[llvm] r278343 - [SLP] Make RecursionMaxDepth a command line option (NFC)

[Matthew Simpson via llvm-commits]

Author: mssimpso
Date: Thu Aug 11 10:28:45 2016
New Revision: 278343

URL: http://llvm.org/viewvc/llvm-project?rev=278343&view=rev
Log:
[SLP] Make RecursionMaxDepth a command line option (NFC)

Modified:
    llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp

Modified: llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp?rev=278343&r1=278342&r2=278343&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp (original)
+++ llvm/trunk/lib/Transforms/Vectorize/SLPVectorizer.cpp Thu Aug 11 10:28:45 2016
@@ -82,8 +82,9 @@ static cl::opt<int> MinVectorRegSizeOpti
     "slp-min-reg-size", cl::init(128), cl::Hidden,
     cl::desc("Attempt to vectorize for this register size in bits"));
 
-// FIXME: Set this via cl::opt to allow overriding.
-static const unsigned RecursionMaxDepth = 12;
+static cl::opt<unsigned> RecursionMaxDepth(
+    "slp-recursion-max-depth", cl::init(12), cl::Hidden,
+    cl::desc("Limit the recursion depth when building a vectorizable tree"));
 
 // Limit the number of alias checks. The limit is chosen so that
 // it has no negative effect on the llvm benchmarks.