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| author | Dan Gohman <gohman@apple.com> | 2009-05-21 02:28:33 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-05-21 02:28:33 +0000 |
| commit | 9004c8afd4bf7b3f27f4a4f8fd069379afa97c83 (patch) | |
| tree | 537c7db81d2ade0b3a765258ac8f71fd2900371b /lib/Analysis/ConstantFolding.cpp | |
| parent | 4a4ea14f7d3872f07352eae14e62be48a5342fbc (diff) | |
Teach ValueTracking a new way to analyze PHI nodes, and and teach
Instcombine to be more aggressive about using SimplifyDemandedBits
on shift nodes. This allows a shift to be simplified to zero in the
included test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
0 files changed, 0 insertions, 0 deletions