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| author | Evan Cheng <evan.cheng@apple.com> | 2010-01-04 21:22:48 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-01-04 21:22:48 +0000 |
| commit | 760d1945bca8561ca3ca106cc746cca7361b6a6b (patch) | |
| tree | c3af635775bb9c8ff47c2fd0cd36cd48313477fa /lib/CodeGen/ExactHazardRecognizer.cpp | |
| parent | f2d7fb3eac30e2c018bad0c8db7f89130da9c89f (diff) | |
Perform this folding as a target specific dag combine:
(or (x << c) | (y >> (64 - c))) ==> (shld64 x, y, c)
The isel patterns may not catch all the cases if general dag combine has reduced width of source operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92513 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ExactHazardRecognizer.cpp')
0 files changed, 0 insertions, 0 deletions