[llvm] [libc][ci] Add libc-shared-test CI for MSVC, ppc64le, and s390x. (PR #188553)
via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 25 15:47:39 PDT 2026
https://github.com/lntue updated https://github.com/llvm/llvm-project/pull/188553
>From 8992aeb7c3c4a827b4f223f68907ef470623f6dd Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 13:43:30 -0400
Subject: [PATCH 1/8] [libc][ci] Add libc-shared-test CI for MSVC, ppc64le, and
s390x.
---
.github/workflows/libc-shared-tests.yml | 69 +++++++++++++++++++++++++
1 file changed, 69 insertions(+)
create mode 100644 .github/workflows/libc-shared-tests.yml
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
new file mode 100644
index 0000000000000..fd27d82cd6423
--- /dev/null
+++ b/.github/workflows/libc-shared-tests.yml
@@ -0,0 +1,69 @@
+name: libc Precommit CI - shared ßtests
+permissions:
+ contents: read
+on:
+ pull_request:
+ paths:
+ - 'libc/**'
+ - '.github/workflows/libc-shared-tests.yml'
+
+jobs:
+ # -------------------------------------------------------------
+ # Job 1: Windows Native (MSVC)
+ # -------------------------------------------------------------
+ windows-msvc-shared:
+ name: MSVC libc-shared-test
+ runs-on: windows-2022
+ steps:
+ - name: Checkout LLVM
+ uses: actions/checkout at v4
+
+ - name: Setup MSVC Dev Environment
+ uses: ilammy/msvc-dev-cmd at v1
+ with:
+ arch: x64
+
+ - name: Configure CMake
+ run: |
+ cmake -B build -S runtimes -G Ninja `
+ -DLLVM_ENABLE_RUNTIMES=libc `
+ -DCMAKE_C_COMPILER=cl `
+ -DCMAKE_CXX_COMPILER=cl `
+ -DCMAKE_BUILD_TYPE=Release
+
+ - name: Build and Test
+ run: cmake --build build --target libc-shared-test
+
+ # -------------------------------------------------------------
+ # Job 2: Linux Emulated (ppc64le & s390x)
+ # -------------------------------------------------------------
+ linux-cross-arch-shared:
+ name: Clang libc-shared-test (${{ matrix.arch }})
+ runs-on: ubuntu-24.04
+ strategy:
+ fail-fast: false # If one arch fails, let the other finish
+ matrix:
+ arch: [ppc64le, s390x]
+
+ steps:
+ - name: Checkout LLVM
+ uses: actions/checkout at v4
+
+ # Uses QEMU and Docker to seamlessly run commands in an emulated architecture
+ - name: Build and Test in Emulated Container
+ uses: uraimo/run-on-arch-action at v2
+ with:
+ arch: ${{ matrix.arch }}
+ githubToken: ${{ github.token }}
+ install: |
+ apt-get update -y
+ apt-get install -y cmake ninja-build clang lld
+ run: |
+ # Using Clang inside the emulated Ubuntu container
+ cmake -B build -S runtimes -G Ninja \
+ -DLLVM_ENABLE_RUNTIMES=libc \
+ -DCMAKE_C_COMPILER=clang \
+ -DCMAKE_CXX_COMPILER=clang++ \
+ -DCMAKE_BUILD_TYPE=Release
+
+ cmake --build build --target libc-shared-test
>From a20c8241c66119e54f9ec98d0a3621a033b91137 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 13:56:42 -0400
Subject: [PATCH 2/8] Pin versions and remove token.
---
.github/workflows/libc-shared-tests.yml | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index fd27d82cd6423..073bb9178efa0 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -1,4 +1,4 @@
-name: libc Precommit CI - shared ßtests
+name: libc Precommit CI - shared tests
permissions:
contents: read
on:
@@ -16,10 +16,10 @@ jobs:
runs-on: windows-2022
steps:
- name: Checkout LLVM
- uses: actions/checkout at v4
+ uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
- name: Setup MSVC Dev Environment
- uses: ilammy/msvc-dev-cmd at v1
+ uses: ilammy/msvc-dev-cmd at 0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
with:
arch: x64
@@ -47,14 +47,13 @@ jobs:
steps:
- name: Checkout LLVM
- uses: actions/checkout at v4
+ uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
# Uses QEMU and Docker to seamlessly run commands in an emulated architecture
- name: Build and Test in Emulated Container
- uses: uraimo/run-on-arch-action at v2
+ uses: uraimo/run-on-arch-action at d94c13912ea685de38fccc1109385b83fd79427d # v3.0.1
with:
arch: ${{ matrix.arch }}
- githubToken: ${{ github.token }}
install: |
apt-get update -y
apt-get install -y cmake ninja-build clang lld
>From 64ad1d3e2a60875e10b6cadb3ff6e427687923e2 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 14:06:36 -0400
Subject: [PATCH 3/8] Fix target name.
---
.github/workflows/libc-shared-tests.yml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index 073bb9178efa0..605d6cb970ca6 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -32,7 +32,7 @@ jobs:
-DCMAKE_BUILD_TYPE=Release
- name: Build and Test
- run: cmake --build build --target libc-shared-test
+ run: cmake --build build --target libc-shared-tests
# -------------------------------------------------------------
# Job 2: Linux Emulated (ppc64le & s390x)
@@ -65,4 +65,4 @@ jobs:
-DCMAKE_CXX_COMPILER=clang++ \
-DCMAKE_BUILD_TYPE=Release
- cmake --build build --target libc-shared-test
+ cmake --build build --target libc-shared-tests
>From 7cde8628fca63d7c8a1d7be066c5dbe6fe527ed1 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 18:25:11 -0400
Subject: [PATCH 4/8] Try different qemu setup.
---
.github/workflows/libc-shared-tests.yml | 27 +++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index 605d6cb970ca6..5e12b320f7c95 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -43,26 +43,37 @@ jobs:
strategy:
fail-fast: false # If one arch fails, let the other finish
matrix:
- arch: [ppc64le, s390x]
+ includes:
+ - arch: aarch64
+ libc: libc6-dev-aarch64-cross
+ libcpp: libstdc++14-dev-aarch64-cross
+ target_triple: aarch64-linux-gnu
+ - arch: riscv64
+ libc: libc6-dev-riscv64-cross
+ libcpp: libstdc++14-dev-riscv64-cross
+ target_triple: riscv64-linux-gnu
+ - arch: ppc64le
+ libc: libc6-dev-ppc64el-cross
+ libcpp: libstdc++14-dev-ppc64el-cross
+ target_triple: ppc64le-linux-gnu
steps:
- name: Checkout LLVM
uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
- # Uses QEMU and Docker to seamlessly run commands in an emulated architecture
- - name: Build and Test in Emulated Container
- uses: uraimo/run-on-arch-action at d94c13912ea685de38fccc1109385b83fd79427d # v3.0.1
+ - name: Prepare dependencies
with:
- arch: ${{ matrix.arch }}
+ arch: x64
install: |
apt-get update -y
- apt-get install -y cmake ninja-build clang lld
+ apt-get install -y cmake ninja-build clang lld qemu-user-static ${{ matrix.libc }} ${{ matrix.libcpp }}
run: |
# Using Clang inside the emulated Ubuntu container
- cmake -B build -S runtimes -G Ninja \
+ cmake -B build -S llvm -G Ninja \
-DLLVM_ENABLE_RUNTIMES=libc \
-DCMAKE_C_COMPILER=clang \
-DCMAKE_CXX_COMPILER=clang++ \
- -DCMAKE_BUILD_TYPE=Release
+ -DCMAKE_BUILD_TYPE=Release \
+ -DLIBC_TARGET_TRIPLE=${{ target_triple }}
cmake --build build --target libc-shared-tests
>From ba841b00c26e16058056543d8ab615b67b909f53 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 18:31:47 -0400
Subject: [PATCH 5/8] Fix include.
---
.github/workflows/libc-shared-tests.yml | 30 ++++++++++++-------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index 5e12b320f7c95..eb1a0c269a272 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -12,7 +12,7 @@ jobs:
# Job 1: Windows Native (MSVC)
# -------------------------------------------------------------
windows-msvc-shared:
- name: MSVC libc-shared-test
+ name: libc-shared-test with MSVC
runs-on: windows-2022
steps:
- name: Checkout LLVM
@@ -38,24 +38,24 @@ jobs:
# Job 2: Linux Emulated (ppc64le & s390x)
# -------------------------------------------------------------
linux-cross-arch-shared:
- name: Clang libc-shared-test (${{ matrix.arch }})
+ name: libc-shared-tests on (${{ matrix.arch }})
runs-on: ubuntu-24.04
strategy:
fail-fast: false # If one arch fails, let the other finish
matrix:
- includes:
- - arch: aarch64
- libc: libc6-dev-aarch64-cross
- libcpp: libstdc++14-dev-aarch64-cross
- target_triple: aarch64-linux-gnu
- - arch: riscv64
- libc: libc6-dev-riscv64-cross
- libcpp: libstdc++14-dev-riscv64-cross
- target_triple: riscv64-linux-gnu
- - arch: ppc64le
- libc: libc6-dev-ppc64el-cross
- libcpp: libstdc++14-dev-ppc64el-cross
- target_triple: ppc64le-linux-gnu
+ include:
+ - arch: aarch64
+ libc: libc6-dev-aarch64-cross
+ libcpp: libstdc++14-dev-aarch64-cross
+ target_triple: aarch64-linux-gnu
+ - arch: riscv64
+ libc: libc6-dev-riscv64-cross
+ libcpp: libstdc++14-dev-riscv64-cross
+ target_triple: riscv64-linux-gnu
+ - arch: ppc64le
+ libc: libc6-dev-ppc64el-cross
+ libcpp: libstdc++14-dev-ppc64el-cross
+ target_triple: ppc64le-linux-gnu
steps:
- name: Checkout LLVM
>From 5675334a914865332ef7694d581823202d39b743 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 18:37:51 -0400
Subject: [PATCH 6/8] Update steps.
---
.github/workflows/libc-shared-tests.yml | 31 +++++++++++++------------
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index eb1a0c269a272..d7002c03e0e7a 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -62,18 +62,19 @@ jobs:
uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
- name: Prepare dependencies
- with:
- arch: x64
- install: |
- apt-get update -y
- apt-get install -y cmake ninja-build clang lld qemu-user-static ${{ matrix.libc }} ${{ matrix.libcpp }}
- run: |
- # Using Clang inside the emulated Ubuntu container
- cmake -B build -S llvm -G Ninja \
- -DLLVM_ENABLE_RUNTIMES=libc \
- -DCMAKE_C_COMPILER=clang \
- -DCMAKE_CXX_COMPILER=clang++ \
- -DCMAKE_BUILD_TYPE=Release \
- -DLIBC_TARGET_TRIPLE=${{ target_triple }}
-
- cmake --build build --target libc-shared-tests
+ run: |
+ apt-get update -y
+ apt-get install -y cmake ninja-build clang lld qemu-user-static ${{ matrix.libc }} ${{ matrix.libcpp }}
+
+ - name: Configure CMake
+ run: |
+ cmake -B build -S llvm -G Ninja \
+ -DLLVM_ENABLE_RUNTIMES=libc \
+ -DCMAKE_C_COMPILER=clang \
+ -DCMAKE_CXX_COMPILER=clang++ \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DLIBC_TARGET_TRIPLE=${{ target_triple }}
+
+ - name: Build and Run
+ run: |
+ cmake --build build --target libc-shared-tests
>From cddb06683d07eff955cc117ed4ee18c778a05309 Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 18:43:41 -0400
Subject: [PATCH 7/8] Fix target triple.
---
.github/workflows/libc-shared-tests.yml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index d7002c03e0e7a..a4bccf12fa81c 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -73,7 +73,7 @@ jobs:
-DCMAKE_C_COMPILER=clang \
-DCMAKE_CXX_COMPILER=clang++ \
-DCMAKE_BUILD_TYPE=Release \
- -DLIBC_TARGET_TRIPLE=${{ target_triple }}
+ -DLIBC_TARGET_TRIPLE=${{ matrix.target_triple }}
- name: Build and Run
run: |
>From e954678836c92ddca8a145a57ee1852f55d0c99d Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue at google.com>
Date: Wed, 25 Mar 2026 18:47:14 -0400
Subject: [PATCH 8/8] Use sudo for apt-get.
---
.github/workflows/libc-shared-tests.yml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/.github/workflows/libc-shared-tests.yml b/.github/workflows/libc-shared-tests.yml
index a4bccf12fa81c..d03f735c4a153 100644
--- a/.github/workflows/libc-shared-tests.yml
+++ b/.github/workflows/libc-shared-tests.yml
@@ -60,11 +60,13 @@ jobs:
steps:
- name: Checkout LLVM
uses: actions/checkout at 8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+ with:
+ persist-credentials: false
- name: Prepare dependencies
run: |
- apt-get update -y
- apt-get install -y cmake ninja-build clang lld qemu-user-static ${{ matrix.libc }} ${{ matrix.libcpp }}
+ sudo apt-get update -y
+ sudo apt-get install -y cmake ninja-build clang lld qemu-user-static ${{ matrix.libc }} ${{ matrix.libcpp }}
- name: Configure CMake
run: |
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