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Rollup merge of #116556 - bjorn3:sync_cg_clif-2023-10-09, r=bjorn3

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Sync rustc_codegen_cranelift

The highlights this time are improved simd and inline asm support, `is_x86_feature_detected!()` returning the actual cpu features when inline asm support is enabled and a couple of bug fixes.

r? ```@ghost```

```@rustbot``` label +A-codegen +A-cranelift +T-compiler +subtree-sync
This commit is contained in:
Matthias Krüger 2023-10-09 16:26:02 +02:00 committed by GitHub
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166
compiler/rustc_codegen_cranelift/Cargo.lock
View File

@ -15,9 +15,9 @@ dependencies = [
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@ -51,18 +45,18 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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@ -72,7 +66,7 @@ dependencies = [
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@ -81,39 +75,39 @@ dependencies = [
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@ -123,15 +117,15 @@ dependencies = [
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@ -160,9 +154,9 @@ dependencies = [
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"object",
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16
compiler/rustc_codegen_cranelift/Cargo.toml
View File

@ -8,15 +8,15 @@ crate-type = ["dylib"]
[dependencies]
# These have to be in sync with each other
cranelift-codegen = { version = "0.98", features = ["unwind", "all-arch"] }
cranelift-frontend = { version = "0.98" }
cranelift-module = { version = "0.98" }
cranelift-native = { version = "0.98" }
cranelift-jit = { version = "0.98", optional = true }
cranelift-object = { version = "0.98" }
cranelift-codegen = { version = "0.100", features = ["unwind", "all-arch"] }
cranelift-frontend = { version = "0.100" }
cranelift-module = { version = "0.100" }
cranelift-native = { version = "0.100" }
cranelift-jit = { version = "0.100", optional = true }
cranelift-object = { version = "0.100" }
target-lexicon = "0.12.0"
gimli = { version = "0.27.2", default-features = false, features = ["write"]}
object = { version = "0.30.3", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] }
gimli = { version = "0.28", default-features = false, features = ["write"]}
object = { version = "0.32", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] }
indexmap = "2.0.0"
libloading = { version = "0.7.3", optional = true }

14
compiler/rustc_codegen_cranelift/Readme.md
View File

@ -60,18 +60,14 @@ You need to do this steps to successfully compile and use the cranelift backend
2. Run `python x.py setup` and choose option for compiler (`b`).
3. Build compiler and necessary tools: `python x.py build --stage=2 compiler library/std src/tools/rustdoc src/tools/rustfmt`
* (Optional) You can also build cargo by adding `src/tools/cargo` to previous command.
4. Copy exectutable files from `./build/host/stage2-tools/<your hostname triple>/release`
to `./build/host/stage2/bin/`. Note that you would need to do this every time you rebuilt `rust` repository.
5. Copy cargo from another toolchain: `cp $(rustup which cargo) .build/<your hostname triple>/stage2/bin/cargo`
* Another option is to build it at step 3 and copy with other executables at step 4.
6. Link your new `rustc` to toolchain: `rustup toolchain link stage2 ./build/host/stage2/`.
7. (Windows only) compile the build system: `rustc +stage2 -O build_system/main.rs -o y.exe`.
8. You need to prefix every `./y.sh` (or `y` if you built `build_system/main.rs` as `y`) command by `rustup run stage2` to make cg_clif use your local changes in rustc.
4. Copy cargo from a nightly toolchain: `cp $(rustup +nightly which cargo) ./build/host/stage2/bin/cargo`. Note that you would need to do this every time you rebuilt `rust` repository.
5. Link your new `rustc` to toolchain: `rustup toolchain link stage2 ./build/host/stage2/`.
6. (Windows only) compile the build system: `rustc +stage2 -O build_system/main.rs -o y.exe`.
7. You need to prefix every `./y.sh` (or `y` if you built `build_system/main.rs` as `y`) command by `rustup run stage2` to make cg_clif use your local changes in rustc.
* `rustup run stage2 ./y.sh prepare`
* `rustup run stage2 ./y.sh build`
* (Optional) run tests: `rustup run stage2 ./y.sh test`
9. Now you can use your cg_clif build to compile other Rust programs, e.g. you can open any Rust crate and run commands like `$RustCheckoutDir/compiler/rustc_codegen_cranelift/dist/cargo-clif build --release`.
8. Now you can use your cg_clif build to compile other Rust programs, e.g. you can open any Rust crate and run commands like `$RustCheckoutDir/compiler/rustc_codegen_cranelift/dist/cargo-clif build --release`.
## Configuration

2
compiler/rustc_codegen_cranelift/build_system/build_backend.rs
View File

@ -20,6 +20,8 @@ pub(crate) fn build_backend(
let mut rustflags = rustflags_from_env("RUSTFLAGS");
rustflags.push("-Zallow-features=rustc_private".to_owned());
if is_ci() {
// Deny warnings on CI
rustflags.push("-Dwarnings".to_owned());

6
compiler/rustc_codegen_cranelift/build_system/prepare.rs
View File

@ -122,10 +122,10 @@ impl GitRepo {
if download_dir.exists() {
let actual_hash = format!("{:016x}", hash_dir(&download_dir));
if actual_hash == self.content_hash {
println!("[FRESH] {}", download_dir.display());
eprintln!("[FRESH] {}", download_dir.display());
return;
} else {
println!(
eprintln!(
"Mismatched content hash for {download_dir}: {actual_hash} != {content_hash}. Downloading again.",
download_dir = download_dir.display(),
content_hash = self.content_hash,
@ -150,7 +150,7 @@ impl GitRepo {
let actual_hash = format!("{:016x}", hash_dir(&download_dir));
if actual_hash != self.content_hash {
println!(
eprintln!(
"Download of {download_dir} failed with mismatched content hash: {actual_hash} != {content_hash}",
download_dir = download_dir.display(),
content_hash = self.content_hash,

67
compiler/rustc_codegen_cranelift/build_system/tests.rs
View File

@ -9,7 +9,7 @@ use crate::path::{Dirs, RelPath};
use crate::prepare::{apply_patches, GitRepo};
use crate::rustc_info::get_default_sysroot;
use crate::shared_utils::rustflags_from_env;
use crate::utils::{spawn_and_wait, spawn_and_wait_with_input, CargoProject, Compiler, LogGroup};
use crate::utils::{spawn_and_wait, CargoProject, Compiler, LogGroup};
use crate::{CodegenBackend, SysrootKind};
static BUILD_EXAMPLE_OUT_DIR: RelPath = RelPath::BUILD.join("example");
@ -101,13 +101,11 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
TestCase::build_bin("aot.issue-59326", "example/issue-59326.rs"),
];
// FIXME(rust-random/rand#1293): Newer rand versions fail to test on Windows. Update once this is
// fixed.
pub(crate) static RAND_REPO: GitRepo = GitRepo::github(
"rust-random",
"rand",
"50b9a447410860af8d6db9a208c3576886955874",
"446203b96054891e",
"f3dd0b885c4597b9617ca79987a0dd899ab29fcb",
"3f869e4fcd602b66",
"rand",
);
@ -116,8 +114,8 @@ pub(crate) static RAND: CargoProject = CargoProject::new(&RAND_REPO.source_dir()
pub(crate) static REGEX_REPO: GitRepo = GitRepo::github(
"rust-lang",
"regex",
"32fed9429eafba0ae92a64b01796a0c5a75b88c8",
"fcc4df7c5b902633",
"061ee815ef2c44101dba7b0b124600fcb03c1912",
"dc26aefbeeac03ca",
"regex",
);
@ -126,8 +124,8 @@ pub(crate) static REGEX: CargoProject = CargoProject::new(&REGEX_REPO.source_dir
pub(crate) static PORTABLE_SIMD_REPO: GitRepo = GitRepo::github(
"rust-lang",
"portable-simd",
"7c7dbe0c505ccbc02ff30c1e37381ab1d47bf46f",
"5bcc9c544f6fa7bd",
"4825b2a64d765317066948867e8714674419359b",
"8b188cc41f5af835",
"portable-simd",
);
@ -180,40 +178,6 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
spawn_and_wait(build_cmd);
}
}),
TestCase::custom("test.regex-shootout-regex-dna", &|runner| {
REGEX_REPO.patch(&runner.dirs);
REGEX.clean(&runner.dirs);
let mut build_cmd = REGEX.build(&runner.target_compiler, &runner.dirs);
build_cmd.arg("--example").arg("shootout-regex-dna");
spawn_and_wait(build_cmd);
if runner.is_native {
let mut run_cmd = REGEX.run(&runner.target_compiler, &runner.dirs);
run_cmd.arg("--example").arg("shootout-regex-dna");
let input = fs::read_to_string(
REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-input.txt"),
)
.unwrap();
let expected = fs::read_to_string(
REGEX.source_dir(&runner.dirs).join("examples").join("regexdna-output.txt"),
)
.unwrap();
let output = spawn_and_wait_with_input(run_cmd, input);
let output_matches = expected.lines().eq(output.lines());
if !output_matches {
println!("Output files don't match!");
println!("Expected Output:\n{}", expected);
println!("Actual Output:\n{}", output);
std::process::exit(1);
}
}
}),
TestCase::custom("test.regex", &|runner| {
REGEX_REPO.patch(&runner.dirs);
@ -223,7 +187,22 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[
let mut run_cmd = REGEX.test(&runner.target_compiler, &runner.dirs);
// regex-capi and regex-debug don't have any tests. Nor do they contain any code
// that is useful to test with cg_clif. Skip building them to reduce test time.
run_cmd.args(["-p", "regex", "-p", "regex-syntax", "--", "-q"]);
run_cmd.args([
"-p",
"regex",
"-p",
"regex-syntax",
"--release",
"--all-targets",
"--",
"-q",
]);
spawn_and_wait(run_cmd);
let mut run_cmd = REGEX.test(&runner.target_compiler, &runner.dirs);
// don't run integration tests for regex-autonata. they take like 2min each without
// much extra coverage of simd usage.
run_cmd.args(["-p", "regex-automata", "--release", "--lib", "--", "-q"]);
spawn_and_wait(run_cmd);
} else {
eprintln!("Cross-Compiling: Not running tests");

35
compiler/rustc_codegen_cranelift/build_system/utils.rs
View File

@ -1,8 +1,8 @@
use std::env;
use std::fs;
use std::io::{self, Write};
use std::io;
use std::path::{Path, PathBuf};
use std::process::{self, Command, Stdio};
use std::process::{self, Command};
use std::sync::atomic::{AtomicBool, Ordering};
use crate::path::{Dirs, RelPath};
@ -47,7 +47,7 @@ impl Compiler {
self.runner = vec!["wine".to_owned()];
}
_ => {
println!("Unknown non-native platform");
eprintln!("Unknown non-native platform");
}
}
}
@ -197,7 +197,9 @@ pub(crate) fn try_hard_link(src: impl AsRef<Path>, dst: impl AsRef<Path>) {
#[track_caller]
pub(crate) fn spawn_and_wait(mut cmd: Command) {
if !cmd.spawn().unwrap().wait().unwrap().success() {
let status = cmd.spawn().unwrap().wait().unwrap();
if !status.success() {
eprintln!("{cmd:?} exited with status {:?}", status);
process::exit(1);
}
}
@ -207,38 +209,17 @@ pub(crate) fn spawn_and_wait(mut cmd: Command) {
pub(crate) fn retry_spawn_and_wait(tries: u64, mut cmd: Command) {
for i in 1..tries + 1 {
if i != 1 {
println!("Command failed. Attempt {i}/{tries}:");
eprintln!("Command failed. Attempt {i}/{tries}:");
}
if cmd.spawn().unwrap().wait().unwrap().success() {
return;
}
std::thread::sleep(std::time::Duration::from_secs(i * 5));
}
println!("The command has failed after {tries} attempts.");
eprintln!("The command has failed after {tries} attempts.");
process::exit(1);
}
#[track_caller]
pub(crate) fn spawn_and_wait_with_input(mut cmd: Command, input: String) -> String {
let mut child = cmd
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
.expect("Failed to spawn child process");
let mut stdin = child.stdin.take().expect("Failed to open stdin");
std::thread::spawn(move || {
stdin.write_all(input.as_bytes()).expect("Failed to write to stdin");
});
let output = child.wait_with_output().expect("Failed to read stdout");
if !output.status.success() {
process::exit(1);
}
String::from_utf8(output.stdout).unwrap()
}
pub(crate) fn remove_dir_if_exists(path: &Path) {
match fs::remove_dir_all(&path) {
Ok(()) => {}

1
compiler/rustc_codegen_cranelift/config.txt
View File

@ -46,6 +46,5 @@ aot.issue-59326
testsuite.extended_sysroot
test.rust-random/rand
test.libcore
test.regex-shootout-regex-dna
test.regex
test.portable-simd

6
compiler/rustc_codegen_cranelift/example/mini_core.rs
View File

@ -683,6 +683,12 @@ pub macro cfg() {
/* compiler built-in */
}
#[rustc_builtin_macro]
#[rustc_macro_transparency = "semitransparent"]
pub macro asm() {
/* compiler built-in */
}
#[rustc_builtin_macro]
#[rustc_macro_transparency = "semitransparent"]
pub macro global_asm() {

24
compiler/rustc_codegen_cranelift/patches/0001-portable-simd-Allow-internal-features.patch
View File

@ -1,24 +0,0 @@
From fcf75306d88e533b83eaff3f8d0ab9f307e8a84d Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Wed, 9 Aug 2023 10:01:17 +0000
Subject: [PATCH] Allow internal features
---
crates/core_simd/src/lib.rs | 1 +
1 file changed, 1 insertion(+)
diff --git a/crates/core_simd/src/lib.rs b/crates/core_simd/src/lib.rs
index fde406b..b386116 100644
--- a/crates/core_simd/src/lib.rs
+++ b/crates/core_simd/src/lib.rs
@@ -19,6 +19,7 @@
#![warn(missing_docs, clippy::missing_inline_in_public_items)] // basically all items, really
#![deny(unsafe_op_in_unsafe_fn, clippy::undocumented_unsafe_blocks)]
#![unstable(feature = "portable_simd", issue = "86656")]
+#![allow(internal_features)]
//! Portable SIMD module.
#[path = "mod.rs"]
--
2.34.1

25
compiler/rustc_codegen_cranelift/patches/0001-regex-Ignore-test-which-gets-miscompiled-with-llvm-sysroot.patch Normal file
View File

@ -0,0 +1,25 @@
From 5d4afb8d807d181038b6a004d17ed055a8d191b2 Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Mon, 2 Oct 2023 13:59:00 +0000
Subject: [PATCH] Ignore test which gets miscompiled with llvm sysroot
---
regex-automata/src/util/pool.rs | 2 ++
1 file changed, 2 insertions(+)
diff --git a/regex-automata/src/util/pool.rs b/regex-automata/src/util/pool.rs
index c03d7b0..28b233b 100644
--- a/regex-automata/src/util/pool.rs
+++ b/regex-automata/src/util/pool.rs
@@ -1081,6 +1081,8 @@ mod tests {
// into the pool. This in turn resulted in this test producing a data race.
#[cfg(feature = "std")]
#[test]
+ // FIXME(rustc_codegen_cranelift#1395) miscompilation of thread::scope with LLVM sysroot
+ #[ignore]
fn thread_owner_sync() {
let pool = Pool::new(|| vec!['a']);
{
--
2.34.1

2
compiler/rustc_codegen_cranelift/patches/0027-coretests-128bit-atomic-operations.patch
View File

@ -19,9 +19,9 @@ index 897a5e9..331f66f 100644
#![feature(const_option_ext)]
#![feature(const_result)]
-#![cfg_attr(target_has_atomic = "128", feature(integer_atomics))]
#![cfg_attr(test, feature(cfg_match))]
#![feature(int_roundings)]
#![feature(slice_group_by)]
#![feature(split_array)]
diff --git a/atomic.rs b/atomic.rs
index b735957..ea728b6 100644
--- a/atomic.rs

72
compiler/rustc_codegen_cranelift/patches/portable-simd-lock.toml
View File

@ -16,9 +16,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bumpalo"
version = "3.13.0"
version = "3.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
[[package]]
name = "byteorder"
@ -55,33 +55,33 @@ dependencies = [
[[package]]
name = "js-sys"
version = "0.3.63"
version = "0.3.64"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2f37a4a5928311ac501dee68b3c7613a1037d0edb30c8e5427bd832d55d1b790"
checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
dependencies = [
"wasm-bindgen",
]
[[package]]
name = "log"
version = "0.4.18"
version = "0.4.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "518ef76f2f87365916b142844c16d8fefd85039bc5699050210a7778ee1cd1de"
checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
[[package]]
name = "num-traits"
version = "0.2.15"
version = "0.2.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
dependencies = [
"autocfg",
]
[[package]]
name = "once_cell"
version = "1.17.2"
version = "1.18.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9670a07f94779e00908f3e686eab508878ebb390ba6e604d3a284c00e8d0487b"
checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
[[package]]
name = "ppv-lite86"
@ -91,9 +91,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
[[package]]
name = "proc-macro2"
version = "1.0.59"
version = "1.0.67"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
dependencies = [
"unicode-ident",
]
@ -114,9 +114,9 @@ dependencies = [
[[package]]
name = "quote"
version = "1.0.28"
version = "1.0.33"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
dependencies = [
"proc-macro2",
]
@ -181,9 +181,9 @@ dependencies = [
[[package]]
name = "syn"
version = "2.0.18"
version = "2.0.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
checksum = "7303ef2c05cd654186cb250d29049a24840ca25d2747c25c0381c8d9e2f582e8"
dependencies = [
"proc-macro2",
"quote",
@ -199,15 +199,15 @@ dependencies = [
[[package]]
name = "unicode-ident"
version = "1.0.9"
version = "1.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
[[package]]
name = "wasm-bindgen"
version = "0.2.86"
version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5bba0e8cb82ba49ff4e229459ff22a191bbe9a1cb3a341610c9c33efc27ddf73"
checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
dependencies = [
"cfg-if",
"wasm-bindgen-macro",
@ -215,9 +215,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.86"
version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "19b04bc93f9d6bdee709f6bd2118f57dd6679cf1176a1af464fca3ab0d66d8fb"
checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
dependencies = [
"bumpalo",
"log",
@ -230,9 +230,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-futures"
version = "0.4.36"
version = "0.4.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2d1985d03709c53167ce907ff394f5316aa22cb4e12761295c5dc57dacb6297e"
checksum = "c02dbc21516f9f1f04f187958890d7e6026df8d16540b7ad9492bc34a67cea03"
dependencies = [
"cfg-if",
"js-sys",
@ -242,9 +242,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.86"
version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "14d6b024f1a526bb0234f52840389927257beb670610081360e5a03c5df9c258"
checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
@ -252,9 +252,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.86"
version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
dependencies = [
"proc-macro2",
"quote",
@ -265,15 +265,15 @@ dependencies = [
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.86"
version = "0.2.87"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
[[package]]
name = "wasm-bindgen-test"
version = "0.3.36"
version = "0.3.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c9e636f3a428ff62b3742ebc3c70e254dfe12b8c2b469d688ea59cdd4abcf502"
checksum = "6e6e302a7ea94f83a6d09e78e7dc7d9ca7b186bc2829c24a22d0753efd680671"
dependencies = [
"console_error_panic_hook",
"js-sys",
@ -285,9 +285,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-test-macro"
version = "0.3.36"
version = "0.3.37"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f18c1fad2f7c4958e7bcce014fa212f59a65d5e3721d0f77e6c0b27ede936ba3"
checksum = "ecb993dd8c836930ed130e020e77d9b2e65dd0fbab1b67c790b0f5d80b11a575"
dependencies = [
"proc-macro2",
"quote",
@ -295,9 +295,9 @@ dependencies = [
[[package]]
name = "web-sys"
version = "0.3.63"
version = "0.3.64"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3bdd9ef4e984da1187bf8110c5cf5b845fbc87a23602cdf912386a76fcd3a7c2"
checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b"
dependencies = [
"js-sys",
"wasm-bindgen",

575
compiler/rustc_codegen_cranelift/patches/rand-lock.toml
View File

@ -2,6 +2,32 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "aho-corasick"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0f2135563fb5c609d2b2b87c1e8ce7bc41b0b45430fa9661f457981503dd5bf0"
dependencies = [
"memchr",
]
[[package]]
name = "anes"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
[[package]]
name = "atty"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
dependencies = [
"hermit-abi 0.1.19",
"libc",
"winapi",
]
[[package]]
name = "autocfg"
version = "1.1.0"
@ -28,12 +54,114 @@ dependencies = [
"serde",
]
[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bumpalo"
version = "3.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
[[package]]
name = "cast"
version = "0.3.0"
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462
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[[package]]
name = "wasi"
@ -357,6 +432,15 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
dependencies = [
"winapi",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
@ -364,76 +448,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.48.0"
name = "winnow"
version = "0.5.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
checksum = "7c2e3184b9c4e92ad5167ca73039d0c42476302ab603e2fec4487511f38ccefc"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
[[package]]
name = "windows_aarch64_msvc"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
[[package]]
name = "windows_i686_gnu"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
[[package]]
name = "windows_i686_msvc"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
[[package]]
name = "windows_x86_64_gnu"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
[[package]]
name = "windows_x86_64_msvc"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
[[package]]
name = "xattr"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6d1526bbe5aaeb5eb06885f4d987bcdfa5e23187055de9b83fe00156a821fabc"
dependencies = [
"libc",
"memchr",
]

28
compiler/rustc_codegen_cranelift/patches/stdlib-lock.toml
View File

@ -174,9 +174,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.146"
version = "0.2.148"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
dependencies = [
"rustc-std-workspace-core",
]
@ -255,6 +255,27 @@ dependencies = [
"core",
]
[[package]]
name = "r-efi"
version = "4.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "575fc2d9b3da54adbdfaddf6eca48fec256d977c8630a1750b8991347d1ac911"
dependencies = [
"compiler_builtins",
"rustc-std-workspace-core",
]
[[package]]
name = "r-efi-alloc"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "31d6f09fe2b6ad044bc3d2c34ce4979796581afd2f1ebc185837e02421e02fd7"
dependencies = [
"compiler_builtins",
"r-efi",
"rustc-std-workspace-core",
]
[[package]]
name = "rand"
version = "0.8.5"
@ -340,6 +361,7 @@ version = "0.0.0"
dependencies = [
"addr2line",
"alloc",
"cc",
"cfg-if",
"compiler_builtins",
"core",
@ -353,6 +375,8 @@ dependencies = [
"panic_abort",
"panic_unwind",
"profiler_builtins",
"r-efi",
"r-efi-alloc",
"rand",
"rand_xorshift",
"rustc-demangle",

2
compiler/rustc_codegen_cranelift/rust-toolchain
View File

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2023-09-06"
channel = "nightly-2023-10-09"
components = ["rust-src", "rustc-dev", "llvm-tools"]

2
compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh
View File

@ -1,7 +1,7 @@
#!/usr/bin/env bash
set -e
./y.sh build --no-unstable-features
./y.sh build
echo "[SETUP] Rust fork"
git clone https://github.com/rust-lang/rust.git || true

18
compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh
View File

@ -11,22 +11,17 @@ pushd rust
command -v rg >/dev/null 2>&1 || cargo install ripgrep
rm -r tests/ui/{unsized-locals/,lto/,linkage*} || true
for test in $(rg --files-with-matches "lto|// needs-asm-support" tests/{codegen-units,ui,incremental}); do
for test in $(rg --files-with-matches "lto" tests/{codegen-units,ui,incremental}); do
rm $test
done
for test in tests/run-make/**/Makefile; do
if rg "# needs-asm-support" $test >/dev/null; then
rm -r $(dirname $test)
fi
done
for test in $(rg -i --files-with-matches "//(\[\w+\])?~[^\|]*\s*ERR|// error-pattern:|// build-fail|// run-fail|-Cllvm-args" tests/ui); do
rm $test
done
git checkout -- tests/ui/issues/auxiliary/issue-3136-a.rs # contains //~ERROR, but shouldn't be removed
git checkout -- tests/ui/proc-macro/pretty-print-hack/
git checkout -- tests/ui/entry-point/auxiliary/bad_main_functions.rs
rm tests/ui/parser/unclosed-delimiter-in-dep.rs # submodule contains //~ERROR
# missing features
@ -35,8 +30,9 @@ rm tests/ui/parser/unclosed-delimiter-in-dep.rs # submodule contains //~ERROR
rm -r tests/run-make/comment-section # cg_clif doesn't yet write the .comment section
# requires stack unwinding
# FIXME add needs-unwind to this test
# FIXME add needs-unwind to these tests
rm -r tests/run-make/libtest-junit
rm tests/ui/asm/may_unwind.rs
# extra warning about -Cpanic=abort for proc macros
rm tests/ui/proc-macro/crt-static.rs
@ -77,6 +73,8 @@ rm -r tests/run-make/symbols-include-type-name # --emit=asm not supported
rm -r tests/run-make/target-specs # i686 not supported by Cranelift
rm -r tests/run-make/mismatching-target-triples # same
rm -r tests/run-make/use-extern-for-plugins # same
rm tests/ui/asm/x86_64/issue-82869.rs # vector regs in inline asm not yet supported
rm tests/ui/asm/x86_64/issue-96797.rs # const and sym inline asm operands don't work entirely correctly
# requires LTO
rm -r tests/run-make/cdylib
@ -130,6 +128,7 @@ rm tests/ui/consts/issue-73976-monomorphic.rs # same
rm tests/ui/rfcs/rfc-3348-c-string-literals/non-ascii.rs # same
rm tests/ui/consts/const-eval/nonnull_as_ref_ub.rs # same
rm tests/ui/consts/issue-94675.rs # same
rm tests/ui/associated-types/issue-85103-layout-debug.rs # same
# rustdoc-clif passes extra args, suppressing the help message when no args are passed
rm -r tests/run-make/issue-88756-default-output
@ -154,9 +153,12 @@ rm -r tests/run-make/output-type-permutations # same
rm -r tests/run-make/used # same
rm -r tests/run-make/no-alloc-shim
rm -r tests/run-make/emit-to-stdout
rm -r tests/run-make/compressed-debuginfo
rm -r tests/run-make/extern-fn-explicit-align # argument alignment not yet supported
rm tests/ui/codegen/subtyping-enforces-type-equality.rs # assert_assignable bug with Generator's
# bugs in the test suite
# ======================
rm tests/ui/backtrace.rs # TODO warning

6
compiler/rustc_codegen_cranelift/src/abi/mod.rs
View File

@ -6,6 +6,7 @@ mod returning;
use std::borrow::Cow;
use cranelift_codegen::ir::{AbiParam, SigRef};
use cranelift_module::ModuleError;
use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
use rustc_middle::ty::layout::FnAbiOf;
@ -13,12 +14,9 @@ use rustc_session::Session;
use rustc_target::abi::call::{Conv, FnAbi};
use rustc_target::spec::abi::Abi;
use cranelift_codegen::ir::{AbiParam, SigRef};
use self::pass_mode::*;
use crate::prelude::*;
pub(crate) use self::returning::codegen_return;
use crate::prelude::*;
fn clif_sig_from_fn_abi<'tcx>(
tcx: TyCtxt<'tcx>,

6
compiler/rustc_codegen_cranelift/src/abi/pass_mode.rs
View File

@ -1,14 +1,14 @@
//! Argument passing
use crate::prelude::*;
use crate::value_and_place::assert_assignable;
use cranelift_codegen::ir::{ArgumentExtension, ArgumentPurpose};
use rustc_target::abi::call::{
ArgAbi, ArgAttributes, ArgExtension as RustcArgExtension, CastTarget, PassMode, Reg, RegKind,
};
use smallvec::{smallvec, SmallVec};
use crate::prelude::*;
use crate::value_and_place::assert_assignable;
pub(super) trait ArgAbiExt<'tcx> {
fn get_abi_param(&self, tcx: TyCtxt<'tcx>) -> SmallVec<[AbiParam; 2]>;
fn get_abi_return(&self, tcx: TyCtxt<'tcx>) -> (Option<AbiParam>, Vec<AbiParam>);

4
compiler/rustc_codegen_cranelift/src/abi/returning.rs
View File

@ -1,10 +1,10 @@
//! Return value handling
use crate::prelude::*;
use rustc_target::abi::call::{ArgAbi, PassMode};
use smallvec::{smallvec, SmallVec};
use crate::prelude::*;
/// Return a place where the return value of the current function can be written to. If necessary
/// this adds an extra parameter pointing to where the return value needs to be stored.
pub(super) fn codegen_return_param<'tcx>(

4
compiler/rustc_codegen_cranelift/src/allocator.rs
View File

@ -1,8 +1,6 @@
//! Allocator shim
// Adapted from rustc
use crate::prelude::*;
use rustc_ast::expand::allocator::{
alloc_error_handler_name, default_fn_name, global_fn_name, AllocatorKind, AllocatorTy,
ALLOCATOR_METHODS, NO_ALLOC_SHIM_IS_UNSTABLE,
@ -10,6 +8,8 @@ use rustc_ast::expand::allocator::{
use rustc_codegen_ssa::base::allocator_kind_for_codegen;
use rustc_session::config::OomStrategy;
use crate::prelude::*;
/// Returns whether an allocator shim was created
pub(crate) fn codegen(
tcx: TyCtxt<'_>,

4
compiler/rustc_codegen_cranelift/src/analyze.rs
View File

@ -1,11 +1,11 @@
//! SSA analysis
use crate::prelude::*;
use rustc_index::IndexVec;
use rustc_middle::mir::StatementKind::*;
use rustc_middle::ty::Ty;
use crate::prelude::*;
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub(crate) enum SsaKind {
NotSsa,

7
compiler/rustc_codegen_cranelift/src/base.rs
View File

@ -1,15 +1,14 @@
//! Codegen of a single function
use cranelift_codegen::ir::UserFuncName;
use cranelift_codegen::CodegenError;
use cranelift_module::ModuleError;
use rustc_ast::InlineAsmOptions;
use rustc_index::IndexVec;
use rustc_middle::ty::adjustment::PointerCoercion;
use rustc_middle::ty::layout::FnAbiOf;
use rustc_middle::ty::print::with_no_trimmed_paths;
use cranelift_codegen::ir::UserFuncName;
use cranelift_codegen::CodegenError;
use cranelift_module::ModuleError;
use crate::constant::ConstantCx;
use crate::debuginfo::FunctionDebugContext;
use crate::prelude::*;

4
compiler/rustc_codegen_cranelift/src/cast.rs
View File

@ -129,8 +129,8 @@ pub(crate) fn clif_int_or_float_cast(
let (min, max) = match (to_ty, to_signed) {
(types::I8, false) => (0, i64::from(u8::MAX)),
(types::I16, false) => (0, i64::from(u16::MAX)),
(types::I8, true) => (i64::from(i8::MIN), i64::from(i8::MAX)),
(types::I16, true) => (i64::from(i16::MIN), i64::from(i16::MAX)),
(types::I8, true) => (i64::from(i8::MIN as u32), i64::from(i8::MAX as u32)),
(types::I16, true) => (i64::from(i16::MIN as u32), i64::from(i16::MAX as u32)),
_ => unreachable!(),
};
let min_val = fx.bcx.ins().iconst(types::I32, min);

13
compiler/rustc_codegen_cranelift/src/common.rs
View File

@ -1,6 +1,5 @@
use cranelift_codegen::isa::TargetFrontendConfig;
use gimli::write::FileId;
use rustc_data_structures::sync::Lrc;
use rustc_index::IndexVec;
use rustc_middle::ty::layout::{
@ -204,9 +203,9 @@ pub(crate) fn type_min_max_value(
(types::I8, false) | (types::I16, false) | (types::I32, false) | (types::I64, false) => {
0i64
}
(types::I8, true) => i64::from(i8::MIN),
(types::I16, true) => i64::from(i16::MIN),
(types::I32, true) => i64::from(i32::MIN),
(types::I8, true) => i64::from(i8::MIN as u8),
(types::I16, true) => i64::from(i16::MIN as u16),
(types::I32, true) => i64::from(i32::MIN as u32),
(types::I64, true) => i64::MIN,
_ => unreachable!(),
};
@ -216,9 +215,9 @@ pub(crate) fn type_min_max_value(
(types::I16, false) => i64::from(u16::MAX),
(types::I32, false) => i64::from(u32::MAX),
(types::I64, false) => u64::MAX as i64,
(types::I8, true) => i64::from(i8::MAX),
(types::I16, true) => i64::from(i16::MAX),
(types::I32, true) => i64::from(i32::MAX),
(types::I8, true) => i64::from(i8::MAX as u8),
(types::I16, true) => i64::from(i16::MAX as u16),
(types::I32, true) => i64::from(i32::MAX as u32),
(types::I64, true) => i64::MAX,
_ => unreachable!(),
};

3
compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs
View File

@ -1,8 +1,7 @@
use std::sync::{Arc, Condvar, Mutex};
use rustc_session::Session;
use jobserver::HelperThread;
use rustc_session::Session;
// FIXME don't panic when a worker thread panics

8
compiler/rustc_codegen_cranelift/src/constant.rs
View File

@ -1,12 +1,11 @@
//! Handling of `static`s, `const`s and promoted allocations
use cranelift_module::*;
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
use rustc_middle::mir::interpret::{read_target_uint, AllocId, GlobalAlloc, Scalar};
use rustc_middle::mir::ConstValue;
use cranelift_module::*;
use crate::prelude::*;
pub(crate) struct ConstantCx {
@ -101,7 +100,7 @@ pub(crate) fn codegen_const_value<'tcx>(
if fx.clif_type(layout.ty).is_some() {
return CValue::const_val(fx, layout, int);
} else {
let raw_val = int.to_bits(int.size()).unwrap();
let raw_val = int.size().truncate(int.to_bits(int.size()).unwrap());
let val = match int.size().bytes() {
1 => fx.bcx.ins().iconst(types::I8, raw_val as i64),
2 => fx.bcx.ins().iconst(types::I16, raw_val as i64),
@ -187,8 +186,7 @@ pub(crate) fn codegen_const_value<'tcx>(
ConstValue::Slice { data, meta } => {
let alloc_id = fx.tcx.reserve_and_set_memory_alloc(data);
let ptr = pointer_for_allocation(fx, alloc_id).get_addr(fx);
// FIXME: the `try_from` here can actually fail, e.g. for very long ZST slices.
let len = fx.bcx.ins().iconst(fx.pointer_type, i64::try_from(meta).unwrap());
let len = fx.bcx.ins().iconst(fx.pointer_type, meta as i64);
CValue::by_val_pair(ptr, len, layout)
}
}

3
compiler/rustc_codegen_cranelift/src/debuginfo/emit.rs
View File

@ -1,10 +1,9 @@
//! Write the debuginfo into an object file.
use cranelift_object::ObjectProduct;
use rustc_data_structures::fx::FxHashMap;
use gimli::write::{Address, AttributeValue, EndianVec, Result, Sections, Writer};
use gimli::{RunTimeEndian, SectionId};
use rustc_data_structures::fx::FxHashMap;
use super::object::WriteDebugInfo;
use super::DebugContext;

16
compiler/rustc_codegen_cranelift/src/debuginfo/line_info.rs
View File

@ -3,20 +3,18 @@
use std::ffi::OsStr;
use std::path::{Component, Path};
use crate::debuginfo::FunctionDebugContext;
use crate::prelude::*;
use cranelift_codegen::binemit::CodeOffset;
use cranelift_codegen::MachSrcLoc;
use gimli::write::{
Address, AttributeValue, FileId, FileInfo, LineProgram, LineString, LineStringTable,
};
use rustc_data_structures::sync::Lrc;
use rustc_span::{
FileName, Pos, SourceFile, SourceFileAndLine, SourceFileHash, SourceFileHashAlgorithm,
};
use cranelift_codegen::binemit::CodeOffset;
use cranelift_codegen::MachSrcLoc;
use gimli::write::{
Address, AttributeValue, FileId, FileInfo, LineProgram, LineString, LineStringTable,
};
use crate::debuginfo::FunctionDebugContext;
use crate::prelude::*;
// OPTIMIZATION: It is cheaper to do this in one pass than using `.parent()` and `.file_name()`.
fn split_path_dir_and_file(path: &Path) -> (&Path, &OsStr) {

8
compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs
View File

@ -5,11 +5,8 @@ mod line_info;
mod object;
mod unwind;
use crate::prelude::*;
use cranelift_codegen::ir::Endianness;
use cranelift_codegen::isa::TargetIsa;
use gimli::write::{
Address, AttributeValue, DwarfUnit, FileId, LineProgram, LineString, Range, RangeList,
UnitEntryId,
@ -17,8 +14,9 @@ use gimli::write::{
use gimli::{Encoding, Format, LineEncoding, RunTimeEndian};
use indexmap::IndexSet;
pub(crate) use emit::{DebugReloc, DebugRelocName};
pub(crate) use unwind::UnwindContext;
pub(crate) use self::emit::{DebugReloc, DebugRelocName};
pub(crate) use self::unwind::UnwindContext;
use crate::prelude::*;
pub(crate) fn producer() -> String {
format!(

7
compiler/rustc_codegen_cranelift/src/debuginfo/object.rs
View File

@ -1,12 +1,9 @@
use rustc_data_structures::fx::FxHashMap;
use cranelift_module::FuncId;
use cranelift_object::ObjectProduct;
use gimli::SectionId;
use object::write::{Relocation, StandardSegment};
use object::{RelocationEncoding, SectionKind};
use gimli::SectionId;
use rustc_data_structures::fx::FxHashMap;
use crate::debuginfo::{DebugReloc, DebugRelocName};

4
compiler/rustc_codegen_cranelift/src/debuginfo/unwind.rs
View File

@ -1,15 +1,13 @@
//! Unwind info generation (`.eh_frame`)
use crate::prelude::*;
use cranelift_codegen::ir::Endianness;
use cranelift_codegen::isa::{unwind::UnwindInfo, TargetIsa};
use cranelift_object::ObjectProduct;
use gimli::write::{Address, CieId, EhFrame, FrameTable, Section};
use gimli::RunTimeEndian;
use super::object::WriteDebugInfo;
use crate::prelude::*;
pub(crate) struct UnwindContext {
endian: RunTimeEndian,

3
compiler/rustc_codegen_cranelift/src/driver/aot.rs
View File

@ -6,6 +6,7 @@ use std::path::PathBuf;
use std::sync::Arc;
use std::thread::JoinHandle;
use cranelift_object::{ObjectBuilder, ObjectModule};
use rustc_codegen_ssa::back::metadata::create_compressed_metadata_file;
use rustc_codegen_ssa::{CodegenResults, CompiledModule, CrateInfo, ModuleKind};
use rustc_data_structures::profiling::SelfProfilerRef;
@ -17,8 +18,6 @@ use rustc_session::cgu_reuse_tracker::CguReuse;
use rustc_session::config::{DebugInfo, OutputFilenames, OutputType};
use rustc_session::Session;
use cranelift_object::{ObjectBuilder, ObjectModule};
use crate::concurrency_limiter::{ConcurrencyLimiter, ConcurrencyLimiterToken};
use crate::global_asm::GlobalAsmConfig;
use crate::{prelude::*, BackendConfig};

3
compiler/rustc_codegen_cranelift/src/driver/jit.rs
View File

@ -6,13 +6,12 @@ use std::ffi::CString;
use std::os::raw::{c_char, c_int};
use std::sync::{mpsc, Mutex, OnceLock};
use cranelift_jit::{JITBuilder, JITModule};
use rustc_codegen_ssa::CrateInfo;
use rustc_middle::mir::mono::MonoItem;
use rustc_session::Session;
use rustc_span::Symbol;
use cranelift_jit::{JITBuilder, JITModule};
use crate::{prelude::*, BackendConfig};
use crate::{CodegenCx, CodegenMode};

23
compiler/rustc_codegen_cranelift/src/global_asm.rs
View File

@ -9,16 +9,22 @@ use std::sync::Arc;
use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_hir::{InlineAsmOperand, ItemId};
use rustc_session::config::{OutputFilenames, OutputType};
use rustc_target::asm::InlineAsmArch;
use crate::prelude::*;
pub(crate) fn codegen_global_asm_item(tcx: TyCtxt<'_>, global_asm: &mut String, item_id: ItemId) {
let item = tcx.hir().item(item_id);
if let rustc_hir::ItemKind::GlobalAsm(asm) = item.kind {
if !asm.options.contains(InlineAsmOptions::ATT_SYNTAX) {
global_asm.push_str("\n.intel_syntax noprefix\n");
} else {
global_asm.push_str("\n.att_syntax\n");
let is_x86 =
matches!(tcx.sess.asm_arch.unwrap(), InlineAsmArch::X86 | InlineAsmArch::X86_64);
if is_x86 {
if !asm.options.contains(InlineAsmOptions::ATT_SYNTAX) {
global_asm.push_str("\n.intel_syntax noprefix\n");
} else {
global_asm.push_str("\n.att_syntax\n");
}
}
for piece in asm.template {
match *piece {
@ -65,7 +71,11 @@ pub(crate) fn codegen_global_asm_item(tcx: TyCtxt<'_>, global_asm: &mut String,
}
}
}
global_asm.push_str("\n.att_syntax\n\n");
global_asm.push('\n');
if is_x86 {
global_asm.push_str(".att_syntax\n\n");
}
} else {
bug!("Expected GlobalAsm found {:?}", item);
}
@ -115,11 +125,12 @@ pub(crate) fn compile_global_asm(
}
// Remove all LLVM style comments
let global_asm = global_asm
let mut global_asm = global_asm
.lines()
.map(|line| if let Some(index) = line.find("//") { &line[0..index] } else { line })
.collect::<Vec<_>>()
.join("\n");
global_asm.push('\n');
let output_object_file = config.output_filenames.temp_path(OutputType::Object, Some(cgu_name));

140
compiler/rustc_codegen_cranelift/src/inline_asm.rs
View File

@ -1,13 +1,14 @@
//! Codegen of `asm!` invocations.
use crate::prelude::*;
use std::fmt::Write;
use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_middle::mir::InlineAsmOperand;
use rustc_span::sym;
use rustc_target::asm::*;
use target_lexicon::BinaryFormat;
use crate::prelude::*;
enum CInlineAsmOperand<'tcx> {
In {
@ -43,7 +44,9 @@ pub(crate) fn codegen_inline_asm<'tcx>(
) {
// FIXME add .eh_frame unwind info directives
if !template.is_empty() {
if !template.is_empty()
&& (cfg!(not(feature = "inline_asm")) || fx.tcx.sess.target.is_like_windows)
{
// Used by panic_abort
if template[0] == InlineAsmTemplatePiece::String("int $$0x29".to_string()) {
fx.bcx.ins().trap(TrapCode::User(1));
@ -589,11 +592,29 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
}
fn generate_asm_wrapper(&self, asm_name: &str) -> String {
let binary_format = crate::target_triple(self.tcx.sess).binary_format;
let mut generated_asm = String::new();
writeln!(generated_asm, ".globl {}", asm_name).unwrap();
writeln!(generated_asm, ".type {},@function", asm_name).unwrap();
writeln!(generated_asm, ".section .text.{},\"ax\",@progbits", asm_name).unwrap();
writeln!(generated_asm, "{}:", asm_name).unwrap();
match binary_format {
BinaryFormat::Elf => {
writeln!(generated_asm, ".globl {}", asm_name).unwrap();
writeln!(generated_asm, ".type {},@function", asm_name).unwrap();
writeln!(generated_asm, ".section .text.{},\"ax\",@progbits", asm_name).unwrap();
writeln!(generated_asm, "{}:", asm_name).unwrap();
}
BinaryFormat::Macho => {
writeln!(generated_asm, ".globl _{}", asm_name).unwrap();
writeln!(generated_asm, "_{}:", asm_name).unwrap();
}
BinaryFormat::Coff => {
writeln!(generated_asm, ".globl {}", asm_name).unwrap();
writeln!(generated_asm, "{}:", asm_name).unwrap();
}
_ => self
.tcx
.sess
.fatal(format!("Unsupported binary format for inline asm: {binary_format:?}")),
}
let is_x86 = matches!(self.arch, InlineAsmArch::X86 | InlineAsmArch::X86_64);
@ -690,8 +711,19 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
if is_x86 {
generated_asm.push_str(".att_syntax\n");
}
writeln!(generated_asm, ".size {name}, .-{name}", name = asm_name).unwrap();
generated_asm.push_str(".text\n");
match binary_format {
BinaryFormat::Elf => {
writeln!(generated_asm, ".size {name}, .-{name}", name = asm_name).unwrap();
generated_asm.push_str(".text\n");
}
BinaryFormat::Macho | BinaryFormat::Coff => {}
_ => self
.tcx
.sess
.fatal(format!("Unsupported binary format for inline asm: {binary_format:?}")),
}
generated_asm.push_str("\n\n");
generated_asm
@ -699,25 +731,19 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
fn prologue(generated_asm: &mut String, arch: InlineAsmArch) {
match arch {
InlineAsmArch::X86 => {
generated_asm.push_str(" push ebp\n");
generated_asm.push_str(" mov ebp,[esp+8]\n");
}
InlineAsmArch::X86_64 => {
generated_asm.push_str(" push rbp\n");
generated_asm.push_str(" mov rbp,rdi\n");
generated_asm.push_str(" mov rbp,rsp\n");
generated_asm.push_str(" push rbx\n"); // rbx is callee saved
// rbx is reserved by LLVM for the "base pointer", so rustc doesn't allow using it
generated_asm.push_str(" mov rbx,rdi\n");
}
InlineAsmArch::RiscV32 => {
generated_asm.push_str(" addi sp, sp, -8\n");
generated_asm.push_str(" sw ra, 4(sp)\n");
generated_asm.push_str(" sw s0, 0(sp)\n");
generated_asm.push_str(" mv s0, a0\n");
}
InlineAsmArch::RiscV64 => {
generated_asm.push_str(" addi sp, sp, -16\n");
generated_asm.push_str(" sd ra, 8(sp)\n");
generated_asm.push_str(" sd s0, 0(sp)\n");
generated_asm.push_str(" mv s0, a0\n");
InlineAsmArch::AArch64 => {
generated_asm.push_str(" stp fp, lr, [sp, #-32]!\n");
generated_asm.push_str(" mov fp, sp\n");
generated_asm.push_str(" str x19, [sp, #24]\n"); // x19 is callee saved
// x19 is reserved by LLVM for the "base pointer", so rustc doesn't allow using it
generated_asm.push_str(" mov x19, x0\n");
}
_ => unimplemented!("prologue for {:?}", arch),
}
@ -725,24 +751,14 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
fn epilogue(generated_asm: &mut String, arch: InlineAsmArch) {
match arch {
InlineAsmArch::X86 => {
generated_asm.push_str(" pop ebp\n");
generated_asm.push_str(" ret\n");
}
InlineAsmArch::X86_64 => {
generated_asm.push_str(" pop rbx\n");
generated_asm.push_str(" pop rbp\n");
generated_asm.push_str(" ret\n");
}
InlineAsmArch::RiscV32 => {
generated_asm.push_str(" lw s0, 0(sp)\n");
generated_asm.push_str(" lw ra, 4(sp)\n");
generated_asm.push_str(" addi sp, sp, 8\n");
generated_asm.push_str(" ret\n");
}
InlineAsmArch::RiscV64 => {
generated_asm.push_str(" ld s0, 0(sp)\n");
generated_asm.push_str(" ld ra, 8(sp)\n");
generated_asm.push_str(" addi sp, sp, 16\n");
InlineAsmArch::AArch64 => {
generated_asm.push_str(" ldr x19, [sp, #24]\n");
generated_asm.push_str(" ldp fp, lr, [sp], #32\n");
generated_asm.push_str(" ret\n");
}
_ => unimplemented!("epilogue for {:?}", arch),
@ -751,11 +767,11 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
fn epilogue_noreturn(generated_asm: &mut String, arch: InlineAsmArch) {
match arch {
InlineAsmArch::X86 | InlineAsmArch::X86_64 => {
InlineAsmArch::X86_64 => {
generated_asm.push_str(" ud2\n");
}
InlineAsmArch::RiscV32 | InlineAsmArch::RiscV64 => {
generated_asm.push_str(" ebreak\n");
InlineAsmArch::AArch64 => {
generated_asm.push_str(" brk #0x1");
}
_ => unimplemented!("epilogue_noreturn for {:?}", arch),
}
@ -768,25 +784,15 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
offset: Size,
) {
match arch {
InlineAsmArch::X86 => {
write!(generated_asm, " mov [ebp+0x{:x}], ", offset.bytes()).unwrap();
reg.emit(generated_asm, InlineAsmArch::X86, None).unwrap();
generated_asm.push('\n');
}
InlineAsmArch::X86_64 => {
write!(generated_asm, " mov [rbp+0x{:x}], ", offset.bytes()).unwrap();
write!(generated_asm, " mov [rbx+0x{:x}], ", offset.bytes()).unwrap();
reg.emit(generated_asm, InlineAsmArch::X86_64, None).unwrap();
generated_asm.push('\n');
}
InlineAsmArch::RiscV32 => {
generated_asm.push_str(" sw ");
reg.emit(generated_asm, InlineAsmArch::RiscV32, None).unwrap();
writeln!(generated_asm, ", 0x{:x}(s0)", offset.bytes()).unwrap();
}
InlineAsmArch::RiscV64 => {
generated_asm.push_str(" sd ");
reg.emit(generated_asm, InlineAsmArch::RiscV64, None).unwrap();
writeln!(generated_asm, ", 0x{:x}(s0)", offset.bytes()).unwrap();
InlineAsmArch::AArch64 => {
generated_asm.push_str(" str ");
reg.emit(generated_asm, InlineAsmArch::AArch64, None).unwrap();
writeln!(generated_asm, ", [x19, 0x{:x}]", offset.bytes()).unwrap();
}
_ => unimplemented!("save_register for {:?}", arch),
}
@ -799,25 +805,15 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
offset: Size,
) {
match arch {
InlineAsmArch::X86 => {
generated_asm.push_str(" mov ");
reg.emit(generated_asm, InlineAsmArch::X86, None).unwrap();
writeln!(generated_asm, ", [ebp+0x{:x}]", offset.bytes()).unwrap();
}
InlineAsmArch::X86_64 => {
generated_asm.push_str(" mov ");
reg.emit(generated_asm, InlineAsmArch::X86_64, None).unwrap();
writeln!(generated_asm, ", [rbp+0x{:x}]", offset.bytes()).unwrap();
writeln!(generated_asm, ", [rbx+0x{:x}]", offset.bytes()).unwrap();
}
InlineAsmArch::RiscV32 => {
generated_asm.push_str(" lw ");
reg.emit(generated_asm, InlineAsmArch::RiscV32, None).unwrap();
writeln!(generated_asm, ", 0x{:x}(s0)", offset.bytes()).unwrap();
}
InlineAsmArch::RiscV64 => {
generated_asm.push_str(" ld ");
reg.emit(generated_asm, InlineAsmArch::RiscV64, None).unwrap();
writeln!(generated_asm, ", 0x{:x}(s0)", offset.bytes()).unwrap();
InlineAsmArch::AArch64 => {
generated_asm.push_str(" ldr ");
reg.emit(generated_asm, InlineAsmArch::AArch64, None).unwrap();
writeln!(generated_asm, ", [x19, 0x{:x}]", offset.bytes()).unwrap();
}
_ => unimplemented!("restore_register for {:?}", arch),
}

4
compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs
View File

@ -1,10 +1,10 @@
//! Emulate LLVM intrinsics
use rustc_middle::ty::GenericArgsRef;
use crate::intrinsics::*;
use crate::prelude::*;
use rustc_middle::ty::GenericArgsRef;
pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: &str,

39
compiler/rustc_codegen_cranelift/src/intrinsics/llvm_aarch64.rs
View File

@ -1,10 +1,10 @@
//! Emulate AArch64 LLVM intrinsics
use rustc_middle::ty::GenericArgsRef;
use crate::intrinsics::*;
use crate::prelude::*;
use rustc_middle::ty::GenericArgsRef;
pub(crate) fn codegen_aarch64_llvm_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: &str,
@ -156,6 +156,41 @@ pub(crate) fn codegen_aarch64_llvm_intrinsic_call<'tcx>(
});
}
// FIXME generalize vector types
"llvm.aarch64.neon.tbl1.v16i8" => {
intrinsic_args!(fx, args => (t, idx); intrinsic);
let zero = fx.bcx.ins().iconst(types::I8, 0);
for i in 0..16 {
let idx_lane = idx.value_lane(fx, i).load_scalar(fx);
let is_zero =
fx.bcx.ins().icmp_imm(IntCC::UnsignedGreaterThanOrEqual, idx_lane, 16);
let t_idx = fx.bcx.ins().uextend(fx.pointer_type, idx_lane);
let t_lane = t.value_lane_dyn(fx, t_idx).load_scalar(fx);
let res = fx.bcx.ins().select(is_zero, zero, t_lane);
ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted());
}
}
// FIXME generalize vector types
"llvm.aarch64.neon.umaxp.v16i8" => {
intrinsic_args!(fx, args => (a, b); intrinsic);
// FIXME add helper for horizontal pairwise operations
for i in 0..8 {
let lane1 = a.value_lane(fx, i * 2).load_scalar(fx);
let lane2 = a.value_lane(fx, i * 2 + 1).load_scalar(fx);
let res = fx.bcx.ins().umax(lane1, lane2);
ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted());
}
for i in 0..8 {
let lane1 = b.value_lane(fx, i * 2).load_scalar(fx);
let lane2 = b.value_lane(fx, i * 2 + 1).load_scalar(fx);
let res = fx.bcx.ins().umax(lane1, lane2);
ret.place_lane(fx, 8 + i).to_ptr().store(fx, res, MemFlags::trusted());
}
}
/*
_ if intrinsic.starts_with("llvm.aarch64.neon.sshl.v")
|| intrinsic.starts_with("llvm.aarch64.neon.sqshl.v")

10
compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs
View File

@ -1,10 +1,10 @@
//! Emulate x86 LLVM intrinsics
use rustc_middle::ty::GenericArgsRef;
use crate::intrinsics::*;
use crate::prelude::*;
use rustc_middle::ty::GenericArgsRef;
pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
intrinsic: &str,
@ -74,8 +74,10 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
};
let x = codegen_operand(fx, x);
let y = codegen_operand(fx, y);
let kind = crate::constant::mir_operand_get_const_val(fx, kind)
.expect("llvm.x86.sse2.cmp.* kind not const");
let kind = match kind {
Operand::Constant(const_) => crate::constant::eval_mir_constant(fx, const_).0,
Operand::Copy(_) | Operand::Move(_) => unreachable!("{kind:?}"),
};
let flt_cc = match kind
.try_to_bits(Size::from_bytes(1))

7
compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
View File

@ -18,17 +18,16 @@ mod llvm_aarch64;
mod llvm_x86;
mod simd;
pub(crate) use cpuid::codegen_cpuid_call;
pub(crate) use llvm::codegen_llvm_intrinsic_call;
use cranelift_codegen::ir::AtomicRmwOp;
use rustc_middle::ty;
use rustc_middle::ty::layout::{HasParamEnv, ValidityRequirement};
use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths};
use rustc_middle::ty::GenericArgsRef;
use rustc_span::symbol::{kw, sym, Symbol};
pub(crate) use self::cpuid::codegen_cpuid_call;
pub(crate) use self::llvm::codegen_llvm_intrinsic_call;
use crate::prelude::*;
use cranelift_codegen::ir::AtomicRmwOp;
fn bug_on_incorrect_arg_count(intrinsic: impl std::fmt::Display) -> ! {
bug!("wrong number of args for intrinsic {}", intrinsic);

39
compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
View File

@ -148,7 +148,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let total_len = lane_count * 2;
let indexes =
idx.iter().map(|idx| idx.unwrap_leaf().try_to_u16().unwrap()).collect::<Vec<u16>>();
idx.iter().map(|idx| idx.unwrap_leaf().try_to_u32().unwrap()).collect::<Vec<u32>>();
for &idx in &indexes {
assert!(u64::from(idx) < total_len, "idx {} out of range 0..{}", idx, total_len);
@ -216,8 +216,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let indexes = {
use rustc_middle::mir::interpret::*;
let idx_const = crate::constant::mir_operand_get_const_val(fx, idx)
.expect("simd_shuffle idx not const");
let idx_const = match idx {
Operand::Constant(const_) => crate::constant::eval_mir_constant(fx, const_).0,
Operand::Copy(_) | Operand::Move(_) => unreachable!("{idx:?}"),
};
let idx_bytes = match idx_const {
ConstValue::Indirect { alloc_id, offset } => {
@ -343,7 +345,11 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
ret.write_cvalue(fx, ret_lane);
}
sym::simd_neg => {
sym::simd_neg
| sym::simd_bswap
| sym::simd_bitreverse
| sym::simd_ctlz
| sym::simd_cttz => {
intrinsic_args!(fx, args => (a); intrinsic);
if !a.layout().ty.is_simd() {
@ -351,16 +357,21 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
return;
}
simd_for_each_lane(
fx,
a,
ret,
&|fx, lane_ty, _ret_lane_ty, lane| match lane_ty.kind() {
ty::Int(_) => fx.bcx.ins().ineg(lane),
ty::Float(_) => fx.bcx.ins().fneg(lane),
_ => unreachable!(),
},
);
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| match (
lane_ty.kind(),
intrinsic,
) {
(ty::Int(_), sym::simd_neg) => fx.bcx.ins().ineg(lane),
(ty::Float(_), sym::simd_neg) => fx.bcx.ins().fneg(lane),
(ty::Uint(ty::UintTy::U8) | ty::Int(ty::IntTy::I8), sym::simd_bswap) => lane,
(ty::Uint(_) | ty::Int(_), sym::simd_bswap) => fx.bcx.ins().bswap(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_bitreverse) => fx.bcx.ins().bitrev(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_ctlz) => fx.bcx.ins().clz(lane),
(ty::Uint(_) | ty::Int(_), sym::simd_cttz) => fx.bcx.ins().ctz(lane),
_ => unreachable!(),
});
}
sym::simd_add

39
compiler/rustc_codegen_cranelift/src/lib.rs
View File

@ -29,6 +29,8 @@ use std::any::Any;
use std::cell::{Cell, RefCell};
use std::sync::Arc;
use cranelift_codegen::isa::TargetIsa;
use cranelift_codegen::settings::{self, Configurable};
use rustc_codegen_ssa::traits::CodegenBackend;
use rustc_codegen_ssa::CodegenResults;
use rustc_data_structures::profiling::SelfProfilerRef;
@ -39,9 +41,6 @@ use rustc_session::config::OutputFilenames;
use rustc_session::Session;
use rustc_span::Symbol;
use cranelift_codegen::isa::TargetIsa;
use cranelift_codegen::settings::{self, Configurable};
pub use crate::config::*;
use crate::prelude::*;
@ -76,22 +75,6 @@ mod value_and_place;
mod vtable;
mod prelude {
pub(crate) use rustc_span::{FileNameDisplayPreference, Span};
pub(crate) use rustc_hir::def_id::{DefId, LOCAL_CRATE};
pub(crate) use rustc_middle::bug;
pub(crate) use rustc_middle::mir::{self, *};
pub(crate) use rustc_middle::ty::layout::{self, LayoutOf, TyAndLayout};
pub(crate) use rustc_middle::ty::{
self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut,
TypeFoldable, TypeVisitableExt, UintTy,
};
pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT};
pub(crate) use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
pub(crate) use rustc_index::Idx;
pub(crate) use cranelift_codegen::ir::condcodes::{FloatCC, IntCC};
pub(crate) use cranelift_codegen::ir::function::Function;
pub(crate) use cranelift_codegen::ir::types;
@ -103,6 +86,18 @@ mod prelude {
pub(crate) use cranelift_codegen::Context;
pub(crate) use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext, Variable};
pub(crate) use cranelift_module::{self, DataDescription, FuncId, Linkage, Module};
pub(crate) use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
pub(crate) use rustc_hir::def_id::{DefId, LOCAL_CRATE};
pub(crate) use rustc_index::Idx;
pub(crate) use rustc_middle::bug;
pub(crate) use rustc_middle::mir::{self, *};
pub(crate) use rustc_middle::ty::layout::{self, LayoutOf, TyAndLayout};
pub(crate) use rustc_middle::ty::{
self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut,
TypeFoldable, TypeVisitableExt, UintTy,
};
pub(crate) use rustc_span::{FileNameDisplayPreference, Span};
pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT};
pub(crate) use crate::abi::*;
pub(crate) use crate::base::{codegen_operand, codegen_place};
@ -263,9 +258,9 @@ fn build_isa(sess: &Session, backend_config: &BackendConfig) -> Arc<dyn isa::Tar
let preserve_frame_pointer = sess.target.options.frame_pointer
!= rustc_target::spec::FramePointer::MayOmit
|| matches!(sess.opts.cg.force_frame_pointers, Some(true));
if preserve_frame_pointer {
flags_builder.set("preserve_frame_pointers", "true").unwrap();
}
flags_builder
.set("preserve_frame_pointers", if preserve_frame_pointer { "true" } else { "false" })
.unwrap();
let tls_model = match target_triple.binary_format {
BinaryFormat::Elf => "elf_gd",

5
compiler/rustc_codegen_cranelift/src/pointer.rs
View File

@ -1,11 +1,10 @@
//! Defines [`Pointer`] which is used to improve the quality of the generated clif ir for pointer
//! operations.
use crate::prelude::*;
use cranelift_codegen::ir::immediates::Offset32;
use rustc_target::abi::Align;
use cranelift_codegen::ir::immediates::Offset32;
use crate::prelude::*;
/// A pointer pointing either to a certain address, a certain stack slot or nothing.
#[derive(Copy, Clone, Debug)]

22
compiler/rustc_codegen_cranelift/src/pretty_clif.rs
View File

@ -63,8 +63,8 @@ use cranelift_codegen::{
ir::entities::AnyEntity,
write::{FuncWriter, PlainWriter},
};
use rustc_middle::ty::layout::FnAbiOf;
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_session::config::{OutputFilenames, OutputType};
use crate::prelude::*;
@ -80,15 +80,17 @@ impl CommentWriter {
pub(crate) fn new<'tcx>(tcx: TyCtxt<'tcx>, instance: Instance<'tcx>) -> Self {
let enabled = should_write_ir(tcx);
let global_comments = if enabled {
vec![
format!("symbol {}", tcx.symbol_name(instance).name),
format!("instance {:?}", instance),
format!(
"abi {:?}",
RevealAllLayoutCx(tcx).fn_abi_of_instance(instance, ty::List::empty())
),
String::new(),
]
with_no_trimmed_paths!({
vec![
format!("symbol {}", tcx.symbol_name(instance).name),
format!("instance {:?}", instance),
format!(
"abi {:?}",
RevealAllLayoutCx(tcx).fn_abi_of_instance(instance, ty::List::empty())
),
String::new(),
]
})
} else {
vec![]
};

10
compiler/rustc_codegen_cranelift/src/value_and_place.rs
View File

@ -1,11 +1,10 @@
//! Definition of [`CValue`] and [`CPlace`]
use crate::prelude::*;
use rustc_middle::ty::FnSig;
use cranelift_codegen::entity::EntityRef;
use cranelift_codegen::ir::immediates::Offset32;
use rustc_middle::ty::FnSig;
use crate::prelude::*;
fn codegen_field<'tcx>(
fx: &mut FunctionCx<'_, '_, 'tcx>,
@ -310,7 +309,8 @@ impl<'tcx> CValue<'tcx> {
fx.bcx.ins().iconcat(lsb, msb)
}
ty::Bool | ty::Char | ty::Uint(_) | ty::Int(_) | ty::Ref(..) | ty::RawPtr(..) => {
fx.bcx.ins().iconst(clif_ty, const_val.to_bits(layout.size).unwrap() as i64)
let raw_val = const_val.size().truncate(const_val.to_bits(layout.size).unwrap());
fx.bcx.ins().iconst(clif_ty, raw_val as i64)
}
ty::Float(FloatTy::F32) => {
fx.bcx.ins().f32const(Ieee32::with_bits(u32::try_from(const_val).unwrap()))

1
src/tools/tidy/src/deps.rs
View File

@ -326,7 +326,6 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[
"ahash",
"anyhow",
"arbitrary",
"autocfg",
"bitflags",
"bumpalo",
"cfg-if",