2023-08-03 16:24:58 -05:00
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# needs-profiler-support
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2023-08-07 10:56:57 -05:00
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# ignore-windows-gnu
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2023-08-18 02:39:30 -05:00
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# ignore-cross-compile
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2023-08-07 10:56:57 -05:00
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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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2023-08-03 16:24:58 -05:00
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include ../tools.mk
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PROFILE_DIR=$(TMPDIR)/profiles
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check_hotness:
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$(RUSTC) -Cprofile-generate="$(TMPDIR)"/profdata -O foo.rs -o$(TMPDIR)/foo
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$(TMPDIR)/foo
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"$(LLVM_BIN_DIR)"/llvm-profdata merge \
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-o "$(TMPDIR)"/merged.profdata \
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"$(TMPDIR)"/profdata/*.profraw
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$(RUSTC) -Cprofile-use=$(TMPDIR)/merged.profdata -O foo.rs -Cremark=all -Zremark-dir=$(PROFILE_DIR)
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# Check that PGO hotness is included in the remark files
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cat $(PROFILE_DIR)/*.opt.yaml | $(CGREP) -e "Hotness"
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