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Update LLVM to 21.1.2. #4654

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f4dc4e1
Update LLVM to 21.1.2.
wffurr Oct 1, 2025
afdba12
Free up space on Ubuntu runner for nuttx spec tests.
wffurr Oct 6, 2025
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13 changes: 13 additions & 0 deletions .github/workflows/spec_test_on_nuttx.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,19 @@ jobs:
permissions:
contents: read
actions: write
uses: jlumbroso/[email protected]
with:
# Deletes Android, Haskell, and .NET runtimes from the runner, freeing
# about 15 GB.
android: true
dotnet: true
haskell: true
# Keeps the tool cache, some large packages, docker images, and swap.
# Some of these could also be removed if more space is needed.
tool-cache: false
large-packages: false
docker-images: false
swap-storage: false
uses: ./.github/workflows/build_llvm_libraries.yml
with:
os: "ubuntu-22.04"
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4 changes: 2 additions & 2 deletions build-scripts/build_llvm.py
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Expand Up @@ -294,7 +294,7 @@ def main():
"arc": {
"repo": "https://github.com/llvm/llvm-project.git",
"repo_ssh": "[email protected]:llvm/llvm-project.git",
"branch": "release/18.x",
"branch": "release/21.x",
},
"xtensa": {
"repo": "https://github.com/espressif/llvm-project.git",
Expand All @@ -304,7 +304,7 @@ def main():
"default": {
"repo": "https://github.com/llvm/llvm-project.git",
"repo_ssh": "[email protected]:llvm/llvm-project.git",
"branch": "release/18.x",
"branch": "release/21.x",
},
}

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20 changes: 20 additions & 0 deletions core/iwasm/compilation/aot_llvm.c
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Expand Up @@ -2656,6 +2656,25 @@ aot_create_comp_context(const AOTCompData *comp_data, aot_comp_option_t option)
comp_ctx->comp_data = comp_data;

/* Create LLVM context, module and builder */
#if LLVM_VERSION_MAJOR >= 21
/* Construct an LLVMContext directly, note:
different from non LAZY JIT mode, no need to dispose this context, if
will be disposed when the thread safe context is disposed */
comp_ctx->context = LLVMContextCreate();
if (!comp_ctx->context) {
aot_set_last_error("create LLVM Context failed.");
goto fail;
}

/* Wrap the LLVM context in a thread safe context. */
comp_ctx->orc_thread_safe_context =
LLVMOrcCreateNewThreadSafeContextFromLLVMContext(comp_ctx->context);
if (!comp_ctx->orc_thread_safe_context) {
aot_set_last_error(
"Create LLVM ThreadSafeContext from LLVMContext failed.");
goto fail;
}
#else // LLVM_VERSION_MAJOR < 21
comp_ctx->orc_thread_safe_context = LLVMOrcCreateNewThreadSafeContext();
if (!comp_ctx->orc_thread_safe_context) {
aot_set_last_error("create LLVM ThreadSafeContext failed.");
Expand All @@ -2670,6 +2689,7 @@ aot_create_comp_context(const AOTCompData *comp_data, aot_comp_option_t option)
aot_set_last_error("get context from LLVM ThreadSafeContext failed.");
goto fail;
}
#endif

if (!(comp_ctx->builder = LLVMCreateBuilderInContext(comp_ctx->context))) {
aot_set_last_error("create LLVM builder failed.");
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