#
# Copyright (c) 2015-2019, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

########## Make rule for test fs11  ########

# Determine call instruction used
INSN=call
LLFLAG=
OPT=
ifeq ($(findstring aarch64, $(UNAME)), aarch64)
    INSN=bl
ifeq ($(findstring O0, $(OPT)), O0)
    LLFLAG=-Mkeepll
endif
endif
ifeq ($(findstring ppc64le, $(UNAME)), ppc64le)
    INSN=bl
endif

fs11: run

build:  $(SRC)/fs11.f90
	-$(RM) fs11.$(EXESUFFIX) core *.d *.mod FOR*.DAT FTN* ftn* fort.*
	@echo ------------------------------------ building test $@
	-$(CC) -c $(CFLAGS) $(SRC)/check.c -o check.$(OBJX)
	-$(FC) $(FFLAGS) $(LLFLAG) $(LDFLAGS) $(SRC)/fs11.f90 -S
	-$(FC) -c $(FFLAGS) $(LDFLAGS) $(SRC)/fs11.f90 -o fs11.$(OBJX)
	-$(FC) $(FFLAGS) $(LDFLAGS) fs11.$(OBJX) check.$(OBJX) $(LIBS) -o fs11.$(EXESUFFIX)

# rank2 should not be inlined (except with -Minline=reshape).
# Verify that by checking for exactly 3 calls to mmul.
# This check isn't valid for flang because it allows LLVM to inline.
run:
	@echo ------------------------------------ executing test fs11
ifeq ($(LLFLAG), -Mkeepll)
	@mmul_calls=`grep -c 'void (.*)\*.*mmul' fs11.ll`; \
	if [ $$mmul_calls -ne 3 ]; then \
	  echo "RESULT: FAIL - expected exactly 3 calls to mmul, got $$mmul_calls in fs11.ll" ; \
	  exit 1; \
	else \
	  echo "RESULT: PASS - got exactly 3 calls to mmul in fs11.ll" ; \
	fi
else
ifneq ($(FC), flang)
	@mmul_calls=`grep -c '$(INSN).*mmul' fs11.s`; \
	if [ $$mmul_calls -ne 3 ]; then \
	    echo "RESULT: FAIL - expected exactly 3 calls to mmul, got $$mmul_calls in fs11.s" ; \
	    exit 1; \
	else \
	  echo "RESULT: PASS - got exactly 3 calls to mmul in fs11.s" ; \
	fi
endif
endif
	fs11.$(EXESUFFIX)

verify: ;

fs11.run: run