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solana-with-rpc-optimizations
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Remove O2 option for compiling BPF programs (#17865) 

rustc default compiler optimization level is O3. This change removes
the option that overrides the default optimization level, because it
is safe to do so.  The code generation is incorrect in some cases
because of link-time optimizations, which remain disabled for
compiling BPF programs.  In addition, this commit updates the expected
instruction counts for assert_instruction_count test.
This commit is contained in:
Dmitri Makarov 2021-06-09 22:04:17 -07:00 committed by GitHub
parent 269d995832
commit 2fe211c5e0
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 18 deletions
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28
programs/bpf/tests/programs.rs
View File

@ -1277,11 +1277,11 @@ fn assert_instruction_count() {
("alloc", 1137),
("bpf_to_bpf", 13),
("multiple_static", 8),
("noop", 42),
("noop++", 42),
("noop", 5),
("noop++", 5),
("relative_call", 10),
("sanity", 174),
("sanity++", 174),
("sanity", 169),
("sanity++", 168),
("sha", 1040),
("struct_pass", 8),
("struct_ret", 22),
@ -1291,19 +1291,19 @@ fn assert_instruction_count() {
{
programs.extend_from_slice(&[
("solana_bpf_rust_128bit", 584),
("solana_bpf_rust_alloc", 8906),
("solana_bpf_rust_custom_heap", 539),
("solana_bpf_rust_alloc", 7082),
("solana_bpf_rust_custom_heap", 522),
("solana_bpf_rust_dep_crate", 2),
("solana_bpf_rust_external_spend", 521),
("solana_bpf_rust_external_spend", 504),
("solana_bpf_rust_iter", 724),
("solana_bpf_rust_many_args", 237),
("solana_bpf_rust_mem", 3166),
("solana_bpf_rust_membuiltins", 4069),
("solana_bpf_rust_noop", 495),
("solana_bpf_rust_many_args", 233),
("solana_bpf_rust_mem", 3096),
("solana_bpf_rust_membuiltins", 4065),
("solana_bpf_rust_noop", 478),
("solana_bpf_rust_param_passing", 46),
("solana_bpf_rust_rand", 498),
("solana_bpf_rust_sanity", 917),
("solana_bpf_rust_sha", 32384),
("solana_bpf_rust_rand", 481),
("solana_bpf_rust_sanity", 873),
("solana_bpf_rust_sha", 32295),
]);
}

2
sdk/bpf/env.sh
View File

@ -15,4 +15,4 @@ export AR="$bpf_sdk/dependencies/bpf-tools/llvm/bin/llvm-ar"
export OBJDUMP="$bpf_sdk/dependencies/bpf-tools/llvm/bin/llvm-objdump"
export OBJCOPY="$bpf_sdk/dependencies/bpf-tools/llvm/bin/llvm-objcopy"
export RUSTFLAGS="-C lto=no -C opt-level=2"
export RUSTFLAGS="-C lto=no"

4
sdk/cargo-build-bpf/src/main.rs
View File

@ -383,9 +383,7 @@ fn build_bpf_package(config: &Config, target_directory: &Path, package: &cargo_m
env::set_var("AR", llvm_bin.join("llvm-ar"));
env::set_var("OBJDUMP", llvm_bin.join("llvm-objdump"));
env::set_var("OBJCOPY", llvm_bin.join("llvm-objcopy"));
let mut rust_flags = String::from("-C lto=no");
rust_flags.push_str(" -C opt-level=2");
env::set_var("RUSTFLAGS", rust_flags);
env::set_var("RUSTFLAGS", "-C lto=no");
let cargo_build = PathBuf::from("cargo");
let mut cargo_build_args = vec![
"+bpf",