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authorJakub Beránek <berykubik@gmail.com>2022-08-20 13:40:18 +0200
committerJakub Beránek <berykubik@gmail.com>2022-08-29 10:56:56 +0200
commit925644ed09689018cd17b3bb6e469520d105e6b8 (patch)
tree518508bfa8bb2943783bc1b4d5a4c64cceb1aa02 /src/test
parent6c943bad02626dddc5e5135b23c77429b6e4a063 (diff)
downloadrust-925644ed09689018cd17b3bb6e469520d105e6b8.tar.gz
rust-925644ed09689018cd17b3bb6e469520d105e6b8.zip
Track PGO profiles in depinfo
Diffstat (limited to 'src/test')
-rw-r--r--src/test/run-make/track-pgo-dep-info/Makefile26
-rw-r--r--src/test/run-make/track-pgo-dep-info/main.rs1
2 files changed, 27 insertions, 0 deletions
diff --git a/src/test/run-make/track-pgo-dep-info/Makefile b/src/test/run-make/track-pgo-dep-info/Makefile
new file mode 100644
index 00000000000..60b59c04aa9
--- /dev/null
+++ b/src/test/run-make/track-pgo-dep-info/Makefile
@@ -0,0 +1,26 @@
+# needs-profiler-support
+# ignore-windows-gnu
+
+-include ../../run-make-fulldeps/tools.mk
+
+# FIXME(eddyb) provide `HOST_RUSTC` and `TARGET_RUSTC`
+# instead of hardcoding them everywhere they're needed.
+ifeq ($(IS_MUSL_HOST),1)
+ADDITIONAL_ARGS := $(RUSTFLAGS)
+endif
+
+all:
+	# Generate PGO profiles
+	$(BARE_RUSTC) $(ADDITIONAL_ARGS) -Cprofile-generate=$(TMPDIR)/profiles --out-dir $(TMPDIR) main.rs
+	$(TMPDIR)/main
+
+	# Merge profiles
+	"$(LLVM_BIN_DIR)/llvm-profdata" merge \
+		-o "$(TMPDIR)/merged.profdata" \
+		"$(TMPDIR)/profiles" || exit 1
+
+	# Use the profile
+	$(RUSTC) -Cprofile-use=$(TMPDIR)/merged.profdata --emit dep-info main.rs
+
+	# Check that profile file is in depinfo
+	$(CGREP) "merged.profdata" < $(TMPDIR)/main.d
diff --git a/src/test/run-make/track-pgo-dep-info/main.rs b/src/test/run-make/track-pgo-dep-info/main.rs
new file mode 100644
index 00000000000..f328e4d9d04
--- /dev/null
+++ b/src/test/run-make/track-pgo-dep-info/main.rs
@@ -0,0 +1 @@
+fn main() {}