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Shourya742Shourya742
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add llvm default implementation
1 parent bbe7c08 commit 38ddefa

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2 files changed

+97
-111
lines changed

2 files changed

+97
-111
lines changed

‎src/bootstrap/src/core/config/config.rs‎

Lines changed: 96 additions & 111 deletions
Original file line numberDiff line numberDiff line change
@@ -1157,126 +1157,111 @@ impl Config {
11571157
config.channel = channel;
11581158
}
11591159

1160-
let mut llvm_tests = None;
1161-
let mut llvm_enzyme = None;
1162-
let mut llvm_offload = None;
1163-
let mut llvm_plugins = None;
1164-
1165-
if let Some(llvm) = toml.llvm {
1166-
let Llvm {
1167-
optimize: optimize_toml,
1168-
thin_lto,
1169-
release_debuginfo,
1170-
assertions: _,
1171-
tests,
1172-
enzyme,
1173-
plugins,
1174-
static_libstdcpp,
1175-
libzstd,
1176-
ninja,
1177-
targets,
1178-
experimental_targets,
1179-
link_jobs,
1180-
link_shared,
1181-
version_suffix,
1182-
clang_cl,
1183-
cflags,
1184-
cxxflags,
1185-
ldflags,
1186-
use_libcxx,
1187-
use_linker,
1188-
allow_old_toolchain,
1189-
offload,
1190-
polly,
1191-
clang,
1192-
enable_warnings,
1193-
download_ci_llvm,
1194-
build_config,
1195-
} = llvm;
1196-
1197-
set(&mut config.ninja_in_file, ninja);
1198-
llvm_tests = tests;
1199-
llvm_enzyme = enzyme;
1200-
llvm_offload = offload;
1201-
llvm_plugins = plugins;
1202-
set(&mut config.llvm_optimize, optimize_toml);
1203-
set(&mut config.llvm_thin_lto, thin_lto);
1204-
set(&mut config.llvm_release_debuginfo, release_debuginfo);
1205-
set(&mut config.llvm_static_stdcpp, static_libstdcpp);
1206-
set(&mut config.llvm_libzstd, libzstd);
1207-
if let Some(v) = link_shared {
1208-
config.llvm_link_shared.set(Some(v));
1209-
}
1210-
config.llvm_targets.clone_from(&targets);
1211-
config.llvm_experimental_targets.clone_from(&experimental_targets);
1212-
config.llvm_link_jobs = link_jobs;
1213-
config.llvm_version_suffix.clone_from(&version_suffix);
1214-
config.llvm_clang_cl.clone_from(&clang_cl);
1215-
1216-
config.llvm_cflags.clone_from(&cflags);
1217-
config.llvm_cxxflags.clone_from(&cxxflags);
1218-
config.llvm_ldflags.clone_from(&ldflags);
1219-
set(&mut config.llvm_use_libcxx, use_libcxx);
1220-
config.llvm_use_linker.clone_from(&use_linker);
1221-
config.llvm_allow_old_toolchain = allow_old_toolchain.unwrap_or(false);
1222-
config.llvm_offload = offload.unwrap_or(false);
1223-
config.llvm_polly = polly.unwrap_or(false);
1224-
config.llvm_clang = clang.unwrap_or(false);
1225-
config.llvm_enable_warnings = enable_warnings.unwrap_or(false);
1226-
config.llvm_build_config = build_config.clone().unwrap_or(Default::default());
1227-
1228-
config.llvm_from_ci =
1229-
config.parse_download_ci_llvm(download_ci_llvm, config.llvm_assertions);
1230-
1231-
if config.llvm_from_ci {
1232-
let warn = |option: &str| {
1233-
println!(
1234-
"WARNING: `{option}` will only be used on `compiler/rustc_llvm` build, not for the LLVM build."
1235-
);
1236-
println!(
1237-
"HELP: To use `{option}` for LLVM builds, set `download-ci-llvm` option to false."
1238-
);
1239-
};
1160+
let Llvm {
1161+
optimize: optimize_toml,
1162+
thin_lto,
1163+
release_debuginfo,
1164+
assertions: _,
1165+
tests: llvm_tests,
1166+
enzyme: llvm_enzyme,
1167+
plugins: llvm_plugin,
1168+
static_libstdcpp,
1169+
libzstd,
1170+
ninja,
1171+
targets,
1172+
experimental_targets,
1173+
link_jobs,
1174+
link_shared,
1175+
version_suffix,
1176+
clang_cl,
1177+
cflags,
1178+
cxxflags,
1179+
ldflags,
1180+
use_libcxx,
1181+
use_linker,
1182+
allow_old_toolchain,
1183+
offload: llvm_offload,
1184+
polly,
1185+
clang,
1186+
enable_warnings,
1187+
download_ci_llvm,
1188+
build_config,
1189+
} = toml.llvm.unwrap_or_default();
1190+
1191+
set(&mut config.ninja_in_file, ninja);
1192+
set(&mut config.llvm_optimize, optimize_toml);
1193+
set(&mut config.llvm_thin_lto, thin_lto);
1194+
set(&mut config.llvm_release_debuginfo, release_debuginfo);
1195+
set(&mut config.llvm_static_stdcpp, static_libstdcpp);
1196+
set(&mut config.llvm_libzstd, libzstd);
1197+
if let Some(v) = link_shared {
1198+
config.llvm_link_shared.set(Some(v));
1199+
}
1200+
config.llvm_targets.clone_from(&targets);
1201+
config.llvm_experimental_targets.clone_from(&experimental_targets);
1202+
config.llvm_link_jobs = link_jobs;
1203+
config.llvm_version_suffix.clone_from(&version_suffix);
1204+
config.llvm_clang_cl.clone_from(&clang_cl);
1205+
config.llvm_tests = llvm_tests.unwrap_or_default();
1206+
config.llvm_enzyme = llvm_enzyme.unwrap_or_default();
1207+
config.llvm_plugins = llvm_plugin.unwrap_or_default();
1208+
1209+
config.llvm_cflags.clone_from(&cflags);
1210+
config.llvm_cxxflags.clone_from(&cxxflags);
1211+
config.llvm_ldflags.clone_from(&ldflags);
1212+
set(&mut config.llvm_use_libcxx, use_libcxx);
1213+
config.llvm_use_linker.clone_from(&use_linker);
1214+
config.llvm_allow_old_toolchain = allow_old_toolchain.unwrap_or(false);
1215+
config.llvm_offload = llvm_offload.unwrap_or(false);
1216+
config.llvm_polly = polly.unwrap_or(false);
1217+
config.llvm_clang = clang.unwrap_or(false);
1218+
config.llvm_enable_warnings = enable_warnings.unwrap_or(false);
1219+
config.llvm_build_config = build_config.clone().unwrap_or(Default::default());
12401220

1241-
if static_libstdcpp.is_some() {
1242-
warn("static-libstdcpp");
1243-
}
1221+
config.llvm_from_ci =
1222+
config.parse_download_ci_llvm(download_ci_llvm, config.llvm_assertions);
12441223

1245-
if link_shared.is_some() {
1246-
warn("link-shared");
1247-
}
1224+
if config.llvm_from_ci {
1225+
let warn = |option: &str| {
1226+
println!(
1227+
"WARNING: `{option}` will only be used on `compiler/rustc_llvm` build, not for the LLVM build."
1228+
);
1229+
println!(
1230+
"HELP: To use `{option}` for LLVM builds, set `download-ci-llvm` option to false."
1231+
);
1232+
};
12481233

1249-
// FIXME(#129153): instead of all the ad-hoc `download-ci-llvm` checks that follow,
1250-
// use the `builder-config` present in tarballs since #128822 to compare the local
1251-
// config to the ones used to build the LLVM artifacts on CI, and only notify users
1252-
// if they've chosen a different value.
1234+
if static_libstdcpp.is_some() {
1235+
warn("static-libstdcpp");
1236+
}
12531237

1254-
if libzstd.is_some() {
1255-
println!(
1256-
"WARNING: when using `download-ci-llvm`, the local `llvm.libzstd` option, \
1257-
like almost all `llvm.*` options, will be ignored and set by the LLVM CI \
1258-
artifacts builder config."
1259-
);
1260-
println!(
1261-
"HELP: To use `llvm.libzstd` for LLVM/LLD builds, set `download-ci-llvm` option to false."
1262-
);
1263-
}
1238+
if link_shared.is_some() {
1239+
warn("link-shared");
12641240
}
12651241

1266-
if !config.llvm_from_ci && config.llvm_thin_lto && link_shared.is_none() {
1267-
// If we're building with ThinLTO on, by default we want to link
1268-
// to LLVM shared, to avoid re-doing ThinLTO (which happens in
1269-
// the link step) with each stage.
1270-
config.llvm_link_shared.set(Some(true));
1242+
// FIXME(#129153): instead of all the ad-hoc `download-ci-llvm` checks that follow,
1243+
// use the `builder-config` present in tarballs since #128822 to compare the local
1244+
// config to the ones used to build the LLVM artifacts on CI, and only notify users
1245+
// if they've chosen a different value.
1246+
1247+
if libzstd.is_some() {
1248+
println!(
1249+
"WARNING: when using `download-ci-llvm`, the local `llvm.libzstd` option, \
1250+
like almost all `llvm.*` options, will be ignored and set by the LLVM CI \
1251+
artifacts builder config."
1252+
);
1253+
println!(
1254+
"HELP: To use `llvm.libzstd` for LLVM/LLD builds, set `download-ci-llvm` option to false."
1255+
);
12711256
}
1272-
} else {
1273-
config.llvm_from_ci = config.parse_download_ci_llvm(None, false);
12741257
}
12751258

1276-
config.llvm_tests = llvm_tests.unwrap_or(false);
1277-
config.llvm_enzyme = llvm_enzyme.unwrap_or(false);
1278-
config.llvm_offload = llvm_offload.unwrap_or(false);
1279-
config.llvm_plugins = llvm_plugins.unwrap_or(false);
1259+
if !config.llvm_from_ci && config.llvm_thin_lto && link_shared.is_none() {
1260+
// If we're building with ThinLTO on, by default we want to link
1261+
// to LLVM shared, to avoid re-doing ThinLTO (which happens in
1262+
// the link step) with each stage.
1263+
config.llvm_link_shared.set(Some(true));
1264+
}
12801265

12811266
let Gcc { download_ci_gcc: gcc_download_ci_gcc } = toml.gcc.unwrap_or_default();
12821267

‎src/bootstrap/src/core/config/toml/llvm.rs‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -9,6 +9,7 @@ use crate::{HashMap, HashSet, PathBuf, define_config, exit};
99

1010
define_config! {
1111
/// TOML representation of how the LLVM build is configured.
12+
#[derive(Default)]
1213
struct Llvm {
1314
optimize: Option<bool> = "optimize",
1415
thin_lto: Option<bool> = "thin-lto",

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