[llvm-commits] [llvm] r55431 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

[Dan Gohman]

Author: djg
Date: Wed Aug 27 15:41:38 2008
New Revision: 55431

URL: http://llvm.org/viewvc/llvm-project?rev=55431&view=rev
Log:
Fix FastISel's bitcast code for the case where getRegForValue fails.

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=55431&r1=55430&r2=55431&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Wed Aug 27 15:41:38 2008
@@ -226,7 +226,10 @@
                              DenseMap<const Value*, unsigned> &ValueMap) {
   // If the bitcast doesn't change the type, just use the operand value.
   if (I->getType() == I->getOperand(0)->getType()) {
-    ValueMap[I] = getRegForValue(I->getOperand(0), ValueMap);
+    unsigned Reg = getRegForValue(I->getOperand(0), ValueMap);
+    if (Reg == 0)
+      return false;
+    ValueMap[I] = Reg;
     return true;
   }