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llvm-mirror/lib/Transforms/Utils
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Sanjay Patel 7b84f5e824 [SimplifyCFG] don't create a no-op subtract 
I noticed this inefficiency while investigating PR34603:
https://bugs.llvm.org/show_bug.cgi?id=34603

This fix will likely push another bug (we don't maintain state of 'LateSimplifyCFG') 
into hiding, but I'll try to clean that up with a follow-up patch anyway.

llvm-svn: 313829
2017-09-20 22:31:35 +00:00
..
AddDiscriminators.cpp [AddDiscriminators] Assign discriminators to MemIntrinsic calls. 2017-04-11 19:07:30 +00:00
ASanStackFrameLayout.cpp
BasicBlockUtils.cpp Rename WeakVH to WeakTrackingVH; NFC 2017-05-01 17:07:49 +00:00
BreakCriticalEdges.cpp [Dominators] Teach LoopUnswitch to use the incremental API 2017-08-17 16:45:35 +00:00
BuildLibCalls.cpp Add argmononly attribute to strlen and wcslen, i.e. they only read memory (string) passed to them. 2017-06-18 03:10:26 +00:00
BypassSlowDivision.cpp [BypassSlowDivision] move map helper code to header; NFC 2017-08-24 14:43:33 +00:00
CloneFunction.cpp [Inliner] Fix a nasty bug when inlining a non-recursive trace of 2017-08-19 06:56:11 +00:00
CloneModule.cpp [Cloning] Move distinct GlobalVariable debug info metadata in CloneModule 2017-08-03 09:23:03 +00:00
CMakeLists.txt Recommit r310869, "[InstSimplify][InstCombine] Modify the interface of decomposeBitTestICmp and use it in the InstSimplify" 2017-08-14 21:39:51 +00:00
CodeExtractor.cpp [CodeExtractor] Remove unneded and commented out debugging stmts. 2017-07-02 00:07:18 +00:00
CtorUtils.cpp
DemoteRegToStack.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
EscapeEnumerator.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
Evaluator.cpp [Constants] If we already have a ConstantInt*, prefer to use isZero/isOne/isMinusOne instead of isNullValue/isOneValue/isAllOnesValue inherited from Constant. NFCI 2017-07-06 18:39:47 +00:00
FlattenCFG.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
FunctionComparator.cpp Enhance synchscope representation 2017-07-11 22:23:00 +00:00
FunctionImportUtils.cpp Fix assert from r309278 2017-07-27 15:28:10 +00:00
GlobalStatus.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ImportedFunctionsInliningStatistics.cpp [ThinLTO] Correct counting of functions in inliner stats 2017-03-24 17:59:06 +00:00
InlineFunction.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
InstructionNamer.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
IntegerDivision.cpp
LCSSA.cpp [LCSSA] Don't insert tokens into the worklist at all. 2017-04-17 14:32:05 +00:00
LibCallsShrinkWrap.cpp [LibCallsShrinkWrap] Remove an unnecessary class member variable. 2017-04-26 21:28:40 +00:00
LLVMBuild.txt
Local.cpp [IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare 2017-09-20 21:52:33 +00:00
LoopSimplify.cpp [LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr. 2017-06-25 22:45:31 +00:00
LoopUnroll.cpp Tighten the invariants around LoopBase::invalidate 2017-09-20 02:31:57 +00:00
LoopUnrollPeel.cpp [LoopPeeling] Get rid of Phis that become invariant after N steps 2017-04-17 09:52:02 +00:00
LoopUnrollRuntime.cpp [RuntimeUnroll] Add heuristic for unrolling multi-exit loop 2017-09-15 15:56:05 +00:00
LoopUtils.cpp Refactor collectChildrenInLoop to LoopUtils [NFC] 2017-09-15 00:04:16 +00:00
LoopVersioning.cpp [LoopVersioning] Require loop-simplify form for loop versioning. 2016-12-19 17:13:37 +00:00
LowerInvoke.cpp
LowerMemIntrinsics.cpp Extend memcpy expansion in Transform/Utils to handle wider operand types. 2017-07-07 02:00:06 +00:00
LowerSwitch.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
Mem2Reg.cpp [Mem2Reg] Remove AliasSetTracker updating logic from the pass. 2017-04-09 20:47:14 +00:00
MetaRenamer.cpp [MetaRenamer] Leave @main alone. 2017-08-01 05:14:45 +00:00
ModuleUtils.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
NameAnonGlobals.cpp
OrderedInstructions.cpp Remove unneeded else from OrderedInstructions::dominates. 2017-06-29 17:01:03 +00:00
PredicateInfo.cpp [DebugCounter] Move the semicolon out of the DEBUG_COUNTER macro and require it to be placed at the end of each use. 2017-08-10 17:48:11 +00:00
PromoteMemoryToRegister.cpp [IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare 2017-09-20 21:52:33 +00:00
SanitizerStats.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SimplifyCFG.cpp [SimplifyCFG] don't create a no-op subtract 2017-09-20 22:31:35 +00:00
SimplifyIndVar.cpp Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars" 2017-07-08 17:17:30 +00:00
SimplifyInstructions.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SimplifyLibCalls.cpp [LibCallSimplifier] try harder to fold memcmp with constant arguments (2nd try) 2017-08-21 19:13:14 +00:00
SplitModule.cpp
SSAUpdater.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
StripGCRelocates.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
StripNonLineTableDebugInfo.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SymbolRewriter.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
UnifyFunctionExitNodes.cpp
Utils.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
ValueMapper.cpp Suppress all uses of LLVM_END_WITH_NULL. NFC. 2017-05-09 19:31:13 +00:00
VNCoercion.cpp [IR] Make use of Type::isPtrOrPtrVectorTy/isIntOrIntVectorTy/isFPOrFPVectorTy to shorten code. NFC 2017-07-09 07:04:00 +00:00