1 files changed, 25 insertions, 0 deletions
diff --git a/lib/Analysis/TargetTransformInfo.cpp b/lib/Analysis/TargetTransformInfo.cpp
index f938a9a52065..94bbc58541a7 100644
--- a/lib/Analysis/TargetTransformInfo.cpp
+++ b/lib/Analysis/TargetTransformInfo.cpp
@@ -16,6 +16,7 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Operator.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <utility>
 
@@ -23,6 +24,11 @@ using namespace llvm;
 
 #define DEBUG_TYPE "tti"
 
+static cl::opt<bool> UseWideMemcpyLoopLowering(
+    "use-wide-memcpy-loop-lowering", cl::init(false),
+    cl::desc("Enables the new wide memcpy loop lowering in Transforms/Utils."),
+    cl::Hidden);
+
 namespace {
 /// \brief No-op implementation of the TTI interface using the utility base
 /// classes.
@@ -482,6 +488,25 @@ Value *TargetTransformInfo::getOrCreateResultFromMemIntrinsic(
   return TTIImpl->getOrCreateResultFromMemIntrinsic(Inst, ExpectedType);
 }
 
+Type *TargetTransformInfo::getMemcpyLoopLoweringType(LLVMContext &Context,
+                                                     Value *Length,
+                                                     unsigned SrcAlign,
+                                                     unsigned DestAlign) const {
+  return TTIImpl->getMemcpyLoopLoweringType(Context, Length, SrcAlign,
+                                            DestAlign);
+}
+
+void TargetTransformInfo::getMemcpyLoopResidualLoweringType(
+    SmallVectorImpl<Type *> &OpsOut, LLVMContext &Context,
+    unsigned RemainingBytes, unsigned SrcAlign, unsigned DestAlign) const {
+  TTIImpl->getMemcpyLoopResidualLoweringType(OpsOut, Context, RemainingBytes,
+                                             SrcAlign, DestAlign);
+}
+
+bool TargetTransformInfo::useWideIRMemcpyLoopLowering() const {
+  return UseWideMemcpyLoopLowering;
+}
+
 bool TargetTransformInfo::areInlineCompatible(const Function *Caller,
                                               const Function *Callee) const {
   return TTIImpl->areInlineCompatible(Caller, Callee);