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a3fb330d05
llvm-6502/test/Transforms
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Arnold Schwaighofer a3fb330d05 LoopVectorizer: Recognize min/max reductions 
A min/max operation is represented by a select(cmp(lt/le/gt/ge, X, Y), X, Y)
sequence in LLVM. If we see such a sequence we can treat it just as any other
commutative binary instruction and reduce it.

This appears to help bzip2 by about 1.5% on an imac12,2.

radar://12960601

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179773 91177308-0d34-0410-b5e6-96231b3b80d8
2013-04-18 17:22:34 +00:00
..
ADCE
ArgumentPromotion Update some EH tests that were violating the new EH model. 2013-03-21 18:30:10 +00:00
BBVectorize CostModel: increase the default cost of supported floating point operations from 1 to two. Fixed a few tests that changes because now the cost of one insert + a vector operation on two doubles is lower than two scalar operations on doubles. 2013-04-12 21:15:03 +00:00
BlockPlacement
BranchFolding
CodeExtractor
CodeGenPrepare Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2012-12-30 01:28:40 +00:00
ConstantMerge Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2012-12-30 01:28:40 +00:00
ConstProp Remove this testcase until I can figure out how to properly conditionalize it. 2013-02-07 07:01:54 +00:00
CorrelatedValuePropagation CVP: If we have a PHI with an incoming select, try to skip the select. 2013-02-24 15:34:43 +00:00
DeadArgElim Revert "Adding DIImportedModules to DIScopes." 2013-03-28 02:44:59 +00:00
DeadStoreElimination Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2013-01-01 13:57:25 +00:00
EarlyCSE Initially forgotten-to-svn-add test case for r177279. 2013-03-18 12:07:24 +00:00
FunctionAttrs Move library call prototype attribute inference to functionattrs 2013-03-21 00:55:59 +00:00
GCOVProfiling Revert "Adding DIImportedModules to DIScopes." 2013-03-28 02:44:59 +00:00
GlobalDCE GlobalDCE: Fix an oversight in my last commit that could lead to crashes. 2013-04-13 16:11:14 +00:00
GlobalOpt Use a worklist to avoid a sneaky iterator invalidation. 2013-04-02 08:16:45 +00:00
GVN Revert 179071 because it is not the right way to support non standard new/new[] operators. 2013-04-09 04:43:46 +00:00
IndVarSimplify IndVarSimplify: do not recompute an IV value outside of the loop if : 2013-03-19 20:00:22 +00:00
Inline Update test. There may be multiple catches, but those will be cleaned up. 2013-03-22 20:36:39 +00:00
InstCombine Revert "Combine bit test + conditional or into simple math" 2013-04-18 08:42:33 +00:00
InstSimplify Add missing colons to check lines. 2013-04-11 12:41:41 +00:00
Internalize
IPConstantProp Use references to attribute groups on the call/invoke instructions. 2013-02-22 09:09:42 +00:00
JumpThreading Use references to attribute groups on the call/invoke instructions. 2013-02-22 09:09:42 +00:00
LCSSA
LICM Revert the test moves from 176733. Use "REQUIRES: asserts" instead. 2013-03-12 16:27:52 +00:00
LoopDeletion Modify the LLVM assembly output so that it uses references to represent function attributes. 2013-02-20 07:21:42 +00:00
LoopIdiom PR14904: Segmentation fault running pass 'Recognize loop idioms' 2013-01-10 23:32:01 +00:00
LoopRotate Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2012-12-30 02:33:22 +00:00
LoopSimplify
LoopStrengthReduce LSR IVChain improvement. 2013-02-09 01:11:01 +00:00
LoopUnroll Revert the test moves from 176733. Use "REQUIRES: asserts" instead. 2013-03-12 16:27:52 +00:00
LoopUnswitch Revert the test moves from 176733. Use "REQUIRES: asserts" instead. 2013-03-12 16:27:52 +00:00
LoopVectorize LoopVectorizer: Recognize min/max reductions 2013-04-18 17:22:34 +00:00
LowerAtomic
LowerExpectIntrinsic
LowerInvoke
LowerSwitch
Mem2Reg Revert "Adding DIImportedModules to DIScopes." 2013-03-28 02:44:59 +00:00
MemCpyOpt Use references to attribute groups on the call/invoke instructions. 2013-02-22 09:09:42 +00:00
MergeFunc We are not able to bitcast a pointer to an integral value. 2013-04-15 22:33:50 +00:00
MetaRenamer Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2013-01-01 13:57:25 +00:00
ObjCARC [objc-arc] Do not mismatch up retains inside a for loop with releases outside said for loop in the presense of differing provenance caused by escaping blocks. 2013-04-18 05:39:45 +00:00
PhaseOrdering Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2012-12-30 01:28:40 +00:00
PruneEH
Reassociate Correct assertion condition 2013-04-01 18:13:05 +00:00
Reg2Mem Make sure we don't emit instructions before a landingpad instruction. 2013-01-08 10:51:32 +00:00
ScalarRepl Disable the optimization about promoting vector-element-access with symbolic index. 2013-04-05 21:07:08 +00:00
SCCP Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2013-01-01 13:57:25 +00:00
SimplifyCFG simplifycfg: Fix integer overflow converting switch into icmp. 2013-04-16 08:35:36 +00:00
SimplifyLibCalls Move library call prototype attribute inference to functionattrs 2013-03-21 00:55:59 +00:00
Sink
SLPVectorizer SLPVectorizer: Make it a function pass and add code for hoisting the vector-gather sequence out of loops. 2013-04-15 22:00:26 +00:00
SROA Fix PR15674 (and PR15603): a SROA think-o. 2013-04-07 11:47:54 +00:00
StripSymbols Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID 2013-01-01 13:57:25 +00:00
TailCallElim Revert the test moves from 176733. Use "REQUIRES: asserts" instead. 2013-03-12 16:27:52 +00:00
TailDup Revert the test moves from 176733. Use "REQUIRES: asserts" instead. 2013-03-12 16:27:52 +00:00