m-labs · Aug 25, 2011 · Aug 25, 2011 · Aug 25, 2011 · Aug 25, 2011 · Aug 25, 2011
Showing 860 changed files with 32,476 additions and 23,957 deletions.
diff --git a/CREDITS.TXT b/CREDITS.TXT
@@ -32,6 +32,10 @@ E: dberlin@dberlin.org
 D: ET-Forest implementation.
 D: Sparse bitmap
 
+N: David Blaikie
+E: dblaikie@gmail.com
+D: General bug fixing/fit & finish, mostly in Clang
+
 N: Neil Booth
 E: neil@daikokuya.co.uk
 D: APFloat implementation.
@@ -278,6 +282,8 @@ N: Jakob Stoklund Olesen
 E: stoklund@2pi.dk
 D: Machine code verifier
 D: Blackfin backend
+D: Fast register allocator
+D: Greedy register allocator
 
 N: Richard Osborne
 E: richard@xmos.com

diff --git a/Makefile b/Makefile
@@ -187,8 +187,7 @@ FilesToConfig := \
   include/llvm/Config/AsmPrinters.def \
   include/llvm/Config/AsmParsers.def \
   include/llvm/Config/Disassemblers.def \
-  include/llvm/Support/DataTypes.h \
-  tools/llvmc/src/Base.td
+  include/llvm/Support/DataTypes.h
 FilesToConfigPATH  := $(addprefix $(LLVM_OBJ_ROOT)/,$(FilesToConfig))
 
 all-local:: $(FilesToConfigPATH)

diff --git a/Makefile.config.in b/Makefile.config.in
@@ -188,30 +188,6 @@ LIBS       := @LIBS@
 # Targets that we should build
 TARGETS_TO_BUILD=@TARGETS_TO_BUILD@
 
-# Path to location for LLVM C/C++ front-end. You can modify this if you
-# want to override the value set by configure.
-LLVMGCCDIR := @LLVMGCCDIR@
-
-# Full pathnames of LLVM C/C++ front-end 'cc1' and 'cc1plus' binaries:
-LLVMGCC  := @LLVMGCC@
-LLVMGXX  := @LLVMGXX@
-LLVMCC1  := @LLVMCC1@
-LLVMCC1PLUS := @LLVMCC1PLUS@
-LLVMGCC_LANGS := @LLVMGCC_LANGS@
-LLVMGCC_DRAGONEGG := @LLVMGCC_DRAGONEGG@
-
-# Information on Clang, if configured.
-CLANGPATH := @CLANGPATH@
-CLANGXXPATH := @CLANGXXPATH@
-ENABLE_BUILT_CLANG := @ENABLE_BUILT_CLANG@
-
-# The LLVM capable compiler to use.
-LLVMCC_OPTION := @LLVMCC_OPTION@
-
-# The flag used to emit LLVM IR.
-LLVMCC_EMITIR_FLAG = @LLVMCC_EMITIR_FLAG@
-LLVMCC_DISABLEOPT_FLAGS := @LLVMCC_DISABLEOPT_FLAGS@
-
 # Path to directory where object files should be stored during a build.
 # Set OBJ_ROOT to "." if you do not want to use a separate place for
 # object files.

diff --git a/Makefile.rules b/Makefile.rules
@@ -190,19 +190,6 @@ uninstall:: uninstall-local
 install-local:: all-local
 install-bytecode:: install-bytecode-local
 
-###############################################################################
-# LLVMC: Provide rules for compiling llvmc-based driver
-###############################################################################
-
-ifdef LLVMC_BASED_DRIVER
-
-TOOLNAME = $(LLVMC_BASED_DRIVER)
-
-LLVMLIBS = CompilerDriver.a
-LINK_COMPONENTS = support
-
-endif # LLVMC_BASED_DRIVER
-
 ###############################################################################
 # VARIABLES: Set up various variables based on configuration data
 ###############################################################################
@@ -1686,10 +1673,6 @@ ifdef TARGET
 TABLEGEN_INC_FILES_COMMON = 1
 endif
 
-ifdef LLVMC_BASED_DRIVER
-TABLEGEN_INC_FILES_COMMON = 1
-endif
-
 ifdef TABLEGEN_INC_FILES_COMMON
 
 INCFiles := $(filter %.inc,$(BUILT_SOURCES))
@@ -1805,27 +1788,6 @@ clean-local::
 
 endif # TARGET
 
-ifdef LLVMC_BASED_DRIVER
-
-TDSrc := $(sort $(strip $(wildcard $(PROJ_SRC_DIR)/*.td)) \
-		$(strip $(wildcard $(PROJ_OBJ_DIR)/*.td)))
-
-TDCommon := $(strip $(wildcard \
-		$(LLVM_SRC_ROOT)/include/llvm/CompilerDriver/*.td))
-
-TDFiles := $(TDSrc) $(TDCommon)
-
-$(INCTMPFiles) : $(TBLGEN) $(TDFiles)
-
-$(ObjDir)/%.inc.tmp: %.td $(ObjDir)/.dir
-	$(Echo) "Building LLVMC compilation graph description with tblgen"
-	$(Verb) $(TableGen) -gen-llvmc -o $(call SYSPATH, $@) $<
-
-clean-local::
-	-$(Verb) $(RM) -f $(INCFiles)
-
-endif # LLVMC_BASED_DRIVER
-
 ###############################################################################
 # OTHER RULES: Other rules needed
 ###############################################################################

diff --git a/README.txt b/README.txt
@@ -13,4 +13,3 @@ assistance with LLVM.
 
 If you're writing a package for LLVM, see docs/Packaging.html for our
 suggestions.
-
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
@@ -58,6 +58,12 @@ if test ${srcdir} != "." ; then
   fi
 fi
 
+dnl We need to check for the compiler up here to avoid anything else
+dnl starting with a different one.
+AC_PROG_CC(clang llvm-gcc gcc)
+AC_PROG_CXX(clang++ llvm-g++ g++)
+AC_PROG_CPP
+
 dnl Configure all of the projects present in our source tree. While we could
 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
@@ -722,97 +728,6 @@ esac
 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
                    [Define if CBE is enabled for printf %a output])
 
-dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
-AC_ARG_WITH(llvmgccdir,
-  AS_HELP_STRING([--with-llvmgccdir],
-    [Specify location of llvm-gcc install dir (default searches PATH)]),,
-    withval=default)
-case "$withval" in
-  default) WITH_LLVMGCCDIR=default ;;
-  /* | [[A-Za-z]]:[[\\/]]*)      WITH_LLVMGCCDIR=$withval ;;
-  *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
-esac
-
-dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
-AC_ARG_WITH(llvmgcc,
-  AS_HELP_STRING([--with-llvmgcc],
-    [Specify location of llvm-gcc driver (default searches PATH)]),
-    LLVMGCC=$with_llvmgcc
-      WITH_LLVMGCCDIR="",)
-
-dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
-AC_ARG_WITH(llvmgxx,
-  AS_HELP_STRING([--with-llvmgxx],
-    [Specify location of llvm-g++ driver (default searches PATH)]),
-    LLVMGXX=$with_llvmgxx
-    WITH_LLVMGCCDIR="",)
-
-if test -n "$LLVMGCC"; then
-   LLVMGCCCOMMAND="$LLVMGCC"
-fi
-
-if test -n "$LLVMGXX"; then
-   LLVMGXXCOMMAND="$LLVMGXX"
-fi
-
-if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
-   AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
-fi
-
-if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
-   AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
-fi
-
-dnl Allow a specific Clang compiler to be used with this LLVM config.
-AC_ARG_WITH(clang,
-  AS_HELP_STRING([--with-clang],
-    [Specify location of clang compiler (default is --with-built-clang)]),
-    [],[with_clang=default])
-
-dnl Enable use of the built Clang.
-AC_ARG_WITH(built-clang,
-  AS_HELP_STRING([--with-built-clang],
-    [Use the compiled Clang as the LLVM compiler (default=check)]),
-    [],[with_built_clang=check])
-
-dnl Select the Clang compiler option.
-dnl
-dnl If --with-clang is given, always honor that; otherwise honor
-dnl --with-built-clang, or check if we have the clang sources.
-AC_MSG_CHECKING([clang compiler])
-WITH_CLANGPATH=""
-WITH_BUILT_CLANG=0
-if test "$with_clang" != "default"; then
-   WITH_CLANGPATH="$with_clang"
-   if ! test -x "$WITH_CLANGPATH"; then
-     AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
-   fi
-elif test "$with_built_clang" = "yes"; then
-   WITH_BUILT_CLANG=1
-elif test "$with_built_clang" = "no"; then
-   WITH_BUILT_CLANG=0
-else
-   if test "$with_built_clang" != "check"; then
-      AC_MSG_ERROR([invalid value for --with-built-clang.])
-   fi
-
-   if test -f ${srcdir}/tools/clang/README.txt; then
-     WITH_BUILT_CLANG=1
-   fi
-fi
-
-if ! test -z "$WITH_CLANGPATH"; then
-   AC_MSG_RESULT([$WITH_CLANGPATH])
-   WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
-elif test "$WITH_BUILT_CLANG" = "1"; then
-   AC_MSG_RESULT([built])
-else
-   AC_MSG_RESULT([none])
-fi
-AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
-AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
-AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
-
 dnl Override the option to use for optimized builds.
 AC_ARG_WITH(optimize-option,
   AS_HELP_STRING([--with-optimize-option],
@@ -969,11 +884,6 @@ dnl=== SECTION 4: Check for programs we need and that they are the right version
 dnl===
 dnl===-----------------------------------------------------------------------===
 
-dnl Check for compilation tools
-AC_PROG_CPP
-AC_PROG_CC(gcc)
-AC_PROG_CXX(g++)
-
 AC_PROG_NM
 AC_SUBST(NM)
 
@@ -1145,55 +1055,6 @@ dnl libtool).
 AC_LIBTOOL_DLOPEN
 AC_LIB_LTDL
 
-if test "$WITH_LLVMGCCDIR" = "default" ; then
-  LLVMGCC="llvm-gcc${EXEEXT}"
-  LLVMGXX="llvm-g++${EXEEXT}"
-  LLVMGCCCOMMAND="$LLVMGCC"
-  LLVMGXXCOMMAND="$LLVMGXX"
-  AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
-  AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
-  AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
-  AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
-else
-  if test -z "$LLVMGCC"; then
-    LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
-    LLVMGCCCOMMAND="$LLVMGCC"
-  fi
-  if test -z "$LLVMGXX"; then
-    LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
-    LLVMGXXCOMMAND="$LLVMGXX"
-  fi
-
-  AC_SUBST(LLVMGCC,$LLVMGCC)
-  AC_SUBST(LLVMGXX,$LLVMGXX)
-  AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
-  AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
-fi
-
-dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
-dnl found, otherwise clang if available.
-AC_ARG_WITH(llvmcc,
-  AS_HELP_STRING([--with-llvmcc=<name>],
-    [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
-    [],[with_llvmcc=check])
-AC_MSG_CHECKING([LLVM capable compiler])
-if test "$with_llvmcc" != "check"; then
-   if (test "$with_llvmcc" != "llvm-gcc" &&
-       test "$with_llvmcc" != "clang" &&
-       test "$with_llvmcc" != "none"); then
-      AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
-   fi
-   WITH_LLVMCC="$with_llvmcc"
-elif test -n "$LLVMGCC"; then
-   WITH_LLVMCC=llvm-gcc
-elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
-   WITH_LLVMCC=clang
-else
-   WITH_LLVMCC=none
-fi
-AC_MSG_RESULT([$WITH_LLVMCC])
-AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
-
 AC_MSG_CHECKING([tool compatibility])
 
 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
@@ -1518,9 +1379,9 @@ AC_LINK_IFELSE(
     ]]),
   AC_LANG_POP([C++])
   AC_MSG_RESULT(yes)
-  AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
+  AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
   AC_MSG_RESULT(no)
-  AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
+  AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
   AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
 
 dnl===-----------------------------------------------------------------------===
@@ -1539,63 +1400,9 @@ if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
   fi
 fi
 
-dnl Check, whether __dso_handle is present
+dnl Check whether __dso_handle is present
 AC_CHECK_FUNCS([__dso_handle])
 
-dnl Check wether llvm-gcc is based on dragonegg
-AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
-[llvm_cv_llvmgcc_dragonegg="no"
-if test -n "$LLVMGCC" ; then
-  cp /dev/null conftest.c
-  $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
-  if test $? -eq 0 ; then
-    llvm_cv_llvmgcc_dragonegg="yes"
-  fi
-  rm conftest.c
-fi])
-
-dnl Set the flags needed to emit LLVM IR and to disable optimizations
-dnl in llvmgcc
-if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
-  LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
-  LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
-else
-  LLVMCC_EMITIR_FLAG="-emit-llvm"
-  LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
-fi
-
-AC_SUBST(LLVMCC_EMITIR_FLAG)
-
-dnl See if the llvm-gcc executable can compile to LLVM assembly
-AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
-[llvm_cv_llvmgcc_sanity="no"
-if test -n "$LLVMGCC" ; then
-  cp /dev/null conftest.c
-  $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
-      grep 'target datalayout =' > /dev/null 2>&1
-  if test $? -eq 0 ; then
-    llvm_cv_llvmgcc_sanity="yes"
-  fi
-  rm conftest.c
-fi])
-
-dnl Since we have a sane llvm-gcc, identify it and its sub-tools
-dnl Furthermore, add some information about the tools
-if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
-  AC_MSG_CHECKING([llvm-gcc component support])
-  llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
-  AC_SUBST(LLVMCC1,$llvmcc1path)
-  llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
-  AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
-  llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
-  AC_SUBST(LLVMGCCDIR,$llvmgccdir)
-  llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
-  AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
-  AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
-  AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
-  AC_MSG_RESULT([ok])
-fi
-
 dnl Propagate the shared library extension that the libltdl checks did to
 dnl the Makefiles so we can use it there too
 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
@@ -1759,9 +1566,6 @@ if test -f ${srcdir}/tools/clang/README.txt; then
   AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
 fi
 
-dnl Configure llvmc's Base plugin
-AC_CONFIG_FILES([tools/llvmc/src/Base.td])
-
 dnl Do the first stage of configuration for llvm-config.in.
 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
 

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
@@ -272,7 +272,7 @@ else()
   unset(HAVE_FFI_CALL CACHE)
 endif( LLVM_ENABLE_FFI )
 
-# Define LLVM_MULTITHREADED if gcc atomic builtins exists.
+# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported.
 include(CheckAtomic)
 
 if( LLVM_ENABLE_PIC )
Original file line number	Diff line number	Diff line change
		@@ -13,4 +13,3 @@ assistance with LLVM.

		If you're writing a package for LLVM, see docs/Packaging.html for our
		suggestions.