[polly] [clang] [clang-format] Add AllowShortType option for AlwaysBreakAfterReturnType. (PR #78011)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 30 04:52:58 PST 2024
https://github.com/rmarker updated https://github.com/llvm/llvm-project/pull/78011
>From a1312a0a463bb946f336977b5b01ef7afbede678 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Thu, 11 Jan 2024 15:01:18 +1030
Subject: [PATCH 01/14] [clang-format] Add ShortReturnTypeColumn option.
---
clang/docs/ClangFormatStyleOptions.rst | 13 +++++++
clang/docs/ReleaseNotes.rst | 1 +
clang/include/clang/Format/Format.h | 12 ++++++
clang/lib/Format/ContinuationIndenter.cpp | 3 +-
clang/lib/Format/Format.cpp | 2 +
clang/unittests/Format/ConfigParseTest.cpp | 1 +
clang/unittests/Format/FormatTest.cpp | 44 ++++++++++++++++++++++
7 files changed, 75 insertions(+), 1 deletion(-)
diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
index 4dc0de3a90f2..7836cc8f1c9b 100644
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -4999,6 +4999,19 @@ the configuration (without a prefix: ``Auto``).
int bar; int bar;
} // namespace b } // namespace b
+.. _ShortReturnTypeColumn:
+
+**ShortReturnTypeColumn** (``Unsigned``) :versionbadge:`clang-format 19` :ref:`¶ <ShortReturnTypeColumn>`
+ When ``AlwaysBreakAfterReturnType`` is ``None``, line breaks are prevented
+ after short return types. This configures the column limit for a type
+ to be regarded as short.
+
+
+ .. note::
+
+ This isn't the length of the type itself, but the column where it
+ finishes. I.e. it includes indentation, etc.
+
.. _SkipMacroDefinitionBody:
**SkipMacroDefinitionBody** (``Boolean``) :versionbadge:`clang-format 18` :ref:`¶ <SkipMacroDefinitionBody>`
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 5330cd9caad8..669b420fe21e 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -184,6 +184,7 @@ AST Matchers
clang-format
------------
+- Add ``ShortReturnTypeColumn`` option.
libclang
--------
diff --git a/clang/include/clang/Format/Format.h b/clang/include/clang/Format/Format.h
index bc9eecd42f9e..7fd574c98a39 100644
--- a/clang/include/clang/Format/Format.h
+++ b/clang/include/clang/Format/Format.h
@@ -3932,6 +3932,17 @@ struct FormatStyle {
/// \version 13
unsigned ShortNamespaceLines;
+ /// When ``AlwaysBreakAfterReturnType`` is ``None``, line breaks are prevented
+ /// after short return types. This configures the column limit for a type
+ /// to be regarded as short.
+ ///
+ /// \note
+ /// This isn't the length of the type itself, but the column where it
+ /// finishes. I.e. it includes indentation, etc.
+ /// \endnote
+ /// \version 19
+ unsigned ShortReturnTypeColumn;
+
/// Do not format macro definition body.
/// \version 18
bool SkipMacroDefinitionBody;
@@ -4899,6 +4910,7 @@ struct FormatStyle {
RequiresExpressionIndentation == R.RequiresExpressionIndentation &&
SeparateDefinitionBlocks == R.SeparateDefinitionBlocks &&
ShortNamespaceLines == R.ShortNamespaceLines &&
+ ShortReturnTypeColumn == R.ShortReturnTypeColumn &&
SkipMacroDefinitionBody == R.SkipMacroDefinitionBody &&
SortIncludes == R.SortIncludes &&
SortJavaStaticImport == R.SortJavaStaticImport &&
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index a3eb9138b218..3f9c0cc81574 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -328,7 +328,8 @@ bool ContinuationIndenter::canBreak(const LineState &State) {
// Don't break after very short return types (e.g. "void") as that is often
// unexpected.
- if (Current.is(TT_FunctionDeclarationName) && State.Column < 6) {
+ if (Current.is(TT_FunctionDeclarationName) &&
+ State.Column <= Style.ShortReturnTypeColumn) {
if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None)
return false;
}
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index ff326dc78478..35478fac7b49 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -1085,6 +1085,7 @@ template <> struct MappingTraits<FormatStyle> {
Style.RequiresExpressionIndentation);
IO.mapOptional("SeparateDefinitionBlocks", Style.SeparateDefinitionBlocks);
IO.mapOptional("ShortNamespaceLines", Style.ShortNamespaceLines);
+ IO.mapOptional("ShortReturnTypeColumn", Style.ShortReturnTypeColumn);
IO.mapOptional("SkipMacroDefinitionBody", Style.SkipMacroDefinitionBody);
IO.mapOptional("SortIncludes", Style.SortIncludes);
IO.mapOptional("SortJavaStaticImport", Style.SortJavaStaticImport);
@@ -1557,6 +1558,7 @@ FormatStyle getLLVMStyle(FormatStyle::LanguageKind Language) {
LLVMStyle.RequiresExpressionIndentation = FormatStyle::REI_OuterScope;
LLVMStyle.SeparateDefinitionBlocks = FormatStyle::SDS_Leave;
LLVMStyle.ShortNamespaceLines = 1;
+ LLVMStyle.ShortReturnTypeColumn = 5;
LLVMStyle.SkipMacroDefinitionBody = false;
LLVMStyle.SortIncludes = FormatStyle::SI_CaseSensitive;
LLVMStyle.SortJavaStaticImport = FormatStyle::SJSIO_Before;
diff --git a/clang/unittests/Format/ConfigParseTest.cpp b/clang/unittests/Format/ConfigParseTest.cpp
index 2a8d79359a49..baf892b43320 100644
--- a/clang/unittests/Format/ConfigParseTest.cpp
+++ b/clang/unittests/Format/ConfigParseTest.cpp
@@ -261,6 +261,7 @@ TEST(ConfigParseTest, ParsesConfiguration) {
CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
PenaltyReturnTypeOnItsOwnLine, 1234u);
+ CHECK_PARSE("ShortReturnTypeColumn: 1234", ShortReturnTypeColumn, 1234u);
CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
SpacesBeforeTrailingComments, 1234u);
CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index e5e763edf5b5..5325af89b90e 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -12406,6 +12406,50 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
verifyFormat("template <typename T> // Templates on own line.\n"
"static int // Some comment.\n"
"MyFunction(int a);");
+
+ FormatStyle ShortReturnType = getLLVMStyle();
+ verifyFormat("Type "
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "ooooooooong::\n"
+ " FunctionDeclaration();",
+ ShortReturnType);
+ verifyFormat("struct S {\n"
+ " Type\n"
+ " "
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "oooooooooooong::\n"
+ " FunctionDeclaration();\n"
+ "}",
+ ShortReturnType);
+
+ ShortReturnType.ShortReturnTypeColumn = 0;
+ verifyFormat("Type\n"
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "ooooooooong::\n"
+ " FunctionDeclaration();",
+ ShortReturnType);
+ verifyFormat("struct S {\n"
+ " Type\n"
+ " "
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "oooooooooooong::\n"
+ " FunctionDeclaration();\n"
+ "}",
+ ShortReturnType);
+
+ ShortReturnType.ShortReturnTypeColumn = 7;
+ verifyFormat("Type "
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "ooooooooong::\n"
+ " FunctionDeclaration();",
+ ShortReturnType);
+ verifyFormat("struct S {\n"
+ " Type "
+ "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
+ "oooooooooooong::\n"
+ " FunctionDeclaration();\n"
+ "}",
+ ShortReturnType);
}
TEST_F(FormatTest, FormatsAccessModifiers) {
>From 66f4c6af253575a258f26bb1f7afeab0e44ffb28 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Fri, 26 Jan 2024 17:34:36 +1030
Subject: [PATCH 02/14] Take indentation into account for short return types.
---
clang/lib/Format/ContinuationIndenter.cpp | 2 +-
clang/unittests/Format/FormatTest.cpp | 9 ++++-----
clang/unittests/Format/FormatTestSelective.cpp | 3 +--
3 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 3f9c0cc81574..3201bc0e7dc2 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -329,7 +329,7 @@ bool ContinuationIndenter::canBreak(const LineState &State) {
// Don't break after very short return types (e.g. "void") as that is often
// unexpected.
if (Current.is(TT_FunctionDeclarationName) &&
- State.Column <= Style.ShortReturnTypeColumn) {
+ State.Column - State.FirstIndent <= Style.ShortReturnTypeColumn) {
if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None)
return false;
}
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 5325af89b90e..778d98a4493b 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -12414,8 +12414,7 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
" FunctionDeclaration();",
ShortReturnType);
verifyFormat("struct S {\n"
- " Type\n"
- " "
+ " Type "
"Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
"oooooooooooong::\n"
" FunctionDeclaration();\n"
@@ -14392,9 +14391,9 @@ TEST_F(FormatTest, SplitEmptyFunctionButNotRecord) {
" bbbbbbbbbbbbbbbbbbb()\n"
" {\n"
" }\n"
- " void\n"
- " m(int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
- " int bbbbbbbbbbbbbbbbbbbbbbbb)\n"
+ " void m(\n"
+ " int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
+ " int bbbbbbbbbbbbbbbbbbbbbbbb)\n"
" {\n"
" }\n"
"};",
diff --git a/clang/unittests/Format/FormatTestSelective.cpp b/clang/unittests/Format/FormatTestSelective.cpp
index c21c9bfe6079..43de93d219b1 100644
--- a/clang/unittests/Format/FormatTestSelective.cpp
+++ b/clang/unittests/Format/FormatTestSelective.cpp
@@ -522,8 +522,7 @@ TEST_F(FormatTestSelective, ReformatRegionAdjustsIndent) {
Style.ColumnLimit = 11;
EXPECT_EQ(" int a;\n"
- " void\n"
- " ffffff() {\n"
+ " void ffffff() {\n"
" }",
format(" int a;\n"
"void ffffff() {}",
>From 4024406a85d4509b4a0bdd41eb8cfe0441f2a3e7 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Fri, 26 Jan 2024 20:52:15 +1030
Subject: [PATCH 03/14] Add AllowShortType option for
AlwaysBreakAfterReturnType.
Replaced the new ShortReturnTypeColumn option with this alternative.
---
clang/docs/ClangFormatStyleOptions.rst | 38 +++++---
clang/docs/ReleaseNotes.rst | 2 +-
clang/include/clang/Format/Format.h | 33 ++++---
clang/lib/Format/ContinuationIndenter.cpp | 15 +--
clang/lib/Format/Format.cpp | 3 +-
clang/lib/Format/TokenAnnotator.cpp | 1 +
clang/unittests/Format/ConfigParseTest.cpp | 3 +-
clang/unittests/Format/FormatTest.cpp | 102 +++++++++++----------
8 files changed, 113 insertions(+), 84 deletions(-)
diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
index 7836cc8f1c9b..9201a152b116 100644
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -146,7 +146,7 @@ the configuration (without a prefix: ``Auto``).
.. _BasedOnStyle:
-**BasedOnStyle** (``String``) :ref:`¶ <BasedOnStyle>`
+**BasedOnStyle** (``String``) :ref:`¶ <BasedOnStyle>`
The style used for all options not specifically set in the configuration.
This option is supported only in the :program:`clang-format` configuration
@@ -1547,6 +1547,23 @@ the configuration (without a prefix: ``Auto``).
};
int f();
int f() { return 1; }
+ int foooooooooooooooooooooooooooooooooooooooooooooooo::
+ baaaaaaaaaaaaaaaaaaaaar();
+
+ * ``RTBS_AllowShortType`` (in configuration: ``AllowShortType``)
+ Break after return type automatically, while allowing a break after
+ short return types.
+ ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+
+ .. code-block:: c++
+
+ class A {
+ int f() { return 0; };
+ };
+ int f();
+ int f() { return 1; }
+ int
+ foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
* ``RTBS_All`` (in configuration: ``All``)
Always break after the return type.
@@ -1580,6 +1597,8 @@ the configuration (without a prefix: ``Auto``).
f() {
return 1;
}
+ int
+ foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
* ``RTBS_AllDefinitions`` (in configuration: ``AllDefinitions``)
Always break after the return type of function definitions.
@@ -1597,6 +1616,8 @@ the configuration (without a prefix: ``Auto``).
f() {
return 1;
}
+ int
+ foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
* ``RTBS_TopLevelDefinitions`` (in configuration: ``TopLevelDefinitions``)
Always break after the return type of top-level definitions.
@@ -1611,6 +1632,8 @@ the configuration (without a prefix: ``Auto``).
f() {
return 1;
}
+ int
+ foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
@@ -4999,19 +5022,6 @@ the configuration (without a prefix: ``Auto``).
int bar; int bar;
} // namespace b } // namespace b
-.. _ShortReturnTypeColumn:
-
-**ShortReturnTypeColumn** (``Unsigned``) :versionbadge:`clang-format 19` :ref:`¶ <ShortReturnTypeColumn>`
- When ``AlwaysBreakAfterReturnType`` is ``None``, line breaks are prevented
- after short return types. This configures the column limit for a type
- to be regarded as short.
-
-
- .. note::
-
- This isn't the length of the type itself, but the column where it
- finishes. I.e. it includes indentation, etc.
-
.. _SkipMacroDefinitionBody:
**SkipMacroDefinitionBody** (``Boolean``) :versionbadge:`clang-format 18` :ref:`¶ <SkipMacroDefinitionBody>`
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 669b420fe21e..56befd7eefb2 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -184,7 +184,7 @@ AST Matchers
clang-format
------------
-- Add ``ShortReturnTypeColumn`` option.
+- Add ``AllowShortType`` option for ``AlwaysBreakAfterReturnType``.
libclang
--------
diff --git a/clang/include/clang/Format/Format.h b/clang/include/clang/Format/Format.h
index 7fd574c98a39..02f1c6c8b30e 100644
--- a/clang/include/clang/Format/Format.h
+++ b/clang/include/clang/Format/Format.h
@@ -922,8 +922,23 @@ struct FormatStyle {
/// };
/// int f();
/// int f() { return 1; }
+ /// int foooooooooooooooooooooooooooooooooooooooooooooooo::
+ /// baaaaaaaaaaaaaaaaaaaaar();
/// \endcode
RTBS_None,
+ /// Break after return type automatically, while allowing a break after
+ /// short return types.
+ /// ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+ /// \code
+ /// class A {
+ /// int f() { return 0; };
+ /// };
+ /// int f();
+ /// int f() { return 1; }
+ /// int
+ /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ /// \endcode
+ RTBS_AllowShortType,
/// Always break after the return type.
/// \code
/// class A {
@@ -951,6 +966,8 @@ struct FormatStyle {
/// f() {
/// return 1;
/// }
+ /// int
+ /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
/// \endcode
RTBS_TopLevel,
/// Always break after the return type of function definitions.
@@ -966,6 +983,8 @@ struct FormatStyle {
/// f() {
/// return 1;
/// }
+ /// int
+ /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
/// \endcode
RTBS_AllDefinitions,
/// Always break after the return type of top-level definitions.
@@ -978,6 +997,8 @@ struct FormatStyle {
/// f() {
/// return 1;
/// }
+ /// int
+ /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
/// \endcode
RTBS_TopLevelDefinitions,
};
@@ -3932,17 +3953,6 @@ struct FormatStyle {
/// \version 13
unsigned ShortNamespaceLines;
- /// When ``AlwaysBreakAfterReturnType`` is ``None``, line breaks are prevented
- /// after short return types. This configures the column limit for a type
- /// to be regarded as short.
- ///
- /// \note
- /// This isn't the length of the type itself, but the column where it
- /// finishes. I.e. it includes indentation, etc.
- /// \endnote
- /// \version 19
- unsigned ShortReturnTypeColumn;
-
/// Do not format macro definition body.
/// \version 18
bool SkipMacroDefinitionBody;
@@ -4910,7 +4920,6 @@ struct FormatStyle {
RequiresExpressionIndentation == R.RequiresExpressionIndentation &&
SeparateDefinitionBlocks == R.SeparateDefinitionBlocks &&
ShortNamespaceLines == R.ShortNamespaceLines &&
- ShortReturnTypeColumn == R.ShortReturnTypeColumn &&
SkipMacroDefinitionBody == R.SkipMacroDefinitionBody &&
SortIncludes == R.SortIncludes &&
SortJavaStaticImport == R.SortJavaStaticImport &&
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 3201bc0e7dc2..ec0fc7fb9243 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -326,12 +326,13 @@ bool ContinuationIndenter::canBreak(const LineState &State) {
return false;
}
- // Don't break after very short return types (e.g. "void") as that is often
- // unexpected.
- if (Current.is(TT_FunctionDeclarationName) &&
- State.Column - State.FirstIndent <= Style.ShortReturnTypeColumn) {
- if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None)
+ if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None) {
+ // Don't break after very short return types (e.g. "void") as that is often
+ // unexpected.
+ if (Current.is(TT_FunctionDeclarationName) &&
+ State.Column - State.FirstIndent < 6) {
return false;
+ }
}
// If binary operators are moved to the next line (including commas for some
@@ -588,7 +589,9 @@ bool ContinuationIndenter::mustBreak(const LineState &State) {
!State.Line->ReturnTypeWrapped &&
// Don't break before a C# function when no break after return type.
(!Style.isCSharp() ||
- Style.AlwaysBreakAfterReturnType != FormatStyle::RTBS_None) &&
+ (Style.AlwaysBreakAfterReturnType != FormatStyle::RTBS_None &&
+ Style.AlwaysBreakAfterReturnType !=
+ FormatStyle::RTBS_AllowShortType)) &&
// Don't always break between a JavaScript `function` and the function
// name.
!Style.isJavaScript() && Previous.isNot(tok::kw_template) &&
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 35478fac7b49..a1034ce7c326 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -574,6 +574,7 @@ template <>
struct ScalarEnumerationTraits<FormatStyle::ReturnTypeBreakingStyle> {
static void enumeration(IO &IO, FormatStyle::ReturnTypeBreakingStyle &Value) {
IO.enumCase(Value, "None", FormatStyle::RTBS_None);
+ IO.enumCase(Value, "AllowShortType", FormatStyle::RTBS_AllowShortType);
IO.enumCase(Value, "All", FormatStyle::RTBS_All);
IO.enumCase(Value, "TopLevel", FormatStyle::RTBS_TopLevel);
IO.enumCase(Value, "TopLevelDefinitions",
@@ -1085,7 +1086,6 @@ template <> struct MappingTraits<FormatStyle> {
Style.RequiresExpressionIndentation);
IO.mapOptional("SeparateDefinitionBlocks", Style.SeparateDefinitionBlocks);
IO.mapOptional("ShortNamespaceLines", Style.ShortNamespaceLines);
- IO.mapOptional("ShortReturnTypeColumn", Style.ShortReturnTypeColumn);
IO.mapOptional("SkipMacroDefinitionBody", Style.SkipMacroDefinitionBody);
IO.mapOptional("SortIncludes", Style.SortIncludes);
IO.mapOptional("SortJavaStaticImport", Style.SortJavaStaticImport);
@@ -1558,7 +1558,6 @@ FormatStyle getLLVMStyle(FormatStyle::LanguageKind Language) {
LLVMStyle.RequiresExpressionIndentation = FormatStyle::REI_OuterScope;
LLVMStyle.SeparateDefinitionBlocks = FormatStyle::SDS_Leave;
LLVMStyle.ShortNamespaceLines = 1;
- LLVMStyle.ShortReturnTypeColumn = 5;
LLVMStyle.SkipMacroDefinitionBody = false;
LLVMStyle.SortIncludes = FormatStyle::SI_CaseSensitive;
LLVMStyle.SortJavaStaticImport = FormatStyle::SJSIO_Before;
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 25fcceb87864..81d866e8a2f4 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -3432,6 +3432,7 @@ bool TokenAnnotator::mustBreakForReturnType(const AnnotatedLine &Line) const {
switch (Style.AlwaysBreakAfterReturnType) {
case FormatStyle::RTBS_None:
+ case FormatStyle::RTBS_AllowShortType:
return false;
case FormatStyle::RTBS_All:
case FormatStyle::RTBS_TopLevel:
diff --git a/clang/unittests/Format/ConfigParseTest.cpp b/clang/unittests/Format/ConfigParseTest.cpp
index baf892b43320..8b1b289508a5 100644
--- a/clang/unittests/Format/ConfigParseTest.cpp
+++ b/clang/unittests/Format/ConfigParseTest.cpp
@@ -261,7 +261,6 @@ TEST(ConfigParseTest, ParsesConfiguration) {
CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
PenaltyReturnTypeOnItsOwnLine, 1234u);
- CHECK_PARSE("ShortReturnTypeColumn: 1234", ShortReturnTypeColumn, 1234u);
CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
SpacesBeforeTrailingComments, 1234u);
CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
@@ -698,6 +697,8 @@ TEST(ConfigParseTest, ParsesConfiguration) {
Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_All;
CHECK_PARSE("AlwaysBreakAfterReturnType: None", AlwaysBreakAfterReturnType,
FormatStyle::RTBS_None);
+ CHECK_PARSE("AlwaysBreakAfterReturnType: AllowShortType",
+ AlwaysBreakAfterReturnType, FormatStyle::RTBS_AllowShortType);
CHECK_PARSE("AlwaysBreakAfterReturnType: All", AlwaysBreakAfterReturnType,
FormatStyle::RTBS_All);
CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel",
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 778d98a4493b..c2f457675193 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -9872,9 +9872,30 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
verifyFormat("class A {\n"
" int f() { return 1; }\n"
" int g();\n"
+ " long fooooooooooooooooooooooooooooooooooooooooooooooo::\n"
+ " baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int f() { return 1; }\n"
- "int g();",
+ "int g();\n"
+ "int foooooooooooooooooooooooooooooooooooooooooooooooo::\n"
+ " baaaaaaaaaaaaaaaaaaaaar();",
+ Style);
+
+ // It is now allowed to break after a short return type if necessary.
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_AllowShortType;
+ verifyFormat("class A {\n"
+ " int f() { return 1; }\n"
+ " int g();\n"
+ " long\n"
+ " "
+ "fooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaar();\n"
+ "};\n"
+ "int f() { return 1; }\n"
+ "int g();\n"
+ "int\n"
+ "foooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaaar();",
Style);
// All declarations and definitions should have the return type moved to its
@@ -9891,13 +9912,20 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" }\n"
" int\n"
" g();\n"
+ " long\n"
+ " "
+ "fooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
" return 1;\n"
"}\n"
"int\n"
- "g();",
+ "g();\n"
+ "int\n"
+ "foooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaaar();",
Style);
// Top-level definitions, and no kinds of declarations should have the
@@ -9906,12 +9934,19 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
verifyFormat("class B {\n"
" int f() { return 1; }\n"
" int g();\n"
+ " long\n"
+ " "
+ "fooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
" return 1;\n"
"}\n"
- "int g();",
+ "int g();\n"
+ "int\n"
+ "foooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaaar();",
Style);
// Top-level definitions and declarations should have the return type moved
@@ -9920,13 +9955,20 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
verifyFormat("class C {\n"
" int f() { return 1; }\n"
" int g();\n"
+ " long\n"
+ " "
+ "fooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
" return 1;\n"
"}\n"
"int\n"
- "g();",
+ "g();\n"
+ "int\n"
+ "foooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaaar();",
Style);
// All definitions should have the return type moved to its own line, but no
@@ -9938,12 +9980,19 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" return 1;\n"
" }\n"
" int g();\n"
+ " long\n"
+ " "
+ "fooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
" return 1;\n"
"}\n"
- "int g();",
+ "int g();\n"
+ "int\n"
+ "foooooooooooooooooooooooooooooooooooooooooooooooo::"
+ "baaaaaaaaaaaaaaaaaaaaar();",
Style);
verifyFormat("const char *\n"
"f(void) {\n" // Break here.
@@ -12406,49 +12455,6 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
verifyFormat("template <typename T> // Templates on own line.\n"
"static int // Some comment.\n"
"MyFunction(int a);");
-
- FormatStyle ShortReturnType = getLLVMStyle();
- verifyFormat("Type "
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "ooooooooong::\n"
- " FunctionDeclaration();",
- ShortReturnType);
- verifyFormat("struct S {\n"
- " Type "
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "oooooooooooong::\n"
- " FunctionDeclaration();\n"
- "}",
- ShortReturnType);
-
- ShortReturnType.ShortReturnTypeColumn = 0;
- verifyFormat("Type\n"
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "ooooooooong::\n"
- " FunctionDeclaration();",
- ShortReturnType);
- verifyFormat("struct S {\n"
- " Type\n"
- " "
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "oooooooooooong::\n"
- " FunctionDeclaration();\n"
- "}",
- ShortReturnType);
-
- ShortReturnType.ShortReturnTypeColumn = 7;
- verifyFormat("Type "
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "ooooooooong::\n"
- " FunctionDeclaration();",
- ShortReturnType);
- verifyFormat("struct S {\n"
- " Type "
- "Loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo"
- "oooooooooooong::\n"
- " FunctionDeclaration();\n"
- "}",
- ShortReturnType);
}
TEST_F(FormatTest, FormatsAccessModifiers) {
>From 189cd7ab7b0a49bf678880304fe8bf583d6f6197 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Sat, 27 Jan 2024 14:43:30 +1030
Subject: [PATCH 04/14] Address review feedback.
---
clang/docs/ClangFormatStyleOptions.rst | 2 +-
clang/lib/Format/ContinuationIndenter.cpp | 5 ++-
clang/unittests/Format/FormatTest.cpp | 41 ++++++++---------------
3 files changed, 17 insertions(+), 31 deletions(-)
diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
index 9201a152b116..de3a75df9a0c 100644
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -146,7 +146,7 @@ the configuration (without a prefix: ``Auto``).
.. _BasedOnStyle:
-**BasedOnStyle** (``String``) :ref:`¶ <BasedOnStyle>`
+**BasedOnStyle** (``String``) :ref:`¶ <BasedOnStyle>`
The style used for all options not specifically set in the configuration.
This option is supported only in the :program:`clang-format` configuration
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index ec0fc7fb9243..47a2bb02aabb 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -329,6 +329,7 @@ bool ContinuationIndenter::canBreak(const LineState &State) {
if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None) {
// Don't break after very short return types (e.g. "void") as that is often
// unexpected.
+ assert(State.Column >= State.FirstIndent);
if (Current.is(TT_FunctionDeclarationName) &&
State.Column - State.FirstIndent < 6) {
return false;
@@ -589,9 +590,7 @@ bool ContinuationIndenter::mustBreak(const LineState &State) {
!State.Line->ReturnTypeWrapped &&
// Don't break before a C# function when no break after return type.
(!Style.isCSharp() ||
- (Style.AlwaysBreakAfterReturnType != FormatStyle::RTBS_None &&
- Style.AlwaysBreakAfterReturnType !=
- FormatStyle::RTBS_AllowShortType)) &&
+ Style.AlwaysBreakAfterReturnType > FormatStyle::RTBS_AllowShortType) &&
// Don't always break between a JavaScript `function` and the function
// name.
!Style.isJavaScript() && Previous.isNot(tok::kw_template) &&
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index c2f457675193..bd0fc45cee9f 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -9867,17 +9867,19 @@ TEST_F(FormatTest, AlignsStringLiterals) {
TEST_F(FormatTest, ReturnTypeBreakingStyle) {
FormatStyle Style = getLLVMStyle();
+ Style.ColumnLimit = 60;
+
// No declarations or definitions should be moved to own line.
Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat("class A {\n"
" int f() { return 1; }\n"
" int g();\n"
- " long fooooooooooooooooooooooooooooooooooooooooooooooo::\n"
+ " long foooooooooooooooooooooooooooo::\n"
" baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int f() { return 1; }\n"
"int g();\n"
- "int foooooooooooooooooooooooooooooooooooooooooooooooo::\n"
+ "int foooooooooooooooooooooooooooo::\n"
" baaaaaaaaaaaaaaaaaaaaar();",
Style);
@@ -9887,15 +9889,12 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" int f() { return 1; }\n"
" int g();\n"
" long\n"
- " "
- "fooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaar();\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int f() { return 1; }\n"
"int g();\n"
"int\n"
- "foooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaaar();",
+ "foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
// All declarations and definitions should have the return type moved to its
@@ -9913,9 +9912,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" int\n"
" g();\n"
" long\n"
- " "
- "fooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaar();\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
@@ -9924,8 +9921,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
"int\n"
"g();\n"
"int\n"
- "foooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaaar();",
+ "foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
// Top-level definitions, and no kinds of declarations should have the
@@ -9935,9 +9931,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" int f() { return 1; }\n"
" int g();\n"
" long\n"
- " "
- "fooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaar();\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
@@ -9945,8 +9939,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
"}\n"
"int g();\n"
"int\n"
- "foooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaaar();",
+ "foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
// Top-level definitions and declarations should have the return type moved
@@ -9956,9 +9949,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" int f() { return 1; }\n"
" int g();\n"
" long\n"
- " "
- "fooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaar();\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
@@ -9967,8 +9958,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
"int\n"
"g();\n"
"int\n"
- "foooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaaar();",
+ "foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
// All definitions should have the return type moved to its own line, but no
@@ -9981,9 +9971,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
" }\n"
" int g();\n"
" long\n"
- " "
- "fooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaar();\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int\n"
"f() {\n"
@@ -9991,8 +9979,7 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
"}\n"
"int g();\n"
"int\n"
- "foooooooooooooooooooooooooooooooooooooooooooooooo::"
- "baaaaaaaaaaaaaaaaaaaaar();",
+ "foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
verifyFormat("const char *\n"
"f(void) {\n" // Break here.
>From 285be69c1ebc2fd92659d45e86330ab19a416cc7 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Sat, 27 Jan 2024 14:49:44 +1030
Subject: [PATCH 05/14] Read the contents with encoding utf-8 when generating
the format style.
On Windows it adding spurious characters to the output.
---
clang/docs/tools/dump_format_style.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/docs/tools/dump_format_style.py b/clang/docs/tools/dump_format_style.py
index 75d4a044ef19..e41891f07de2 100755
--- a/clang/docs/tools/dump_format_style.py
+++ b/clang/docs/tools/dump_format_style.py
@@ -474,7 +474,7 @@ class State:
opts = sorted(opts, key=lambda x: x.name)
options_text = "\n\n".join(map(str, opts))
-with open(DOC_FILE) as f:
+with open(DOC_FILE, encoding="utf-8") as f:
contents = f.read()
contents = substitute(contents, "FORMAT_STYLE_OPTIONS", options_text)
>From 0fb332e1d8019ccf184b473e57a9762fdccaf5a0 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Sat, 27 Jan 2024 23:15:07 +1030
Subject: [PATCH 06/14] Switch LLVMStyle.AlwaysBreakAfterReturnType to
RTBS_AllowShortType.
---
clang/lib/Format/Format.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index a1034ce7c326..404307e70fe7 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -1454,7 +1454,7 @@ FormatStyle getLLVMStyle(FormatStyle::LanguageKind Language) {
LLVMStyle.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_Never;
LLVMStyle.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
LLVMStyle.AllowShortLoopsOnASingleLine = false;
- LLVMStyle.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
+ LLVMStyle.AlwaysBreakAfterReturnType = FormatStyle::RTBS_AllowShortType;
LLVMStyle.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_None;
LLVMStyle.AlwaysBreakBeforeMultilineStrings = false;
LLVMStyle.AlwaysBreakTemplateDeclarations = FormatStyle::BTDS_MultiLine;
>From 01fd15c864b01218d36f1acd86da8476cddf97c8 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Sat, 27 Jan 2024 23:31:21 +1030
Subject: [PATCH 07/14] Update formatting in polly to pass polly-check-format.
---
polly/include/polly/DependenceInfo.h | 4 ++--
polly/include/polly/LinkAllPasses.h | 4 ++--
polly/lib/Analysis/DependenceInfo.cpp | 5 +++--
polly/lib/Analysis/ScopBuilder.cpp | 10 ++++++----
polly/lib/Analysis/ScopDetection.cpp | 11 ++++++-----
polly/lib/CodeGen/IslNodeBuilder.cpp | 9 +++++----
polly/lib/Transform/MaximalStaticExpansion.cpp | 4 ++--
polly/lib/Transform/ScheduleOptimizer.cpp | 4 ++--
8 files changed, 28 insertions(+), 23 deletions(-)
diff --git a/polly/include/polly/DependenceInfo.h b/polly/include/polly/DependenceInfo.h
index 7526a294c6ba..fb7b1740ea25 100644
--- a/polly/include/polly/DependenceInfo.h
+++ b/polly/include/polly/DependenceInfo.h
@@ -332,8 +332,8 @@ namespace llvm {
void initializeDependenceInfoPass(llvm::PassRegistry &);
void initializeDependenceInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoWrapperPassPass(llvm::PassRegistry &);
-void initializeDependenceInfoPrinterLegacyFunctionPassPass(
- llvm::PassRegistry &);
+void
+initializeDependenceInfoPrinterLegacyFunctionPassPass(llvm::PassRegistry &);
} // namespace llvm
#endif
diff --git a/polly/include/polly/LinkAllPasses.h b/polly/include/polly/LinkAllPasses.h
index a2f8f3329991..a293b7074f3b 100644
--- a/polly/include/polly/LinkAllPasses.h
+++ b/polly/include/polly/LinkAllPasses.h
@@ -138,8 +138,8 @@ void initializeJSONImporterPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoPass(llvm::PassRegistry &);
void initializeDependenceInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoWrapperPassPass(llvm::PassRegistry &);
-void initializeDependenceInfoPrinterLegacyFunctionPassPass(
- llvm::PassRegistry &);
+void
+initializeDependenceInfoPrinterLegacyFunctionPassPass(llvm::PassRegistry &);
void initializeIslAstInfoWrapperPassPass(llvm::PassRegistry &);
void initializeIslAstInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeCodeGenerationPass(llvm::PassRegistry &);
diff --git a/polly/lib/Analysis/DependenceInfo.cpp b/polly/lib/Analysis/DependenceInfo.cpp
index 69257c603877..3da6738b6458 100644
--- a/polly/lib/Analysis/DependenceInfo.cpp
+++ b/polly/lib/Analysis/DependenceInfo.cpp
@@ -647,8 +647,9 @@ bool Dependences::isValidSchedule(Scop &S, isl::schedule NewSched) const {
return isValidSchedule(S, NewSchedules);
}
-bool Dependences::isValidSchedule(
- Scop &S, const StatementToIslMapTy &NewSchedule) const {
+bool
+Dependences::isValidSchedule(Scop &S,
+ const StatementToIslMapTy &NewSchedule) const {
if (LegalityCheckDisabled)
return true;
diff --git a/polly/lib/Analysis/ScopBuilder.cpp b/polly/lib/Analysis/ScopBuilder.cpp
index c62cb2a85c83..c14b01116ec4 100644
--- a/polly/lib/Analysis/ScopBuilder.cpp
+++ b/polly/lib/Analysis/ScopBuilder.cpp
@@ -827,8 +827,9 @@ void ScopBuilder::buildInvariantEquivalenceClasses() {
}
}
-bool ScopBuilder::buildDomains(
- Region *R, DenseMap<BasicBlock *, isl::set> &InvalidDomainMap) {
+bool
+ScopBuilder::buildDomains(Region *R,
+ DenseMap<BasicBlock *, isl::set> &InvalidDomainMap) {
bool IsOnlyNonAffineRegion = scop->isNonAffineSubRegion(R);
auto *EntryBB = R->getEntry();
auto *L = IsOnlyNonAffineRegion ? nullptr : LI.getLoopFor(EntryBB);
@@ -3297,8 +3298,9 @@ bool ScopBuilder::buildAliasGroups() {
return true;
}
-bool ScopBuilder::buildAliasGroup(
- AliasGroupTy &AliasGroup, DenseSet<const ScopArrayInfo *> HasWriteAccess) {
+bool
+ScopBuilder::buildAliasGroup(AliasGroupTy &AliasGroup,
+ DenseSet<const ScopArrayInfo *> HasWriteAccess) {
AliasGroupTy ReadOnlyAccesses;
AliasGroupTy ReadWriteAccesses;
SmallPtrSet<const ScopArrayInfo *, 4> ReadWriteArrays;
diff --git a/polly/lib/Analysis/ScopDetection.cpp b/polly/lib/Analysis/ScopDetection.cpp
index 938d3f149677..8af4986dc1bb 100644
--- a/polly/lib/Analysis/ScopDetection.cpp
+++ b/polly/lib/Analysis/ScopDetection.cpp
@@ -978,9 +978,10 @@ bool ScopDetection::hasValidArraySizes(DetectionContext &Context,
// non-affine accesses are allowed, we drop the information. In case the
// information is dropped the memory accesses need to be overapproximated
// when translated to a polyhedral representation.
-bool ScopDetection::computeAccessFunctions(
- DetectionContext &Context, const SCEVUnknown *BasePointer,
- std::shared_ptr<ArrayShape> Shape) const {
+bool
+ScopDetection::computeAccessFunctions(DetectionContext &Context,
+ const SCEVUnknown *BasePointer,
+ std::shared_ptr<ArrayShape> Shape) const {
Value *BaseValue = BasePointer->getValue();
bool BasePtrHasNonAffine = false;
MapInsnToMemAcc TempMemoryAccesses;
@@ -1691,8 +1692,8 @@ bool ScopDetection::hasSufficientCompute(DetectionContext &Context,
return InstCount >= ProfitabilityMinPerLoopInstructions;
}
-bool ScopDetection::hasPossiblyDistributableLoop(
- DetectionContext &Context) const {
+bool
+ScopDetection::hasPossiblyDistributableLoop(DetectionContext &Context) const {
for (auto *BB : Context.CurRegion.blocks()) {
auto *L = LI.getLoopFor(BB);
if (!Context.CurRegion.contains(L))
diff --git a/polly/lib/CodeGen/IslNodeBuilder.cpp b/polly/lib/CodeGen/IslNodeBuilder.cpp
index a226cc2a1b25..885b5ee9a1fa 100644
--- a/polly/lib/CodeGen/IslNodeBuilder.cpp
+++ b/polly/lib/CodeGen/IslNodeBuilder.cpp
@@ -831,8 +831,9 @@ void IslNodeBuilder::createSubstitutionsVector(
isl_ast_expr_free(Expr);
}
-void IslNodeBuilder::generateCopyStmt(
- ScopStmt *Stmt, __isl_keep isl_id_to_ast_expr *NewAccesses) {
+void
+IslNodeBuilder::generateCopyStmt(ScopStmt *Stmt,
+ __isl_keep isl_id_to_ast_expr *NewAccesses) {
assert(Stmt->size() == 2);
auto ReadAccess = Stmt->begin();
auto WriteAccess = ReadAccess++;
@@ -1129,8 +1130,8 @@ Value *IslNodeBuilder::preloadInvariantLoad(const MemoryAccess &MA,
return PreloadVal;
}
-bool IslNodeBuilder::preloadInvariantEquivClass(
- InvariantEquivClassTy &IAClass) {
+bool
+IslNodeBuilder::preloadInvariantEquivClass(InvariantEquivClassTy &IAClass) {
// For an equivalence class of invariant loads we pre-load the representing
// element with the unified execution context. However, we have to map all
// elements of the class to the one preloaded load as they are referenced
diff --git a/polly/lib/Transform/MaximalStaticExpansion.cpp b/polly/lib/Transform/MaximalStaticExpansion.cpp
index e32a69d47f69..de9b9bbc2cf5 100644
--- a/polly/lib/Transform/MaximalStaticExpansion.cpp
+++ b/polly/lib/Transform/MaximalStaticExpansion.cpp
@@ -535,8 +535,8 @@ void MaximalStaticExpanderWrapperPass::printScop(raw_ostream &OS,
S.print(OS, false);
}
-void MaximalStaticExpanderWrapperPass::getAnalysisUsage(
- AnalysisUsage &AU) const {
+void
+MaximalStaticExpanderWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
ScopPass::getAnalysisUsage(AU);
AU.addRequired<DependenceInfo>();
AU.addRequired<OptimizationRemarkEmitterWrapperPass>();
diff --git a/polly/lib/Transform/ScheduleOptimizer.cpp b/polly/lib/Transform/ScheduleOptimizer.cpp
index 8ee2b66339ad..751b073b7f24 100644
--- a/polly/lib/Transform/ScheduleOptimizer.cpp
+++ b/polly/lib/Transform/ScheduleOptimizer.cpp
@@ -990,8 +990,8 @@ void IslScheduleOptimizerWrapperPass::printScop(raw_ostream &OS, Scop &) const {
runScheduleOptimizerPrinter(OS, LastSchedule);
}
-void IslScheduleOptimizerWrapperPass::getAnalysisUsage(
- AnalysisUsage &AU) const {
+void
+IslScheduleOptimizerWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
ScopPass::getAnalysisUsage(AU);
AU.addRequired<DependenceInfo>();
AU.addRequired<TargetTransformInfoWrapperPass>();
>From 64caa360077385479e7ad3791dc500674ab2f17a Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Sun, 28 Jan 2024 09:33:21 +1030
Subject: [PATCH 08/14] Update tests for change to llvm style.
---
clang/unittests/Format/FormatTest.cpp | 47 +++++++++++++------
clang/unittests/Format/FormatTestComments.cpp | 18 +++----
.../unittests/Format/FormatTestSelective.cpp | 3 +-
3 files changed, 45 insertions(+), 23 deletions(-)
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bd0fc45cee9f..b50ceae1965b 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -7841,6 +7841,7 @@ TEST_F(FormatTest, AllowAllConstructorInitializersOnNextLine) {
TEST_F(FormatTest, AllowAllArgumentsOnNextLine) {
FormatStyle Style = getLLVMStyleWithColumns(60);
Style.BinPackArguments = false;
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
for (int i = 0; i < 4; ++i) {
// Test all combinations of parameters that should not have an effect.
Style.AllowAllParametersOfDeclarationOnNextLine = i & 1;
@@ -7898,6 +7899,7 @@ TEST_F(FormatTest, AllowAllArgumentsOnNextLineDontAlign) {
"void functionDecl(int A, int B, int C);";
Style.AllowAllArgumentsOnNextLine = false;
Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign;
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat(StringRef("functionCall(paramA, paramB,\n"
" paramC);\n"
"void functionDecl(int A, int B,\n"
@@ -8378,10 +8380,11 @@ TEST_F(FormatTest, BreaksFunctionDeclarations) {
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" bbbb bbbb);");
- verifyFormat("void SomeLoooooooooooongFunction(\n"
- " std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
- " int bbbbbbbbbbbbb);");
+ verifyFormat("void\n"
+ "SomeLoooooooooooongFunction(std::unique_ptr<"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
+ " int bbbbbbbbbbbbb);");
// Treat overloaded operators like other functions.
verifyFormat("SomeLoooooooooooooooooooooooooogType\n"
@@ -8446,11 +8449,15 @@ TEST_F(FormatTest, TrailingReturnType) {
verifyFormat("auto SomeFunction(A aaaaaaaaaaaaaaaaaaaaa) const\n"
" -> decltype(f(aaaaaaaaaaaaaaaaaaaaa)) {}");
verifyFormat("auto doSomething(Aaaaaa *aaaaaa) -> decltype(aaaaaa->f()) {}");
+
+ FormatStyle Style = getLLVMStyle();
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat("template <typename T>\n"
"auto aaaaaaaaaaaaaaaaaaaaaa(T t)\n"
- " -> decltype(eaaaaaaaaaaaaaaa<T>(t.a).aaaaaaaa());");
+ " -> decltype(eaaaaaaaaaaaaaaa<T>(t.a).aaaaaaaa());",
+ Style);
- FormatStyle Style = getLLVMStyleWithColumns(60);
+ Style = getLLVMStyleWithColumns(60);
verifyFormat("#define MAKE_DEF(NAME) \\\n"
" auto NAME() -> int { return 42; }",
Style);
@@ -8717,6 +8724,7 @@ TEST_F(FormatTest, BreaksDesireably) {
TEST_F(FormatTest, FormatsDeclarationsOnePerLine) {
FormatStyle NoBinPacking = getGoogleStyle();
+ NoBinPacking.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
NoBinPacking.BinPackParameters = false;
NoBinPacking.BinPackArguments = true;
verifyFormat("void f() {\n"
@@ -8741,10 +8749,13 @@ TEST_F(FormatTest, FormatsDeclarationsOnePerLine) {
"void fffffffffff(aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa,\n"
" aaaaaaaaaa> aaaaaaaaaa);",
NoBinPacking);
+ FormatStyle BinPacking = getLLVMStyle();
+ BinPacking.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat(
"void fffffffffff(\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaa>\n"
- " aaaaaaaaaa);");
+ " aaaaaaaaaa);",
+ BinPacking);
}
TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) {
@@ -12054,6 +12065,7 @@ TEST_F(FormatTest, AttributesAfterMacro) {
TEST_F(FormatTest, AttributePenaltyBreaking) {
FormatStyle Style = getLLVMStyle();
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat("void ABCDEFGH::ABCDEFGHIJKLMN(\n"
" [[maybe_unused]] const shared_ptr<ALongTypeName> &C d) {}",
Style);
@@ -12431,13 +12443,17 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
verifyFormat("typedef size_t (*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)(\n"
" const aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
" *aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
- verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
- " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaa);");
- verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
- " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
- " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
+ verifyFormat("void\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(vector<"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaa);");
+ verifyFormat(
+ "void\n"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(vector<"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
+ " "
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
verifyFormat("template <typename T> // Templates on own line.\n"
"static int // Some comment.\n"
@@ -14366,6 +14382,7 @@ TEST_F(FormatTest, SplitEmptyFunction) {
TEST_F(FormatTest, SplitEmptyFunctionButNotRecord) {
FormatStyle Style = getLLVMStyleWithColumns(40);
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
Style.BreakBeforeBraces = FormatStyle::BS_Custom;
Style.BraceWrapping.AfterFunction = true;
Style.BraceWrapping.SplitEmptyFunction = true;
@@ -21573,6 +21590,7 @@ TEST_F(FormatTest, OptimizeBreakPenaltyVsExcess) {
TEST_F(FormatTest, BreakPenaltyAfterLParen) {
FormatStyle Style = getLLVMStyle();
Style.ColumnLimit = 8;
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
Style.PenaltyExcessCharacter = 15;
verifyFormat("int foo(\n"
" int aaaaaaaaaaaaaaaaaaaaaaaa);",
@@ -26994,6 +27012,7 @@ TEST_F(FormatTest, RemoveParentheses) {
TEST_F(FormatTest, AllowBreakBeforeNoexceptSpecifier) {
auto Style = getLLVMStyleWithColumns(35);
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
EXPECT_EQ(Style.AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
verifyFormat("void foo(int arg1,\n"
diff --git a/clang/unittests/Format/FormatTestComments.cpp b/clang/unittests/Format/FormatTestComments.cpp
index c249f4d9333f..eb9c5f22439e 100644
--- a/clang/unittests/Format/FormatTestComments.cpp
+++ b/clang/unittests/Format/FormatTestComments.cpp
@@ -519,10 +519,11 @@ TEST_F(FormatTestComments, CorrectlyHandlesLengthOfBlockComments) {
}
TEST_F(FormatTestComments, DontBreakNonTrailingBlockComments) {
+ FormatStyle Style = getLLVMStyleWithColumns(35);
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
EXPECT_EQ("void ffffffffff(\n"
" int aaaaa /* test */);",
- format("void ffffffffff(int aaaaa /* test */);",
- getLLVMStyleWithColumns(35)));
+ format("void ffffffffff(int aaaaa /* test */);", Style));
}
TEST_F(FormatTestComments, SplitsLongCxxComments) {
@@ -604,11 +605,11 @@ TEST_F(FormatTestComments, SplitsLongCxxComments) {
format("// A comment before a macro definition\n"
"#define a b",
getLLVMStyleWithColumns(20)));
- EXPECT_EQ("void ffffff(\n"
- " int aaaaaaaaa, // wwww\n"
- " int bbbbbbbbbb, // xxxxxxx\n"
- " // yyyyyyyyyy\n"
- " int c, int d, int e) {}",
+ EXPECT_EQ("void\n"
+ "ffffff(int aaaaaaaaa, // wwww\n"
+ " int bbbbbbbbbb, // xxxxxxx\n"
+ " // yyyyyyyyyy\n"
+ " int c, int d, int e) {}",
format("void ffffff(\n"
" int aaaaaaaaa, // wwww\n"
" int bbbbbbbbbb, // xxxxxxx yyyyyyyyyy\n"
@@ -4100,6 +4101,7 @@ TEST_F(FormatTestComments, SpaceAtLineCommentBegin) {
format(Code, Style));
Style = getLLVMStyleWithColumns(20);
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
StringRef WrapCode = "//Lorem ipsum dolor sit amet\n"
"\n"
"// Lorem ipsum dolor sit amet\n"
@@ -4583,7 +4585,7 @@ TEST_F(FormatTestComments, SplitCommentIntroducers) {
)",
format(R"(//
/\
-/
+/
)",
getLLVMStyleWithColumns(10)));
}
diff --git a/clang/unittests/Format/FormatTestSelective.cpp b/clang/unittests/Format/FormatTestSelective.cpp
index 43de93d219b1..c21c9bfe6079 100644
--- a/clang/unittests/Format/FormatTestSelective.cpp
+++ b/clang/unittests/Format/FormatTestSelective.cpp
@@ -522,7 +522,8 @@ TEST_F(FormatTestSelective, ReformatRegionAdjustsIndent) {
Style.ColumnLimit = 11;
EXPECT_EQ(" int a;\n"
- " void ffffff() {\n"
+ " void\n"
+ " ffffff() {\n"
" }",
format(" int a;\n"
"void ffffff() {}",
>From 76dddac14f4b414edf393101f8907ea2efce8a80 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Mon, 29 Jan 2024 21:05:02 +1030
Subject: [PATCH 09/14] Revert "Read the contents with encoding utf-8 when
generating the format style."
This reverts commit 285be69c1ebc2fd92659d45e86330ab19a416cc7.
---
clang/docs/tools/dump_format_style.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/docs/tools/dump_format_style.py b/clang/docs/tools/dump_format_style.py
index e41891f07de2..75d4a044ef19 100755
--- a/clang/docs/tools/dump_format_style.py
+++ b/clang/docs/tools/dump_format_style.py
@@ -474,7 +474,7 @@ class State:
opts = sorted(opts, key=lambda x: x.name)
options_text = "\n\n".join(map(str, opts))
-with open(DOC_FILE, encoding="utf-8") as f:
+with open(DOC_FILE) as f:
contents = f.read()
contents = substitute(contents, "FORMAT_STYLE_OPTIONS", options_text)
>From a31a99f64027b896071c8afcca21b93ab4ac5add Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Mon, 29 Jan 2024 21:51:59 +1030
Subject: [PATCH 10/14] Improve documentation.
---
clang/docs/ClangFormatStyleOptions.rst | 21 ++++++++++++---------
clang/include/clang/Format/Format.h | 21 ++++++++++++---------
2 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
index de3a75df9a0c..b60d91c82cdf 100644
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -1547,13 +1547,14 @@ the configuration (without a prefix: ``Auto``).
};
int f();
int f() { return 1; }
- int foooooooooooooooooooooooooooooooooooooooooooooooo::
- baaaaaaaaaaaaaaaaaaaaar();
+ int LongName::
+ AnotherLongName();
* ``RTBS_AllowShortType`` (in configuration: ``AllowShortType``)
- Break after return type automatically, while allowing a break after
- short return types.
- ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+ Break after return type automatically.
+ This mode doesn't have the same inherent restriction on breaking after
+ short return types as ``RTBS_None`` and is solely based on
+ ``PenaltyReturnTypeOnItsOwnLine``.
.. code-block:: c++
@@ -1563,7 +1564,7 @@ the configuration (without a prefix: ``Auto``).
int f();
int f() { return 1; }
int
- foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ LongName::AnotherLongName();
* ``RTBS_All`` (in configuration: ``All``)
Always break after the return type.
@@ -1582,6 +1583,8 @@ the configuration (without a prefix: ``Auto``).
f() {
return 1;
}
+ int
+ LongName::AnotherLongName();
* ``RTBS_TopLevel`` (in configuration: ``TopLevel``)
Always break after the return types of top-level functions.
@@ -1598,7 +1601,7 @@ the configuration (without a prefix: ``Auto``).
return 1;
}
int
- foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ LongName::AnotherLongName();
* ``RTBS_AllDefinitions`` (in configuration: ``AllDefinitions``)
Always break after the return type of function definitions.
@@ -1617,7 +1620,7 @@ the configuration (without a prefix: ``Auto``).
return 1;
}
int
- foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ LongName::AnotherLongName();
* ``RTBS_TopLevelDefinitions`` (in configuration: ``TopLevelDefinitions``)
Always break after the return type of top-level definitions.
@@ -1633,7 +1636,7 @@ the configuration (without a prefix: ``Auto``).
return 1;
}
int
- foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ LongName::AnotherLongName();
diff --git a/clang/include/clang/Format/Format.h b/clang/include/clang/Format/Format.h
index 02f1c6c8b30e..4ede7c19c447 100644
--- a/clang/include/clang/Format/Format.h
+++ b/clang/include/clang/Format/Format.h
@@ -922,13 +922,14 @@ struct FormatStyle {
/// };
/// int f();
/// int f() { return 1; }
- /// int foooooooooooooooooooooooooooooooooooooooooooooooo::
- /// baaaaaaaaaaaaaaaaaaaaar();
+ /// int LongName::
+ /// AnotherLongName();
/// \endcode
RTBS_None,
- /// Break after return type automatically, while allowing a break after
- /// short return types.
- /// ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+ /// Break after return type automatically.
+ /// This mode doesn't have the same inherent restriction on breaking after
+ /// short return types as ``RTBS_None`` and is solely based on
+ /// ``PenaltyReturnTypeOnItsOwnLine``.
/// \code
/// class A {
/// int f() { return 0; };
@@ -936,7 +937,7 @@ struct FormatStyle {
/// int f();
/// int f() { return 1; }
/// int
- /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ /// LongName::AnotherLongName();
/// \endcode
RTBS_AllowShortType,
/// Always break after the return type.
@@ -953,6 +954,8 @@ struct FormatStyle {
/// f() {
/// return 1;
/// }
+ /// int
+ /// LongName::AnotherLongName();
/// \endcode
RTBS_All,
/// Always break after the return types of top-level functions.
@@ -967,7 +970,7 @@ struct FormatStyle {
/// return 1;
/// }
/// int
- /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ /// LongName::AnotherLongName();
/// \endcode
RTBS_TopLevel,
/// Always break after the return type of function definitions.
@@ -984,7 +987,7 @@ struct FormatStyle {
/// return 1;
/// }
/// int
- /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ /// LongName::AnotherLongName();
/// \endcode
RTBS_AllDefinitions,
/// Always break after the return type of top-level definitions.
@@ -998,7 +1001,7 @@ struct FormatStyle {
/// return 1;
/// }
/// int
- /// foooooooooooooooooooooooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();
+ /// LongName::AnotherLongName();
/// \endcode
RTBS_TopLevelDefinitions,
};
>From 28dcfbd927a61b27825b22da47e937581f72c98f Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Tue, 30 Jan 2024 21:16:54 +1030
Subject: [PATCH 11/14] Revert "Update tests for change to llvm style."
This reverts commit 64caa360077385479e7ad3791dc500674ab2f17a.
---
clang/unittests/Format/FormatTest.cpp | 47 ++++++-------------
clang/unittests/Format/FormatTestComments.cpp | 18 ++++---
.../unittests/Format/FormatTestSelective.cpp | 3 +-
3 files changed, 23 insertions(+), 45 deletions(-)
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index b50ceae1965b..bd0fc45cee9f 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -7841,7 +7841,6 @@ TEST_F(FormatTest, AllowAllConstructorInitializersOnNextLine) {
TEST_F(FormatTest, AllowAllArgumentsOnNextLine) {
FormatStyle Style = getLLVMStyleWithColumns(60);
Style.BinPackArguments = false;
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
for (int i = 0; i < 4; ++i) {
// Test all combinations of parameters that should not have an effect.
Style.AllowAllParametersOfDeclarationOnNextLine = i & 1;
@@ -7899,7 +7898,6 @@ TEST_F(FormatTest, AllowAllArgumentsOnNextLineDontAlign) {
"void functionDecl(int A, int B, int C);";
Style.AllowAllArgumentsOnNextLine = false;
Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign;
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat(StringRef("functionCall(paramA, paramB,\n"
" paramC);\n"
"void functionDecl(int A, int B,\n"
@@ -8380,11 +8378,10 @@ TEST_F(FormatTest, BreaksFunctionDeclarations) {
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" bbbb bbbb);");
- verifyFormat("void\n"
- "SomeLoooooooooooongFunction(std::unique_ptr<"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
- " int bbbbbbbbbbbbb);");
+ verifyFormat("void SomeLoooooooooooongFunction(\n"
+ " std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
+ " int bbbbbbbbbbbbb);");
// Treat overloaded operators like other functions.
verifyFormat("SomeLoooooooooooooooooooooooooogType\n"
@@ -8449,15 +8446,11 @@ TEST_F(FormatTest, TrailingReturnType) {
verifyFormat("auto SomeFunction(A aaaaaaaaaaaaaaaaaaaaa) const\n"
" -> decltype(f(aaaaaaaaaaaaaaaaaaaaa)) {}");
verifyFormat("auto doSomething(Aaaaaa *aaaaaa) -> decltype(aaaaaa->f()) {}");
-
- FormatStyle Style = getLLVMStyle();
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat("template <typename T>\n"
"auto aaaaaaaaaaaaaaaaaaaaaa(T t)\n"
- " -> decltype(eaaaaaaaaaaaaaaa<T>(t.a).aaaaaaaa());",
- Style);
+ " -> decltype(eaaaaaaaaaaaaaaa<T>(t.a).aaaaaaaa());");
- Style = getLLVMStyleWithColumns(60);
+ FormatStyle Style = getLLVMStyleWithColumns(60);
verifyFormat("#define MAKE_DEF(NAME) \\\n"
" auto NAME() -> int { return 42; }",
Style);
@@ -8724,7 +8717,6 @@ TEST_F(FormatTest, BreaksDesireably) {
TEST_F(FormatTest, FormatsDeclarationsOnePerLine) {
FormatStyle NoBinPacking = getGoogleStyle();
- NoBinPacking.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
NoBinPacking.BinPackParameters = false;
NoBinPacking.BinPackArguments = true;
verifyFormat("void f() {\n"
@@ -8749,13 +8741,10 @@ TEST_F(FormatTest, FormatsDeclarationsOnePerLine) {
"void fffffffffff(aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa,\n"
" aaaaaaaaaa> aaaaaaaaaa);",
NoBinPacking);
- FormatStyle BinPacking = getLLVMStyle();
- BinPacking.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat(
"void fffffffffff(\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaa>\n"
- " aaaaaaaaaa);",
- BinPacking);
+ " aaaaaaaaaa);");
}
TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) {
@@ -12065,7 +12054,6 @@ TEST_F(FormatTest, AttributesAfterMacro) {
TEST_F(FormatTest, AttributePenaltyBreaking) {
FormatStyle Style = getLLVMStyle();
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
verifyFormat("void ABCDEFGH::ABCDEFGHIJKLMN(\n"
" [[maybe_unused]] const shared_ptr<ALongTypeName> &C d) {}",
Style);
@@ -12443,17 +12431,13 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
verifyFormat("typedef size_t (*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)(\n"
" const aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
" *aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
- verifyFormat("void\n"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(vector<"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaa);");
- verifyFormat(
- "void\n"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(vector<"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
- " "
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>>\n"
- " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
+ verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+ " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaa);");
+ verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+ " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>>\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
verifyFormat("template <typename T> // Templates on own line.\n"
"static int // Some comment.\n"
@@ -14382,7 +14366,6 @@ TEST_F(FormatTest, SplitEmptyFunction) {
TEST_F(FormatTest, SplitEmptyFunctionButNotRecord) {
FormatStyle Style = getLLVMStyleWithColumns(40);
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
Style.BreakBeforeBraces = FormatStyle::BS_Custom;
Style.BraceWrapping.AfterFunction = true;
Style.BraceWrapping.SplitEmptyFunction = true;
@@ -21590,7 +21573,6 @@ TEST_F(FormatTest, OptimizeBreakPenaltyVsExcess) {
TEST_F(FormatTest, BreakPenaltyAfterLParen) {
FormatStyle Style = getLLVMStyle();
Style.ColumnLimit = 8;
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
Style.PenaltyExcessCharacter = 15;
verifyFormat("int foo(\n"
" int aaaaaaaaaaaaaaaaaaaaaaaa);",
@@ -27012,7 +26994,6 @@ TEST_F(FormatTest, RemoveParentheses) {
TEST_F(FormatTest, AllowBreakBeforeNoexceptSpecifier) {
auto Style = getLLVMStyleWithColumns(35);
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
EXPECT_EQ(Style.AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
verifyFormat("void foo(int arg1,\n"
diff --git a/clang/unittests/Format/FormatTestComments.cpp b/clang/unittests/Format/FormatTestComments.cpp
index eb9c5f22439e..c249f4d9333f 100644
--- a/clang/unittests/Format/FormatTestComments.cpp
+++ b/clang/unittests/Format/FormatTestComments.cpp
@@ -519,11 +519,10 @@ TEST_F(FormatTestComments, CorrectlyHandlesLengthOfBlockComments) {
}
TEST_F(FormatTestComments, DontBreakNonTrailingBlockComments) {
- FormatStyle Style = getLLVMStyleWithColumns(35);
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
EXPECT_EQ("void ffffffffff(\n"
" int aaaaa /* test */);",
- format("void ffffffffff(int aaaaa /* test */);", Style));
+ format("void ffffffffff(int aaaaa /* test */);",
+ getLLVMStyleWithColumns(35)));
}
TEST_F(FormatTestComments, SplitsLongCxxComments) {
@@ -605,11 +604,11 @@ TEST_F(FormatTestComments, SplitsLongCxxComments) {
format("// A comment before a macro definition\n"
"#define a b",
getLLVMStyleWithColumns(20)));
- EXPECT_EQ("void\n"
- "ffffff(int aaaaaaaaa, // wwww\n"
- " int bbbbbbbbbb, // xxxxxxx\n"
- " // yyyyyyyyyy\n"
- " int c, int d, int e) {}",
+ EXPECT_EQ("void ffffff(\n"
+ " int aaaaaaaaa, // wwww\n"
+ " int bbbbbbbbbb, // xxxxxxx\n"
+ " // yyyyyyyyyy\n"
+ " int c, int d, int e) {}",
format("void ffffff(\n"
" int aaaaaaaaa, // wwww\n"
" int bbbbbbbbbb, // xxxxxxx yyyyyyyyyy\n"
@@ -4101,7 +4100,6 @@ TEST_F(FormatTestComments, SpaceAtLineCommentBegin) {
format(Code, Style));
Style = getLLVMStyleWithColumns(20);
- Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
StringRef WrapCode = "//Lorem ipsum dolor sit amet\n"
"\n"
"// Lorem ipsum dolor sit amet\n"
@@ -4585,7 +4583,7 @@ TEST_F(FormatTestComments, SplitCommentIntroducers) {
)",
format(R"(//
/\
-/
+/
)",
getLLVMStyleWithColumns(10)));
}
diff --git a/clang/unittests/Format/FormatTestSelective.cpp b/clang/unittests/Format/FormatTestSelective.cpp
index c21c9bfe6079..43de93d219b1 100644
--- a/clang/unittests/Format/FormatTestSelective.cpp
+++ b/clang/unittests/Format/FormatTestSelective.cpp
@@ -522,8 +522,7 @@ TEST_F(FormatTestSelective, ReformatRegionAdjustsIndent) {
Style.ColumnLimit = 11;
EXPECT_EQ(" int a;\n"
- " void\n"
- " ffffff() {\n"
+ " void ffffff() {\n"
" }",
format(" int a;\n"
"void ffffff() {}",
>From 1f7657aa3a51494292fcdd72e5e5a40d789a4f48 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Tue, 30 Jan 2024 21:17:20 +1030
Subject: [PATCH 12/14] Revert "Update formatting in polly to pass
polly-check-format."
This reverts commit 01fd15c864b01218d36f1acd86da8476cddf97c8.
---
polly/include/polly/DependenceInfo.h | 4 ++--
polly/include/polly/LinkAllPasses.h | 4 ++--
polly/lib/Analysis/DependenceInfo.cpp | 5 ++---
polly/lib/Analysis/ScopBuilder.cpp | 10 ++++------
polly/lib/Analysis/ScopDetection.cpp | 11 +++++------
polly/lib/CodeGen/IslNodeBuilder.cpp | 9 ++++-----
polly/lib/Transform/MaximalStaticExpansion.cpp | 4 ++--
polly/lib/Transform/ScheduleOptimizer.cpp | 4 ++--
8 files changed, 23 insertions(+), 28 deletions(-)
diff --git a/polly/include/polly/DependenceInfo.h b/polly/include/polly/DependenceInfo.h
index fb7b1740ea25..7526a294c6ba 100644
--- a/polly/include/polly/DependenceInfo.h
+++ b/polly/include/polly/DependenceInfo.h
@@ -332,8 +332,8 @@ namespace llvm {
void initializeDependenceInfoPass(llvm::PassRegistry &);
void initializeDependenceInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoWrapperPassPass(llvm::PassRegistry &);
-void
-initializeDependenceInfoPrinterLegacyFunctionPassPass(llvm::PassRegistry &);
+void initializeDependenceInfoPrinterLegacyFunctionPassPass(
+ llvm::PassRegistry &);
} // namespace llvm
#endif
diff --git a/polly/include/polly/LinkAllPasses.h b/polly/include/polly/LinkAllPasses.h
index a293b7074f3b..a2f8f3329991 100644
--- a/polly/include/polly/LinkAllPasses.h
+++ b/polly/include/polly/LinkAllPasses.h
@@ -138,8 +138,8 @@ void initializeJSONImporterPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoPass(llvm::PassRegistry &);
void initializeDependenceInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeDependenceInfoWrapperPassPass(llvm::PassRegistry &);
-void
-initializeDependenceInfoPrinterLegacyFunctionPassPass(llvm::PassRegistry &);
+void initializeDependenceInfoPrinterLegacyFunctionPassPass(
+ llvm::PassRegistry &);
void initializeIslAstInfoWrapperPassPass(llvm::PassRegistry &);
void initializeIslAstInfoPrinterLegacyPassPass(llvm::PassRegistry &);
void initializeCodeGenerationPass(llvm::PassRegistry &);
diff --git a/polly/lib/Analysis/DependenceInfo.cpp b/polly/lib/Analysis/DependenceInfo.cpp
index 3da6738b6458..69257c603877 100644
--- a/polly/lib/Analysis/DependenceInfo.cpp
+++ b/polly/lib/Analysis/DependenceInfo.cpp
@@ -647,9 +647,8 @@ bool Dependences::isValidSchedule(Scop &S, isl::schedule NewSched) const {
return isValidSchedule(S, NewSchedules);
}
-bool
-Dependences::isValidSchedule(Scop &S,
- const StatementToIslMapTy &NewSchedule) const {
+bool Dependences::isValidSchedule(
+ Scop &S, const StatementToIslMapTy &NewSchedule) const {
if (LegalityCheckDisabled)
return true;
diff --git a/polly/lib/Analysis/ScopBuilder.cpp b/polly/lib/Analysis/ScopBuilder.cpp
index c14b01116ec4..c62cb2a85c83 100644
--- a/polly/lib/Analysis/ScopBuilder.cpp
+++ b/polly/lib/Analysis/ScopBuilder.cpp
@@ -827,9 +827,8 @@ void ScopBuilder::buildInvariantEquivalenceClasses() {
}
}
-bool
-ScopBuilder::buildDomains(Region *R,
- DenseMap<BasicBlock *, isl::set> &InvalidDomainMap) {
+bool ScopBuilder::buildDomains(
+ Region *R, DenseMap<BasicBlock *, isl::set> &InvalidDomainMap) {
bool IsOnlyNonAffineRegion = scop->isNonAffineSubRegion(R);
auto *EntryBB = R->getEntry();
auto *L = IsOnlyNonAffineRegion ? nullptr : LI.getLoopFor(EntryBB);
@@ -3298,9 +3297,8 @@ bool ScopBuilder::buildAliasGroups() {
return true;
}
-bool
-ScopBuilder::buildAliasGroup(AliasGroupTy &AliasGroup,
- DenseSet<const ScopArrayInfo *> HasWriteAccess) {
+bool ScopBuilder::buildAliasGroup(
+ AliasGroupTy &AliasGroup, DenseSet<const ScopArrayInfo *> HasWriteAccess) {
AliasGroupTy ReadOnlyAccesses;
AliasGroupTy ReadWriteAccesses;
SmallPtrSet<const ScopArrayInfo *, 4> ReadWriteArrays;
diff --git a/polly/lib/Analysis/ScopDetection.cpp b/polly/lib/Analysis/ScopDetection.cpp
index 8af4986dc1bb..938d3f149677 100644
--- a/polly/lib/Analysis/ScopDetection.cpp
+++ b/polly/lib/Analysis/ScopDetection.cpp
@@ -978,10 +978,9 @@ bool ScopDetection::hasValidArraySizes(DetectionContext &Context,
// non-affine accesses are allowed, we drop the information. In case the
// information is dropped the memory accesses need to be overapproximated
// when translated to a polyhedral representation.
-bool
-ScopDetection::computeAccessFunctions(DetectionContext &Context,
- const SCEVUnknown *BasePointer,
- std::shared_ptr<ArrayShape> Shape) const {
+bool ScopDetection::computeAccessFunctions(
+ DetectionContext &Context, const SCEVUnknown *BasePointer,
+ std::shared_ptr<ArrayShape> Shape) const {
Value *BaseValue = BasePointer->getValue();
bool BasePtrHasNonAffine = false;
MapInsnToMemAcc TempMemoryAccesses;
@@ -1692,8 +1691,8 @@ bool ScopDetection::hasSufficientCompute(DetectionContext &Context,
return InstCount >= ProfitabilityMinPerLoopInstructions;
}
-bool
-ScopDetection::hasPossiblyDistributableLoop(DetectionContext &Context) const {
+bool ScopDetection::hasPossiblyDistributableLoop(
+ DetectionContext &Context) const {
for (auto *BB : Context.CurRegion.blocks()) {
auto *L = LI.getLoopFor(BB);
if (!Context.CurRegion.contains(L))
diff --git a/polly/lib/CodeGen/IslNodeBuilder.cpp b/polly/lib/CodeGen/IslNodeBuilder.cpp
index 885b5ee9a1fa..a226cc2a1b25 100644
--- a/polly/lib/CodeGen/IslNodeBuilder.cpp
+++ b/polly/lib/CodeGen/IslNodeBuilder.cpp
@@ -831,9 +831,8 @@ void IslNodeBuilder::createSubstitutionsVector(
isl_ast_expr_free(Expr);
}
-void
-IslNodeBuilder::generateCopyStmt(ScopStmt *Stmt,
- __isl_keep isl_id_to_ast_expr *NewAccesses) {
+void IslNodeBuilder::generateCopyStmt(
+ ScopStmt *Stmt, __isl_keep isl_id_to_ast_expr *NewAccesses) {
assert(Stmt->size() == 2);
auto ReadAccess = Stmt->begin();
auto WriteAccess = ReadAccess++;
@@ -1130,8 +1129,8 @@ Value *IslNodeBuilder::preloadInvariantLoad(const MemoryAccess &MA,
return PreloadVal;
}
-bool
-IslNodeBuilder::preloadInvariantEquivClass(InvariantEquivClassTy &IAClass) {
+bool IslNodeBuilder::preloadInvariantEquivClass(
+ InvariantEquivClassTy &IAClass) {
// For an equivalence class of invariant loads we pre-load the representing
// element with the unified execution context. However, we have to map all
// elements of the class to the one preloaded load as they are referenced
diff --git a/polly/lib/Transform/MaximalStaticExpansion.cpp b/polly/lib/Transform/MaximalStaticExpansion.cpp
index de9b9bbc2cf5..e32a69d47f69 100644
--- a/polly/lib/Transform/MaximalStaticExpansion.cpp
+++ b/polly/lib/Transform/MaximalStaticExpansion.cpp
@@ -535,8 +535,8 @@ void MaximalStaticExpanderWrapperPass::printScop(raw_ostream &OS,
S.print(OS, false);
}
-void
-MaximalStaticExpanderWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
+void MaximalStaticExpanderWrapperPass::getAnalysisUsage(
+ AnalysisUsage &AU) const {
ScopPass::getAnalysisUsage(AU);
AU.addRequired<DependenceInfo>();
AU.addRequired<OptimizationRemarkEmitterWrapperPass>();
diff --git a/polly/lib/Transform/ScheduleOptimizer.cpp b/polly/lib/Transform/ScheduleOptimizer.cpp
index 751b073b7f24..8ee2b66339ad 100644
--- a/polly/lib/Transform/ScheduleOptimizer.cpp
+++ b/polly/lib/Transform/ScheduleOptimizer.cpp
@@ -990,8 +990,8 @@ void IslScheduleOptimizerWrapperPass::printScop(raw_ostream &OS, Scop &) const {
runScheduleOptimizerPrinter(OS, LastSchedule);
}
-void
-IslScheduleOptimizerWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
+void IslScheduleOptimizerWrapperPass::getAnalysisUsage(
+ AnalysisUsage &AU) const {
ScopPass::getAnalysisUsage(AU);
AU.addRequired<DependenceInfo>();
AU.addRequired<TargetTransformInfoWrapperPass>();
>From 4b7eeb1885323a94e85ceed9ef1eb45f60e368d5 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Tue, 30 Jan 2024 21:17:33 +1030
Subject: [PATCH 13/14] Revert "Switch LLVMStyle.AlwaysBreakAfterReturnType to
RTBS_AllowShortType."
This reverts commit 0fb332e1d8019ccf184b473e57a9762fdccaf5a0.
---
clang/lib/Format/Format.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 404307e70fe7..a1034ce7c326 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -1454,7 +1454,7 @@ FormatStyle getLLVMStyle(FormatStyle::LanguageKind Language) {
LLVMStyle.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_Never;
LLVMStyle.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
LLVMStyle.AllowShortLoopsOnASingleLine = false;
- LLVMStyle.AlwaysBreakAfterReturnType = FormatStyle::RTBS_AllowShortType;
+ LLVMStyle.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None;
LLVMStyle.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_None;
LLVMStyle.AlwaysBreakBeforeMultilineStrings = false;
LLVMStyle.AlwaysBreakTemplateDeclarations = FormatStyle::BTDS_MultiLine;
>From d7238d4b6f500c2f654d7562858f2a673b8205c1 Mon Sep 17 00:00:00 2001
From: rmarker <rmarker at outlook.com>
Date: Tue, 30 Jan 2024 23:18:12 +1030
Subject: [PATCH 14/14] Add ExceptShortType option for
AlwaysBreakAfterReturnType.
---
clang/docs/ClangFormatStyleOptions.rst | 17 +++++++++++++
clang/docs/ReleaseNotes.rst | 1 +
clang/include/clang/Format/Format.h | 15 ++++++++++++
clang/lib/Format/ContinuationIndenter.cpp | 19 +++++++++------
clang/lib/Format/Format.cpp | 1 +
clang/lib/Format/TokenAnnotator.cpp | 1 +
clang/unittests/Format/ConfigParseTest.cpp | 2 ++
clang/unittests/Format/FormatTest.cpp | 24 +++++++++++++++----
.../unittests/Format/FormatTestSelective.cpp | 3 ++-
9 files changed, 70 insertions(+), 13 deletions(-)
diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
index b60d91c82cdf..bd49751ebdef 100644
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -1566,6 +1566,23 @@ the configuration (without a prefix: ``Auto``).
int
LongName::AnotherLongName();
+ * ``RTBS_ExceptShortType`` (in configuration: ``ExceptShortType``)
+ Break after return type automatically.
+ ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+ This mode will never break after short return types, unlike
+ ``RTBS_None`` which will only sometimes choose not to break after short
+ return types.
+
+ .. code-block:: c++
+
+ class A {
+ int f() { return 0; };
+ };
+ int f();
+ int f() { return 1; }
+ int LongName::
+ AnotherLongName();
+
* ``RTBS_All`` (in configuration: ``All``)
Always break after the return type.
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 56befd7eefb2..cfec986664b1 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -185,6 +185,7 @@ AST Matchers
clang-format
------------
- Add ``AllowShortType`` option for ``AlwaysBreakAfterReturnType``.
+- Add ``ExceptShortType`` option for ``AlwaysBreakAfterReturnType``.
libclang
--------
diff --git a/clang/include/clang/Format/Format.h b/clang/include/clang/Format/Format.h
index 4ede7c19c447..37881c76a4d0 100644
--- a/clang/include/clang/Format/Format.h
+++ b/clang/include/clang/Format/Format.h
@@ -940,6 +940,21 @@ struct FormatStyle {
/// LongName::AnotherLongName();
/// \endcode
RTBS_AllowShortType,
+ /// Break after return type automatically.
+ /// ``PenaltyReturnTypeOnItsOwnLine`` is taken into account.
+ /// This mode will never break after short return types, unlike
+ /// ``RTBS_None`` which will only sometimes choose not to break after short
+ /// return types.
+ /// \code
+ /// class A {
+ /// int f() { return 0; };
+ /// };
+ /// int f();
+ /// int f() { return 1; }
+ /// int LongName::
+ /// AnotherLongName();
+ /// \endcode
+ RTBS_ExceptShortType,
/// Always break after the return type.
/// \code
/// class A {
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 47a2bb02aabb..a3aca4a72531 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -326,14 +326,19 @@ bool ContinuationIndenter::canBreak(const LineState &State) {
return false;
}
- if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None) {
- // Don't break after very short return types (e.g. "void") as that is often
- // unexpected.
- assert(State.Column >= State.FirstIndent);
- if (Current.is(TT_FunctionDeclarationName) &&
- State.Column - State.FirstIndent < 6) {
+ // Don't break after very short return types (e.g. "void") as that is often
+ // unexpected.
+ if (Current.is(TT_FunctionDeclarationName)) {
+ if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_None &&
+ State.Column < 6) {
return false;
}
+
+ if (Style.AlwaysBreakAfterReturnType == FormatStyle::RTBS_ExceptShortType) {
+ assert(State.Column >= State.FirstIndent);
+ if (State.Column - State.FirstIndent < 6)
+ return false;
+ }
}
// If binary operators are moved to the next line (including commas for some
@@ -590,7 +595,7 @@ bool ContinuationIndenter::mustBreak(const LineState &State) {
!State.Line->ReturnTypeWrapped &&
// Don't break before a C# function when no break after return type.
(!Style.isCSharp() ||
- Style.AlwaysBreakAfterReturnType > FormatStyle::RTBS_AllowShortType) &&
+ Style.AlwaysBreakAfterReturnType > FormatStyle::RTBS_ExceptShortType) &&
// Don't always break between a JavaScript `function` and the function
// name.
!Style.isJavaScript() && Previous.isNot(tok::kw_template) &&
diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index a1034ce7c326..f980a9f23e96 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -575,6 +575,7 @@ struct ScalarEnumerationTraits<FormatStyle::ReturnTypeBreakingStyle> {
static void enumeration(IO &IO, FormatStyle::ReturnTypeBreakingStyle &Value) {
IO.enumCase(Value, "None", FormatStyle::RTBS_None);
IO.enumCase(Value, "AllowShortType", FormatStyle::RTBS_AllowShortType);
+ IO.enumCase(Value, "ExceptShortType", FormatStyle::RTBS_ExceptShortType);
IO.enumCase(Value, "All", FormatStyle::RTBS_All);
IO.enumCase(Value, "TopLevel", FormatStyle::RTBS_TopLevel);
IO.enumCase(Value, "TopLevelDefinitions",
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 81d866e8a2f4..3da75ffa936a 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -3433,6 +3433,7 @@ bool TokenAnnotator::mustBreakForReturnType(const AnnotatedLine &Line) const {
switch (Style.AlwaysBreakAfterReturnType) {
case FormatStyle::RTBS_None:
case FormatStyle::RTBS_AllowShortType:
+ case FormatStyle::RTBS_ExceptShortType:
return false;
case FormatStyle::RTBS_All:
case FormatStyle::RTBS_TopLevel:
diff --git a/clang/unittests/Format/ConfigParseTest.cpp b/clang/unittests/Format/ConfigParseTest.cpp
index 8b1b289508a5..13fd75718123 100644
--- a/clang/unittests/Format/ConfigParseTest.cpp
+++ b/clang/unittests/Format/ConfigParseTest.cpp
@@ -699,6 +699,8 @@ TEST(ConfigParseTest, ParsesConfiguration) {
FormatStyle::RTBS_None);
CHECK_PARSE("AlwaysBreakAfterReturnType: AllowShortType",
AlwaysBreakAfterReturnType, FormatStyle::RTBS_AllowShortType);
+ CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
+ AlwaysBreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
CHECK_PARSE("AlwaysBreakAfterReturnType: All", AlwaysBreakAfterReturnType,
FormatStyle::RTBS_All);
CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel",
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index bd0fc45cee9f..5a7209b5d6a5 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -9874,8 +9874,8 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
verifyFormat("class A {\n"
" int f() { return 1; }\n"
" int g();\n"
- " long foooooooooooooooooooooooooooo::\n"
- " baaaaaaaaaaaaaaaaaaaar();\n"
+ " long\n"
+ " foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaar();\n"
"};\n"
"int f() { return 1; }\n"
"int g();\n"
@@ -9897,6 +9897,20 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
"foooooooooooooooooooooooooooo::baaaaaaaaaaaaaaaaaaaaar();",
Style);
+ // It now must never break after a short return type.
+ Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_ExceptShortType;
+ verifyFormat("class A {\n"
+ " int f() { return 1; }\n"
+ " int g();\n"
+ " long foooooooooooooooooooooooooooo::\n"
+ " baaaaaaaaaaaaaaaaaaaar();\n"
+ "};\n"
+ "int f() { return 1; }\n"
+ "int g();\n"
+ "int foooooooooooooooooooooooooooo::\n"
+ " baaaaaaaaaaaaaaaaaaaaar();",
+ Style);
+
// All declarations and definitions should have the return type moved to its
// own line.
Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_All;
@@ -14384,9 +14398,9 @@ TEST_F(FormatTest, SplitEmptyFunctionButNotRecord) {
" bbbbbbbbbbbbbbbbbbb()\n"
" {\n"
" }\n"
- " void m(\n"
- " int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
- " int bbbbbbbbbbbbbbbbbbbbbbbb)\n"
+ " void\n"
+ " m(int aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
+ " int bbbbbbbbbbbbbbbbbbbbbbbb)\n"
" {\n"
" }\n"
"};",
diff --git a/clang/unittests/Format/FormatTestSelective.cpp b/clang/unittests/Format/FormatTestSelective.cpp
index 43de93d219b1..c21c9bfe6079 100644
--- a/clang/unittests/Format/FormatTestSelective.cpp
+++ b/clang/unittests/Format/FormatTestSelective.cpp
@@ -522,7 +522,8 @@ TEST_F(FormatTestSelective, ReformatRegionAdjustsIndent) {
Style.ColumnLimit = 11;
EXPECT_EQ(" int a;\n"
- " void ffffff() {\n"
+ " void\n"
+ " ffffff() {\n"
" }",
format(" int a;\n"
"void ffffff() {}",
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