llvm-project/llvm/test/Transforms
Sanjay Patel 03d0cd6a81 [InstCombine] trunc (binop X, C) --> binop (trunc X, C')
Note that one-use and shouldChangeType() are checked ahead of the switch.

Without the narrowing folds, we can produce inferior vector code as shown in PR35299:
https://bugs.llvm.org/show_bug.cgi?id=35299

llvm-svn: 318323
2017-11-15 19:12:01 +00:00
..
ADCE [ADCE][Dominators] Reapply: Teach ADCE to preserve dominators 2017-08-22 16:30:21 +00:00
AddDiscriminators
AlignmentFromAssumptions
ArgumentPromotion [ArgPromotion] Preserve alignment of byval argument in new alloca 2017-08-04 17:09:11 +00:00
AtomicExpand
BDCE [BDCE] Don't check demanded bits on unsized types 2017-08-16 16:09:22 +00:00
BranchFolding
CallSiteSplitting Recommit r317351 : Add CallSiteSplitting pass 2017-11-03 20:41:16 +00:00
CalledValuePropagation Add CalledValuePropagation pass 2017-10-25 13:40:08 +00:00
CodeExtractor [PartialInliner] Inline vararg functions that forward varargs. 2017-11-13 10:35:52 +00:00
CodeGenPrepare Revert "[CodeGenPrepare] Check that erased sunken address are not reused" 2017-11-13 16:41:17 +00:00
ConstProp [X86] Replace 'REQUIRES: x86' in tests with 'REQUIRES: x86-registered-target' which seems to be the correct way to make them run on an x86 build. 2017-06-04 08:21:58 +00:00
ConstantHoisting Fix out-of-order stepping behavior in programs with hoisted constants. 2017-11-09 20:01:31 +00:00
ConstantMerge Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
Coroutines [coroutines] Add support for symmetric control transfer (musttail on coro.resumes followed by a suspend) 2017-08-25 02:25:10 +00:00
CorrelatedValuePropagation [CVP] Remove some {s|u}add.with.overflow checks. 2017-11-10 19:13:35 +00:00
CountingFunctionInserter Rename CountingFunctionInserter and use for both mcount and cygprofile calls, before and after inlining 2017-11-14 21:09:45 +00:00
CrossDSOCFI [cfi] Build __cfi_check as Thumb when applicable. 2017-08-29 22:29:15 +00:00
DCE Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
DeadArgElim Remove the obsolete offset parameter from @llvm.dbg.value 2017-07-28 20:21:02 +00:00
DeadStoreElimination Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
DivRemPairs [DivRemPairs] split tests per target to account for bots that don't build for all targets 2017-09-09 14:10:59 +00:00
EarlyCSE Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
EliminateAvailableExternally
ExpandMemCmp/X86 re-land [ExpandMemCmp] Split ExpandMemCmp from CodeGen into its own pass." 2017-11-03 12:12:27 +00:00
Float2Int
ForcedFunctionAttrs
FunctionAttrs Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
FunctionImport Fix bot failures by requiring x86 target 2017-08-19 19:15:04 +00:00
GCOVProfiling Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
GVN [GVN PRE] Patch the source for Phi node in PRE 2017-11-09 06:02:18 +00:00
GVNHoist Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
GVNSink Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
GlobalDCE [PM] Teach the PGO instrumentation pasess to run GlobalDCE before 2017-05-25 07:15:09 +00:00
GlobalMerge Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
GlobalOpt Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
GlobalSplit
GuardWidening
IPConstantProp
IRCE [NFC] Get rid of hard-coded value ID in test 2017-11-03 07:30:45 +00:00
IndVarSimplify IndVarSimplify: preserve debug information attached to widened PHI nodes. 2017-11-02 23:17:06 +00:00
InferAddressSpaces InferAddressSpaces: Fix bug about replacing addrspacecast 2017-10-30 21:19:41 +00:00
InferFunctionAttrs 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
Inline Move verbosity check for remarks to the diag handler 2017-10-04 04:26:23 +00:00
InstCombine [InstCombine] trunc (binop X, C) --> binop (trunc X, C') 2017-11-15 19:12:01 +00:00
InstMerge
InstNamer Add basic test case for -instnamer 2017-05-08 23:18:46 +00:00
InstSimplify [ValueTracking] return zero when there's conflict in known bits of a shift (PR34838) 2017-10-12 17:31:46 +00:00
InterleavedAccess [X86][LLVM]Expanding Supports lowerInterleaved{store|load}() in X86InterleavedAccess (VF64 stride 3-4) 2017-10-02 07:35:25 +00:00
Internalize
JumpThreading Fix some misc. -enable-var-scope violations 2017-11-13 01:47:52 +00:00
LCSSA
LICM Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
LoadStoreVectorizer Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
LoopDataPrefetch
LoopDeletion [Dominators] Teach LoopDeletion to use the new incremental API 2017-08-02 18:17:52 +00:00
LoopDistribute
LoopIdiom Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
LoopInterchange [LoopInterchange] Fix phi node ordering miscompile. 2017-10-21 13:58:37 +00:00
LoopLoadElim
LoopPredication [LoopPredication] Enable predication when latchCheckIV is wider than rangeCheck 2017-11-02 21:21:02 +00:00
LoopReroll Remove the obsolete offset parameter from @llvm.dbg.value 2017-07-28 20:21:02 +00:00
LoopRotate Fix llvm/test/Transforms/LoopRotate/pr35210.ll in rL318237, it uses debug options. 2017-11-15 06:46:58 +00:00
LoopSimplify [SCEV] Teach SCEV to find maxBECount when loop endbound is variant 2017-10-13 14:30:43 +00:00
LoopSimplifyCFG
LoopStrengthReduce Revert r314886 "[X86] Improvement in CodeGen instruction selection for LEAs (re-applying post required revision changes.)" 2017-10-04 17:54:06 +00:00
LoopUnroll loop-unroll: teach remapInstruction to update dbg.value intrinsics. 2017-11-01 23:12:35 +00:00
LoopUnswitch [LoopUnswitch] Fix a simple bug which disables loop unswitch for select statement 2017-08-29 21:45:11 +00:00
LoopVectorize [LV] Introduce VPBlendRecipe, VPWidenMemoryInstructionRecipe 2017-11-14 12:09:30 +00:00
LoopVersioning
LoopVersioningLICM
LowerAtomic LowerAtomic: Don't skip optnone functions; atomic still need lowering (PR34020) 2017-08-23 15:43:28 +00:00
LowerExpectIntrinsic Fix builin_expect lowering bug 2017-06-07 18:32:24 +00:00
LowerGuardIntrinsic
LowerInvoke
LowerSwitch
LowerTypeTests [IPO/LowerTypesTest] Skip blockaddress(es) when replacing uses. 2017-11-07 00:09:25 +00:00
Mem2Reg Re-land r313825: "[IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare" 2017-09-21 19:52:03 +00:00
MemCpyOpt Fix some misc. -enable-var-scope violations 2017-11-13 01:47:52 +00:00
MergeFunc [MergeFunctions] Merge small functions if possible without a thunk. 2017-10-15 12:29:09 +00:00
MergeICmps Re-land "[MergeICmps] Disable mergeicmps if the target does not want to handle memcmp expansion." 2017-10-10 08:00:45 +00:00
MetaRenamer [MetaRenamer] Leave `@main` alone. 2017-08-01 05:14:45 +00:00
NameAnonGlobals
NaryReassociate
NewGVN Add an @llvm.sideeffect intrinsic 2017-11-08 21:59:51 +00:00
ObjCARC ObjCARC: do not increment past the end of the BB 2017-10-24 00:09:10 +00:00
PGOProfile Simplify irreducible loop metadata test code. 2017-11-14 19:48:59 +00:00
PartiallyInlineLibCalls [PartialInlineLibCalls] Teach PartialInlineLibCalls to honor nobuiltin, properly check the function signature, and check TLI::has 2017-10-28 00:36:58 +00:00
PhaseOrdering [PassManager, SimplifyCFG] add test for PR34603 / D38566; NFC 2017-11-15 16:37:30 +00:00
PlaceSafepoints All libcalls should be considered to be GC-leaf functions. 2017-07-27 16:49:39 +00:00
PreISelIntrinsicLowering
PruneEH
Reassociate [Reassociation] regenerate test checks; NFC 2017-11-13 19:46:28 +00:00
Reg2Mem
RewriteStatepointsForGC Strip off invariant.start because memory locations arent invariant 2017-11-02 18:24:04 +00:00
SCCP Recommit r315288: [SCCP] Propagate integer range info for parameters in IPSCCP. 2017-10-30 10:07:42 +00:00
SLPVectorizer [SLP] Added more missed optimization remarks 2017-11-15 17:04:53 +00:00
SROA Re-land r313825: "[IR] Add llvm.dbg.addr, a control-dependent version of llvm.dbg.declare" 2017-09-21 19:52:03 +00:00
SafeStack Parse and print DIExpressions inline to ease IR and MIR testing 2017-08-23 20:31:27 +00:00
SampleProfile Include already promoted counts when computing SUM for VP. 2017-11-06 19:52:49 +00:00
Scalarizer Remove the obsolete offset parameter from @llvm.dbg.value 2017-07-28 20:21:02 +00:00
SeparateConstOffsetFromGEP
SimpleLoopUnswitch [PM/Unswitch] Fix a bug in the domtree update logic for the new unswitch 2017-05-25 06:33:36 +00:00
SimplifyCFG Fix some misc. -enable-var-scope violations 2017-11-13 01:47:52 +00:00
Sink Enhance synchscope representation 2017-07-11 22:23:00 +00:00
SpeculativeExecution Revert r301950: SpeculativeExecution: Stop using whitelist for costs 2017-05-10 12:30:07 +00:00
StraightLineStrengthReduce
StripDeadPrototypes
StripSymbols Canonicalize the representation of empty an expression in DIGlobalVariableExpression 2017-08-30 18:06:51 +00:00
StructurizeCFG [Dominators] Include infinite loops in PostDominatorTree 2017-08-15 18:14:57 +00:00
TailCallElim [TRE] Add another test for OptRemark. 2017-07-19 21:39:51 +00:00
ThinLTOBitcodeWriter ModuleUtils: Stop using comdat members to generate unique module ids. 2017-10-05 21:54:53 +00:00
Util [InstCombine] Add a flag to disable LowerDbgDeclare 2017-09-13 01:43:25 +00:00
WholeProgramDevirt [LTO][ThinLTO] Use the linker resolutions to mark global values as dso_local. 2017-11-04 17:04:39 +00:00