Print LLVM passes time consumption.
Change-Id: I592b843da83acefb5b397e07565406254081d3df
diff --git a/src/compiler_llvm/compiler_llvm.cc b/src/compiler_llvm/compiler_llvm.cc
index 1edbd46..c94e7ea 100644
--- a/src/compiler_llvm/compiler_llvm.cc
+++ b/src/compiler_llvm/compiler_llvm.cc
@@ -27,15 +27,23 @@
#include <llvm/LinkAllPasses.h>
#include <llvm/LinkAllVMCore.h>
+#include <llvm/Support/ManagedStatic.h>
#include <llvm/Support/TargetSelect.h>
#include <llvm/Support/Threading.h>
+namespace llvm {
+ extern bool TimePassesIsEnabled;
+}
+
namespace {
pthread_once_t llvm_initialized = PTHREAD_ONCE_INIT;
void InitializeLLVM() {
+ // NOTE: Uncomment following line to show the time consumption of LLVM passes
+ //llvm::TimePassesIsEnabled = true;
+
// Initialize LLVM target, MC subsystem, asm printer, and asm parser
llvm::InitializeAllTargets();
llvm::InitializeAllTargetMCs();
@@ -81,6 +89,7 @@
CompilerLLVM::~CompilerLLVM() {
STLDeleteElements(&cunits_);
+ llvm::llvm_shutdown();
}
