CombinerAA is now reordering these stores.

[oota-llvm.git] / Makefile.rules

diff --git a/Makefile.rules b/Makefile.rules
index 41b5638e82fbcc7592a8e9fd94075e98cd1e3aff..ee17b999fb420c5952fc3d7b36ac1ac38c5f17f3 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -161,9 +161,13 @@ endif
 # If the Makefile in the source tree has been updated, copy it over into the
 # build tree. But, only do this if the source and object makefiles differ
 #------------------------------------------------------------------------
+ifndef PROJ_MAKEFILE
+PROJ_MAKEFILE := $(PROJ_SRC_DIR)/Makefile
+endif
+
 ifneq ($(PROJ_OBJ_DIR),$(PROJ_SRC_DIR))
 
-Makefile: $(PROJ_SRC_DIR)/Makefile $(ExtraMakefiles)
+Makefile: $(PROJ_MAKEFILE) $(ExtraMakefiles)
        $(Echo) "Updating Makefile"
        $(Verb) $(MKDIR) $(@D)
        $(Verb) $(CP) -f $< $@
@@ -171,7 +175,7 @@ Makefile: $(PROJ_SRC_DIR)/Makefile $(ExtraMakefiles)
 # Copy the Makefile.* files unless we're in the root directory which avoids
 # the copying of Makefile.config.in or other things that should be explicitly
 # taken care of.
-$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_SRC_DIR)/Makefile%
+$(PROJ_OBJ_DIR)/Makefile% : $(PROJ_MAKEFILE)%
        @case '$?' in \
           *Makefile.rules) ;; \
           *.in) ;; \
@@ -890,10 +894,13 @@ LLVMUsedLibs    := $(patsubst %.a.o, lib%.a, $(addsuffix .o, $(LLVMLIBS)))
 LLVMLibsPaths   := $(addprefix $(LLVMLibDir)/,$(LLVMUsedLibs))
 endif
 
-# Win32.DLL may refer to other components.
-ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+# Loadable module for Win32 requires all symbols resolved for linking.
+# Then all symbols in LLVM.dll will be available.
+ifeq ($(ENABLE_SHARED),1)
   ifdef LOADABLE_MODULE
-    LINK_COMPONENTS := all
+    ifneq (,$(filter $(HOST_OS),Cygwin MingW))
+      LINK_COMPONENTS += all
+    endif
   endif
 endif
 
@@ -961,30 +968,9 @@ $(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
 clean-local::
        -$(Verb) $(RM) -f $(NativeExportsFile)
 else
-NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
-endif
-endif
-
-# Now add the linker command-line options to use the native export file.
-
-ifeq ($(HOST_OS),Darwin)
-LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
-endif
-
-# GNU ld Win32 accepts .DEF files that contain "DATA" entries.
-# This doesn't work when cross-compiling, though.
 ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
-ifneq ($(LLVM_CROSS_COMPILING),1)
-HAVE_WIN32_GNU_LD=1
-endif
-endif
-
-ifeq ($(HAVE_WIN32_GNU_LD),1)
+# GNU ld Win32 accepts .DEF files that contain "DATA" entries.
 NativeExportsFile := $(ObjDir)/$(notdir $(EXPORTED_SYMBOL_FILE:.exports=.def))
-
-# LLVMLibsOptions is invalidated at processing tools/llvm-shlib.
-SharedLinkOptions += $(NativeExportsFile)
-
 $(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
        $(Echo) Generating $(notdir $@)
        $(Verb) $(ECHO) "EXPORTS" > $@
@@ -992,12 +978,28 @@ $(NativeExportsFile): $(EXPORTED_SYMBOL_FILE) $(ObjDir)/.dir
 clean-local::
        -$(Verb) $(RM) -f $(NativeExportsFile)
 else
+# Default behavior: just use the exports file verbatim.
+NativeExportsFile := $(EXPORTED_SYMBOL_FILE)
+endif
+endif
+endif
+
+# Now add the linker command-line options to use the native export file.
+
+# Darwin
+ifeq ($(HOST_OS),Darwin)
+LLVMLibsOptions += -Wl,-exported_symbols_list,$(NativeExportsFile)
+endif
 
 # gold, bfd ld, etc.
 ifeq ($(HAVE_LINK_VERSION_SCRIPT),1)
 LLVMLibsOptions += -Wl,--version-script,$(NativeExportsFile)
 endif
 
+# Windows
+ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+# LLVMLibsOptions is invalidated at processing tools/llvm-shlib.
+SharedLinkOptions += $(NativeExportsFile)
 endif
 
 endif
@@ -1323,6 +1325,18 @@ endif
 endif
 endif
 
+#---------------------------------------------------------
+# Tool Order File Support
+#---------------------------------------------------------
+
+ifeq ($(HOST_OS),Darwin)
+ifdef TOOL_ORDER_FINE
+
+LD.Flags += -Wl,-order_file,$(TOOL_ORDER_FILE)
+
+endif
+endif
+
 #---------------------------------------------------------
 # Tool Version Info Support
 #---------------------------------------------------------
@@ -1441,27 +1455,27 @@ DEPEND_OPTIONS = -MMD -MP -MF "$(ObjDir)/$*.d.tmp" \
 DEPEND_MOVEFILE = then $(MV) -f "$(ObjDir)/$*.d.tmp" "$(ObjDir)/$*.d"; \
                   else $(RM) "$(ObjDir)/$*.d.tmp"; exit 1; fi
 
-$(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile
+$(ObjDir)/%.o: %.cpp $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE)
        $(Echo) "Compiling $*.cpp for $(BuildMode) build" $(PIC_FLAG)
        $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
                $(DEPEND_MOVEFILE)
 
-$(ObjDir)/%.o: %.mm $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile
+$(ObjDir)/%.o: %.mm $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE)
        $(Echo) "Compiling $*.mm for $(BuildMode) build" $(PIC_FLAG)
        $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
                $(DEPEND_MOVEFILE)
 
-$(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile
+$(ObjDir)/%.o: %.cc $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE)
        $(Echo) "Compiling $*.cc for $(BuildMode) build" $(PIC_FLAG)
        $(Verb) if $(Compile.CXX) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
                $(DEPEND_MOVEFILE)
 
-$(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile
+$(ObjDir)/%.o: %.c $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE)
        $(Echo) "Compiling $*.c for $(BuildMode) build" $(PIC_FLAG)
        $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
                $(DEPEND_MOVEFILE)
 
-$(ObjDir)/%.o: %.m $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_SRC_DIR)/Makefile
+$(ObjDir)/%.o: %.m $(ObjDir)/.dir $(BUILT_SOURCES) $(PROJ_MAKEFILE)
        $(Echo) "Compiling $*.m for $(BuildMode) build" $(PIC_FLAG)
        $(Verb) if $(Compile.C) $(DEPEND_OPTIONS) $< -o $(ObjDir)/$*.o ; \
                $(DEPEND_MOVEFILE)