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Author SHA1 Message Date
Akira Hatanaka 86d5fadd57 Lower 64-bit immediates using MipsAnalyzeImmediate that has just been added. 
Add a test case to show fewer instructions are needed to load an immediate
with the new way of loading immediates.

llvm-svn: 148908
 2012-01-25 03:01:35 +00:00
Akira Hatanaka db47e0c49d Add patterns for matching immediates whose lower 16-bit is cleared. These 
patterns emit a single LUi instruction instead of a pair of LUi and ORi.

llvm-svn: 146900
 2011-12-19 20:21:18 +00:00
Akira Hatanaka 4a04a56a36 Fix 64-bit immediate patterns. 
llvm-svn: 146059
 2011-12-07 20:10:24 +00:00