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4 Commits

Author SHA1 Message Date
Nadav Rotem
ad2fd4eada Enhance constant folding of bitcast operations on vectors of floats. 
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.

llvm-svn: 125776
 2011-02-17 21:22:27 +00:00
Nadav Rotem
98c5af8517 Fix test 
llvm-svn: 125460
 2011-02-13 16:13:16 +00:00
Nadav Rotem
3ce2bfbb55 Fix a regression from r125393; 
It caused a crash in MultiSource/Benchmarks/Bullet.
Opt hit an assertion with "opt -std-compile-opts" because
Constant::getAllOnesValue doesn't know how to handle floats.

This patch added a test to reproduce the problem and a check that the
destination vector is of integer type.

Thank you Benjamin!

llvm-svn: 125459
 2011-02-13 15:45:34 +00:00
Nadav Rotem
c2e51ee68a Fix 9173. 
Add more folding patterns to constant expressions of vector selects and vector
bitcasts.

llvm-svn: 125393
 2011-02-11 19:37:55 +00:00