llvm-6502/test/Transforms
Dale Johannesen 4458ab0d83 Don't delete asm's just because their inputs are undefined;
xor R, R is a common and valid idiom for zeroing a register, for example.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 00:45:38 +00:00
..
ADCE Allow readonly functions to unwind exceptions. Teach 2009-05-06 06:49:50 +00:00
ArgumentPromotion Fix typo. 2009-04-23 04:24:19 +00:00
BlockPlacement
BranchFolding
CodeExtractor
CodeGenPrepare
CondProp Optimize conditional branch on i1 phis with non-constant inputs. 2009-04-14 23:40:03 +00:00
ConstantMerge
ConstProp Remove the vicmp and vfcmp instructions. Because we never had a release with 2009-07-08 03:04:38 +00:00
DeadArgElim aha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka Duncan) 2009-03-18 16:48:45 +00:00
DeadStoreElimination Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
FunctionAttrs Revert r70876 and add a testcase (@c7) showing the problem: 2009-05-07 18:08:34 +00:00
GlobalDCE Add a new "available_externally" linkage type. This is intended 2009-04-13 05:44:34 +00:00
GlobalOpt Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
GVN Move the re-sort of invalidated NonLocalPointerDeps cache earlier 2009-07-13 17:14:23 +00:00
GVNPRE Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
IndMemRem
IndVarSimplify Reapply 75252, with a fix to avoid the infinite recursion case. The 2009-07-13 21:35:55 +00:00
Inline PR4123: don't crash when inlining a call which uses its own result. 2009-05-08 00:22:04 +00:00
InstCombine PR4548: optimize zext+udiv+trunc to udiv. 2009-07-13 22:46:01 +00:00
Internalize
IPConstantProp
JumpThreading make jump threading handle lexically identical compare instructions 2009-06-19 16:27:56 +00:00
LCSSA Fix LCSSA to avoid emitting a PHI node for the unwind destination of 2009-06-26 00:31:13 +00:00
LICM Before deleting a basic block, give other loop passes a chance cleanup analysis values, related to the instructions in the basic block. 2009-03-25 23:57:48 +00:00
LoopDeletion
LoopIndexSplit Don't try to split a loop when the controlling icmp instruction 2009-06-27 22:58:27 +00:00
LoopRotate Testcase for PR2639. 2009-04-23 04:30:52 +00:00
LoopSimplify Teach LoopSimplify how to merge multiple loop exits into a single exit, 2009-06-27 21:30:38 +00:00
LoopStrengthReduce Tweak this test to be a little less unusual. 2009-06-20 00:40:56 +00:00
LoopUnroll remove a test that depends on -debug. 2009-03-13 20:31:48 +00:00
LoopUnswitch
LowerInvoke
LowerSetJmp
LowerSwitch
Mem2Reg Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
MemCpyOpt Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
MergeFunc Given two identical weak functions, produce one internal function and two weak 2009-06-12 15:56:56 +00:00
PredicateSimplifier
PruneEH Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
RaiseAllocations
Reassociate Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
ScalarRepl Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
SCCP Split the Add, Sub, and Mul instruction opcodes into separate 2009-06-04 22:49:04 +00:00
SimplifyCFG Don't delete asm's just because their inputs are undefined; 2009-07-14 00:45:38 +00:00
SimplifyLibCalls part of PR4405: disable a contentious optimization for 2009-06-19 04:17:36 +00:00
SRETPromotion
SSI There's no need to consider PHI nodes in the same block as the instruction 2009-07-09 15:59:27 +00:00
StripSymbols
TailCallElim Improve tail call elim to move loads above readonly calls 2009-06-19 04:22:16 +00:00
TailDup