[llvm-commits] [llvm] r122170 - in /llvm/trunk: lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp test/CodeGen/X86/critical-edge-split-2.ll

[Jakob Stoklund Olesen]

On Dec 18, 2010, at 8:58 PM, Chris Lattner wrote:

> Author: lattner
> Date: Sat Dec 18 22:58:57 2010
> New Revision: 122170
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=122170&view=rev
> Log:
> fix PR8642: if a critical edge has a PHI value that can trap,
> isel is *required* to split the edge.  PHI values get evaluated
> on the edge, not in their predecessor block.

What happens if the predecessor block is terminated by indirectbr, so the edge can't be split? 

/jakob

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