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-rw-r--r--clang/docs/UsersManual.rst2
-rw-r--r--clang/include/clang/Driver/CLCompatOptions.td12
-rw-r--r--clang/lib/Driver/Tools.cpp20
-rw-r--r--clang/test/Driver/cl-options.c7
4 files changed, 8 insertions, 33 deletions
diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst
index ca2be4b46e8..b50989471da 100644
--- a/clang/docs/UsersManual.rst
+++ b/clang/docs/UsersManual.rst
@@ -2173,7 +2173,7 @@ Execute ``clang-cl /?`` to see a list of supported options:
/W1 Enable -Wall
/W2 Enable -Wall
/W3 Enable -Wall
- /W4 Enable -Wall and -Wextra
+ /W4 Enable -Wall
/Wall Enable -Wall
/WX- Do not treat warnings as errors
/WX Treat warnings as errors
diff --git a/clang/include/clang/Driver/CLCompatOptions.td b/clang/include/clang/Driver/CLCompatOptions.td
index e1590eede78..a8282b46e05 100644
--- a/clang/include/clang/Driver/CLCompatOptions.td
+++ b/clang/include/clang/Driver/CLCompatOptions.td
@@ -115,12 +115,12 @@ def _SLASH_showIncludes : CLFlag<"showIncludes">,
Alias<show_includes>;
def _SLASH_U : CLJoinedOrSeparate<"U">, HelpText<"Undefine macro">,
MetaVarName<"<macro>">, Alias<U>;
-def _SLASH_W0 : CLFlag<"W0">, HelpText<"Disable all warnings">;
-def _SLASH_W1 : CLFlag<"W1">, HelpText<"Enable -Wall">;
-def _SLASH_W2 : CLFlag<"W2">, HelpText<"Enable -Wall">;
-def _SLASH_W3 : CLFlag<"W3">, HelpText<"Enable -Wall">;
-def _SLASH_W4 : CLFlag<"W4">, HelpText<"Enable -Wall and -Wextra">;
-def _SLASH_Wall : CLFlag<"Wall">, HelpText<"Enable -Wall">;
+def _SLASH_W0 : CLFlag<"W0">, HelpText<"Disable all warnings">, Alias<w>;
+def _SLASH_W1 : CLFlag<"W1">, HelpText<"Enable -Wall">, Alias<Wall>;
+def _SLASH_W2 : CLFlag<"W2">, HelpText<"Enable -Wall">, Alias<Wall>;
+def _SLASH_W3 : CLFlag<"W3">, HelpText<"Enable -Wall">, Alias<Wall>;
+def _SLASH_W4 : CLFlag<"W4">, HelpText<"Enable -Wall">, Alias<Wall>;
+def _SLASH_Wall : CLFlag<"Wall">, HelpText<"Enable -Wall">, Alias<Wall>;
def _SLASH_WX : CLFlag<"WX">, HelpText<"Treat warnings as errors">,
Alias<W_Joined>, AliasArgs<["error"]>;
def _SLASH_WX_ : CLFlag<"WX-">, HelpText<"Do not treat warnings as errors">,
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 490b009e8ea..c53a016be56 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -5684,26 +5684,6 @@ void Clang::AddClangCLArgs(const ArgList &Args, ArgStringList &CmdArgs,
else
CmdArgs.push_back("msvc");
}
-
- if (Arg *A =
- Args.getLastArg(options::OPT__SLASH_W0, options::OPT__SLASH_W1,
- options::OPT__SLASH_W2, options::OPT__SLASH_W3,
- options::OPT__SLASH_W4, options::OPT__SLASH_Wall)) {
- switch (A->getOption().getID()) {
- case options::OPT__SLASH_W0:
- CmdArgs.push_back("-w");
- break;
- case options::OPT__SLASH_W4:
- CmdArgs.push_back("-Wextra");
- // Fallthrough.
- case options::OPT__SLASH_W1:
- case options::OPT__SLASH_W2:
- case options::OPT__SLASH_W3:
- case options::OPT__SLASH_Wall:
- CmdArgs.push_back("-Wall");
- break;
- }
- }
}
visualstudio::Compiler *Clang::getCLFallback() const {
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index c21d104ad99..180b15ead39 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -173,15 +173,10 @@
// RUN: %clang_cl /W1 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /W2 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /W3 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
+// RUN: %clang_cl /W4 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /Wall -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// W1: -Wall
-// RUN: %clang_cl /W4 -### -- %s 2>&1 | FileCheck -check-prefix=W4 %s
-// W4: -Wextra
-// W4: -Wall
-// RUN: %clang_cl /W4 /W1 -### -- %s 2>&1 | FileCheck -check-prefix=W4W1 %s
-// W4W1-NOT: -Wextra
-
// RUN: %clang_cl /WX -### -- %s 2>&1 | FileCheck -check-prefix=WX %s
// WX: -Werror
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