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merged 4 commits into from
May 30, 2019
Merged

ci: Attempt to skip a full rustc compile on dist* #61212

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ad52c77
ci: Attempt to skip a full rustc compile on dist*
alexcrichton May 26, 2019
f7cc467
rustbuild: Tweak how stage1 compilers are selected
alexcrichton May 28, 2019
59291dc
rustbuild: Assert extended builds don't dist too much
alexcrichton May 28, 2019
7b362bb
Fixup style
alexcrichton May 28, 2019
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133 changes: 82 additions & 51 deletions src/bootstrap/builder.rs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -577,6 +577,30 @@ impl<'a> Builder<'a> {
})
}

/// Similar to `compiler`, except handles the full-bootstrap option to
/// silently use the stage1 compiler instead of a stage2 compiler if one is
/// requested.
///
/// Note that this does *not* have the side effect of creating
/// `compiler(stage, host)`, unlike `compiler` above which does have such
/// a side effect. The returned compiler here can only be used to compile
/// new artifacts, it can't be used to rely on the presence of a particular
/// sysroot.
///
/// See `force_use_stage1` for documentation on what each argument is.
pub fn compiler_for(
&self,
stage: u32,
host: Interned<String>,
target: Interned<String>,
) -> Compiler {
if self.build.force_use_stage1(Compiler { stage, host }, target) {
self.compiler(1, self.config.build)
} else {
self.compiler(stage, host)
}
}

pub fn sysroot(&self, compiler: Compiler) -> Interned<PathBuf> {
self.ensure(compile::Sysroot { compiler })
}
Expand Down Expand Up @@ -750,11 +774,7 @@ impl<'a> Builder<'a> {
// This is for the original compiler, but if we're forced to use stage 1, then
// std/test/rustc stamps won't exist in stage 2, so we need to get those from stage 1, since
// we copy the libs forward.
let cmp = if self.force_use_stage1(compiler, target) {
self.compiler(1, compiler.host)
} else {
compiler
};
let cmp = self.compiler_for(compiler.stage, compiler.host, target);

let libstd_stamp = match cmd {
"check" => check::libstd_stamp(self, cmp, target),
Expand Down Expand Up @@ -1356,7 +1376,7 @@ mod __test {

assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[dist::Docs { stage: 2, host: a },]
&[dist::Docs { host: a },]
);
assert_eq!(
first(builder.cache.all::<dist::Mingw>()),
Expand All @@ -1371,7 +1391,7 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Std>()),
&[dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},]
);
Expand All @@ -1390,8 +1410,8 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[
dist::Docs { stage: 2, host: a },
dist::Docs { stage: 2, host: b },
dist::Docs { host: a },
dist::Docs { host: b },
]
);
assert_eq!(
Expand All @@ -1408,7 +1428,7 @@ mod __test {
first(builder.cache.all::<dist::Std>()),
&[
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},
dist::Std {
Expand All @@ -1432,8 +1452,8 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[
dist::Docs { stage: 2, host: a },
dist::Docs { stage: 2, host: b },
dist::Docs { host: a },
dist::Docs { host: b },
]
);
assert_eq!(
Expand All @@ -1455,18 +1475,52 @@ mod __test {
first(builder.cache.all::<dist::Std>()),
&[
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: b,
},
]
);
assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
}

#[test]
fn dist_only_cross_host() {
let a = INTERNER.intern_str("A");
let b = INTERNER.intern_str("B");
let mut build = Build::new(configure(&["B"], &[]));
build.config.docs = false;
build.config.extended = true;
build.hosts = vec![b];
let mut builder = Builder::new(&build);
builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);

assert_eq!(
first(builder.cache.all::<dist::Rustc>()),
&[
dist::Rustc {
compiler: Compiler { host: b, stage: 2 }
},
]
);
assert_eq!(
first(builder.cache.all::<compile::Rustc>()),
&[
compile::Rustc {
compiler: Compiler { host: a, stage: 0 },
target: a,
},
compile::Rustc {
compiler: Compiler { host: a, stage: 1 },
target: b,
},
]
);
}

#[test]
fn dist_with_targets_and_hosts() {
let build = Build::new(configure(&["B"], &["C"]));
Expand All @@ -1480,9 +1534,9 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[
dist::Docs { stage: 2, host: a },
dist::Docs { stage: 2, host: b },
dist::Docs { stage: 2, host: c },
dist::Docs { host: a },
dist::Docs { host: b },
dist::Docs { host: c },
]
);
assert_eq!(
Expand All @@ -1508,11 +1562,11 @@ mod __test {
first(builder.cache.all::<dist::Std>()),
&[
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: b,
},
dist::Std {
Expand All @@ -1539,9 +1593,9 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[
dist::Docs { stage: 2, host: a },
dist::Docs { stage: 2, host: b },
dist::Docs { stage: 2, host: c },
dist::Docs { host: a },
dist::Docs { host: b },
dist::Docs { host: c },
]
);
assert_eq!(
Expand All @@ -1557,11 +1611,11 @@ mod __test {
first(builder.cache.all::<dist::Std>()),
&[
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: b,
},
dist::Std {
Expand All @@ -1585,8 +1639,8 @@ mod __test {
assert_eq!(
first(builder.cache.all::<dist::Docs>()),
&[
dist::Docs { stage: 2, host: a },
dist::Docs { stage: 2, host: b },
dist::Docs { host: a },
dist::Docs { host: b },
]
);
assert_eq!(
Expand All @@ -1608,11 +1662,11 @@ mod __test {
first(builder.cache.all::<dist::Std>()),
&[
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: a,
},
dist::Std {
compiler: Compiler { host: a, stage: 2 },
compiler: Compiler { host: a, stage: 1 },
target: b,
},
]
Expand Down Expand Up @@ -1662,10 +1716,6 @@ mod __test {
compiler: Compiler { host: a, stage: 1 },
target: b,
},
compile::Test {
compiler: Compiler { host: a, stage: 2 },
target: b,
},
]
);
assert_eq!(
Expand Down Expand Up @@ -1718,10 +1768,6 @@ mod __test {
compiler: Compiler { host: b, stage: 2 },
target: a,
},
compile::Rustc {
compiler: Compiler { host: a, stage: 0 },
target: b,
},
compile::Rustc {
compiler: Compiler { host: a, stage: 1 },
target: b,
Expand Down Expand Up @@ -1756,10 +1802,6 @@ mod __test {
compiler: Compiler { host: b, stage: 2 },
target: a,
},
compile::Test {
compiler: Compiler { host: a, stage: 0 },
target: b,
},
compile::Test {
compiler: Compiler { host: a, stage: 1 },
target: b,
Expand Down Expand Up @@ -1806,9 +1848,6 @@ mod __test {
compile::Assemble {
target_compiler: Compiler { host: a, stage: 1 },
},
compile::Assemble {
target_compiler: Compiler { host: b, stage: 1 },
},
compile::Assemble {
target_compiler: Compiler { host: a, stage: 2 },
},
Expand All @@ -1828,10 +1867,6 @@ mod __test {
compiler: Compiler { host: a, stage: 1 },
target: a,
},
compile::Rustc {
compiler: Compiler { host: a, stage: 0 },
target: b,
},
compile::Rustc {
compiler: Compiler { host: a, stage: 1 },
target: b,
Expand All @@ -1858,10 +1893,6 @@ mod __test {
compiler: Compiler { host: b, stage: 2 },
target: a,
},
compile::Test {
compiler: Compiler { host: a, stage: 0 },
target: b,
},
compile::Test {
compiler: Compiler { host: a, stage: 1 },
target: b,
Expand Down
29 changes: 16 additions & 13 deletions src/bootstrap/compile.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -70,20 +70,20 @@ impl Step for Std {

builder.ensure(StartupObjects { compiler, target });

if builder.force_use_stage1(compiler, target) {
let from = builder.compiler(1, builder.config.build);
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
if compiler_to_use != compiler {
builder.ensure(Std {
compiler: from,
compiler: compiler_to_use,
target,
});
builder.info(&format!("Uplifting stage1 std ({} -> {})", from.host, target));
builder.info(&format!("Uplifting stage1 std ({} -> {})", compiler_to_use.host, target));

// Even if we're not building std this stage, the new sysroot must
// still contain the third party objects needed by various targets.
copy_third_party_objects(builder, &compiler, target);

builder.ensure(StdLink {
compiler: from,
compiler: compiler_to_use,
target_compiler: compiler,
target,
});
Expand Down Expand Up @@ -402,15 +402,16 @@ impl Step for Test {
return;
}

if builder.force_use_stage1(compiler, target) {
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
if compiler_to_use != compiler {
builder.ensure(Test {
compiler: builder.compiler(1, builder.config.build),
compiler: compiler_to_use,
target,
});
builder.info(
&format!("Uplifting stage1 test ({} -> {})", builder.config.build, target));
builder.ensure(TestLink {
compiler: builder.compiler(1, builder.config.build),
compiler: compiler_to_use,
target_compiler: compiler,
target,
});
Expand Down Expand Up @@ -527,15 +528,16 @@ impl Step for Rustc {
return;
}

if builder.force_use_stage1(compiler, target) {
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
if compiler_to_use != compiler {
builder.ensure(Rustc {
compiler: builder.compiler(1, builder.config.build),
compiler: compiler_to_use,
target,
});
builder.info(&format!("Uplifting stage1 rustc ({} -> {})",
builder.config.build, target));
builder.ensure(RustcLink {
compiler: builder.compiler(1, builder.config.build),
compiler: compiler_to_use,
target_compiler: compiler,
target,
});
Expand Down Expand Up @@ -691,9 +693,10 @@ impl Step for CodegenBackend {
return;
}

if builder.force_use_stage1(compiler, target) {
let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
if compiler_to_use != compiler {
builder.ensure(CodegenBackend {
compiler: builder.compiler(1, builder.config.build),
compiler: compiler_to_use,
target,
backend,
});
Expand Down
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