llvm-project/llvm/test/Transforms
Chris Lattner 9da1cb243b optimize cttz and ctlz when we can prove something about the
leading/trailing bits.  Patch by Alastair Lynn!

llvm-svn: 92706
2010-01-05 07:23:56 +00:00
..
ABCD Revert my previous patch to ABCD and fix things the right way. There are two problems addressed 2009-11-09 00:44:44 +00:00
ADCE Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
ArgumentPromotion Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test 2009-11-03 15:29:06 +00:00
BlockPlacement Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
BranchFolding Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
CodeExtractor Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
CodeGenPrepare Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
ConstProp Fix PR5551 by not ignoring the top level constantexpr when 2009-12-04 06:29:29 +00:00
ConstantMerge Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
DeadArgElim Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
DeadStoreElimination Fix some CHECK lines which were ignored by accident. 2009-12-12 09:25:50 +00:00
FunctionAttrs Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
GVN fix an overly conservative caching issue that caused memdep to 2009-12-19 21:29:22 +00:00
GlobalDCE Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
GlobalOpt fix two bogus tests that the asmparser now rejects. 2009-12-30 05:54:51 +00:00
IPConstantProp Fix a use of an invalidated iterator in the case where there are multiple 2009-11-23 16:13:39 +00:00
IndVarSimplify Make getUniqueExitBlocks's precondition assert more precise, to 2009-12-11 20:05:23 +00:00
Inline implement a nice little efficiency hack in the inliner. Since we're now 2009-11-12 07:56:08 +00:00
InstCombine optimize cttz and ctlz when we can prove something about the 2010-01-05 07:23:56 +00:00
Internalize Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
JumpThreading fix PR5698 2009-12-06 17:17:23 +00:00
LCSSA Trim a bunch of unneeded code from this testcase. 2009-11-10 01:33:08 +00:00
LICM Remove dead debug info intrinsics. 2010-01-05 01:10:40 +00:00
LoopDeletion Make LoopDeletion check the maximum backedge taken count, rather than the 2009-10-23 17:10:01 +00:00
LoopIndexSplit Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
LoopRotate fix PR5837 by having SSAUpdate reuse phi nodes for the 2009-12-21 07:16:11 +00:00
LoopSimplify Make Loop::getLoopLatch() work on loops which don't have preheaders, as 2009-11-20 20:51:18 +00:00
LoopStrengthReduce Generalize OptimizeLoopTermCond to optimize more loop terminating icmp to use postinc iv. 2009-11-17 18:10:11 +00:00
LoopUnroll Teach getSmallConstantTripMultiple about Shl operators. 2009-11-20 01:09:34 +00:00
LoopUnswitch Reverting patch in revision 89758, initial attempt at fixing PR5373 has proven to be bogus. 2009-11-25 05:38:41 +00:00
LowerInvoke Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
LowerSetJmp Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
LowerSwitch Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
Mem2Reg fix a bug exposed by moving SRoA earlier which caused a crash building kc++ 2009-11-02 04:37:17 +00:00
MemCpyOpt Make opt default to not adding a target data string and update tests that depend on target data to supply it within the test 2009-11-03 15:29:06 +00:00
MergeFunc Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
PruneEH Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
Reassociate fix an infinite loop in reassociate building emacs. 2010-01-05 04:55:35 +00:00
SCCP fix a crash in SCCP handling extractvalue of an array, pointed out and 2009-11-10 22:02:09 +00:00
SRETPromotion Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
SSI Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
ScalarRepl Generalize SROA to allow the first index of a GEP to be non-zero. Add a 2009-12-22 06:57:14 +00:00
SimplifyCFG fix two bogus tests that the asmparser now rejects. 2009-12-30 05:54:51 +00:00
SimplifyLibCalls move an optimization for memcmp out of simplifylibcalls and into 2009-12-24 00:37:38 +00:00
StripSymbols Update test. 2009-09-09 02:41:50 +00:00
TailCallElim Improve tail call elimination to handle the switch statement. 2009-11-07 21:10:15 +00:00
TailDup Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00