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| author | Dinesh Dwivedi <dinesh.d@samsung.com> | 2014-06-02 07:57:24 +0000 |
|---|---|---|
| committer | Dinesh Dwivedi <dinesh.d@samsung.com> | 2014-06-02 07:57:24 +0000 |
| commit | ce5d35a9d0a6d72850c4bed564f5d16e9d4d9863 (patch) | |
| tree | 61b4c3da82f018a31e6ed551f71238d537bca1bd /llvm/lib/Bitcode/Reader/BitcodeReader.cpp | |
| parent | 43e127bded3b0173cc0f5b541c785e342edfb4d1 (diff) | |
Added inst combine tarnsform for (1 << X) & C pattrens where C is (some PowerOf2 - 1)
This patch can handles following cases from http://nondot.org/sabre/LLVMNotes/InstCombine.txt
"((1 << X) & 7) == 0" ==> "X > 2"
"((1 << X) & 7) != 0" ==> "X < 3".
Differential Revision: http://reviews.llvm.org/D3678
llvm-svn: 210007
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')
0 files changed, 0 insertions, 0 deletions