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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178662 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/IR/PassManager.cpp b/lib/IR/PassManager.cpp
index 5a8df703dbefc4d1170a2883aab86650520c00bf..3c968aac164f58a09a83cbba7f56b5288e8102ec 100644 (file)
--- a/lib/IR/PassManager.cpp
+++ b/lib/IR/PassManager.cpp
@@ -1739,10 +1739,8 @@ bool PassManager::run(Module &M) {
 }
 
 //===----------------------------------------------------------------------===//
-// TimingInfo Class - This class is used to calculate information about the
-// amount of time each pass takes to execute.  This only happens with
-// -time-passes is enabled on the command line.
-//
+// TimingInfo implementation
+
 bool llvm::TimePassesIsEnabled = false;
 static cl::opt<bool,true>
 EnableTiming("time-passes", cl::location(TimePassesIsEnabled),

diff --git a/lib/IRReader/IRReader.cpp b/lib/IRReader/IRReader.cpp
index fb87cbd8bf878045ddf764f01c063fe4d76de65f..eeec14e834c1543148b676a5aefc3d124d9b4777 100644 (file)
--- a/lib/IRReader/IRReader.cpp
+++ b/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;