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[perftest] Update bootstrap LLVM #94677

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[perftest] Update bootstrap LLVM #94677

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39 changes: 33 additions & 6 deletions src/ci/pgo.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,31 @@ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \
RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \
--edition=2021 --crate-type=lib -Copt-level=3 ../library/core/src/lib.rs

cp -r /tmp/rustc-perf ./
chown -R $(whoami): ./rustc-perf
cd rustc-perf

# Build the collector ahead of time, which is needed to make sure the rustc-fake
# binary used by the collector is present.
RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \
RUSTC_BOOTSTRAP=1 \
/checkout/obj/build/$PGO_HOST/stage0/bin/cargo build -p collector

RUST_LOG=collector=debug \
RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \
RUSTC_BOOTSTRAP=1 \
/checkout/obj/build/$PGO_HOST/stage0/bin/cargo run -p collector --bin collector -- \
profile_local \
eprintln \
/checkout/obj/build/$PGO_HOST/stage2/bin/rustc \
Test \
--builds Debug,Opt \
--cargo /checkout/obj/build/$PGO_HOST/stage0/bin/cargo \
--runs All \
--include syn,cargo,serde

cd /checkout/obj

# Merge the profile data we gathered for LLVM
# Note that this uses the profdata from the clang we used to build LLVM,
# which likely has a different version than our in-tree clang.
Expand All @@ -42,15 +67,17 @@ RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \
RUSTC_BOOTSTRAP=1 ./build/$PGO_HOST/stage2/bin/rustc \
--edition=2021 --crate-type=lib -Copt-level=3 ../library/core/src/lib.rs

cp -r /tmp/rustc-perf ./
chown -R $(whoami): ./rustc-perf
cd rustc-perf
#cp -r /tmp/rustc-perf ./
#chown -R $(whoami): ./rustc-perf
#cd rustc-perf

# Build the collector ahead of time, which is needed to make sure the rustc-fake
# binary used by the collector is present.
RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \
RUSTC_BOOTSTRAP=1 \
/checkout/obj/build/$PGO_HOST/stage0/bin/cargo build -p collector
#RUSTC=/checkout/obj/build/$PGO_HOST/stage0/bin/rustc \
#RUSTC_BOOTSTRAP=1 \
#/checkout/obj/build/$PGO_HOST/stage0/bin/cargo build -p collector

cd rustc-perf

# benchmark using profile_local with eprintln, which essentially just means
# don't actually benchmark -- just make sure we run rustc a bunch of times.
Expand Down