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