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65 lines
2.2 KiB
Makefile
65 lines
2.2 KiB
Makefile
# needs-profiler-support
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# Rust coverage maps support LLVM Coverage Mapping Format versions 5 and 6,
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# corresponding with LLVM versions 12 and 13, respectively.
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# When upgrading LLVM versions, consider whether to enforce a minimum LLVM
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# version during testing, with an additional directive at the top of this file
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# that sets, for example: `min-llvm-version: 12.0`
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include ../tools.mk
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BASEDIR=../coverage-llvmir
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ifeq ($(UNAME),Darwin)
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INSTR_PROF_DATA_SUFFIX=,regular,live_support
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DATA_SECTION_PREFIX=__DATA,
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LLVM_COV_SECTION_PREFIX=__LLVM_COV,
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COMDAT_IF_SUPPORTED=
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else
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INSTR_PROF_DATA_SUFFIX=
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DATA_SECTION_PREFIX=
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LLVM_COV_SECTION_PREFIX=
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COMDAT_IF_SUPPORTED=, comdat
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endif
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DEFINE_INTERNAL=define internal
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ifdef IS_WINDOWS
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LLVM_FILECHECK_OPTIONS=\
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-check-prefixes=CHECK,WINDOWS \
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-DDEFINE_INTERNAL='$(DEFINE_INTERNAL)' \
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-DCOMDAT_IF_SUPPORTED='$(COMDAT_IF_SUPPORTED)' \
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-DINSTR_PROF_DATA='.lprfd$$M' \
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-DINSTR_PROF_NAME='.lprfn$$M' \
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-DINSTR_PROF_CNTS='.lprfc$$M' \
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-DINSTR_PROF_VALS='.lprfv$$M' \
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-DINSTR_PROF_VNODES='.lprfnd$$M' \
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-DINSTR_PROF_COVMAP='.lcovmap$$M' \
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-DINSTR_PROF_COVFUN='.lcovfun$$M' \
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-DINSTR_PROF_ORDERFILE='.lorderfile$$M'
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else
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LLVM_FILECHECK_OPTIONS=\
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-check-prefixes=CHECK \
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-DDEFINE_INTERNAL='$(DEFINE_INTERNAL)' \
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-DCOMDAT_IF_SUPPORTED='$(COMDAT_IF_SUPPORTED)' \
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-DINSTR_PROF_DATA='$(DATA_SECTION_PREFIX)__llvm_prf_data$(INSTR_PROF_DATA_SUFFIX)' \
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-DINSTR_PROF_NAME='$(DATA_SECTION_PREFIX)__llvm_prf_names' \
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-DINSTR_PROF_CNTS='$(DATA_SECTION_PREFIX)__llvm_prf_cnts' \
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-DINSTR_PROF_VALS='$(DATA_SECTION_PREFIX)__llvm_prf_vals' \
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-DINSTR_PROF_VNODES='$(DATA_SECTION_PREFIX)__llvm_prf_vnds' \
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-DINSTR_PROF_COVMAP='$(LLVM_COV_SECTION_PREFIX)__llvm_covmap' \
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-DINSTR_PROF_COVFUN='$(LLVM_COV_SECTION_PREFIX)__llvm_covfun' \
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-DINSTR_PROF_ORDERFILE='$(DATA_SECTION_PREFIX)__llvm_orderfile'
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endif
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all: test_llvm_ir
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test_llvm_ir:
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# Compile the test program with non-experimental coverage instrumentation, and generate LLVM IR
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$(RUSTC) $(BASEDIR)/testprog.rs \
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-Cinstrument-coverage \
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--emit=llvm-ir
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cat "$(TMPDIR)"/testprog.ll | \
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"$(LLVM_FILECHECK)" $(BASEDIR)/filecheck.testprog.txt $(LLVM_FILECHECK_OPTIONS)
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