From: Matthew Simpson <mssimpso@codeaurora.org>
Date: Thu, 11 Aug 2016 15:28:45 +0000 (+0000)
Subject: [SLP] Make RecursionMaxDepth a command line option (NFC)
X-Git-Tag: llvmorg-4.0.0-rc1~12752
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3f69195b9e43b76a35ae8c8d86cf51ea942a6b0e;p=platform%2Fupstream%2Fllvm.git

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

llvm-svn: 278343
---

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 05ffa06..fb02354 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -82,8 +82,9 @@ static cl::opt<int> MinVectorRegSizeOption(
     "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.