Update GCOVProfiling pass creation for API change in r177002. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177004 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/BackendUtil.cpp

@@ -303,13 +303,18 @@ void EmitAssemblyHelper::CreatePasses(TargetMachine *TM) {
   PassManager *MPM = getPerModulePasses(TM);
 
   if (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes) {
-    MPM->add(createGCOVProfilerPass(CodeGenOpts.EmitGcovNotes,
-                                    CodeGenOpts.EmitGcovArcs,
-                                    CodeGenOpts.CoverageVersion,
-                                    CodeGenOpts.CoverageExtraChecksum,
-                                    CodeGenOpts.DisableRedZone,
-                                    CodeGenOpts.CoverageFunctionNamesInData));
-
+    // Not using 'GCOVOptions::getDefault' allows us to avoid exiting if
+    // LLVM's -default-gcov-version flag is set to something invalid.
+    GCOVOptions Options;
+    Options.EmitNotes = CodeGenOpts.EmitGcovNotes;
+    Options.EmitData = CodeGenOpts.EmitGcovArcs;
+    memcpy(Options.Version, CodeGenOpts.CoverageVersion, 4);
+    Options.UseCfgChecksum = CodeGenOpts.CoverageExtraChecksum;
+    Options.NoRedZone = CodeGenOpts.DisableRedZone;
+    // FIXME: the clang flag name is backwards.
+    Options.FunctionNamesInData =
+        !CodeGenOpts.CoverageFunctionNamesInData;
+    MPM->add(createGCOVProfilerPass(Options));
     if (CodeGenOpts.getDebugInfo() == CodeGenOptions::NoDebugInfo)
       MPM->add(createStripSymbolsPass(true));
   }

lib/Frontend/CompilerInvocation.cpp

@@ -394,10 +394,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
             << Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
             << CoverageVersion;
       } else {
-        Opts.CoverageVersion[0] = CoverageVersion[3];
-        Opts.CoverageVersion[1] = CoverageVersion[2];
-        Opts.CoverageVersion[2] = CoverageVersion[1];
-        Opts.CoverageVersion[3] = CoverageVersion[0];
+        memcpy(Opts.CoverageVersion, CoverageVersion.data(), 4);
       }
     }
   }