CostModel: initial checkin for code that estimates the cost of special shuffles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171180 91177308-0d34-0410-b5e6-96231b3b80d8
2025-10-25 10:27:04 +00:00 · 2012-12-28 08:19:03 +00:00
parent 40ef8b7548
commit ae34b4280e
2 changed files with 18 additions and 0 deletions
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -973,6 +973,8 @@ namespace llvm {

    virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
                                      Type *Src) const;
+
+    unsigned getShuffleCost(ShuffleKind Kind, Type *Tp, int Index) const;
  };
 }