Index: lib/CodeGen/CodeGenAction.cpp
===================================================================
--- lib/CodeGen/CodeGenAction.cpp
+++ lib/CodeGen/CodeGenAction.cpp
@@ -126,7 +126,6 @@
                                 CodeGenOpts, C, CoverageInfo)),
           LinkModules(std::move(LinkModules)) {
       FrontendTimesIsEnabled = TimePasses;
-      llvm::TimePassesIsEnabled = TimePasses;
     }
     llvm::Module *getModule() const { return Gen->GetModule(); }
     std::unique_ptr<llvm::Module> takeModule() {
Index: lib/Frontend/CompilerInstance.cpp
===================================================================
--- lib/Frontend/CompilerInstance.cpp
+++ lib/Frontend/CompilerInstance.cpp
@@ -941,8 +941,10 @@
        << " based upon " << BACKEND_PACKAGE_STRING
        << " default target " << llvm::sys::getDefaultTargetTriple() << "\n";
 
-  if (getFrontendOpts().ShowTimers)
+  if (getFrontendOpts().ShowTimers) {
+    llvm::TimePassesIsEnabled = true;
     createFrontendTimer();
+  }
 
   if (getFrontendOpts().ShowStats || !getFrontendOpts().StatsFile.empty())
     llvm::EnableStatistics(false);
Index: test/Frontend/ftime-report-bitcode.ll
===================================================================
--- /dev/null
+++ test/Frontend/ftime-report-bitcode.ll
@@ -0,0 +1,14 @@
+; RUN: %clang_cc1 -triple x86_64-apple-darwin10 -ftime-report -emit-obj -o /dev/null %s 2>&1 | FileCheck %s
+
+target triple ="x86_64-apple-darwin10"
+
+; Make sure the backend time reports are produced when compiling an IR
+; input
+
+; CHECK: Pass execution timing report
+; CHECK: LLVM IR Parsing
+; CHECK: Clang front-end time report
+
+define i32 @foo() {
+  ret i32 0
+}