zlibのサンプルを追加

.gitmodules

 [submodule "example/8cc/8cc"]
 	path = example/8cc/8cc
 	url = git://github.com/rui314/8cc.git
+[submodule "example/zlib/zlib"]
+	path = example/zlib/zlib
+	url = git@github.com:madler/zlib.git

example/8cc/Makefile

@@ -64,7 +64,7 @@ ${OBJ_DIR}/stage3/%.o: 8cc/%.c ${BIN_DIR}/stage2/8cc.out
 # Watermarked 8cc
 ${OBJ_DIR}/stage1-wm/%.o: ${OBJ_DIR}/stage1-wm/%-wm.ll
 	@mkdir -p ${@D}
-	${CC} ${CFLAGS} -o $@ -c $<
+	clang ${CFLAGS} -o $@ -c $<
 
 ${OBJ_DIR}/stage1-wm/%-wm.ll: 8cc/%.c
 	@mkdir -p ${@D}

example/Makefile

@@ -3,7 +3,9 @@
 all:
 	${MAKE} -C fizzbuzz all
 	${MAKE} -C 8cc      all
+	${MAKE} -C zlib     all
 
 test:
 	${MAKE} -C fizzbuzz test
 	${MAKE} -C 8cc      test
+	${MAKE} -C zlib     test

example/zlib/Makefile

+include ../../common.mk
+
+WATERMARK := 77
+
+CC := clang
+
+CFLAGS := \
+	-D_LARGEFILE64_SOURCE=1 \
+	-DHAVE_HIDDEN
+
+SRCS := \
+	zlib/adler32.c \
+	zlib/compress.c \
+	zlib/crc32.c \
+	zlib/deflate.c \
+	zlib/gzclose.c \
+	zlib/gzlib.c \
+	zlib/gzread.c \
+	zlib/gzwrite.c \
+	zlib/inflate.c \
+	zlib/infback.c \
+	zlib/inftrees.c \
+	zlib/inffast.c \
+	zlib/trees.c \
+	zlib/uncompr.c \
+	zlib/zutil.c
+
+OBJS := ${SRCS:zlib/%.c=${OBJ_DIR}/zlib/%.o}
+OBJS_WM := ${SRCS:zlib/%.c=${OBJ_DIR}/zlib-${WATERMARK}/%.o}
+
+.PHONY: all test
+
+all: ${BIN_DIR}/libz.a ${BIN_DIR}/libz-${WATERMARK}.a
+
+test: ${BIN_DIR}/libz.a ${BIN_DIR}/libz-${WATERMARK}.a
+
+${BIN_DIR}/libz.a: ${OBJS}
+${BIN_DIR}/libz-${WATERMARK}.a: ${OBJS_WM}
+
+${OBJ_DIR}/zlib/%.o: zlib/%.c
+	@mkdir -p ${@D}
+	${CC} ${CFLAGS} -o $@ -c $<
+
+${OBJ_DIR}/zlib-${WATERMARK}/%.o: zlib/%.c
+	@mkdir -p ${@D}
+	clang ${CFLAGS} -emit-llvm -S -o ${@:.o=.ll} $<
+	opt -load=${ROOT}/bin/src/nykk.so -block-wm -watermark=${WATERMARK} -S -o ${@:%.o=%-${WATERMARK}.ll} ${@:.o=.ll} 2> ${@:%.o=%-log.txt}
+	clang ${CFLAGS} -o $@ -c ${@:%.o=%-${WATERMARK}.ll}
+
+%.a:
+	@mkdir -p ${@D}
+	${AR} rcs $@ $^

zlib @ cacf7f1d

+Subproject commit cacf7f1d4e3d44d871b605da3b647f07d718623f