docs: Fix title underline warnings

Building Vectorizers.rst produces a few warnings of the form:

   WARNING: Title underline too short.

Fixed by adding the extra needed dashes under the title.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170582 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/Vectorizers.rst b/docs/Vectorizers.rst
index f585c630f94ef5bcde4747850ecbf4ab9bb24585..5324ea025ce9a643d760a29833baa1ef2347d972 100644 (file)
--- a/docs/Vectorizers.rst
+++ b/docs/Vectorizers.rst
@@ -164,7 +164,7 @@ memory accesses.
   }
 
 Vectorization of Mixed Types
---------------------------
+----------------------------
 
 The Loop Vectorizer can vectorize programs with mixed types. The Vectorizer
 cost model can estimate the cost of the type conversion and decide if
@@ -178,7 +178,7 @@ vectorization is profitable.
   }
 
 Vectorization of function calls
---------------------------
+-------------------------------
 
 The Loop Vectorize can vectorize intrinsic math functions.
 See the table below for a list of these functions.