Enable -Wcovered-switch-default as it matches the switch style used in llvm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151609 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Makefile.config.in b/Makefile.config.in
index b565bb44f7cbb5b87f6dbe6b2c671e44caaa02a5..7b9af41403ee3630fb5c8ac1785f111f89b91042 100644 (file)
--- a/Makefile.config.in
+++ b/Makefile.config.in
@@ -337,6 +337,8 @@ BINUTILS_INCDIR := @BINUTILS_INCDIR@
 NO_MISSING_FIELD_INITIALIZERS = @NO_MISSING_FIELD_INITIALIZERS@
 # -Wno-variadic-macros
 NO_VARIADIC_MACROS = @NO_VARIADIC_MACROS@
+# -Wcovered-switch-default
+COVERED_SWITCH_DEFAULT = @COVERED_SWITCH_DEFAULT@
 
 # Was polly found in tools/polly?
 LLVM_HAS_POLLY = @LLVM_HAS_POLLY@

diff --git a/Makefile.rules b/Makefile.rules
index a1edb6b7dd835c1c4ab0d77721e5e3fe31606821..a56f26edb3578b41288db85d6560919e3df05822 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -650,7 +650,7 @@ ifndef NO_PEDANTIC
 CompileCommonOpts += -pedantic -Wno-long-long
 endif
 CompileCommonOpts += -Wall -W -Wno-unused-parameter -Wwrite-strings \
-                     $(EXTRA_OPTIONS)
+                     $(EXTRA_OPTIONS) $(COVERED_SWITCH_DEFAULT)
 # Enable cast-qual for C++; the workaround is to use const_cast.
 CXX.Flags += -Wcast-qual
 

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 3a86531a9d9aeb80f49a0d828b6dc40e1f841201..b28508e67c4b3fe3a4f1dd0c97197b54de18fea4 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -1115,7 +1115,8 @@ dnl Check optional compiler flags.
 AC_MSG_CHECKING([optional compiler flags])
 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
-AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
+CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
 
 dnl===-----------------------------------------------------------------------===
 dnl===

diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index 496e8b3f5466467565295684ea5af9b54b92b6b6..afe43472fb71108baa2a20c93c4be44559ce46ba 100644 (file)
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -182,6 +182,10 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
     if (LLVM_ENABLE_PEDANTIC)
       add_llvm_definitions( -pedantic -Wno-long-long )
     endif (LLVM_ENABLE_PEDANTIC)
+    check_cxx_compiler_flag("-Wcovered-switch-default" SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG)
+    if( SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG )
+      add_llvm_definitions( -Wcovered-switch-default )
+    endif()
   endif (LLVM_ENABLE_WARNINGS)
   if (LLVM_ENABLE_WERROR)
     add_llvm_definitions( -Werror )

diff --git a/configure b/configure
index e25edc43659fc1a566db646c43a590676d7574a6..6cd0db887000c93287a1b77526b0024ab4075ca9 100755 (executable)
--- a/configure
+++ b/configure
@@ -765,6 +765,7 @@ CONVENIENCE_LTDL_FALSE
 LIBADD_DL
 NO_VARIADIC_MACROS
 NO_MISSING_FIELD_INITIALIZERS
+COVERED_SWITCH_DEFAULT
 USE_UDIS86
 USE_OPROFILE
 HAVE_PTHREAD
@@ -10463,7 +10464,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10466 "configure"
+#line 10467 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12222,8 +12223,10 @@ NO_VARIADIC_MACROS=`$CXX -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev
 
 NO_MISSING_FIELD_INITIALIZERS=`$CXX -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers`
 
-{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&5
-echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&6; }
+COVERED_SWITCH_DEFAULT=`$CXX -Wcovered-switch-default -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wcovered-switch-default`
+
+{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&5
+echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&6; }
 
 
 
@@ -21974,6 +21977,7 @@ CONVENIENCE_LTDL_FALSE!$CONVENIENCE_LTDL_FALSE$ac_delim
 LIBADD_DL!$LIBADD_DL$ac_delim
 NO_VARIADIC_MACROS!$NO_VARIADIC_MACROS$ac_delim
 NO_MISSING_FIELD_INITIALIZERS!$NO_MISSING_FIELD_INITIALIZERS$ac_delim
+COVERED_SWITCH_DEFAULT!$COVERED_SWITCH_DEFAULT$ac_delim
 USE_UDIS86!$USE_UDIS86$ac_delim
 USE_OPROFILE!$USE_OPROFILE$ac_delim
 HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim
@@ -22001,7 +22005,7 @@ LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 92; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5

diff --git a/projects/sample/Makefile.llvm.config.in b/projects/sample/Makefile.llvm.config.in
index a53e7b165bb64e156d669caf9325b5742bcb6f03..9e0c34ca684652e6e36ad1d6e5a11bcf4d86125e 100644 (file)
--- a/projects/sample/Makefile.llvm.config.in
+++ b/projects/sample/Makefile.llvm.config.in
@@ -301,6 +301,8 @@ BINUTILS_INCDIR := @BINUTILS_INCDIR@
 NO_MISSING_FIELD_INITIALIZERS = @NO_MISSING_FIELD_INITIALIZERS@
 # -Wno-variadic-macros
 NO_VARIADIC_MACROS = @NO_VARIADIC_MACROS@
+# -Wcovered-switch-default
+COVERED_SWITCH_DEFAULT = @COVERED_SWITCH_DEFAULT@
 
 # Was polly found in tools/polly?
 LLVM_HAS_POLLY = @LLVM_HAS_POLLY@

diff --git a/projects/sample/Makefile.llvm.rules b/projects/sample/Makefile.llvm.rules
index f496bd4bc6f2fa647ed9a291ee3151b367094ae8..7467d84fcd21b766fe80e6abaa2866aa55efe464 100644 (file)
--- a/projects/sample/Makefile.llvm.rules
+++ b/projects/sample/Makefile.llvm.rules
@@ -571,7 +571,7 @@ ifndef NO_PEDANTIC
 CompileCommonOpts += -pedantic -Wno-long-long
 endif
 CompileCommonOpts += -Wall -W -Wno-unused-parameter -Wwrite-strings \
-                     $(EXTRA_OPTIONS)
+                     $(EXTRA_OPTIONS) $(COVERED_SWITCH_DEFAULT)
 # Enable cast-qual for C++; the workaround is to use const_cast.
 CXX.Flags += -Wcast-qual
 

diff --git a/projects/sample/autoconf/configure.ac b/projects/sample/autoconf/configure.ac
index 1caff5111295779168e8078eab9dbf1cc263e308..a1110ec6a2cf11989a8e77b5158cfc556322e39b 100644 (file)
--- a/projects/sample/autoconf/configure.ac
+++ b/projects/sample/autoconf/configure.ac
@@ -1019,7 +1019,8 @@ dnl Check optional compiler flags.
 AC_MSG_CHECKING([optional compiler flags])
 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
-AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
+CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
 
 dnl===-----------------------------------------------------------------------===
 dnl===

diff --git a/projects/sample/configure b/projects/sample/configure
index dab1dc5d5a670dfe2fd87c354334cd63c1857fb0..052a7f2909187043c062dd77f02698fc2dca62a9 100755 (executable)
--- a/projects/sample/configure
+++ b/projects/sample/configure
@@ -762,6 +762,7 @@ CONVENIENCE_LTDL_FALSE
 LIBADD_DL
 NO_VARIADIC_MACROS
 NO_MISSING_FIELD_INITIALIZERS
+COVERED_SWITCH_DEFAULT
 USE_UDIS86
 USE_OPROFILE
 HAVE_PTHREAD
@@ -10365,7 +10366,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10368 "configure"
+#line 10369 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12124,8 +12125,10 @@ NO_VARIADIC_MACROS=`$CXX -Wno-variadic-macros -fsyntax-only -xc /dev/null 2>/dev
 
 NO_MISSING_FIELD_INITIALIZERS=`$CXX -Wno-missing-field-initializers -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wno-missing-field-initializers`
 
-{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&5
-echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS" >&6; }
+COVERED_SWITCH_DEFAULT=`$CXX -Wcovered-switch-default -fsyntax-only -xc /dev/null 2>/dev/null && echo -Wcovered-switch-default`
+
+{ echo "$as_me:$LINENO: result: $NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&5
+echo "${ECHO_T}$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT" >&6; }
 
 
 
@@ -21816,6 +21819,7 @@ CONVENIENCE_LTDL_FALSE!$CONVENIENCE_LTDL_FALSE$ac_delim
 LIBADD_DL!$LIBADD_DL$ac_delim
 NO_VARIADIC_MACROS!$NO_VARIADIC_MACROS$ac_delim
 NO_MISSING_FIELD_INITIALIZERS!$NO_MISSING_FIELD_INITIALIZERS$ac_delim
+COVERED_SWITCH_DEFAULT!$COVERED_SWITCH_DEFAULT$ac_delim
 USE_UDIS86!$USE_UDIS86$ac_delim
 USE_OPROFILE!$USE_OPROFILE$ac_delim
 HAVE_PTHREAD!$HAVE_PTHREAD$ac_delim
@@ -21843,7 +21847,7 @@ LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 90; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 91; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5