Revert r134946

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135004 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 8 deletions

diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index bc611176ce..199ce251a1 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -1235,13 +1235,6 @@ void X86_64ABIInfo::classify(QualType Ty, uint64_t OffsetBase,
 
     const RecordDecl *RD = RT->getDecl();
 
-    // The only case a 256-bit wide vector could be used is when the struct
-    // contains a single 256-bit element. Since Lo and Hi logic isn't extended
-    // to work for sizes wider than 128, early check and fallback to memory.
-    RecordDecl::field_iterator FirstElt = RD->field_begin();
-    if (Size > 128 && getContext().getTypeSize(FirstElt->getType()) != 256)
-      return;
-
     // Assume variable sized types are passed in memory.
     if (RD->hasFlexibleArrayMember())
       return;
@@ -1277,7 +1270,7 @@ void X86_64ABIInfo::classify(QualType Ty, uint64_t OffsetBase,
 
     // Classify the fields one at a time, merging the results.
     unsigned idx = 0;
-    for (RecordDecl::field_iterator i = FirstElt, e = RD->field_end();
+    for (RecordDecl::field_iterator i = RD->field_begin(), e = RD->field_end();
            i != e; ++i, ++idx) {
       uint64_t Offset = OffsetBase + Layout.getFieldOffset(idx);
       bool BitField = i->isBitField();