Add the function "vectorizeBasicBlock" which allow users vectorize a

 BasicBlock in other passes, e.g. we can call vectorizeBasicBlock in the
 loop unroll pass right after the loop is unrolled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154089 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 1 deletions

diff --git a/include/llvm/Transforms/Vectorize.h b/include/llvm/Transforms/Vectorize.h
index dfc099ddb9..ad06937caa 100644
--- a/include/llvm/Transforms/Vectorize.h
+++ b/include/llvm/Transforms/Vectorize.h
@@ -16,7 +16,7 @@
 #define LLVM_TRANSFORMS_VECTORIZE_H
 
 namespace llvm {
-
+class BasicBlock;
 class BasicBlockPass;
 
 //===----------------------------------------------------------------------===//
@@ -25,6 +25,18 @@ class BasicBlockPass;
 //
 BasicBlockPass *createBBVectorizePass();
 
+//===----------------------------------------------------------------------===//
+/// @brief Vectorize the BasicBlock.
+///
+/// @param BB The BasicBlock to be vectorized
+/// @param P  The current running pass, should require AliasAnalysis and
+///           ScalarEvolution. After the vectorization, AliasAnalysis,
+///           ScalarEvolution and CFG are preserved.
+///
+/// @return True if the BB is changed, false otherwise.
+///
+bool vectorizeBasicBlock(Pass *P, BasicBlock &BB);
+
 } // End llvm namespace
 
 #endif