llvm-project/llvm/test/Transforms
Chris Lattner 6e57b15228 teach instsimplify to transform (X / Y) * Y to X
when the div is an exact udiv.

llvm-svn: 124994
2011-02-06 22:05:31 +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 fix PR8932, a case where arg promotion could infinitely promote. 2011-01-16 08:09:24 +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 temporarily revert r123526. While working on a follow-on patch I 2011-01-15 07:51:19 +00:00
ConstProp When loading from a constant, fold inttoptr if the integer type and the resulting pointer type both have the same size. 2011-02-06 20:11:56 +00:00
ConstantMerge Don't merge two constants if we care about the address of both. 2011-01-16 17:05:09 +00:00
CorrelatedValuePropagation Test for lazy value info's ability to prove the absense of NULLs in pointers. 2011-01-16 21:57:20 +00:00
DeadArgElim Teach DAE to look for functions whose arguments are unused, and change all callers to pass in an undefvalue instead. 2011-01-16 21:25:33 +00:00
DeadStoreElimination Fix PR8728, a miscompilation I recently introduced. When optimizing 2010-12-06 01:48:06 +00:00
EarlyCSE Duncan deftly points out that readnone functions aren't 2011-01-03 23:38:13 +00:00
FunctionAttrs Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis 2010-11-10 01:02:18 +00:00
GVN Give GVN back the ability to perform simple conditional propagation on conditional branch values. 2010-12-21 23:54:34 +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 Add unnamed_addr when we can show that address of a global is not used. 2011-01-19 16:32:21 +00:00
IPConstantProp more test cleanup 2010-09-02 22:38:56 +00:00
IndVarSimplify Remove LoopIndexSplit pass. It is neither maintained nor used by anyone. 2010-10-07 23:29:37 +00:00
Inline relax testcase a bit. 2011-01-14 07:46:33 +00:00
InstCombine enhance vmcore to know that udiv's can be exact, and add a trivial 2011-02-06 21:44:57 +00:00
InstSimplify teach instsimplify to transform (X / Y) * Y to X 2011-02-06 22:05:31 +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 Re-apply r124518 with fix. Watch out for invalidated iterator. 2011-01-29 04:46:23 +00:00
LCSSA Avoid depending on LCSSA implicitly pulling in LoopSimplify. 2010-07-26 18:00:43 +00:00
LICM Enhance LICM to promote alias sets whose pointers themselves are stored, 2010-12-19 05:57:25 +00:00
LoopDeletion Make LoopSimplify change conditional branches in loop exiting blocks 2010-02-25 06:57:05 +00:00
LoopIdiom Teach loop-idiom to turn a loop containing a memset into a larger memset 2011-01-04 07:46:33 +00:00
LoopRotate merge tests into one crash.ll test. 2011-01-11 07:50:07 +00:00
LoopSimplify Fix PR8702 by not having LoopSimplify claim to preserve LCSSA form. As described 2011-01-02 13:38:21 +00:00
LoopStrengthReduce Correct bogus module triple specifications. 2010-08-30 10:48:29 +00:00
LoopUnroll Revert r113439, which relaxed the requirement that loops containing calls cannot be unrolled. After some discussion, 2010-09-09 20:02:23 +00:00
LoopUnswitch Factor code for testing whether replacing one value with another 2010-11-18 19:59:41 +00:00
LowerAtomic Add an atomic lowering pass 2010-08-03 16:19:16 +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 Copy location info for current function argument from dbg.declare if respective store instruction does not have any location info. 2010-06-04 22:27:30 +00:00
MemCpyOpt Actually check memcpy lengths, instead of just commenting about 2011-01-21 22:07:57 +00:00
MergeFunc Fix surprising missed optimization in mergefunc where we forgot to consider 2011-01-27 08:38:19 +00:00
PruneEH fix some failures my callgraph dump format change broke. 2010-04-23 18:38:40 +00:00
Reassociate Fix reassociate to clear optional flags, such as nsw. 2011-02-02 02:02:34 +00:00
SCCP fix PR7876: If ipsccp decides that a function's address is taken 2010-08-12 22:25:23 +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
ScalarRepl merge all the "crash tests" into crash.ll 2011-01-24 03:37:34 +00:00
SimplifyCFG SimplifyCFG: Also transform switches that represent a range comparison but are not sorted into sub+icmp. 2011-02-03 22:51:41 +00:00
SimplifyLibCalls Revert r64460. strtol and friends cannot be marked readonly, even with 2010-12-17 01:09:43 +00:00
Sink Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
StripSymbols DIGlobalVariable can be used to encode debug info for globals that are directly folded into a constant by FE. 2010-08-25 18:52:02 +00:00
TailCallElim Add a test for TCE return duplication. 2011-01-29 04:53:35 +00:00
TailDup The output of opt -stats must be sent to stderr. Patch by NAKAMURA Takumi! 2010-09-01 18:32:56 +00:00