[PGO] Promote indirect calls to conditional direct calls with value-profile

This patch implements the transformation that promotes indirect calls to
conditional direct calls when the indirect-call value profile meta-data is
available.

Differential Revision: http://reviews.llvm.org/D17864

llvm-svn: 267815

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp b/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
index a372757..2d857c6 100644
--- a/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
+++ b/llvm/lib/Transforms/Instrumentation/Instrumentation.cpp
@@ -62,6 +62,7 @@ void llvm::initializeInstrumentation(PassRegistry &Registry) {
   initializeGCOVProfilerPass(Registry);
   initializePGOInstrumentationGenPass(Registry);
   initializePGOInstrumentationUsePass(Registry);
+  initializePGOIndirectCallPromotionPass(Registry);
   initializeInstrProfilingLegacyPassPass(Registry);
   initializeMemorySanitizerPass(Registry);
   initializeThreadSanitizerPass(Registry);