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Mikael Holmen e0ced14449 [ArgumentPromotion] Change use of removed argument in llvm.dbg.value to undef 
Summary:
This solves PR33641.

When removing a dead argument we must also handle possibly existing calls
to llvm.dbg.value that use the removed argument. Now we change the use
of the otherwise dead argument to an undef for some other pass to cleanup
later.

If the calls are left untouched, they will later on cause errors:
 "function-local metadata used in wrong function"
since the ArgumentPromotion rewrites the code by creating a new function
with the wanted signature, but the metadata is not recreated so the new
function may then erroneously use metadata from the old function.

Reviewers: mstorsjo, rnk, arsenm

Reviewed By: rnk

Subscribers: wdng, llvm-commits

Differential Revision: https://reviews.llvm.org/D34874

llvm-svn: 307521
 		2017-07-10 06:07:24 +00:00
..
ADCE Fix a test to check assembly output instead of bitcode. 2017-03-31 23:22:19 +00:00
AddDiscriminators [AddDiscriminators] Assign discriminators to MemIntrinsic calls. 2017-04-11 19:07:30 +00:00
AlignmentFromAssumptions
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ArgumentPromotion [ArgumentPromotion] Change use of removed argument in llvm.dbg.value to undef 2017-07-10 06:07:24 +00:00
AtomicExpand Add address space mangling to lifetime intrinsics 2017-04-10 20:18:21 +00:00
BDCE [Analysis] Support bitreverse in -demanded-bits pass 2017-04-13 16:44:25 +00:00
BranchFolding
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CodeExtractor Clean up a test case 2017-06-27 21:35:49 +00:00
CodeGenPrepare [CGP, x86] update test checks; NFC 2017-07-06 15:31:38 +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 [ConstHoisting] Turn on consthoist-with-block-frequency by default. 2017-07-07 00:11:05 +00:00
ConstantMerge Don't merge global constants with non-dbg metadata. 2017-03-09 00:03:37 +00:00
Coroutines [coroutines] PR33271: Remove stray coro.save intrinsics during CoroSplit 2017-06-02 02:18:36 +00:00
CorrelatedValuePropagation [LVI] Teach LVI to reason about ORs of icmps similar to how it reasons about ANDs of icmps 2017-06-23 01:08:16 +00:00
CountingFunctionInserter
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CrossDSOCFI [cfi] CFI-ICall for ThinLTO. 2017-06-16 00:18:29 +00:00
DCE [InstSimplify] Don't constant fold or DCE calls that are marked nobuiltin 2017-06-09 23:18:11 +00:00
DeadArgElim Replace hardcoded intrinsic list with speculatable attribute. 2017-05-03 02:26:10 +00:00
DeadStoreElimination Add address space mangling to lifetime intrinsics 2017-04-10 20:18:21 +00:00
EarlyCSE [EarlyCSE] Make PhiToCheck in removeMSSA() a set. 2017-06-14 19:29:53 +00:00
EliminateAvailableExternally
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Float2Int
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ForcedFunctionAttrs
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FunctionAttrs Support arbitrary address space pointers in masked gather/scatter intrinsics. 2017-05-03 12:28:54 +00:00
FunctionImport Revert r295861, "[ModuleSummaryAnalysis] Don't crash when referencing unnamed globals." 2017-05-03 00:18:48 +00:00
GCOVProfiling
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GVN Revert "[GVN] Recommit the patch "Add phi-translate support in scalarpre"." 2017-07-03 12:23:10 +00:00
GVNHoist Disable GVN Hoist due to still more bugs being found in it. There is 2017-04-27 00:28:03 +00:00
GVNSink Changed a comparison operator for std::stable_sort to implement strict weak ordering. 2017-06-08 17:27:40 +00:00
GlobalDCE [PM] Teach the PGO instrumentation pasess to run GlobalDCE before 2017-05-25 07:15:09 +00:00
GlobalMerge Align definition of DW_OP_plus with DWARF spec [3/3] 2017-06-14 13:14:38 +00:00
GlobalOpt [GlobalOpt] Remove unreachable blocks before optimizing a function. 2017-07-05 22:28:28 +00:00
GlobalSplit Fix one-after-the-end type metadata handling in globalsplit. 2017-03-07 22:18:48 +00:00
GuardWidening
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IPConstantProp [IPCP] Don't propagate return value for naked functions. 2017-02-04 19:44:14 +00:00
IRCE [IRCE] Canonicalize pre/post loops after the blocks are added into parent loop 2017-06-06 14:54:01 +00:00
IndVarSimplify Re-enable "[IndVars] Canonicalize comparisons between non-negative values and indvars" 2017-07-08 17:17:30 +00:00
InferAddressSpaces [InferAddressSpaces] Fix assertion about null pointer 2017-07-07 02:40:13 +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 [PM] Fix a nasty bug in the new PM where we failed to properly 2017-07-09 13:45:11 +00:00
InstCombine [ValueTracking] Fix the identity case (LHS => RHS) when the LHS is false. 2017-07-07 13:55:55 +00:00
InstMerge Remove the load hoisting code of MLSM, it is completely subsumed by GVNHoist 2017-01-24 19:55:36 +00:00
InstNamer Add basic test case for -instnamer 2017-05-08 23:18:46 +00:00
InstSimplify [InstSimplify] Constant fold the new GEP in SimplifyGEPInst. 2017-06-06 10:17:14 +00:00
InterleavedAccess [ARM] Implement interleaved access bug fix from r306334 2017-07-07 16:15:05 +00:00
Internalize
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JumpThreading [JumpThreading] Add test case that was supposed to go with r306085. 2017-06-27 15:26:47 +00:00
LCSSA
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LICM [AliasSetTracker] Don't drop AA MD so eagerly 2017-06-29 19:13:11 +00:00
LoadStoreVectorizer Skip bitcasts while looking for GEP in LoadStoreVectorizer 2017-04-25 18:00:08 +00:00
LoopDataPrefetch
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LoopDeletion [LoopDeletion] Update exits correctly when multiple duplicate edges from an exiting block 2017-06-22 20:20:56 +00:00
LoopDistribute Move test of lazy BFI with ORE to a generic directory 2017-01-13 00:16:23 +00:00
LoopIdiom [Atomics] Rename and change prototype for atomic memcpy intrinsic 2017-06-16 14:43:59 +00:00
LoopInterchange
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LoopLoadElim [PM] Port LoopLoadElimination to the new pass manager and wire it into 2017-01-27 01:32:26 +00:00
LoopPredication Loop predication expand both sides of the widened condition 2017-02-27 15:44:49 +00:00
LoopReroll
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LoopRotate Restrict the definition of loop preheader to avoid EH blocks 2017-06-22 23:27:16 +00:00
LoopSimplify [LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr. 2017-06-25 22:45:31 +00:00
LoopSimplifyCFG
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LoopStrengthReduce [LSR] Narrow search space by filtering non-optimal formulae with the same ScaledReg and Scale. 2017-07-06 15:52:14 +00:00
LoopUnroll [LoopUnrollRuntime] Support multiple exit blocks unrolling when prolog remainder generated 2017-07-07 20:12:32 +00:00
LoopUnswitch [LoopSimplify] Re-instate r306081 with a bug fix w.r.t. indirectbr. 2017-06-25 22:45:31 +00:00
LoopVectorize [LoopVectorize] partly revert r307475 2017-07-08 16:34:46 +00:00
LoopVersioning [LAA] Correctly return a half-open range in expandBounds 2017-04-05 09:24:26 +00:00
LoopVersioningLICM [LAA] Correctly return a half-open range in expandBounds 2017-04-05 09:24:26 +00:00
LowerAtomic
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LowerExpectIntrinsic Fix builin_expect lowering bug 2017-06-07 18:32:24 +00:00
LowerGuardIntrinsic
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LowerInvoke
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LowerSwitch LowerSwitch: Fix producing invalid IR on unreachable code 2017-04-21 23:54:12 +00:00
LowerTypeTests Fix ODR violations due to abuse of LLVM_YAML_IS_(FLOW_)?SEQUENCE_VECTOR 2017-06-30 20:56:57 +00:00
Mem2Reg Add test coverage for mem2reg dbg.declare lowering. 2017-04-21 22:13:55 +00:00
MemCpyOpt Add address space mangling to lifetime intrinsics 2017-04-10 20:18:21 +00:00
MergeFunc MergeFunctions: Preserve debug info in thunks, under option -mergefunc-preserve-debug-info 2017-01-21 02:02:56 +00:00
MetaRenamer [MetaRenamer] Don't rename library functions. 2017-03-23 23:21:07 +00:00
NameAnonGlobals
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NaryReassociate
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NewGVN NewGVN: Fix PR 33461, caused by slightly overzealous verification. 2017-06-19 00:24:00 +00:00
ObjCARC Replace hardcoded intrinsic list with speculatable attribute. 2017-05-03 02:26:10 +00:00
PGOProfile [PGO] Implementate profile counter regiser promotion 2017-06-25 00:26:43 +00:00
PartiallyInlineLibCalls
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PhaseOrdering Make globalaa-retained.ll test catching more cases. 2017-04-18 13:29:26 +00:00
PlaceSafepoints
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PreISelIntrinsicLowering
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PruneEH
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Reassociate [Reassociate] Make sure EraseInst sets MadeChange 2017-06-27 05:32:13 +00:00
Reg2Mem
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RewriteStatepointsForGC [RS4GC] Drop invalid metadata after pointers are relocated 2017-06-12 21:26:53 +00:00
SCCP [SCCP] Resolve indirect branch target when possible. 2017-04-10 00:33:25 +00:00
SLPVectorizer [SLP] A test for limiting vectorization of instructions, NFC. 2017-06-30 14:37:32 +00:00
SROA [SROA] Fix APInt size when alloca address space is not 0 2017-06-27 18:26:06 +00:00
SafeStack Align definition of DW_OP_plus with DWARF spec [3/3] 2017-06-14 13:14:38 +00:00
SampleProfile Do not inline recursive direct calls in sample loader pass. 2017-06-21 17:57:43 +00:00
Scalarizer [Scalarizer] Handle scalar arguments in vector GEP 2017-03-31 06:29:49 +00:00
SeparateConstOffsetFromGEP AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel 2017-03-21 21:39:51 +00:00
SimpleLoopUnswitch [PM/Unswitch] Fix a bug in the domtree update logic for the new unswitch 2017-05-25 06:33:36 +00:00
SimplifyCFG [ValueTracking] Support icmps fed by 'and' and 'or'. 2017-07-06 20:00:25 +00:00
Sink [Sink] Fix predicate in legality check 2017-06-09 19:31:10 +00:00
SpeculativeExecution Revert r301950: SpeculativeExecution: Stop using whitelist for costs 2017-05-10 12:30:07 +00:00
StraightLineStrengthReduce AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel 2017-03-21 21:39:51 +00:00
StripDeadPrototypes
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StripSymbols [StripDeadDebug/DIFinder] Track inlined SPs 2017-04-11 13:32:11 +00:00
StructurizeCFG Revert "StructurizeCFG: Directly invert cmp instructions" 2017-04-24 20:25:01 +00:00
TailCallElim [TRE] Improve code motion in TRE, use AA to tell whether a load can be moved before a call that writes to memory. 2017-06-19 15:21:18 +00:00
ThinLTOBitcodeWriter Write summaries for merged modules when splitting modules for ThinLTO. 2017-06-08 23:01:49 +00:00
Util PredicateInfo: Don't insert conditional info when a conditional branch jumps to the same target regardless of condition 2017-06-14 21:19:52 +00:00
WholeProgramDevirt Skip CFI for dead functions. 2017-06-02 18:24:23 +00:00