[PATCH] D17272: Teach clang to use the ThinLTO pipeline

[Mehdi AMINI via cfe-commits]

joker.eph created this revision.
joker.eph added a reviewer: tejohnson.
joker.eph added a subscriber: cfe-commits.
Herald added a subscriber: joker.eph.

Use the new pipeline implemented in D17115

http://reviews.llvm.org/D17272

Files:
  lib/CodeGen/BackendUtil.cpp

Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -325,6 +325,7 @@
   PMBuilder.DisableUnitAtATime = !CodeGenOpts.UnitAtATime;
   PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops;
   PMBuilder.MergeFunctions = CodeGenOpts.MergeFunctions;
+  PMBuilder.PrepareForThinLTO = CodeGenOpts.EmitFunctionSummary;
   PMBuilder.PrepareForLTO = CodeGenOpts.PrepareForLTO;
   PMBuilder.RerollLoops = CodeGenOpts.RerollLoops;
 
@@ -334,7 +335,7 @@
   // pipeline and pass down the in-memory function index.
   if (FunctionIndex) {
     PMBuilder.FunctionIndex = FunctionIndex;
-    PMBuilder.populateLTOPassManager(*MPM);
+    PMBuilder.populateThinLTOPassManager(*MPM);
     return;
   }
 


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