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Commit | Line | Data |
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fc512014 XL |
1 | #!/bin/bash |
2 | ||
3 | set -euxo pipefail | |
4 | ||
5 | export RUSTC_BOOTSTRAP=1 | |
6 | ||
7 | rm -rf /tmp/rustc-pgo | |
8 | ||
9 | python2.7 ../x.py build --target=$PGO_HOST --host=$PGO_HOST \ | |
10 | --stage 2 library/std --rust-profile-generate=/tmp/rustc-pgo | |
11 | ||
12 | ./build/$PGO_HOST/stage2/bin/rustc --edition=2018 \ | |
13 | --crate-type=lib ../library/core/src/lib.rs | |
14 | ||
15 | # Download and build a single-file stress test benchmark on perf.rust-lang.org. | |
16 | function pgo_perf_benchmark { | |
17 | local PERF=e095f5021bf01cf3800f50b3a9f14a9683eb3e4e | |
18 | local github_prefix=https://raw.githubusercontent.com/rust-lang/rustc-perf/$PERF | |
19 | local name=$1 | |
20 | curl -o /tmp/$name.rs $github_prefix/collector/benchmarks/$name/src/lib.rs | |
21 | ./build/$PGO_HOST/stage2/bin/rustc --edition=2018 --crate-type=lib /tmp/$name.rs | |
22 | } | |
23 | ||
24 | pgo_perf_benchmark externs | |
25 | pgo_perf_benchmark ctfe-stress-4 | |
26 | ||
27 | cp -pri ../src/tools/cargo /tmp/cargo | |
28 | ||
29 | # Build cargo (with some flags) | |
30 | function pgo_cargo { | |
31 | RUSTC=./build/$PGO_HOST/stage2/bin/rustc \ | |
32 | ./build/$PGO_HOST/stage0/bin/cargo $@ \ | |
33 | --manifest-path /tmp/cargo/Cargo.toml | |
34 | } | |
35 | ||
36 | # Build a couple different variants of Cargo | |
37 | CARGO_INCREMENTAL=1 pgo_cargo check | |
38 | echo 'pub fn barbarbar() {}' >> /tmp/cargo/src/cargo/lib.rs | |
39 | CARGO_INCREMENTAL=1 pgo_cargo check | |
40 | touch /tmp/cargo/src/cargo/lib.rs | |
41 | CARGO_INCREMENTAL=1 pgo_cargo check | |
42 | pgo_cargo build --release | |
43 | ||
44 | # Merge the profile data we gathered | |
45 | ./build/$PGO_HOST/llvm/bin/llvm-profdata \ | |
46 | merge -o /tmp/rustc-pgo.profdata /tmp/rustc-pgo | |
47 | ||
48 | # This produces the actual final set of artifacts. | |
49 | $@ --rust-profile-use=/tmp/rustc-pgo.profdata |