vendor/llvm/llvm-trunk-r375505vendor/llvm

1 files changed, 21 insertions, 3 deletions

diff --git a/lib/Target/ARM/ARMTargetTransformInfo.h b/lib/Target/ARM/ARMTargetTransformInfo.h
index 52f6ea4a6e2f..a878fdcfe3c7 100644
--- a/lib/Target/ARM/ARMTargetTransformInfo.h
+++ b/lib/Target/ARM/ARMTargetTransformInfo.h
@@ -101,9 +101,9 @@ public:
 
   /// Floating-point computation using ARMv8 AArch32 Advanced
   /// SIMD instructions remains unchanged from ARMv7. Only AArch64 SIMD
-  /// is IEEE-754 compliant, but it's not covered in this target.
+  /// and Arm MVE are IEEE-754 compliant.
   bool isFPVectorizationPotentiallyUnsafe() {
-    return !ST->isTargetDarwin();
+    return !ST->isTargetDarwin() && !ST->hasMVEFloatOps();
   }
 
   /// \name Scalar TTI Implementations
@@ -122,10 +122,13 @@ public:
   /// \name Vector TTI Implementations
   /// @{
 
-  unsigned getNumberOfRegisters(bool Vector) {
+  unsigned getNumberOfRegisters(unsigned ClassID) const {
+    bool Vector = (ClassID == 1);
     if (Vector) {
       if (ST->hasNEON())
         return 16;
+      if (ST->hasMVEIntegerOps())
+        return 8;
       return 0;
     }
 
@@ -138,6 +141,8 @@ public:
     if (Vector) {
       if (ST->hasNEON())
         return 128;
+      if (ST->hasMVEIntegerOps())
+        return 128;
       return 0;
     }
 
@@ -148,10 +153,23 @@ public:
     return ST->getMaxInterleaveFactor();
   }
 
+  bool isLegalMaskedLoad(Type *DataTy, MaybeAlign Alignment);
+
+  bool isLegalMaskedStore(Type *DataTy, MaybeAlign Alignment) {
+    return isLegalMaskedLoad(DataTy, Alignment);
+  }
+
   int getMemcpyCost(const Instruction *I);
 
   int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp);
 
+  bool useReductionIntrinsic(unsigned Opcode, Type *Ty,
+                             TTI::ReductionFlags Flags) const;
+
+  bool shouldExpandReduction(const IntrinsicInst *II) const {
+    return false;
+  }
+
   int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
                        const Instruction *I = nullptr);