Make default value for disable-licm-promotion in licm explicit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295767 91177308-0d34-0410-b5e6-96231b3b80d8
liuchyi · Feb 21, 2017 · 97a57b3 · 97a57b3
1 parent 13f0c80
commit 97a57b3
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
@@ -77,8 +77,9 @@ STATISTIC(NumMovedLoads, "Number of load insts hoisted or sunk");
 STATISTIC(NumMovedCalls, "Number of call insts hoisted or sunk");
 STATISTIC(NumPromoted, "Number of memory locations promoted to registers");
 
+/// Memory promotion is enabled by default.
 static cl::opt<bool>
-    DisablePromotion("disable-licm-promotion", cl::Hidden,
+    DisablePromotion("disable-licm-promotion", cl::Hidden, cl::init(false),
                      cl::desc("Disable memory promotion in LICM pass"));
 
 static cl::opt<uint32_t> MaxNumUsesTraversed(