Nadav Rotem
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36510f7194
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Teach the cost model about the optimization in r169904: Truncation of induction variables costs the same as scalar trunc.
llvm-svn: 170051
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2012-12-13 00:21:03 +00:00 |
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Nadav Rotem
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ae79765676
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Code Model: Improve the accuracy of the zext/sext/trunc vector cost estimation.
llvm-svn: 167412
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2012-11-05 22:20:53 +00:00 |
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Nadav Rotem
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7411623fd8
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Implement the cost of abnormal x86 instruction lowering as a table.
llvm-svn: 167395
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2012-11-05 19:32:46 +00:00 |
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Nadav Rotem
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6d7d39783d
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Fix a bug in the cost calculation of vector casts. Detect situations where bitcasts cost zero.
llvm-svn: 167170
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2012-10-31 20:52:26 +00:00 |
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