llvm-project/llvm/test/Transforms/LoopStrengthReduce
Michael Kuperstein 951995821a [X86] Reduce some 32-bit imuls into lea + shl
Reduce integer multiplication by a constant of the form k*2^c, where k is in {3,5,9} into a lea + shl. Previously it was only done for imulq on 64-bit platforms, but it makes sense for imull and 32-bit as well.

Differential Revision: http://reviews.llvm.org/D7196

llvm-svn: 227308
2015-01-28 14:08:22 +00:00
..
AArch64 IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
ARM Reapply "[ARM] Combine base-updating/post-incrementing vector load/stores." 2014-12-13 23:22:12 +00:00
X86 [X86] Reduce some 32-bit imuls into lea + shl 2015-01-28 14:08:22 +00:00
2005-08-15-AddRecIV.ll
2005-08-17-OutOfLoopVariant.ll
2005-09-12-UsesOutOutsideOfLoop.ll
2007-04-23-UseIterator.ll
2008-08-13-CmpStride.ll
2008-09-09-Overflow.ll
2009-01-13-nonconstant-stride-outside-loop.ll
2009-04-28-no-reduce-mul.ll
2011-07-19-CritEdgeBreakCrash.ll
2011-10-03-CritEdgeMerge.ll
2011-10-06-ReusePhi.ll
2011-10-13-SCEVChain.ll
2011-10-14-IntPtr.ll
2011-12-19-PostincQuadratic.ll
2012-01-02-nopreheader.ll
2012-01-16-nopreheader.ll
2012-03-15-nopreheader.ll
2012-03-26-constexpr.ll
2012-07-13-ExpandUDiv.ll
2012-07-18-LimitReassociate.ll
2013-01-05-IndBr.ll
2013-01-14-ReuseCast.ll
addrec-gep-address-space.ll
addrec-gep.ll
address-space-loop.ll
count-to-zero.ll
dead-phi.ll
different-type-ivs.ll
dominate-assert.ll
dont-hoist-simple-loop-constants.ll
dont_insert_redundant_ops.ll Convert test to FileCheck 2014-04-23 19:32:37 +00:00
dont_reduce_bytes.ll
dont_reverse.ll
exit_compare_live_range.ll
hoist-parent-preheader.ll
invariant_value_first.ll
invariant_value_first_arg.ll
ivchain.ll
lsr-expand-quadratic.ll
nested-reduce.ll
nonlinear-postinc.ll
ops_after_indvar.ll
phi_node_update_multiple_preds.ll
post-inc-icmpzero.ll
pr2537.ll
pr2570.ll
pr3086.ll
pr3399.ll
pr3571.ll
pr12018.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
pr12048.ll
pr12691.ll
pr18165.ll IR: Make metadata typeless in assembly 2014-12-15 19:07:53 +00:00
preserve-gep-loop-variant.ll
quadradic-exit-value.ll
related_indvars.ll
remove_indvar.ll
scaling_factor_cost_crash.ll
share_code_in_preheader.ll
share_ivs.ll
uglygep-address-space.ll
uglygep.ll
use_postinc_value_outside_loop.ll
var_stride_used_by_compare.ll
variable_stride.ll