From: Nadav Rotem <nrotem@apple.com>
Date: Mon, 29 Oct 2012 05:28:35 +0000 (+0000)
Subject: Calling TLI->getNumRegisters creates a circular dependency when building LLVM using... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e49816076ce4214f593212a7328de664619de54b;p=oota-llvm.git

Calling TLI->getNumRegisters creates a circular dependency when building LLVM using cmake.

Get the number of registers by calling getTypeLegalizationCost.

PR14199.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166911 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index d3ab1059882..d3823a65fe3 100644
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -270,7 +270,7 @@ unsigned VectorTargetTransformImpl::getCmpSelInstrCost(unsigned Opcode,
     return getScalarizationOverhead(ValTy, true, false) + Num * Cost;
   }
 
-  // Unknown scalar opcode. 
+  // Unknown scalar opcode.
   return 1;
 }
 
@@ -300,6 +300,8 @@ VectorTargetTransformImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
 
 unsigned
 VectorTargetTransformImpl::getNumberOfParts(Type *Tp) const {
-  return TLI->getNumRegisters(Tp->getContext(), TLI->getValueType(Tp));
+  std::pair<unsigned, EVT> LT =
+    getTypeLegalizationCost(Tp->getContext(), TLI->getValueType(Tp));
+  return LT.first;
 }