Add a basic-block autovectorization pass.

This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure.
Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149468 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 38 insertions, 1 deletions

diff --git a/include/llvm/InitializePasses.h b/include/llvm/InitializePasses.h
index 6cc3f19..ac129c7 100644
--- a/include/llvm/InitializePasses.h
+++ b/include/llvm/InitializePasses.h
@@ -31,6 +31,10 @@ void initializeTransformUtils(PassRegistry&);
 /// ScalarOpts library.
 void initializeScalarOpts(PassRegistry&);
 
+/// initializeVectorization - Initialize all passes linked into the
+/// Vectorize library.
+void initializeVectorization(PassRegistry&);
+
 /// initializeInstCombine - Initialize all passes linked into the
 /// ScalarOpts library.
 void initializeInstCombine(PassRegistry&);
@@ -236,7 +240,7 @@ void initializeVirtRegMapPass(PassRegistry&);
 void initializeInstSimplifierPass(PassRegistry&);
 void initializeUnpackMachineBundlesPass(PassRegistry&);
 void initializeFinalizeMachineBundlesPass(PassRegistry&);
-
+void initializeBBVectorizePass(PassRegistry&);
 }
 
 #endif
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 537fab7..2258d45 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -31,6 +31,7 @@
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/Vectorize.h"
 #include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
 #include <cstdlib>
 
@@ -151,6 +152,7 @@ namespace {
       (void) llvm::createCorrelatedValuePropagationPass();
       (void) llvm::createMemDepPrinter();
       (void) llvm::createInstructionSimplifierPass();
+      (void) llvm::createBBVectorizePass();
 
       (void)new llvm::IntervalPartition();
       (void)new llvm::FindUsedTypes();
diff --git a/include/llvm/Transforms/IPO/PassManagerBuilder.h b/include/llvm/Transforms/IPO/PassManagerBuilder.h
index b4ba184..a1b4f5c 100644
--- a/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -99,6 +99,7 @@ public:
   bool DisableSimplifyLibCalls;
   bool DisableUnitAtATime;
   bool DisableUnrollLoops;
+  bool Vectorize;
 
 private:
   /// ExtensionList - This is list of all of the extensions that are registered.
diff --git a/include/llvm/Transforms/Vectorize.h b/include/llvm/Transforms/Vectorize.h
new file mode 100644
index 0000000..dfc099d
--- /dev/null
+++ b/include/llvm/Transforms/Vectorize.h
@@ -0,0 +1,30 @@
+//===-- Vectorize.h - Vectorization Transformations -------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This header file defines prototypes for accessor functions that expose passes
+// in the Vectorize transformations library.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_VECTORIZE_H
+#define LLVM_TRANSFORMS_VECTORIZE_H
+
+namespace llvm {
+
+class BasicBlockPass;
+
+//===----------------------------------------------------------------------===//
+//
+// BBVectorize - A basic-block vectorization pass.
+//
+BasicBlockPass *createBBVectorizePass();
+
+} // End llvm namespace
+
+#endif