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| author | Chris Lattner <sabre@nondot.org> | 2005-09-09 18:17:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-09-09 18:17:41 +0000 |
| commit | 043870dd85ea41e8972c304b122070a417c8a4bc (patch) | |
| tree | 3fd01c064cce7304e5c9dcf1243a20f8ebb3ed13 /lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | ed628ce7bffeda318c4ef7b245f2f0fdc31596f4 (diff) | |
Teach the code generator that rlwimi is commutable if the rotate amount
is zero. This lets the register allocator elide some copies in some cases.
This implements CodeGen/PowerPC/rlwimi-commute.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23292 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
0 files changed, 0 insertions, 0 deletions