summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/llvm/Target/TargetTransformImpl.h2
-rw-r--r--include/llvm/TargetTransformInfo.h10
-rw-r--r--lib/Target/TargetTransformImpl.cpp3
3 files changed, 10 insertions, 5 deletions
diff --git a/include/llvm/Target/TargetTransformImpl.h b/include/llvm/Target/TargetTransformImpl.h
index 59b7ffc826..f2229748be 100644
--- a/include/llvm/Target/TargetTransformImpl.h
+++ b/include/llvm/Target/TargetTransformImpl.h
@@ -71,7 +71,7 @@ public:
virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const;
- virtual unsigned getBroadcastCost(Type *Tp) const;
+ virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp) const;
virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
Type *Src) const;
diff --git a/include/llvm/TargetTransformInfo.h b/include/llvm/TargetTransformInfo.h
index 718d4bcfea..1a5dda3bb2 100644
--- a/include/llvm/TargetTransformInfo.h
+++ b/include/llvm/TargetTransformInfo.h
@@ -157,14 +157,18 @@ class VectorTargetTransformInfo {
public:
virtual ~VectorTargetTransformInfo() {}
+ enum ShuffleKind {
+ Broadcast, // Broadcast element 0 to all other elements.
+ Reverse // Reverse the order of the vector.
+ };
+
/// Returns the expected cost of arithmetic ops, such as mul, xor, fsub, etc.
virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty) const {
return 1;
}
- /// Returns the cost of a vector broadcast of a scalar at place zero to a
- /// vector of type 'Tp'.
- virtual unsigned getBroadcastCost(Type *Tp) const {
+ /// Returns the cost of a shuffle instruction of kind Kind and of type Tp.
+ virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp) const {
return 1;
}
diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index 3d640dc023..a320e16c98 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -208,7 +208,8 @@ unsigned VectorTargetTransformImpl::getArithmeticInstrCost(unsigned Opcode,
return 1;
}
-unsigned VectorTargetTransformImpl::getBroadcastCost(Type *Tp) const {
+unsigned VectorTargetTransformImpl::getShuffleCost(ShuffleKind Kind,
+ Type *Tp) const {
return 1;
}