[llvm-commits] [llvm] r56068 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

[Dan Gohman]

Author: djg
Date: Wed Sep 10 16:01:08 2008
New Revision: 56068

URL: http://llvm.org/viewvc/llvm-project?rev=56068&view=rev
Log:
FastISel support for i1 constants.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=56068&r1=56067&r2=56068&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Wed Sep 10 16:01:08 2008
@@ -33,8 +33,16 @@
     return Reg;
 
   MVT::SimpleValueType VT = TLI.getValueType(V->getType()).getSimpleVT();
-  if (!TLI.isTypeLegal(VT))
-    return 0;
+
+  // Ignore illegal types.
+  if (!TLI.isTypeLegal(VT)) {
+    // Promote MVT::i1 to a legal type though, because it's common and easy.
+    if (VT == MVT::i1)
+      VT = TLI.getTypeToTransformTo(VT).getSimpleVT();
+    else
+      return 0;
+  }
+
   if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
     if (CI->getValue().getActiveBits() > 64)
       return TargetMaterializeConstant(CI);