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wamr-compiler: add --llvm-version option (#4540)

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llvm is one of the most important component of wamrc.
otoh, i often forget which version of llvm i linked to my wamrc binary.
this option would help people with a dim memory like me.

```shell
spacetanuki% ./wamrc --llvm-version
LLVM 19.1.2
spacetanuki%
```
This commit is contained in:
YAMAMOTO Takashi 2025-08-11 16:06:17 +09:00 committed by GitHub
parent 082e558d66
commit c0a32b317d
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1 changed files with 8 additions and 0 deletions
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8
wamr-compiler/main.c
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@ -9,6 +9,7 @@
#include "wasm_export.h"
#include "aot_export.h"
#include <llvm-c/Core.h>
#include <llvm-c/Support.h>
#if BH_HAS_DLFCN
@ -218,6 +219,7 @@ print_help()
printf(" WARNING: enable this feature will largely increase code size\n");
printf(" -v=n Set log verbose level (0 to 5, default is 2), larger with more log\n");
printf(" --version Show version information\n");
printf(" --llvm-version Show LLVM version information\n");
printf("Examples: wamrc -o test.aot test.wasm\n");
printf(" wamrc --target=i386 -o test.aot test.wasm\n");
printf(" wamrc --target=i386 --format=object -o test.o test.wasm\n");
@ -676,6 +678,12 @@ main(int argc, char *argv[])
printf("wamrc %u.%u.%u\n", major, minor, patch);
return 0;
}
else if (!strcmp(argv[0], "--llvm-version")) {
unsigned major, minor, patch;
LLVMGetVersion(&major, &minor, &patch);
printf("LLVM %u.%u.%u\n", major, minor, patch);
return 0;
}
else
PRINT_HELP_AND_EXIT();
}