2022-08-20 06:40:18 -05:00
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# needs-profiler-support
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# ignore-windows-gnu
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2023-03-30 07:58:50 -05:00
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include ../tools.mk
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2022-08-20 06:40:18 -05:00
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# FIXME(eddyb) provide `HOST_RUSTC` and `TARGET_RUSTC`
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# instead of hardcoding them everywhere they're needed.
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ifeq ($(IS_MUSL_HOST),1)
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ADDITIONAL_ARGS := $(RUSTFLAGS)
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endif
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all:
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# Generate PGO profiles
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$(BARE_RUSTC) $(ADDITIONAL_ARGS) -Cprofile-generate=$(TMPDIR)/profiles --out-dir $(TMPDIR) main.rs
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$(TMPDIR)/main
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# Merge profiles
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"$(LLVM_BIN_DIR)/llvm-profdata" merge \
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-o "$(TMPDIR)/merged.profdata" \
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"$(TMPDIR)/profiles" || exit 1
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# Use the profile
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$(RUSTC) -Cprofile-use=$(TMPDIR)/merged.profdata --emit dep-info main.rs
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# Check that profile file is in depinfo
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$(CGREP) "merged.profdata" < $(TMPDIR)/main.d
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