1 # needs-profiler-support
3 # ISSUE(76038): When targeting MSVC, Rust binaries built with both `-Z instrument-coverage` and
4 # `-C link-dead-code` typically crash (with a seg-fault) or at best generate an empty `*.profraw`.
5 # See ../coverage/coverage_tools.mk for more information.
7 -include ..
/coverage
/coverage_tools.mk
9 BASEDIR
=..
/coverage-spanview-base
12 ifeq ($(UNAME
),Darwin
)
16 all: $(patsubst $(SOURCEDIR
)/%.rs
,%,$(wildcard $(SOURCEDIR
)/*.rs
))
18 # Ensure there are no `expected` results for tests that may have been removed or renamed
19 .PHONY
: clear_expected_if_blessed
20 clear_expected_if_blessed
:
21 ifdef RUSTC_BLESS_TEST
22 rm -rf expected_mir_dump.
*/
25 -include clear_expected_if_blessed
28 # Compile the test program with coverage instrumentation and generate relevant MIR.
29 $(RUSTC
) $(SOURCEDIR
)/$@.rs \
30 -Zinstrument-coverage \
31 -Clink-dead-code
=$(LINK_DEAD_CODE
) \
32 -Zdump-mir
=InstrumentCoverage \
34 -Zdump-mir-dir
="$(TMPDIR)"/mir_dump.
$@
37 # FIXME(richkadel): MacOS's default sed has some significant limitations. Until I've come up
38 # with a better workaround, I'm disabling this test for MacOS.
40 # For future reference, see if `gsed` is available as an alternative.
41 which gsed || echo
"no gsed"
44 for path in
"$(TMPDIR)"/mir_dump.
$@
/*; do \
46 file
="$$(basename "$$path")"; \
48 urlescaped
="$$("$(PYTHON
)" $(BASEDIR)/escape_url.py $$file)" || exit
$$?
; \
53 Preview this file as rendered HTML from the github source at:\
54 https://htmlpreview.github.io/?https://github.com/rust-lang/rust/blob/master/src/test/run-make-fulldeps/coverage-spanview-base/expected_mir_dump.$@/'"$$urlescaped"'\
56 For revisions in Pull Requests (PR):\
57 * Replace "rust-lang" with the github PR author\
58 * Replace "master" with the PR branch name\
61 done
&& true
# for/done ends in non-zero status
63 ifdef RUSTC_BLESS_TEST
64 mkdir
-p expected_mir_dump.
$@
65 cp
"$(TMPDIR)"/mir_dump.
$@
/*InstrumentCoverage
.0.html expected_mir_dump.
$@
/
67 # Check that the selected `mir_dump` files match what we expect (`--bless` refreshes `expected`)
68 mkdir
-p
"$(TMPDIR)"/actual_mir_dump.
$@
69 rm -f
"$(TMPDIR)"/actual_mir_dump.
$@
/*
70 cp
"$(TMPDIR)"/mir_dump.
$@
/*InstrumentCoverage
.0.html
"$(TMPDIR)"/actual_mir_dump.
$@
/
71 $(DIFF
) -r expected_mir_dump.
$@
/ "$(TMPDIR)"/actual_mir_dump.
$@
/