[llvm] r317714 - [ThinLTO] Ensure sanitizer passes are run

[Teresa Johnson via llvm-commits]

Author: tejohnson
Date: Wed Nov  8 11:45:52 2017
New Revision: 317714

URL: http://llvm.org/viewvc/llvm-project?rev=317714&view=rev
Log:
[ThinLTO] Ensure sanitizer passes are run

Summary:
In ThinLTO compilation, we exit populateModulePassManager early and
were not adding PM extension passes meant to run at the end of the
pipeline. This includes sanitizer passes. Add these passes before
the early exit.

A test will be added to projects/compiler-rt.

Reviewers: pcc

Subscribers: mehdi_amini, inglorion, llvm-commits

Differential Revision: https://reviews.llvm.org/D39565

Modified:
    llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp

Modified: llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp?rev=317714&r1=317713&r2=317714&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/PassManagerBuilder.cpp Wed Nov  8 11:45:52 2017
@@ -548,6 +548,9 @@ void PassManagerBuilder::populateModuleP
   // unrolling/vectorization/... now. We'll first run the inliner + CGSCC passes
   // during ThinLTO and perform the rest of the optimizations afterward.
   if (PrepareForThinLTO) {
+    // Ensure we perform any last passes, but do so before renaming anonymous
+    // globals in case the passes add any.
+    addExtensionsToPM(EP_OptimizerLast, MPM);
     // Rename anon globals to be able to export them in the summary.
     MPM.add(createNameAnonGlobalPass());
     return;