2019-11-22 06:38:28 -06:00
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# needs-profiler-support
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2020-08-24 04:58:04 -05:00
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# ignore-windows-gnu
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# FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works
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# properly. Since we only have GCC on the CI ignore the test for now.
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2019-11-22 06:38:28 -06:00
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2022-08-22 19:00:00 -05:00
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include ../tools.mk
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2019-11-22 06:38:28 -06:00
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all:
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# We don't compile `opaque` with either optimizations or instrumentation.
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# We don't compile `opaque` with either optimizations or instrumentation.
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$(RUSTC) $(COMMON_FLAGS) opaque.rs
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# Compile the test program with instrumentation
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mkdir -p "$(TMPDIR)"/prof_data_dir
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$(RUSTC) $(COMMON_FLAGS) interesting.rs \
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-Cprofile-generate="$(TMPDIR)"/prof_data_dir -O -Ccodegen-units=1
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$(RUSTC) $(COMMON_FLAGS) main.rs -Cprofile-generate="$(TMPDIR)"/prof_data_dir -O
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# The argument below generates to the expected branch weights
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$(call RUN,main) || exit 1
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"$(LLVM_BIN_DIR)"/llvm-profdata merge \
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-o "$(TMPDIR)"/prof_data_dir/merged.profdata \
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"$(TMPDIR)"/prof_data_dir
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$(RUSTC) $(COMMON_FLAGS) interesting.rs \
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-Cprofile-use="$(TMPDIR)"/prof_data_dir/merged.profdata -O \
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-Ccodegen-units=1 --emit=llvm-ir
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cat "$(TMPDIR)"/interesting.ll | "$(LLVM_FILECHECK)" filecheck-patterns.txt
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