Introduce test/llvm-cov/Inputs/yaml.makefile for convenience.

Author: chapuni

llvm/test/tools/llvm-cov/Inputs/yaml.makefile

@@ -0,0 +1,96 @@
+# This is for developers' convenience and not expected to be in build steps.
+#
+# Usage:
+#   cd /path/to/llvm-project/llvm/test/tools/llvm-cov/Inputs
+#   PATH=/path/to/build/bin:$PATH make -f yaml.makefile
+
+CFLAGS_COVMAP	= -fcoverage-compilation-dir=. \
+		  -mllvm -runtime-counter-relocation=true \
+		  -mllvm -conditional-counter-update=true \
+		  -mllvm -enable-name-compression=false \
+		  -fprofile-instr-generate -fcoverage-mapping \
+		  $(if $(filter mcdc-%, $*), $(CFLAGS_MCDC))
+
+CFLAGS_MCDC	= -fcoverage-mcdc
+
+%.o: %.cpp
+	clang++ $< -c -o $@ $(CFLAGS_COVMAP)
+
+%.o: %.c
+	clang $< -c -o $@ $(CFLAGS_COVMAP)
+
+%-single.o: %.cpp
+	clang++ $< -c -o $@ \
+		-mllvm -enable-single-byte-coverage=true \
+		$(CFLAGS_COVMAP)
+
+%-single.o: %.c
+	clang $< -c -o $@ \
+		-mllvm -enable-single-byte-coverage=true \
+		$(CFLAGS_COVMAP)
+
+%.covmap.o: %.o
+	llvm-objcopy \
+		--only-section=__llvm_covfun \
+		--only-section=__llvm_covmap \
+		--only-section=__llvm_prf_names \
+		--strip-unneeded \
+		$< $@
+
+%.yaml: %.covmap.o
+	obj2yaml $< > $@
+
+%.exe: %.o
+	clang++ -fprofile-instr-generate $^ -o $@
+
+ARGS_branch-logical-mixed := \
+	0 0; \
+	0 1; \
+	1 0; \
+	1 1
+
+ARGS_branch-macros := \
+	0 1; \
+	1 0; \
+	1 1
+
+ARGS_branch-showBranchPercentage := \
+	0 1; \
+	1 1; \
+	2 2; \
+	4 0; \
+	5 0; \
+	1
+
+ARGS_showLineExecutionCounts := $(patsubst %,%;,$(shell seq 161))
+
+ARGS_mcdc-const-folding := \
+	0 1; \
+	1 0; \
+	1 1; \
+	1 1
+
+%.profdata: %.exe
+	-find -name '$*.*.profraw' | xargs rm -fv
+	@if [ "$(ARGS_$(patsubst %-single,%,$*))" = "" ]; then \
+	  echo "Executing: $<"; \
+	  LLVM_PROFILE_FILE=$*.%p%c.profraw ./$<; \
+	else \
+	  LLVM_PROFILE_FILE=$*.%p%c.profraw; \
+	  export LLVM_PROFILE_FILE; \
+	  for xcmd in $(shell echo "$(ARGS_$(patsubst %-single,%,$*))" | tr ';[:blank:]' ' %'); do \
+	    cmd=$$(echo "$$xcmd" | tr '%' ' '); \
+	    echo "Executing series: $< $$cmd"; \
+	    eval "./$< $$cmd"; \
+	  done; \
+	fi
+	find -name '$*.*.profraw' | xargs llvm-profdata merge --sparse -o $@
+
+%.proftext: %.profdata
+	llvm-profdata merge --text -o $@ $<
+
+.PHONY: all
+all:	\
+	$(patsubst %.yaml,%.proftext, $(wildcard *.yaml)) \
+	$(wildcard *.yaml)
+	-find -name '*.profraw' | xargs rm -f