commit | 1a84bd38efa9d3f638781e2502b2bee150a3471c | [log] [tgz] |
---|---|---|
author | Chris Lattner <sabre@nondot.org> | Thu Feb 17 19:28:49 2005 +0000 |
committer | Chris Lattner <sabre@nondot.org> | Thu Feb 17 19:28:49 2005 +0000 |
tree | 358c1f6c0e50b2595d4516d1a35eb98cb975fd18 | |
parent | ae02b723bf2c47f0dede9452c5053776920801ff [diff] |
Do not mark obviously unreachable blocks live when processing PHI nodes, and handle incomplete control dependences correctly. This fixes: Regression/Transforms/ADCE/dead-phi-edge.ll -> a missed optimization Regression/Transforms/ADCE/dead-phi-edge.ll -> a compiler crash distilled from QT4 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20227 91177308-0d34-0410-b5e6-96231b3b80d8