From 58fcc9bdce5cbed626f7dc01cabcf3750c6eeff2 Mon Sep 17 00:00:00 2001
From: Xinliang David Li <davidxl@google.com>
Date: Thu, 2 Feb 2017 21:29:17 +0000
Subject: [PGO] internal option cleanups

1. Added comments for options
2. Added missing option cl::desc field
3. Uniified function filter option for graph viewing.
   Now PGO count/raw-counts share the same
   filter option: -view-bfi-func-name=.

llvm-svn: 293938
---
 llvm/lib/CodeGen/MachineBlockPlacement.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')

diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 8128efbaf2d..024d41fbba8 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -160,7 +160,13 @@ static cl::opt<unsigned> TailDupPlacementPenalty(
 extern cl::opt<unsigned> StaticLikelyProb;
 extern cl::opt<unsigned> ProfileLikelyProb;
 
+// Internal option used to control BFI display only after MBP pass.
+// Defined in CodeGen/MachineBlockFrequencyInfo.cpp:
+// -view-block-layout-with-bfi=
 extern cl::opt<GVDAGType> ViewBlockLayoutWithBFI;
+
+// Command line option to specify the name of the function for CFG dump
+// Defined in Analysis/BlockFrequencyInfo.cpp:  -view-bfi-func-name=
 extern cl::opt<std::string> ViewBlockFreqFuncName;
 
 namespace {
-- 
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