| commit | bd7189d76c58fb03733058d6ea65745e54c7233a | [log] [tgz] |
|---|---|---|
| author | Tim Northover <tnorthover@apple.com> | Fri Oct 23 20:30:02 2015 +0000 |
| committer | Tim Northover <tnorthover@apple.com> | Fri Oct 23 20:30:02 2015 +0000 |
| tree | 8ab3c49870890ea23945714c946c33b3e7f53196 | |
| parent | 89cb1b78f95df1f2c999db46282e41fce8dd46ca [diff] |
GVN: don't try to replace instruction with itself. After some look-ahead PRE was added for GEPs, an instruction could end up in the table of candidates before it was actually inspected. When this happened the pass might decide it was the best candidate to replace itself. This didn't go well. Should fix PR25291 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251145 91177308-0d34-0410-b5e6-96231b3b80d8