src/test/run-make-fulldeps/coverage-spanview-base/Makefile

   1 # needs-profiler-support
   2
   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.
   6
   7 -include ../coverage/coverage_tools.mk
   8
   9 BASEDIR=../coverage-spanview-base
  10 SOURCEDIR=../coverage
  11
  12 ifeq ($(UNAME),Darwin)
  13 SED_HAS_ISSUES=1
  14 endif
  15
  16 all: $(patsubst $(SOURCEDIR)/%.rs,%,$(wildcard $(SOURCEDIR)/*.rs))
  17
  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.*/
  23 endif
  24
  25 -include clear_expected_if_blessed
  26
  27 %: $(SOURCEDIR)/%.rs
  28         # Compile the test program with coverage instrumentation and generate relevant MIR.
  29         $(RUSTC) $(SOURCEDIR)/$@.rs \
  30                         -Zinstrument-coverage \
  31                         -Clink-dead-code=$(LINK_DEAD_CODE) \
  32                         -Zdump-mir=InstrumentCoverage \
  33                         -Zdump-mir-spanview \
  34                         -Zdump-mir-dir="$(TMPDIR)"/mir_dump.$@
  35
  36 ifdef SED_HAS_ISSUES
  37         # FIXME(richkadel): MacOS's default sed has some significant limitations. Until I've come up
  38         # with a better workaround, I'm disabling this test for MacOS.
  39         #
  40         # For future reference, see if `gsed` is available as an alternative.
  41         which gsed || echo "no gsed"
  42 else
  43
  44         for path in "$(TMPDIR)"/mir_dump.$@/*; do \
  45                 echo $$path; \
  46                 file="$$(basename "$$path")"; \
  47                 echo $$file; \
  48                 urlescaped="$$("$(PYTHON)" $(BASEDIR)/escape_url.py $$file)" || exit $$?; \
  49                 echo $$urlescaped; \
  50                 sed -i -e '1a\
  51 <!--\
  52 \
  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.$@/'"$$urlescaped"'\
  55 \
  56 For revisions in Pull Requests (PR):\
  57   * Replace "rust-lang" with the github PR author\
  58   * Replace "master" with the PR branch name\
  59 \
  60 -->' "$$path"; \
  61         done && true # for/done ends in non-zero status
  62
  63 ifdef RUSTC_BLESS_TEST
  64         mkdir -p expected_mir_dump.$@
  65         cp "$(TMPDIR)"/mir_dump.$@/*InstrumentCoverage.0.html expected_mir_dump.$@/
  66 else
  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         $(DIFF) -r expected_mir_dump.$@/ "$(TMPDIR)"/actual_mir_dump.$@/
  72 endif
  73
  74 endif