[misc] Show LLVM version on startup

python/taichi/core/util.py

@@ -480,6 +480,9 @@ def _print_taichi_header():
     archs_str = ', '.join(sorted(supported_archs))
     header += f'supported archs: [{archs_str}], '
 
+    llvm_version = ti_core.get_version_llvm()
+    header += f'llvm {llvm_version}, '
+
     commit_hash = ti_core.get_commit_hash()
     commit_hash = commit_hash[:8]
     header += f'commit {commit_hash}, '

taichi/common/core.cpp

@@ -6,6 +6,7 @@
 #include "taichi/common/core.h"
 #include "taichi/common/version.h"
 #include "taichi/common/commit_hash.h"
+#include "llvm/Config/llvm-config.h"
 
 TI_NAMESPACE_BEGIN
 
@@ -76,4 +77,8 @@ std::string get_cuda_version_string() {
   return TI_CUDAVERSION;
 }
 
+std::string get_llvm_version_string() {
+  return LLVM_VERSION_STRING;
+}
+
 TI_NAMESPACE_END

taichi/common/core.h

@@ -520,4 +520,5 @@ std::string get_commit_hash();
 
 std::string get_cuda_version_string();
 
+std::string get_llvm_version_string();
 TI_NAMESPACE_END

taichi/python/export_lang.cpp

@@ -537,6 +537,7 @@ void export_lang(py::module &m) {
   m.def("get_version_major", get_version_major);
   m.def("get_version_minor", get_version_minor);
   m.def("get_version_patch", get_version_patch);
+  m.def("get_version_llvm", get_llvm_version_string);
   m.def("test_printf", [] { printf("test_printf\n"); });
   m.def("test_logging", [] { TI_INFO("test_logging\n"); });
   m.def("trigger_crash", [] { *(int *)(1) = 0; });