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Update LLVM to 21.1.2.

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Wraps the LLVMContext construction in LLVM 21 version check; LLVM 21 makes a
breaking change in LLVMContext construction, but WAMR still needs to
support older LLVM versions, e.g. for xtensa/esp32 support which is only
available in at most LLVM 19.
This commit is contained in:
William Furr 2025-10-01 20:44:29 +00:00
parent 3f4145e691
commit f4dc4e1be3
2 changed files with 22 additions and 2 deletions
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4
build-scripts/build_llvm.py
View File

@ -294,7 +294,7 @@ def main():
"arc": {
"repo": "https://github.com/llvm/llvm-project.git",
"repo_ssh": "git@github.com:llvm/llvm-project.git",
"branch": "release/18.x",
"branch": "release/21.x",
},
"xtensa": {
"repo": "https://github.com/espressif/llvm-project.git",
@ -304,7 +304,7 @@ def main():
"default": {
"repo": "https://github.com/llvm/llvm-project.git",
"repo_ssh": "git@github.com:llvm/llvm-project.git",
"branch": "release/18.x",
"branch": "release/21.x",
},
}

20
core/iwasm/compilation/aot_llvm.c
View File

@ -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.");
@ -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.");