Re: [PATCH] Fix PR57235

2013-05-14 Thread Richard Biener
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.

[PATCH] Fix PR57235

2013-05-13 Thread Richard Biener
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