Auto merge of #112671 - bjorn3:sync_cg_clif-2023-06-15, r=bjorn3

Sync rustc_codegen_cranelift

The main highlights this time are a cranelift update, some x86 vendor intrinsic implementations and preparations for testing cg_clif in CI here.

r? `@ghost`

`@rustbot` label +A-codegen +A-cranelift +T-compiler

compiler/rustc_codegen_cranelift/.cirrus.yml

@@ -1,16 +1,16 @@
 task:
   name: freebsd
   freebsd_instance:
-    image: freebsd-13-1-release-amd64
+    image: freebsd-13-2-release-amd64
   setup_rust_script:
-    - pkg install -y curl git bash
+    - pkg install -y git bash
     - curl https://sh.rustup.rs -sSf --output rustup.sh
     - sh rustup.sh --default-toolchain none -y --profile=minimal
   target_cache:
     folder: target
   prepare_script:
     - . $HOME/.cargo/env
-    - ./y.rs prepare
+    - ./y.sh prepare
   test_script:
     - . $HOME/.cargo/env
-    - ./y.rs test
+    - ./y.sh test

compiler/rustc_codegen_cranelift/.github/workflows/abi-cafe.yml

@@ -46,12 +46,12 @@ jobs:
       run: rustup set default-host x86_64-pc-windows-gnu
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
 
     - name: Build
-      run: ./y.rs build --sysroot none
+      run: ./y.sh build --sysroot none
 
     - name: Test abi-cafe
       env:
         TARGET_TRIPLE: ${{ matrix.env.TARGET_TRIPLE }}
-      run: ./y.rs abi-cafe
+      run: ./y.sh abi-cafe

compiler/rustc_codegen_cranelift/.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Rustfmt
       run: |
         cargo fmt --check
-        rustfmt --check build_system/mod.rs
+        rustfmt --check build_system/main.rs
         rustfmt --check example/*
 
 
@@ -91,22 +91,52 @@ jobs:
         sudo apt-get install -y gcc-s390x-linux-gnu qemu-user
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
+
+    - name: Build
+      run: ./y.sh build --sysroot none
 
-    - name: Build without unstable features
+    - name: Test
       env:
         TARGET_TRIPLE: ${{ matrix.env.TARGET_TRIPLE }}
-      # This is the config rust-lang/rust uses for builds
-      run: ./y.rs build --no-unstable-features
+      run: ./y.sh test
 
-    - name: Build
-      run: ./y.rs build --sysroot none
+    - name: Install LLVM standard library
+      run: rustup target add ${{ matrix.env.TARGET_TRIPLE }}
 
-    - name: Test
+    # This is roughly config rust-lang/rust uses for testing
+    - name: Test with LLVM sysroot
+      # Skip native x86_64-pc-windows-gnu. It is way too slow and cross-compiled
+      # x86_64-pc-windows-gnu covers at least part of the tests.
+      if: matrix.os != 'windows-latest' || matrix.env.TARGET_TRIPLE != 'x86_64-pc-windows-gnu'
       env:
         TARGET_TRIPLE: ${{ matrix.env.TARGET_TRIPLE }}
-      run: ./y.rs test
+      run: ./y.sh test --sysroot llvm --no-unstable-features
+
+
+  # This job doesn't use cg_clif in any way. It checks that all cg_clif tests work with cg_llvm too.
+  test_llvm:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    defaults:
+      run:
+        shell: bash
 
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Prepare dependencies
+      run: ./y.rs prepare
+
+    - name: Disable JIT tests
+      run: |
+        sed -i 's/jit./#jit./' config.txt
+
+    - name: Test
+      env:
+        TARGET_TRIPLE: x86_64-unknown-linux-gnu
+      run: ./y.rs test --use-backend llvm
 
   bench:
     runs-on: ubuntu-latest
@@ -135,13 +165,13 @@ jobs:
       run: cargo install hyperfine || true
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
 
     - name: Build
-      run: CI_OPT=1 ./y.rs build --sysroot none
+      run: CI_OPT=1 ./y.sh build --sysroot none
 
     - name: Benchmark
-      run: CI_OPT=1 ./y.rs bench
+      run: CI_OPT=1 ./y.sh bench
 
 
   dist:
@@ -194,13 +224,13 @@ jobs:
         sudo apt-get install -y gcc-mingw-w64-x86-64 wine-stable
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
 
     - name: Build backend
-      run: CI_OPT=1 ./y.rs build --sysroot none
+      run: CI_OPT=1 ./y.sh build --sysroot none
 
     - name: Build sysroot
-      run: CI_OPT=1 ./y.rs build
+      run: CI_OPT=1 ./y.sh build
 
     - name: Package prebuilt cg_clif
       run: tar cvfJ cg_clif.tar.xz dist

compiler/rustc_codegen_cranelift/.github/workflows/rustc.yml

@@ -18,7 +18,7 @@ jobs:
         key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }}
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
 
     - name: Test
       run: ./scripts/test_bootstrap.sh
@@ -38,7 +38,7 @@ jobs:
         key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }}
 
     - name: Prepare dependencies
-      run: ./y.rs prepare
+      run: ./y.sh prepare
 
     - name: Test
       run: ./scripts/test_rustc_tests.sh

compiler/rustc_codegen_cranelift/.gitignore

@@ -1,4 +1,5 @@
 /target
+/build_system/target
 **/*.rs.bk
 *.rlib
 *.o

compiler/rustc_codegen_cranelift/.vscode/settings.json

@@ -6,9 +6,10 @@
     "rust-analyzer.imports.granularity.enforce": true,
     "rust-analyzer.imports.granularity.group": "module",
     "rust-analyzer.imports.prefix": "crate",
-    "rust-analyzer.cargo.features": ["unstable-features", "__check_build_system_using_ra"],
+    "rust-analyzer.cargo.features": ["unstable-features"],
     "rust-analyzer.linkedProjects": [
         "./Cargo.toml",
+        "./build_system/Cargo.toml",
         {
             "crates": [
                 {