ARM: remove unnecessary state-tracking during frame lowering.

[oota-llvm.git] / lib / IRReader / IRReader.cpp

diff --git a/lib/IRReader/IRReader.cpp b/lib/IRReader/IRReader.cpp
index fb87cbd8bf878045ddf764f01c063fe4d76de65f..656fe183e8dbee6728117f72cdb2b127f2552d87 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 *const TimeIRParsingGroupName = "LLVM IR Parsing";
+static const char *const TimeIRParsingName = "Parse IR";
+
+
 Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
                               LLVMContext &Context) {
   if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
@@ -39,7 +48,7 @@ Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
 Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err,
                                   LLVMContext &Context) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + ec.message());
     return 0;
@@ -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;
@@ -68,7 +79,7 @@ Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err,
 Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
                           LLVMContext &Context) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+  if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
     Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
                        "Could not open input file: " + ec.message());
     return 0;