Implement a basic VectorTargetTransformInfo interface to be used by the loop and bb vectorizers for modeling the cost of instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166593 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index 1cb5edab9d..cee736bd71 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -12,6 +12,12 @@
 
 using namespace llvm;
 
+//===----------------------------------------------------------------------===//
+//
+// Calls used by scalar transformations.
+//
+//===----------------------------------------------------------------------===//
+
 bool ScalarTargetTransformImpl::isLegalAddImmediate(int64_t imm) const {
   return TLI->isLegalAddImmediate(imm);
 }
@@ -41,3 +47,27 @@ unsigned ScalarTargetTransformImpl::getJumpBufAlignment() const {
 unsigned ScalarTargetTransformImpl::getJumpBufSize() const {
   return TLI->getJumpBufSize();
 }
+
+//===----------------------------------------------------------------------===//
+//
+// Calls used by the vectorizers.
+//
+//===----------------------------------------------------------------------===//
+
+unsigned
+VectorTargetTransformImpl::getInstrCost(unsigned Opcode, Type *Ty1,
+                                        Type *Ty2) const {
+  return 1;
+}
+
+unsigned
+VectorTargetTransformImpl::getBroadcastCost(Type *Tp) const {
+  return 1;
+}
+
+unsigned
+VectorTargetTransformImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
+                                           unsigned Alignment,
+                                           unsigned AddressSpace) const {
+  return 1;
+}