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4 Commits

Author SHA1 Message Date
Elena Demikhovsky 6769c50d9e Optimized integer vector multiplication operation by replacing it with shift/xor/sub when it is possible. Fixed a bug in SDIV, where the const operand is not a splat constant vector. 
llvm-svn: 184931
 2013-06-26 10:55:03 +00:00
Benjamin Kramer 01b75cc0f2 Test case hygiene. 
llvm-svn: 176772
 2013-03-09 18:25:40 +00:00
Nadav Rotem 3f5825c6c1 add -march to the test 
llvm-svn: 171956
 2013-01-09 07:04:23 +00:00
Nadav Rotem 977e0be4a0 Efficient lowering of vector sdiv when the divisor is a splatted power of two constant. 
PR 14848. The lowered sequence is based on the existing sequence the target-independent
DAG Combiner creates for the scalar case.

Patch by Zvi Rackover.

llvm-svn: 171953
 2013-01-09 05:14:33 +00:00