[PATCH] D15828: [PGO] Passmanagerbuilder change that enable IR level PGO instrumentation

[David Li via llvm-commits]

davidxl accepted this revision.
davidxl added a comment.

LGTM with the nit.


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Comment at: lib/Transforms/IPO/PassManagerBuilder.cpp:211
@@ +210,3 @@
+    Options.InstrProfileOutput = PGOInstrGen;
+    MPM.add(createInstrProfilingPass(Options));
+  }
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Add a comment : add lowering pass.


http://reviews.llvm.org/D15828