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

[Sean Silva via llvm-commits]

silvas added inline comments.

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Comment at: lib/Transforms/IPO/PassManagerBuilder.cpp:204
@@ +203,3 @@
+void PassManagerBuilder::addPGOInstrPasses(legacy::PassManagerBase &MPM) {
+  if (PGOInstrGen.empty() && PGOInstrUse.empty())
+    return;
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One tiny nit I just saw: this check is redundant. The function does nothing if they are both empty because they are checked below individually.


http://reviews.llvm.org/D15828