2 files changed, 12 insertions, 0 deletions
diff --git a/llvm/include/llvm/Intrinsics.td b/llvm/include/llvm/Intrinsics.td
index 01d2cca47a6..e2be4c4f6ab 100644
--- a/llvm/include/llvm/Intrinsics.td
+++ b/llvm/include/llvm/Intrinsics.td
@@ -266,6 +266,10 @@ let Properties = [IntrNoMem] in {
   def int_fma  : Intrinsic<[llvm_anyfloat_ty],
                          [LLVMMatchType<0>, LLVMMatchType<0>,
                           LLVMMatchType<0>]>;
+
+  def int_fmuladd : Intrinsic<[llvm_anyfloat_ty],
+                              [LLVMMatchType<0>, LLVMMatchType<0>,
+                               LLVMMatchType<0>]>;
 }
 
 // NOTE: these are internal interfaces.
diff --git a/llvm/include/llvm/Target/TargetLowering.h b/llvm/include/llvm/Target/TargetLowering.h
index 27447b5df7b..915dd9d4e8e 100644
--- a/llvm/include/llvm/Target/TargetLowering.h
+++ b/llvm/include/llvm/Target/TargetLowering.h
@@ -1657,6 +1657,14 @@ public:
     return false;
   }
 
+  /// isFMAFasterThanMulAndAdd - Return true if an FMA operation is faster than
+  /// a pair of mul and add instructions. fmuladd intrinsics will be expanded to
+  /// FMAs when this method returns true (and FMAs are legal), otherwise fmuladd
+  /// is expanded to mul + add.
+  virtual bool isFMAFasterThanMulAndAdd(EVT) const {
+    return false;
+  }
+
   /// isNarrowingProfitable - Return true if it's profitable to narrow
   /// operations of type VT1 to VT2. e.g. on x86, it's profitable to narrow
   /// from i32 to i8 but not from i32 to i16.