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Re: PRE (sometimes) confuses ivopts/scev?




On Wed, 26 Jan 2005, Andrew Pinski wrote:


On Jan 26, 2005, at 10:52 AM, Daniel Berlin wrote:


However, if i attempt to fix this by adding a DCE pass after PRE, tree if-convert screws up the cfg completely, and fails its tests anyway (verify_ssa failure)

yes there was a patch for this.

There were multiple problems with ifconv here, and i only remembre one patch.
See PR 18815



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