commit b59c2d9d736b8e5c7b25b8d9aff04437d3d2e17e
author Simon Pilgrim <llvm-dev@redking.me.uk> Thu Aug 10 19:32:35 2017 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Thu Aug 10 19:32:35 2017 +0000
tree a5e16e2f67d087ff720e4208976755c8f1944b5e
parent e9499dd4c72a174c3508a4e88cb9a80416710bd7

[CostModel][X86] Add SSE2 two-src shuffle costs

llvm-svn: 310654

llvm/lib/Target/X86/X86TargetTransformInfo.cpp

diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 03dff0f..ed56e45 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -973,6 +973,8 @@
     { TTI::SK_PermuteTwoSrc,    MVT::v2f64,  1 }, // shufpd
     { TTI::SK_PermuteTwoSrc,    MVT::v2i64,  1 }, // shufpd
     { TTI::SK_PermuteTwoSrc,    MVT::v4i32,  2 }, // 2*{unpck,movsd,pshufd}
+    { TTI::SK_PermuteTwoSrc,    MVT::v8i16,  8 }, // blend+permute
+    { TTI::SK_PermuteTwoSrc,    MVT::v16i8, 13 }, // blend+permute
   };
 
   if (ST->hasSSE2())