| # needs-profiler-support |
| # ignore-windows-gnu |
| # ignore-cross-compile |
| |
| # FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works |
| # properly. Since we only have GCC on the CI ignore the test for now. |
| |
| include ../tools.mk |
| |
| all: |
| # We don't compile `opaque` with either optimizations or instrumentation. |
| # We don't compile `opaque` with either optimizations or instrumentation. |
| $(RUSTC) $(COMMON_FLAGS) opaque.rs |
| # Compile the test program with instrumentation |
| mkdir -p "$(TMPDIR)"/prof_data_dir |
| $(RUSTC) $(COMMON_FLAGS) interesting.rs \ |
| -Cprofile-generate="$(TMPDIR)"/prof_data_dir -O -Ccodegen-units=1 |
| $(RUSTC) $(COMMON_FLAGS) main.rs -Cprofile-generate="$(TMPDIR)"/prof_data_dir -O |
| # The argument below generates to the expected branch weights |
| $(call RUN,main) || exit 1 |
| "$(LLVM_BIN_DIR)"/llvm-profdata merge \ |
| -o "$(TMPDIR)"/prof_data_dir/merged.profdata \ |
| "$(TMPDIR)"/prof_data_dir |
| $(RUSTC) $(COMMON_FLAGS) interesting.rs \ |
| -Cprofile-use="$(TMPDIR)"/prof_data_dir/merged.profdata -O \ |
| -Ccodegen-units=1 --emit=llvm-ir |
| cat "$(TMPDIR)"/interesting.ll | "$(LLVM_FILECHECK)" filecheck-patterns.txt |
