[ARM] Add support for MVE vmaxv and vminv

This patch adds vecreduce_smax, vecredude_umax, vecreduce_smin, vecreduce_umin and selection for vmaxv and minv.

Differential Revision: https://reviews.llvm.org/D66413

llvm-svn: 371827

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
index 3dbf5b9efc4..e74b2b1a2ba 100644
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -1059,11 +1059,11 @@ bool ARMTTIImpl::useReductionIntrinsic(unsigned Opcode, Type *Ty,
   case Instruction::Or:
   case Instruction::Xor:
   case Instruction::Mul:
-  case Instruction::ICmp:
   case Instruction::FCmp:
     return false;
+  case Instruction::ICmp:
   case Instruction::Add:
-    return ScalarBits * Ty->getVectorNumElements() == 128;
+    return ScalarBits < 64 && ScalarBits * Ty->getVectorNumElements() == 128;
   default:
     llvm_unreachable("Unhandled reduction opcode");
   }