[llvm] r309344 - Increase the ImportHotMultiplier to 10.0

[Dehao Chen via llvm-commits]

Author: dehao
Date: Thu Jul 27 18:02:34 2017
New Revision: 309344

URL: http://llvm.org/viewvc/llvm-project?rev=309344&view=rev
Log:
Increase the ImportHotMultiplier to 10.0

Summary: The original 3.0 hot mupltiplier is too small, and would prevent hot callsites from being inline. This patch increases the hot multilier to 10.0

Reviewers: davidxl, tejohnson

Reviewed By: tejohnson

Subscribers: llvm-commits, sanjoy

Differential Revision: https://reviews.llvm.org/D35969

Modified:
    llvm/trunk/lib/Transforms/IPO/FunctionImport.cpp

Modified: llvm/trunk/lib/Transforms/IPO/FunctionImport.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/FunctionImport.cpp?rev=309344&r1=309343&r2=309344&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/FunctionImport.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/FunctionImport.cpp Thu Jul 27 18:02:34 2017
@@ -61,7 +61,7 @@ static cl::opt<float> ImportHotInstrFact
              "before processing newly imported functions"));
 
 static cl::opt<float> ImportHotMultiplier(
-    "import-hot-multiplier", cl::init(3.0), cl::Hidden, cl::value_desc("x"),
+    "import-hot-multiplier", cl::init(10.0), cl::Hidden, cl::value_desc("x"),
     cl::desc("Multiply the `import-instr-limit` threshold for hot callsites"));
 
 static cl::opt<float> ImportCriticalMultiplier(