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| author | Dan Gohman <gohman@apple.com> | 2009-10-30 22:39:04 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-30 22:39:04 +0000 |
| commit | 2c63566e406974caa70ee27f35af28112e80f951 (patch) | |
| tree | 035e676c111fbdc4696a12f296c0f375696b99ff /lib/VMCore/BasicBlock.cpp | |
| parent | 3821176b2eb9fe5e66929f3df6f204fa6cb2e4d6 (diff) | |
Teach SimplifyCFG how to eliminate duplicate PHI nodes within a block.
This reduces codesize on a variety of codes by 1-2% on x86-64. It also
helps clean up after SSAUpdater.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85626 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/BasicBlock.cpp')
0 files changed, 0 insertions, 0 deletions