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| author | Duncan Sands <baldrick@free.fr> | 2011-01-18 11:50:19 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2011-01-18 11:50:19 +0000 |
| commit | b2f3c383ec62b959ee27d0a5fb890894c4e49e86 (patch) | |
| tree | 9e8fa6c36cc54ea8f971e2293d918371c8b05dd0 /lib/Analysis/BasicAliasAnalysis.cpp | |
| parent | fe02c69f84ad52d42be934e4fe702f03e4991a6a (diff) | |
For completeness, generalize the (X + Y) - Y -> X transform and add X - (X + 1) -> -1.
These were not recommended by my auto-simplifier since they don't fire often enough.
However they do fire from time to time, for example they remove one subtraction from
the final bitcode for 483.xalancbmk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123755 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/BasicAliasAnalysis.cpp')
0 files changed, 0 insertions, 0 deletions