[experiment] perf-test smallvec optimizations

Cargo.lock

@@ -4952,8 +4952,7 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 [[package]]
 name = "smallvec"
 version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
+source = "git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from#5b6f5d9f3444988173e86b6a6edfc77bc414be8e"
 
 [[package]]
 name = "snap"

Cargo.toml

@@ -124,6 +124,7 @@ rustfmt-nightly = { path = "src/tools/rustfmt" }
 # See comments in `src/tools/rustc-workspace-hack/README.md` for what's going on
 # here
 rustc-workspace-hack = { path = 'src/tools/rustc-workspace-hack' }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from" }
 
 # See comments in `library/rustc-std-workspace-core/README.md` for what's going on
 # here

compiler/rustc_apfloat/Cargo.toml

@@ -5,4 +5,4 @@ edition = "2021"
 
 [dependencies]
 bitflags = "1.2.1"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_arena/Cargo.toml

@@ -5,4 +5,4 @@ edition = "2021"
 
 [dependencies]
 rustc_data_structures = { path = "../rustc_data_structures" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_ast/Cargo.toml

@@ -14,5 +14,5 @@ rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_index = { path = "../rustc_index" }
 rustc_lexer = { path = "../rustc_lexer" }
 rustc_macros = { path = "../rustc_macros" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 bitflags = "1.2.1"

compiler/rustc_ast_lowering/Cargo.toml

@@ -19,4 +19,4 @@ rustc_span = { path = "../rustc_span" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_session = { path = "../rustc_session" }
 rustc_ast = { path = "../rustc_ast" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_borrowck/Cargo.toml

@@ -11,7 +11,7 @@ either = "1.5.0"
 itertools = "0.9"
 tracing = "0.1"
 polonius-engine = "0.13.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }
 rustc_graphviz = { path = "../rustc_graphviz" }

compiler/rustc_builtin_macros/Cargo.toml

@@ -18,7 +18,7 @@ rustc_lexer = { path = "../rustc_lexer" }
 rustc_parse = { path = "../rustc_parse" }
 rustc_target = { path = "../rustc_target" }
 rustc_session = { path = "../rustc_session" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_ast = { path = "../rustc_ast" }
 rustc_expand = { path = "../rustc_expand" }
 rustc_span = { path = "../rustc_span" }

compiler/rustc_codegen_cranelift/Cargo.lock

@@ -302,3 +302,8 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[patch.unused]]
+name = "smallvec"
+version = "1.7.0"
+source = "git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from#b0e617c85ccb5a410c07e00c887d0ffd327b296a"

compiler/rustc_codegen_cranelift/Cargo.toml

@@ -35,6 +35,9 @@ smallvec = "1.6.1"
 #[patch.crates-io]
 #gimli = { path = "../" }
 
+[patch.'crates-io']
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from" }
+
 [features]
 # Enable features not ready to be enabled when compiling as part of rustc
 unstable-features = ["jit", "inline_asm"]

compiler/rustc_codegen_llvm/Cargo.toml

@@ -30,6 +30,6 @@ rustc_query_system = { path = "../rustc_query_system" }
 rustc_session = { path = "../rustc_session" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_target = { path = "../rustc_target" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }

compiler/rustc_codegen_ssa/Cargo.toml

@@ -15,7 +15,7 @@ libc = "0.2.50"
 jobserver = "0.1.22"
 tempfile = "3.2"
 pathdiff = "0.2.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 regex = "1.4"
 
 rustc_serialize = { path = "../rustc_serialize" }

compiler/rustc_data_structures/Cargo.toml

@@ -20,7 +20,7 @@ stable_deref_trait = "1.0.0"
 rayon = { version = "0.3.1", package = "rustc-rayon" }
 rayon-core = { version = "0.3.1", package = "rustc-rayon-core" }
 rustc-hash = "1.1.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_index = { path = "../rustc_index", package = "rustc_index" }
 bitflags = "1.2.1"
 measureme = "10.0.0"

compiler/rustc_expand/Cargo.toml

@@ -22,5 +22,5 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_lexer = { path = "../rustc_lexer" }
 rustc_parse = { path = "../rustc_parse" }
 rustc_session = { path = "../rustc_session" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_ast = { path = "../rustc_ast" }

compiler/rustc_hir/Cargo.toml

@@ -16,5 +16,5 @@ rustc_span = { path = "../rustc_span" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_ast = { path = "../rustc_ast" }
 tracing = "0.1"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 odht = { version = "0.3.1", features = ["nightly"] }

compiler/rustc_infer/Cargo.toml

@@ -18,4 +18,4 @@ rustc_session = { path = "../rustc_session" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_span = { path = "../rustc_span" }
 rustc_target = { path = "../rustc_target" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_interface/Cargo.toml

@@ -11,7 +11,7 @@ libc = "0.2"
 tracing = "0.1"
 rustc-rayon-core = "0.3.1"
 rayon = { version = "0.3.1", package = "rustc-rayon" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_ast = { path = "../rustc_ast" }
 rustc_attr = { path = "../rustc_attr" }
 rustc_borrowck = { path = "../rustc_borrowck" }

compiler/rustc_metadata/Cargo.toml

@@ -11,7 +11,7 @@ libc = "0.2"
 odht = { version = "0.3.1", features = ["nightly"] }
 snap = "1"
 tracing = "0.1"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_middle = { path = "../rustc_middle" }
 rustc_attr = { path = "../rustc_attr" }
 rustc_data_structures = { path = "../rustc_data_structures" }

compiler/rustc_middle/Cargo.toml

@@ -30,7 +30,7 @@ rustc_serialize = { path = "../rustc_serialize" }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
 chalk-ir = "0.55.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_session = { path = "../rustc_session" }
 rustc_type_ir = { path = "../rustc_type_ir" }
 rand = "0.8.4"

compiler/rustc_mir_build/Cargo.toml

@@ -23,4 +23,4 @@ rustc_span = { path = "../rustc_span" }
 rustc_target = { path = "../rustc_target" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }
 rustc_ast = { path = "../rustc_ast" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_mir_dataflow/Cargo.toml

@@ -9,7 +9,7 @@ doctest = false
 [dependencies]
 polonius-engine = "0.13.0"
 regex = "1"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 tracing = "0.1"
 rustc_ast = { path = "../rustc_ast" }
 rustc_data_structures = { path = "../rustc_data_structures" }

compiler/rustc_mir_transform/Cargo.toml

@@ -8,7 +8,7 @@ doctest = false
 
 [dependencies]
 itertools = "0.9"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 tracing = "0.1"
 rustc_ast = { path = "../rustc_ast" }
 rustc_attr = { path = "../rustc_attr" }

compiler/rustc_monomorphize/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 doctest = false
 
 [dependencies]
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 tracing = "0.1"
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_errors = { path = "../rustc_errors" }

compiler/rustc_query_system/Cargo.toml

@@ -22,4 +22,4 @@ rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
 rustc_target = { path = "../rustc_target" }
 parking_lot = "0.11"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_resolve/Cargo.toml

@@ -26,4 +26,4 @@ rustc_metadata = { path = "../rustc_metadata" }
 rustc_query_system = { path = "../rustc_query_system" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_serialize/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 indexmap = "1"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 
 [dev-dependencies]
 rustc_macros = { path = "../rustc_macros" }

compiler/rustc_trait_selection/Cargo.toml

@@ -23,4 +23,4 @@ rustc_query_system = { path = "../rustc_query_system" }
 rustc_session = { path = "../rustc_session" }
 rustc_span = { path = "../rustc_span" }
 rustc_target = { path = "../rustc_target" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }

compiler/rustc_traits/Cargo.toml

@@ -15,6 +15,6 @@ rustc_span = { path = "../rustc_span" }
 chalk-ir = "0.55.0"
 chalk-solve = "0.55.0"
 chalk-engine = "0.55.0"
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_infer = { path = "../rustc_infer" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }

compiler/rustc_typeck/Cargo.toml

@@ -19,7 +19,7 @@ rustc_hir = { path = "../rustc_hir" }
 rustc_hir_pretty = { path = "../rustc_hir_pretty" }
 rustc_target = { path = "../rustc_target" }
 rustc_session = { path = "../rustc_session" }
-smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
+smallvec = { git = "https://github.com/the8472/rust-smallvec.git", branch = "delegate-vec-extend-from", features = ["union", "may_dangle"] }
 rustc_ast = { path = "../rustc_ast" }
 rustc_span = { path = "../rustc_span" }
 rustc_index = { path = "../rustc_index" }

src/bootstrap/configure.py

@@ -356,6 +356,8 @@ def set(key, value):
         set('rust.lld', True)
         set('rust.llvm-tools', True)
         set('build.extended', True)
+    elif option.name == 'build.tools':
+        set('tools', value.split(','))
     elif option.name == 'option-checking':
         # this was handled above
         pass

src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile

@@ -113,6 +113,7 @@ ENV HOSTS=x86_64-unknown-linux-gnu
 
 ENV RUST_CONFIGURE_ARGS \
       --enable-full-tools \
+      --tools=cargo,src \
       --enable-sanitizers \
       --enable-profiler \
       --enable-compiler-docs \

src/tools/tidy/src/extdeps.rs

@@ -4,7 +4,10 @@ use std::fs;
 use std::path::Path;
 
 /// List of allowed sources for packages.
-const ALLOWED_SOURCES: &[&str] = &["\"registry+https://github.com/rust-lang/crates.io-index\""];
+const ALLOWED_SOURCES: &[&str] = &[
+    "\"registry+https://github.com/rust-lang/crates.io-index\"",
+    r#""git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from#5b6f5d9f3444988173e86b6a6edfc77bc414be8e""#,
+];
 
 /// Checks for external package sources. `root` is the path to the directory that contains the
 /// workspace `Cargo.toml`.