src/test/run-make/coverage-llvmir/Makefile

   1 # needs-profiler-support
   2
   3 # Rust coverage maps support LLVM Coverage Mapping Format versions 5 and 6,
   4 # corresponding with LLVM versions 12 and 13, respectively.
   5 # When upgrading LLVM versions, consider whether to enforce a minimum LLVM
   6 # version during testing, with an additional directive at the top of this file
   7 # that sets, for example: `min-llvm-version: 12.0`
   8
   9 include ../coverage/coverage_tools.mk
  10
  11 BASEDIR=../coverage-llvmir
  12
  13 ifeq ($(UNAME),Darwin)
  14         INSTR_PROF_DATA_SUFFIX=,regular,live_support
  15         DATA_SECTION_PREFIX=__DATA,
  16         LLVM_COV_SECTION_PREFIX=__LLVM_COV,
  17         COMDAT_IF_SUPPORTED=
  18 else
  19         INSTR_PROF_DATA_SUFFIX=
  20         DATA_SECTION_PREFIX=
  21         LLVM_COV_SECTION_PREFIX=
  22         COMDAT_IF_SUPPORTED=, comdat
  23 endif
  24
  25 DEFINE_INTERNAL=define internal
  26
  27 ifdef IS_WINDOWS
  28         LLVM_FILECHECK_OPTIONS=\
  29                 -check-prefixes=CHECK,WINDOWS \
  30                 -DDEFINE_INTERNAL='$(DEFINE_INTERNAL)' \
  31                 -DCOMDAT_IF_SUPPORTED='$(COMDAT_IF_SUPPORTED)' \
  32                 -DINSTR_PROF_DATA='.lprfd$$M' \
  33                 -DINSTR_PROF_NAME='.lprfn$$M' \
  34                 -DINSTR_PROF_CNTS='.lprfc$$M' \
  35                 -DINSTR_PROF_VALS='.lprfv$$M' \
  36                 -DINSTR_PROF_VNODES='.lprfnd$$M' \
  37                 -DINSTR_PROF_COVMAP='.lcovmap$$M' \
  38                 -DINSTR_PROF_COVFUN='.lcovfun$$M' \
  39                 -DINSTR_PROF_ORDERFILE='.lorderfile$$M'
  40 else
  41         LLVM_FILECHECK_OPTIONS=\
  42                 -check-prefixes=CHECK \
  43                 -DDEFINE_INTERNAL='$(DEFINE_INTERNAL)' \
  44                 -DCOMDAT_IF_SUPPORTED='$(COMDAT_IF_SUPPORTED)' \
  45                 -DINSTR_PROF_DATA='$(DATA_SECTION_PREFIX)__llvm_prf_data$(INSTR_PROF_DATA_SUFFIX)' \
  46                 -DINSTR_PROF_NAME='$(DATA_SECTION_PREFIX)__llvm_prf_names' \
  47                 -DINSTR_PROF_CNTS='$(DATA_SECTION_PREFIX)__llvm_prf_cnts' \
  48                 -DINSTR_PROF_VALS='$(DATA_SECTION_PREFIX)__llvm_prf_vals' \
  49                 -DINSTR_PROF_VNODES='$(DATA_SECTION_PREFIX)__llvm_prf_vnds' \
  50                 -DINSTR_PROF_COVMAP='$(LLVM_COV_SECTION_PREFIX)__llvm_covmap' \
  51                 -DINSTR_PROF_COVFUN='$(LLVM_COV_SECTION_PREFIX)__llvm_covfun' \
  52                 -DINSTR_PROF_ORDERFILE='$(DATA_SECTION_PREFIX)__llvm_orderfile'
  53 endif
  54
  55 all: test_llvm_ir
  56
  57 test_llvm_ir:
  58         # Compile the test program with non-experimental coverage instrumentation, and generate LLVM IR
  59         $(RUSTC) $(BASEDIR)/testprog.rs \
  60                         -Cinstrument-coverage \
  61                         --emit=llvm-ir
  62
  63         cat "$(TMPDIR)"/testprog.ll | \
  64                         "$(LLVM_FILECHECK)" $(BASEDIR)/filecheck.testprog.txt $(LLVM_FILECHECK_OPTIONS)