkLanguageOptions(const LangOptions
&LangOpts,
}
#include "clang/Basic/Sanitizers.def"
}
- return true;
}
}
-
- return false;
}
/// Compare the given set of target options against an existing set of
@@ -459,9 +448,10 @@ bool PCHValidator::ReadLanguageOptions(const LangOptions
&LangOpts,
StringRef ModuleFilename, bool Complain,
bool AllowCompatibleDifferences) {
const LangOptions &ExistingLangOpts = PP.getLangOpts();
- return checkLanguageOptions(LangOpts, ExistingLangOpts, ModuleFilename,
- Complain ? &Reader.Diags : nullptr,
- AllowCompatibleDifferences);
+ checkLanguageOptions(LangOpts, ExistingLangOpts, ModuleFilename,
+ Complain ? &Reader.Diags : nullptr,
+ AllowCompatibleDifferences);
+ return false;
}
bool PCHValidator::ReadTargetOptions(const TargetOptions &TargetOpts,
@@ -5398,8 +5388,9 @@ namespace {
bool ReadLanguageOptions(const LangOptions &LangOpts,
StringRef ModuleFilename, bool Complain,
bool AllowCompatibleDifferences) override {
- return checkLanguageOptions(ExistingLangOpts, LangOpts, ModuleFilename,
- nullptr, AllowCompatibleDifferences);
+ checkLanguageOptions(ExistingLangOpts, LangOpts, ModuleFilename, nullptr,
+ AllowCompatibleDifferences);
+ return false;
}
bool ReadTargetOptions(const TargetOptions &TargetOpts,
diff --git a/clang/test/Modules/explicit-build-missing-files.cpp
b/clang/test/Modules/explicit-build-missing-files.cpp
index 3ea881d34c6b28..4682ede5e08089 100644
--- a/clang/test/Modules/explicit-build-missing-files.cpp
+++ b/clang/test/Modules/explicit-build-missing-files.cpp
@@ -33,7 +33,7 @@
// RUN: %clang_cc1 -fmodules -I %t -fmodule-file=%t/b.pcm %s
// RUN: not %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm %s -DERRORS 2>&1
| FileCheck %s --check-prefix=MISSING-B
// RUN: %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm
-fmodule-map-file=%t/modulemap.moved %s
-// RUN: not %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm
-fmodule-map-file=%t/modulemap.moved -std=c++1z %s
+// RUN: %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm
-fmodule-map-file=%t/modulemap.moved -std=c++1z %s
// RUN: %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm
-fmodule-map-file=%t/modulemap.moved -std=c++1z
-Wno-module-file-config-mismatch %s -Db=a
// RUN: rm %t/a.h
// RUN: %clang_cc1 -fmodules -I %t -fmodule-file=%t/a.pcm %s -verify
diff --git a/clang/test/Modules/load_failure.c
b/clang/test/Modules/load_failure.c
index 662b39b6f1874f..bc0abb46bdc2bc 100644
--- a/clang/test/Modules/load_failure.c
+++ b/clang/test/Modules/load_failure.c
@@ -11,11 +11,11 @@
// RUN: not %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c
-fmodules-cache-path=%t -I %S/Inputs -fdisable-module-hash %s -DNONEXISTENT
2>&1 | FileCheck -check-prefix=CHECK-NONEXISTENT %s
// CHECK-NONEXISTENT: load_failure.c:2:9: fatal error: module
'load_nonexistent' not found
-// RUN: not %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c
-fmodules-cache-path=%t -I %S/Inputs -fdisable-module-hash %s -DFAILURE 2>
%t.out
-// RUN: FileCheck -check-prefix=CHECK-FAILURE %s < %t.out
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c
-fmodules-cache-path=%t -I %S/Inputs -fdisable-module-hash %s -DFAILURE 2>
%t.out
+// RUN: FileCheck -check-prefix=CHECK-WARN %s < %t.out
// FIXME: Clean up diagnostic text below and give it a location
-// CHECK-FAILURE: error: C99 was disabled in AST file '{{.*}}load_failure.pcm'
but is currently enabled
+// CHECK-WARN: warning: C99 was disabled in AST file '{{.*}}load_failure.pcm'
but is currently enabled
// FIXME: When we have a syntax for modules in C, use that.
diff --git a/clang/test/Modules/mismatch-diagnostics.cpp
b/clang/test/Modules/mismatch-diagnostics.cpp
index dffd4b46a678e5..745d6ee802f8f9 100644
--- a/clang/test/Modules/mismatch-diagnostics.cpp
+++ b/clang/test/Modules/mismatch-diagnostics.cpp
@@ -3,31 +3,55 @@
// RUN: split-file %s %t
// RUN: mkdir -p %t/prebuilt_modules
//
-// RUN: %clang_cc1 -triple %itanium_abi_triple \
-// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
-// RUN: -emit-module-interface -pthread -DBUILD_MODULE \
-// RUN: %t/mismatching_module.cppm -o \
+// RUN: %clang_cc1 -triple %itanium_abi_triple \
+// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
+// RUN: -emit-module-interface -pthread -DBUILD_MODULE \
+// RUN: %t/mismatching_module.cppm -o \
// RUN: %t/prebuilt_modules/mismatching_module.pcm
//
-// RUN: not %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
-// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
-// RUN: %t/use.cpp 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
+// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
+// RUN: %t/use.cpp 2>&1 | FileCheck %t/use.cpp
// Test again with reduced BMI.
-// RUN: %clang_cc1 -triple %itanium_abi_triple \
-// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
-// RUN: -emit-reduced-module-interface -pthread -DBUILD_MODULE
\
-// RUN: %t/mismatching_module.cppm -o \
+// RUN: %clang_cc1 -triple %itanium_abi_triple \
+// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
+// RUN: -emit-reduced-module-interface -pthread -DBUILD_MODULE \
+// RUN: %t/mismatching_module.cppm -o \
// RUN: %t/prebuilt_modules/mismatching_module.pcm
//
-// RUN: not %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
-// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
-// RUN: %t/use.cpp 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
+// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
+// RUN: %t/use.cpp 2>&1 | FileCheck %t/use.cpp
+//
+// RUN: %clang_cc1 -triple %itanium_abi_triple \
+// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
+// RUN: -emit-module-interface -pthread -DBUILD_MODULE \
+// RUN: %t/mismatching_module.cppm -o \
+// RUN: %t/prebuilt_modules/mismatching_module.pcm
+//
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
+// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
+// RUN: -Wno-module-mismatched-option %t/use.cpp 2>&1 | FileCheck
%t/use.cpp \
+// RUN: --check-prefix=NOWARN --allow-empty
+
+// Test again with reduced BMI.
+// RUN: %clang_cc1 -triple %itanium_abi_triple \
+// RUN: -std=c++20 -fprebuilt-module-path=%t/prebuilt-modules \
+// RUN: -emit-reduced-module-interface -pthread -DBUILD_MODULE \
+// RUN: %t/mismatching_module.cppm -o \
+// RUN: %t/prebuilt_modules/mismatching_module.pcm
+//
+// RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 \
+// RUN: -fprebuilt-module-path=%t/prebuilt_modules -DCHECK_MISMATCH \
+// RUN: -Wno-module-mismatched-option %t/use.cpp 2>&1 | FileCheck
%t/use.cpp \
+// RUN: --check-prefix=NOWARN --allow-empty
//--- mismatching_module.cppm
export module mismatching_module;
//--- use.cpp
import mismatching_module;
-// CHECK: error: POSIX thread support was enabled in AST file
'{{.*[/|\\\\]}}mismatching_module.pcm' but is currently disabled
-// CHECK-NEXT: module file {{.*[/|\\\\]}}mismatching_module.pcm cannot be
loaded due to a configuration mismatch with the current compilation
+// CHECK: warning: POSIX thread support was enabled in AST file
'{{.*[/|\\\\]}}mismatching_module.pcm' but is currently disabled
+
+// NOWARN-NOT: warning
diff --git a/clang/test/Modules/module-feature.m
b/clang/test/Modules/module-feature.m
index 4926d26515f860..bbc9b0220f761c 100644
--- a/clang/test/Modules/module-feature.m
+++ b/clang/test/Modules/module-feature.m
@@ -6,9 +6,9 @@
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t -fimplicit-module-maps
-fmodule-feature f2 -fmodule-feature f1 -F %S/Inputs %s -Rmodule-build 2>&1 |
FileCheck %s -allow-empty -check-prefix=ALREADY_BUILT
// ALREADY_BUILT-NOT: building module
-// Errors if we try to force the load.
+// Warns if we try to force the load.
// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t.nohash
-fimplicit-module-maps -fdisable-module-hash -fmodule-feature f1
-fmodule-feature f2 -F %S/Inputs %s -verify -Rmodule-build
-// RUN: not %clang_cc1 -fmodules -fmodules-cache-path=%t.nohash
-fimplicit-module-maps -fdisable-module-hash -fmodule-feature f2 -F %S/Inputs
%s 2>&1 | FileCheck %s -check-prefix=DIFFERS
-// DIFFERS: error: module features differs
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t.nohash
-fimplicit-module-maps -fdisable-module-hash -fmodule-feature f2 -F %S/Inputs
%s 2>&1 | FileCheck %s -check-prefix=DIFFERS
+// DIFFERS: warning: module features differs
@import Module; // expected-remark {{building module 'Module'}}
expected-remark {{finished}}
diff --git a/clang/test/Modules/pr62359.cppm b/clang/test/Modules/pr62359.cppm
index 7d9d3eec26cca7..f459d46f378618 100644
--- a/clang/test/Modules/pr62359.cppm
+++ b/clang/test/Modules/pr62359.cppm
@@ -3,9 +3,9 @@
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 -emit-module-interface %t/Hello.cppm -o
%t/Hello.pcm
-// RUN: not %clang_cc1 -std=c++20 -fopenmp %t/use.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
+// RUN: %clang_cc1 -std=c++20 -fopenmp %t/use.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
// RUN: 2>&1 | FileCheck %t/use.cpp
-// RUN: not %clang_cc1 -std=c++20 -fopenmp %t/use2.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
+// RUN: %clang_cc1 -std=c++20 -fopenmp %t/use2.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
// RUN: 2>&1 | FileCheck %t/use2.cpp
//
// RUN: %clang_cc1 -std=c++20 -fopenmp -emit-module-interface %t/Hello.cppm -o
%t/Hello.pcm
@@ -18,9 +18,9 @@
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 -emit-reduced-module-interface %t/Hello.cppm -o
%t/Hello.pcm
-// RUN: not %clang_cc1 -std=c++20 -fopenmp %t/use.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
+// RUN: %clang_cc1 -std=c++20 -fopenmp %t/use.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
// RUN: 2>&1 | FileCheck %t/use.cpp
-// RUN: not %clang_cc1 -std=c++20 -fopenmp %t/use2.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
+// RUN: %clang_cc1 -std=c++20 -fopenmp %t/use2.cpp
-fmodule-file=hello=%t/Hello.pcm -fsyntax-only \
// RUN: 2>&1 | FileCheck %t/use2.cpp
//
// RUN: %clang_cc1 -std=c++20 -fopenmp -emit-reduced-module-interface
%t/Hello.cppm -o %t/Hello.pcm
@@ -56,4 +56,3 @@ int use2() {
}
// CHECK: OpenMP{{.*}}differs in AST file '{{.*}}Hello.pcm' vs. current file
-// CHECK: use of undeclared identifier 'pragma'
diff --git a/clang/test/Modules/prebuilt-implicit-modules.m
b/clang/test/Modules/prebuilt-implicit-modules.m
index dc4fb55cb17a55..1bae214eb901f7 100644
--- a/clang/test/Modules/prebuilt-implicit-modules.m
+++ b/clang/test/Modules/prebuilt-implicit-modules.m
@@ -25,7 +25,7 @@
// RUN: mkdir -p %t2
// RUN: %clang_cc1 -x objective-c -fmodules
%S/Inputs/prebuilt-implicit-module/module.modulemap -emit-module
-fmodule-name=module_a -fmodules-cache-path=%t
// RUN: %clang_cc1 -x objective-c -fmodules
%S/Inputs/prebuilt-implicit-module/module.modulemap -emit-module
-fmodule-name=module_a -o %t/module_a.pcm -fno-signed-char
-// RUN: not %clang_cc1 -x objective-c %s -I%S/Inputs/prebuilt-implicit-module
-fmodules -fmodule-map-file=%S/Inputs/prebuilt-implicit-module/module.modulemap
-fprebuilt-implicit-modules -fprebuilt-module-path=%t -fmodules-cache-path=%t2
+// RUN: %clang_cc1 -x objective-c %s -I%S/Inputs/prebuilt-implicit-module
-fmodules -fmodule-map-file=%S/Inputs/prebuilt-implicit-module/module.modulemap
-fprebuilt-implicit-modules -fprebuilt-module-path=%t -fmodules-cache-path=%t2
// RUN: find %t2 -name "module_a*.pcm" | not grep module_a
// expected-no-diagnostics
diff --git a/clang/test/PCH/arc.m b/clang/test/PCH/arc.m
index e4ad71a469b956..d714512b48d7d7 100644
--- a/clang/test/PCH/arc.m
+++ b/clang/test/PCH/arc.m
@@ -6,10 +6,10 @@
// RUN: %clang_cc1 -emit-pch -fblocks -triple x86_64-apple-darwin11 -fobjc-arc
-x objective-c-header -o %t %S/Inputs/arc.h
// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fobjc-arc
-include-pch %t -emit-llvm-only %s
-// Test error when pch's -fobjc-arc state is different.
-// RUN: not %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -include-pch %t
-emit-llvm-only %s 2>&1 | FileCheck -check-prefix=CHECK-ERR1 %s
+// Test warning when pch's -fobjc-arc state is different.
+// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -include-pch %t
-emit-llvm-only %s 2>&1 | FileCheck -check-prefix=CHECK-ERR1 %s
// RUN: %clang_cc1 -emit-pch -fblocks -triple x86_64-apple-darwin11 -x
objective-c-header -o %t %S/Inputs/arc.h
-// RUN: not %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fobjc-arc
-include-pch %t -emit-llvm-only %s 2>&1 | FileCheck -check-prefix=CHECK-ERR2 %s
+// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fobjc-arc
-include-pch %t -emit-llvm-only %s 2>&1 | FileCheck -check-prefix=CHECK-ERR2 %s
array0 a0;
array1 a1;
diff --git a/clang/test/PCH/no-validate-pch.cl
b/clang/test/PCH/no-validate-pch.cl
index aa228ee2052192..c5a500103091f6 100644
--- a/clang/test/PCH/no-validate-pch.cl
+++ b/clang/test/PCH/no-validate-pch.cl
@@ -16,7 +16,7 @@
// CHECK: note: previous definition is here
// CHECK: #define X 4
-// CHECK-VAL: error: __OPTIMIZE__ predefined macro was enabled in AST file
'{{.*}}' but is currently disabled
+// CHECK-VAL: warning: __OPTIMIZE__ predefined macro was enabled in AST file
'{{.*}}' but is currently disabled
// CHECK-VAL: error: definition of macro 'X' differs between the AST file
'{{.*}}' ('4') and the command line ('5')
void test(void) {
diff --git a/clang/test/PCH/pch-dir.c b/clang/test/PCH/pch-dir.c
index fd7d24f9f83ff4..e67d28b1e8567e 100644
--- a/clang/test/PCH/pch-dir.c
+++ b/clang/test/PCH/pch-dir.c
@@ -11,11 +11,11 @@
// RUN: %clang -x c++ -include %t.h -std=c++98 -fsyntax-only %s -Xclang
-print-stats 2> %t.cpplog
// RUN: FileCheck -check-prefix=CHECK-CPP %s < %t.cpplog
-// RUN: not %clang -x c++ -std=c++11 -include %t.h -fsyntax-only %s 2>
%t.cpp11log
-// RUN: FileCheck -check-prefix=CHECK-NO-SUITABLE %s < %t.cpp11log
+// RUN: %clang -x c++ -std=c++11 -include %t.h -fsyntax-only %s 2> %t.cpp11log
+// RUN: FileCheck %s --check-prefix=CHECK-OPT-DIFF < %t.cpp11log
-// RUN: not %clang -include %t.h -fsyntax-only %s 2> %t.missinglog2
-// RUN: FileCheck -check-prefix=CHECK-NO-SUITABLE %s < %t.missinglog2
+// RUN: %clang -include %t.h -fsyntax-only %s 2> %t.missinglog2
+// RUN: FileCheck --check-prefix=CHECK-OPT-DIFF %s < %t.missinglog2
// RUN: not %clang -include %t.h -DFOO=foo -DBAR=bar -fsyntax-only %s 2>
%t.missinglog2
// RUN: FileCheck -check-prefix=CHECK-NO-SUITABLE %s < %t.missinglog2
@@ -41,6 +41,8 @@ int get(void) {
#endif
}
+// CHECK-OPT-DIFF: warning: {{.*}} was disabled in AST file{{.*}} but is
currently enabled
+
// CHECK-NO-SUITABLE: no suitable precompiled header file found in directory
// CHECK-IGNORED-DIR: precompiled header directory
'{{.*}}pch-dir.c.tmp.x.h.gch' was ignored because it contains no clang PCH files
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