Change the default number of registers to prevent unrolling on targets that dont have this hook.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171489 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index 7d663f57f9..08795fcaf1 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -172,7 +172,7 @@ VectorTargetTransformImpl::getScalarizationOverhead(Type *Ty,
 }
 
 unsigned VectorTargetTransformImpl::getNumberOfRegisters(bool Vector) const {
-  return 8;
+  return 1;
 }
 
 unsigned VectorTargetTransformImpl::getArithmeticInstrCost(unsigned Opcode,