vendor/llvm/llvm-trunk-r301441

1 files changed, 5 insertions, 6 deletions

diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp
index 27630a3055cb3..e579922bb69e7 100644
--- a/lib/CodeGen/TargetLoweringBase.cpp
+++ b/lib/CodeGen/TargetLoweringBase.cpp
@@ -1184,12 +1184,11 @@ static unsigned getVectorTypeBreakdownMVT(MVT VT, MVT &IntermediateVT,
 
 /// isLegalRC - Return true if the value types that can be represented by the
 /// specified register class are all legal.
-bool TargetLoweringBase::isLegalRC(const TargetRegisterClass *RC) const {
-  for (TargetRegisterClass::vt_iterator I = RC->vt_begin(), E = RC->vt_end();
-       I != E; ++I) {
+bool TargetLoweringBase::isLegalRC(const TargetRegisterInfo &TRI,
+                                   const TargetRegisterClass &RC) const {
+  for (auto I = TRI.legalclasstypes_begin(RC); *I != MVT::Other; ++I)
     if (isTypeLegal(*I))
       return true;
-  }
   return false;
 }
 
@@ -1299,9 +1298,9 @@ TargetLoweringBase::findRepresentativeClass(const TargetRegisterInfo *TRI,
   for (int i = SuperRegRC.find_first(); i >= 0; i = SuperRegRC.find_next(i)) {
     const TargetRegisterClass *SuperRC = TRI->getRegClass(i);
     // We want the largest possible spill size.
-    if (SuperRC->getSize() <= BestRC->getSize())
+    if (TRI->getSpillSize(*SuperRC) <= TRI->getSpillSize(*BestRC))
       continue;
-    if (!isLegalRC(SuperRC))
+    if (!isLegalRC(*TRI, *SuperRC))
       continue;
     BestRC = SuperRC;
   }