Hack around extracts that aren't easy to process.

llvm-svn: 109043
2010-07-21 22:07:19 +00:00 · 2010-07-21 22:07:19 +00:00 · bebb8c5f86
parent efcc2a0cfb
commit bebb8c5f86
1 changed files with 4 additions and 0 deletions
--- a/llvm/utils/TableGen/FastISelEmitter.cpp
+++ b/llvm/utils/TableGen/FastISelEmitter.cpp
@ -287,6 +287,10 @@ void FastISelMap::CollectPatterns(CodeGenDAGPatterns &CGP) {
      if (!DstRC)
        continue;
    } else {
+      // If this isn't a leaf, then continue since the register classes are
+      // a bit too complicated for now.
+      if (!Dst->getChild(1)->isLeaf()) continue;
+      
      DefInit *SR = dynamic_cast<DefInit*>(Dst->getChild(1)->getLeafValue());
      if (SR)
        SubRegNo = getQualifiedName(SR->getDef());