Measure time that IR parsing took as part of the -time-passes measurement.

llvm-svn: 178662

1 files changed, 11 insertions, 0 deletions

diff --git a/llvm/lib/IRReader/IRReader.cpp b/llvm/lib/IRReader/IRReader.cpp
index fb87cbd8bf8..eeec14e834c 100644
--- a/llvm/lib/IRReader/IRReader.cpp
+++ b/llvm/lib/IRReader/IRReader.cpp
@@ -14,9 +14,18 @@
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/system_error.h"
+#include "llvm/Support/Timer.h"
 
 using namespace llvm;
 
+namespace llvm {
+  extern bool TimePassesIsEnabled;
+}
+
+static const char *TimeIRParsingGroupName = "LLVM IR Parsing";
+static const char *TimeIRParsingName = "Parse IR";
+
+
 Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
                               LLVMContext &Context) {
   if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
@@ -50,6 +59,8 @@ Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err
 
 Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err,
                       LLVMContext &Context) {
+  NamedRegionTimer T(TimeIRParsingName, TimeIRParsingGroupName,
+                     TimePassesIsEnabled);
   if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
                 (const unsigned char *)Buffer->getBufferEnd())) {
     std::string ErrMsg;