From: Nadav Rotem <nrotem@apple.com>
Date: Fri, 4 Jan 2013 18:40:39 +0000 (+0000)
Subject: Change the default number of registers to prevent unrolling on targets that dont... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=5d592d202a4eaa6cc71b8f9a655a89446b2a2ee6;p=oota-llvm.git

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
---

diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index 7d663f57f98..08795fcaf1f 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,