[llvm-commits] [llvm] r98013 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Chris Lattner]

On Mar 8, 2010, at 4:07 PM, Dan Gohman wrote:

> Author: djg
> Date: Mon Mar  8 18:07:36 2010
> New Revision: 98013
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=98013&view=rev
> Log:
> Print the correct index in the "match failed at index" message.

This isn't correct for multi-byte opcodes.  Please capture the MatcherIndex before dispatching on the opcode and print that value.

-Chris

> 
> Modified:
>    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
> 
> Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=98013&r1=98012&r2=98013&view=diff
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
> +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Mon Mar  8 18:07:36 2010
> @@ -2680,7 +2680,7 @@
>       NodeStack.append(LastScope.NodeStack.begin(), LastScope.NodeStack.end());
>       N = NodeStack.back();
> 
> -      DEBUG(errs() << "  Match failed at index " << MatcherIndex
> +      DEBUG(errs() << "  Match failed at index " << (MatcherIndex-1)
>                    << " continuing at " << LastScope.FailIndex << "\n");
> 
>       if (LastScope.NumMatchedMemRefs != MatchedMemRefs.size())
> 
> 
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