Merge pull request #35680 from JuliaLang/tb/llvm_pass_timings

Report LLVM timings and statistics during teardown.

src/codegen.cpp

@@ -57,12 +57,14 @@
 // support
 #include <llvm/ADT/SmallBitVector.h>
 #include <llvm/ADT/Optional.h>
+#include <llvm/ADT/Statistic.h>
 #include <llvm/Support/raw_ostream.h>
 #include <llvm/Support/FormattedStream.h>
 #include <llvm/Support/SourceMgr.h> // for llvmcall
 #include <llvm/Transforms/Utils/Cloning.h> // for llvmcall inlining
 #include <llvm/Transforms/Utils/BasicBlockUtils.h>
 #include <llvm/IR/Verifier.h> // for llvmcall validation
+#include <llvm/IR/PassTimingInfo.h>
 #include <llvm/Bitcode/BitcodeWriter.h>
 
 // C API
@@ -7598,6 +7600,13 @@ extern "C" void jl_init_codegen(void)
  jl_init_intrinsic_functions_codegen(m);
 }
 
+extern "C" void jl_teardown_codegen()
+{
+ // output LLVM timings and statistics
+ reportAndResetTimings();
+ PrintStatistics();
+}
+
 // the rest of this file are convenience functions
 // that are exported for assisting with debugging from gdb
 extern "C" void jl_dump_llvm_value(void *v)

src/init.c

@@ -290,6 +290,8 @@ JL_DLLEXPORT void jl_atexit_hook(int exitcode)
 #ifdef ENABLE_TIMINGS
  jl_print_timings();
 #endif
+
+ jl_teardown_codegen();
 }
 
 static void post_boot_hooks(void);

src/julia_internal.h

@@ -539,6 +539,8 @@ void jl_init_uv(void);
 void jl_init_debuginfo(void);
 void jl_init_thread_heap(jl_ptls_t ptls);
 
+void jl_teardown_codegen(void);
+
 void _julia_init(JL_IMAGE_SEARCH rel);
 
 void jl_set_base_ctx(char *__stk);