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
llvm-svn: 309344
diff --git a/llvm/lib/Transforms/IPO/FunctionImport.cpp b/llvm/lib/Transforms/IPO/FunctionImport.cpp
index de3756e..dfb7a84 100644
--- a/llvm/lib/Transforms/IPO/FunctionImport.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionImport.cpp
@@ -61,7 +61,7 @@
"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(