[experiment] perf-test smallvec optimizations

Author: the8472

Cargo.lock

@@ -2160,7 +2160,7 @@ dependencies = [
  "parking_lot",
  "perf-event-open-sys",
  "rustc-hash",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2174,7 +2174,7 @@ dependencies = [
  "parking_lot",
  "perf-event-open-sys",
  "rustc-hash",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2286,7 +2286,7 @@ dependencies = [
  "rustc-workspace-hack",
  "rustc_version 0.4.0",
  "shell-escape",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2530,7 +2530,7 @@ dependencies = [
  "instant",
  "libc",
  "redox_syscall",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi",
 ]
 
@@ -3224,7 +3224,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "550ca1a0925d31a0af089b18c89f5adf3b286e319e3e1f1a5204c21bd2f17371"
 dependencies = [
  "rustc-ap-rustc_data_structures",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3240,7 +3240,7 @@ dependencies = [
  "rustc-ap-rustc_macros",
  "rustc-ap-rustc_serialize",
  "rustc-ap-rustc_span",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing",
 ]
 
@@ -3279,7 +3279,7 @@ dependencies = [
  "rustc-hash",
  "rustc-rayon",
  "rustc-rayon-core",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "stable_deref_trait",
  "stacker",
  "tempfile",
@@ -3391,7 +3391,7 @@ dependencies = [
  "rustc-ap-rustc_lexer",
  "rustc-ap-rustc_session",
  "rustc-ap-rustc_span",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing",
  "unicode-normalization",
 ]
@@ -3403,7 +3403,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f741f8e9aee6323fbe127329490608a5a250cc0072ac91e684ef62518cdb1ff"
 dependencies = [
  "indexmap",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3554,7 +3554,7 @@ dependencies = [
  "rand_core 0.5.1",
  "serde",
  "serde_json",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn",
  "url 2.2.2",
  "winapi",
@@ -3565,15 +3565,15 @@ name = "rustc_apfloat"
 version = "0.0.0"
 dependencies = [
  "bitflags",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
 ]
 
 [[package]]
 name = "rustc_arena"
 version = "0.0.0"
 dependencies = [
  "rustc_data_structures",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
 ]
 
 [[package]]
@@ -3587,7 +3587,7 @@ dependencies = [
  "rustc_macros",
  "rustc_serialize",
  "rustc_span",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3606,7 +3606,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3676,7 +3676,7 @@ dependencies = [
  "rustc_target",
  "rustc_trait_selection",
  "rustc_traits",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3697,7 +3697,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3727,7 +3727,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "snap",
  "tracing",
 ]
@@ -3762,7 +3762,7 @@ dependencies = [
  "rustc_span",
  "rustc_symbol_mangling",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tempfile",
  "tracing",
 ]
@@ -3811,7 +3811,7 @@ dependencies = [
  "rustc_index",
  "rustc_macros",
  "rustc_serialize",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "stable_deref_trait",
  "stacker",
  "tempfile",
@@ -3893,7 +3893,7 @@ dependencies = [
  "rustc_serialize",
  "rustc_session",
  "rustc_span",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3926,7 +3926,7 @@ dependencies = [
  "rustc_serialize",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -3983,7 +3983,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4029,7 +4029,7 @@ dependencies = [
  "rustc_traits",
  "rustc_ty_utils",
  "rustc_typeck",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tempfile",
  "tracing",
  "winapi",
@@ -4120,7 +4120,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "snap",
  "tracing",
  "winapi",
@@ -4156,7 +4156,7 @@ dependencies = [
  "rustc_span",
  "rustc_target",
  "rustc_type_ir",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4179,7 +4179,7 @@ dependencies = [
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4199,7 +4199,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4224,7 +4224,7 @@ dependencies = [
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4240,7 +4240,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4360,7 +4360,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4385,7 +4385,7 @@ dependencies = [
  "rustc_query_system",
  "rustc_session",
  "rustc_span",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4414,7 +4414,7 @@ version = "0.0.0"
 dependencies = [
  "indexmap",
  "rustc_macros",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
 ]
 
 [[package]]
@@ -4513,7 +4513,7 @@ dependencies = [
  "rustc_session",
  "rustc_span",
  "rustc_target",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4533,7 +4533,7 @@ dependencies = [
  "rustc_middle",
  "rustc_span",
  "rustc_trait_selection",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4585,7 +4585,7 @@ dependencies = [
  "rustc_target",
  "rustc_trait_selection",
  "rustc_ty_utils",
- "smallvec",
+ "smallvec 1.7.0 (git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from)",
  "tracing",
 ]
 
@@ -4621,7 +4621,7 @@ dependencies = [
  "rustdoc-json-types",
  "serde",
  "serde_json",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile",
  "tera",
  "tracing",
@@ -4955,6 +4955,11 @@ version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
 
+[[package]]
+name = "smallvec"
+version = "1.7.0"
+source = "git+https://github.com/the8472/rust-smallvec.git?branch=delegate-vec-extend-from#b0e617c85ccb5a410c07e00c887d0ffd327b296a"
+
 [[package]]
 name = "snap"
 version = "1.0.1"
@@ -5466,7 +5471,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sharded-slab",
- "smallvec",
+ "smallvec 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local",
  "tracing",
  "tracing-core",

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"