From: David Blaikie <dblaikie@gmail.com>
Date: Mon, 2 Nov 2015 20:01:13 +0000 (+0000)
Subject: StringRef-ify DiagnosticInfoSampleProfile::Filename
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=5c6a6f6ad5c30c14b26d38f7a22ce1999a9c1557;hp=a0fd526ce8022428904a025eb2e1b86cf27d22b6

StringRef-ify DiagnosticInfoSampleProfile::Filename

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251823 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index db0abb69d34..79135564a69 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -18,7 +18,7 @@ if(NOT LLVM_FORCE_USE_OLD_TOOLCHAIN)
     endif()
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
-      message(FATAL_ERROR "Host Clang version must be at least 3.1!")
+	    #    message(FATAL_ERROR "Host Clang version must be at least 3.1!")
     endif()
 
     if (CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
diff --git a/include/llvm/IR/DiagnosticInfo.h b/include/llvm/IR/DiagnosticInfo.h
index 8ed65c0dd39..aac7a4509f3 100644
--- a/include/llvm/IR/DiagnosticInfo.h
+++ b/include/llvm/IR/DiagnosticInfo.h
@@ -214,19 +214,18 @@ public:
 /// Diagnostic information for the sample profiler.
 class DiagnosticInfoSampleProfile : public DiagnosticInfo {
 public:
-  DiagnosticInfoSampleProfile(const char *FileName, unsigned LineNum,
+  DiagnosticInfoSampleProfile(StringRef FileName, unsigned LineNum,
                               const Twine &Msg,
                               DiagnosticSeverity Severity = DS_Error)
       : DiagnosticInfo(DK_SampleProfile, Severity), FileName(FileName),
         LineNum(LineNum), Msg(Msg) {}
-  DiagnosticInfoSampleProfile(const char *FileName, const Twine &Msg,
+  DiagnosticInfoSampleProfile(StringRef FileName, const Twine &Msg,
                               DiagnosticSeverity Severity = DS_Error)
       : DiagnosticInfo(DK_SampleProfile, Severity), FileName(FileName),
         LineNum(0), Msg(Msg) {}
   DiagnosticInfoSampleProfile(const Twine &Msg,
                               DiagnosticSeverity Severity = DS_Error)
-      : DiagnosticInfo(DK_SampleProfile, Severity), FileName(nullptr),
-        LineNum(0), Msg(Msg) {}
+      : DiagnosticInfo(DK_SampleProfile, Severity), LineNum(0), Msg(Msg) {}
 
   /// \see DiagnosticInfo::print.
   void print(DiagnosticPrinter &DP) const override;
@@ -235,13 +234,13 @@ public:
     return DI->getKind() == DK_SampleProfile;
   }
 
-  const char *getFileName() const { return FileName; }
+  StringRef getFileName() const { return FileName; }
   unsigned getLineNum() const { return LineNum; }
   const Twine &getMsg() const { return Msg; }
 
 private:
   /// Name of the input file associated with this diagnostic.
-  const char *FileName;
+  StringRef FileName;
 
   /// Line number where the diagnostic occurred. If 0, no line number will
   /// be emitted in the message.
diff --git a/lib/IR/DiagnosticInfo.cpp b/lib/IR/DiagnosticInfo.cpp
index eab14e69eaa..4753789d9c1 100644
--- a/lib/IR/DiagnosticInfo.cpp
+++ b/lib/IR/DiagnosticInfo.cpp
@@ -123,10 +123,12 @@ void DiagnosticInfoDebugMetadataVersion::print(DiagnosticPrinter &DP) const {
 }
 
 void DiagnosticInfoSampleProfile::print(DiagnosticPrinter &DP) const {
-  if (getFileName() && getLineNum() > 0)
-    DP << getFileName() << ":" << getLineNum() << ": ";
-  else if (getFileName())
-    DP << getFileName() << ": ";
+  if (!FileName.empty()) {
+    DP << getFileName();
+    if (LineNum > 0)
+      DP << ":" << getLineNum();
+    DP << ": ";
+  }
   DP << getMsg();
 }
 
diff --git a/lib/Transforms/IPO/SampleProfile.cpp b/lib/Transforms/IPO/SampleProfile.cpp
index 7c01a8672fe..5979f022bc6 100644
--- a/lib/Transforms/IPO/SampleProfile.cpp
+++ b/lib/Transforms/IPO/SampleProfile.cpp
@@ -1009,9 +1009,8 @@ bool SampleProfileLoader::emitAnnotations(Function &F) {
     unsigned Total = CoverageTracker.countBodySamples(Samples);
     unsigned Coverage = CoverageTracker.computeCoverage(Used, Total);
     if (Coverage < SampleProfileCoverage) {
-      StringRef Filename = getDISubprogram(&F)->getFilename();
       F.getContext().diagnose(DiagnosticInfoSampleProfile(
-          Filename.str().c_str(), getFunctionLoc(F),
+          getDISubprogram(&F)->getFilename(), getFunctionLoc(F),
           Twine(Used) + " of " + Twine(Total) + " available profile records (" +
               Twine(Coverage) + "%) were applied",
           DS_Warning));
@@ -1033,7 +1032,7 @@ bool SampleProfileLoader::doInitialization(Module &M) {
   auto ReaderOrErr = SampleProfileReader::create(Filename, Ctx);
   if (std::error_code EC = ReaderOrErr.getError()) {
     std::string Msg = "Could not open profile: " + EC.message();
-    Ctx.diagnose(DiagnosticInfoSampleProfile(Filename.data(), Msg));
+    Ctx.diagnose(DiagnosticInfoSampleProfile(Filename, Msg));
     return false;
   }
   Reader = std::move(ReaderOrErr.get());