llvm/lib/CodeGen/MachineCopyPropagation.cpp · ddeb9d11fee7c02f4c52831dc5d3191cc0124b3f · Roger Ferrer / llvm-epi-0.8 · GitLab

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Fix for PR12090: clear def maps of aliases when visiting a copy. e.g. · ddeb9d11
Evan Cheng authored Feb 27, 2012
```
%S5<def> = COPY %S0<kill>
First clear def map of Q1, etc.

No small test case available.

llvm-svn: 151574
```
ddeb9d11