1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.h b/llvm/lib/Target/X86/X86Subtarget.h
index 47b51376e5e..b1103f823e7 100644
--- a/llvm/lib/Target/X86/X86Subtarget.h
+++ b/llvm/lib/Target/X86/X86Subtarget.h
@@ -60,8 +60,7 @@ public:
     IntelSLM,
     IntelGLM,
     IntelGLP,
-    IntelTRM,
-    IntelKNL,
+    IntelTRM
   };
 
 protected:
@@ -224,6 +223,9 @@ protected:
   //  PMULUDQ.
   bool IsPMULLDSlow = false;
 
+  /// True if the PMADDWD instruction is slow compared to PMULLD.
+  bool IsPMADDWDSlow = false;
+
   /// True if unaligned memory accesses of 16-bytes are slow.
   bool IsUAMem16Slow = false;
 
@@ -613,6 +615,7 @@ public:
   bool hasPTWRITE() const { return HasPTWRITE; }
   bool isSHLDSlow() const { return IsSHLDSlow; }
   bool isPMULLDSlow() const { return IsPMULLDSlow; }
+  bool isPMADDWDSlow() const { return IsPMADDWDSlow; }
   bool isUnalignedMem16Slow() const { return IsUAMem16Slow; }
   bool isUnalignedMem32Slow() const { return IsUAMem32Slow; }
   int getGatherOverhead() const { return GatherOverhead; }