[llvm-commits] [llvm] r56597 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp

[Evan Cheng]

Author: evancheng
Date: Wed Sep 24 19:14:04 2008
New Revision: 56597

URL: http://llvm.org/viewvc/llvm-project?rev=56597&view=rev
Log:
<rdar://problem/6234798> Assertion failed: (!OpInfo.AssignedRegs.Regs.empty() && "Couldn't allocate input reg!")

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

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp?rev=56597&r1=56596&r2=56597&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp Wed Sep 24 19:14:04 2008
@@ -4940,8 +4940,11 @@
              "Don't know how to handle indirect register inputs yet!");
 
       // Copy the input into the appropriate registers.
-      assert(!OpInfo.AssignedRegs.Regs.empty() &&
-             "Couldn't allocate input reg!");
+      if (OpInfo.AssignedRegs.Regs.empty()) {
+        cerr << "Couldn't allocate output reg for constraint '"
+             << OpInfo.ConstraintCode << "'!\n";
+        exit(1);
+      }
 
       OpInfo.AssignedRegs.getCopyToRegs(InOperandVal, DAG, Chain, &Flag);