On Mon, 13 May 2013, Richard Biener wrote:
>
> This fixes a virtual SSA updating problem with sinking clobbers.
> Namely when sinking into a block with multiple predecessors and
> no virtual use we lack a convenient PHI node that serves as a
> merge of the virtual operands from the predecessors.
This fixes a virtual SSA updating problem with sinking clobbers.
Namely when sinking into a block with multiple predecessors and
no virtual use we lack a convenient PHI node that serves as a
merge of the virtual operands from the predecessors. The following
patch gives up sinking clobbers in this