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4 Commits

Author SHA1 Message Date
Nadav Rotem
093399cbf3 Enhance constant folding of bitcast operations on vectors of floats. 
Add getAllOnesValue of FP numbers to Constants and APFloat.
Add more tests.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125776 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-17 21:22:27 +00:00
Nadav Rotem
d239e5af64 Fix test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125460 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 16:13:16 +00:00
Nadav Rotem
bc53ca1b53 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!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125459 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-13 15:45:34 +00:00
Nadav Rotem
d2f27ead2d Fix 9173. 
Add more folding patterns to constant expressions of vector selects and vector
bitcasts.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125393 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-11 19:37:55 +00:00