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

llvm-svn: 171489

diff --git a/llvm/lib/Target/TargetTransformImpl.cpp b/llvm/lib/Target/TargetTransformImpl.cpp
index 7d663f5..08795fc 100644 (file)
--- a/llvm/lib/Target/TargetTransformImpl.cpp
+++ b/llvm/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,