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archived-llvm/test/Transforms/SimplifyCFG
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Sanjoy Das 8ef2e47e27 [SimplifyCFG] Don't create PHI nodes for constant bundle operands 
Summary:
Constant bundle operands may need to retain their constant-ness for
correctness.  I'll admit that this is slightly odd, but it looks like
SimplifyCFG already does this for things like @llvm.frameaddress and
@llvm.stackmap, so I suppose adding one more case is not a big deal.

It is possible to add a mechanism to denote bundle operands that need to
remain constants, but that's probably too complicated for the time
being.

Reviewers: jmolloy

Subscribers: mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D25502

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284028 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-12 18:15:33 +00:00
..
AArch64
[SimplifyCFG] Rewrite SinkThenElseCodeToEnd
2016-08-22 19:07:15 +00:00
AMDGPU
AMDGPU: Fix some places missed in rename
2015-06-19 17:39:03 +00:00
ARM
[ARM] Don't convert switches to lookup tables of pointers with ROPI/RWPI
2016-10-07 08:48:24 +00:00
Mips
[MIPS] add overrides for isCheapToSpeculateCttz() and isCheapToSpeculateCtlz()
2015-11-11 17:24:56 +00:00
PowerPC
[CodeGenPrepare] Removed duplicate logic. SimplifyCFG already knows how to speculate calls to cttz/ctlz.
2015-02-13 14:15:48 +00:00
SPARC
Reduce verbiage of lit.local.cfg files
2014-06-09 22:42:55 +00:00
X86
[SimplifyCFG] Correctly test for unconditional branches in GetCaseResults
2016-10-07 01:38:35 +00:00
2002-05-21-PHIElimination.ll
…
2002-09-24-PHIAssertion.ll
…
2003-03-07-DominateProblem.ll
…
2003-08-05-InvokeCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2003-08-17-BranchFold.ll
…
2003-08-17-BranchFoldOrdering.ll
…
2003-08-17-FoldSwitch-dbg.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2003-08-17-FoldSwitch.ll
regenerate checks
2016-03-28 22:12:21 +00:00
2004-12-10-SimplifyCFGCrash.ll
…
2005-06-16-PHICrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-08-01-PHIUpdateFail.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2005-10-02-InvokeSimplify.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2005-12-03-IncorrectPHIFold.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-02-17-InfiniteUnroll.ll
…
2006-06-12-InfLoop.ll
…
2006-08-03-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-10-19-UncondDiv.ll
…
2006-12-08-Ptr-ICmp-Branch.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2007-11-22-InvokeNoUnwind.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2007-12-21-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2008-01-02-hoist-fp-add.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-05-16-PHIBlockMerge.ll
[SimlifyCFG] Prevent passes from destroying canonical loop structure, especially for nested loops
2016-03-29 04:08:57 +00:00
2008-07-13-InfLoopMiscompile.ll
remove the metadata added with r267827
2016-04-30 00:02:36 +00:00
2008-09-08-MultiplePred.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-09-17-SpeculativeHoist.ll
…
2008-10-03-SpeculativelyExecuteBeforePHI.ll
…
2008-12-06-SingleEntryPhi.ll
…
2008-12-16-DCECond.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2009-01-18-PHIPropCrash.ll
…
2009-05-12-externweak.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2010-03-30-InvokeCrash.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
2011-03-08-UnreachableUse.ll
…
2011-09-05-TrivialLPad.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
assume.ll
Add @llvm.assume, lowering, and some basic properties
2014-07-25 21:13:35 +00:00
attr-convergent.ll
[SimplifyCFG] Don't fold conditional branches that contain calls to convergent functions.
2016-02-12 21:01:36 +00:00
attr-noduplicate.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
basictest.ll
[SimplifyCFG] Prefer a simplification based on a dominating condition.
2016-05-06 14:25:14 +00:00
branch-cond-merge.ll
…
branch-cond-prop.ll
…
branch-fold-dbg.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
branch-fold-test.ll
…
branch-fold-threshold.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
branch-fold.ll
…
branch-phi-thread.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
BrUnwind.ll
…
bug-25299.ll
[SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad.
2016-01-10 05:48:01 +00:00
clamp.ll
[SimplifyCFG] Add test for r229099
2015-02-13 11:08:40 +00:00
combine-parallel-mem-md.ll
[SimplifyCFG] Preserve !llvm.mem.parallel_loop_access when merging
2016-04-26 02:06:06 +00:00
common-dest-folding.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
ConditionalTrappingConstantExpr.ll
[Constant] remove fdiv and frem from canTrap()
2016-08-29 15:27:17 +00:00
CoveredLookupTable.ll
…
dbginfo.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
dce-cond-after-folding-terminator.ll
…
DeadSetCC.ll
…
duplicate-landingpad.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
duplicate-phis.ll
…
empty-catchpad.ll
[WinEH] Simplify unreachable catchpads
2016-01-05 02:37:41 +00:00
empty-cleanuppad.ll
[SimplifyCFG] Don't kill empty cleanuppads with multiple uses
2016-06-04 23:50:03 +00:00
EmptyBlockMerge.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
EqualPHIEdgeBlockMerge.ll
[SimlifyCFG] Prevent passes from destroying canonical loop structure, especially for nested loops
2016-03-29 04:08:57 +00:00
extract-cost.ll
Add ExtractValue instruction to SimplifyCFG's ComputeSpeculationCost
2014-05-09 17:02:46 +00:00
ForwardSwitchConditionToPHI.ll
…
guards.ll
[SimplifyCFG] Fold llvm.guard(false) to unreachable
2016-04-21 05:09:12 +00:00
hoist-common-code.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
hoist-dbgvalue.ll
[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.
2016-04-15 15:57:41 +00:00
hoist-with-range.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
HoistCode.ll
…
implied-cond-matching-false-dest.ll
[ValueTracking] Improve isImpliedCondition when the dominating cond is false.
2016-04-25 17:23:36 +00:00
implied-cond-matching-imm.ll
[ValueTracking] Improve isImpliedCondition for matching LHS and Imm RHSs.
2016-05-05 15:39:18 +00:00
implied-cond-matching.ll
Fix typo from r267432.
2016-04-25 18:20:27 +00:00
implied-cond.ll
[SimplifyCFG] Constant fold a branch implied by it's incoming edge
2015-10-29 03:11:49 +00:00
indirectbr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
InfLoop.ll
[SimplifyCFG] Fix for "endless" loop after dead code removal (Alternative to
2016-02-03 23:54:25 +00:00
inline-asm-sink.ll
[SimplifyCFG] Be even more conservative in SinkThenElseCodeToEnd
2016-09-11 09:00:03 +00:00
invoke_unwind.ll
[SimplifyCFG] Extend SimplifyResume to handle phi of trivial landing pad.
2016-01-10 05:48:01 +00:00
invoke.ll
Revert "[SimplifyCFG] Stop inserting calls to llvm.trap for UB"
2016-06-25 08:19:55 +00:00
iterative-simplify.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
lifetime.ll
Revert "[SimplifyCFG] Extend TryToSimplifyUncondBranchFromEmptyBlock for empty block including lifetime intrinsics"
2016-05-02 19:43:22 +00:00
MagicPointer.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
merge-cleanuppads.ll
[SimplifyCFG] Merge together cleanuppads
2016-02-20 01:07:45 +00:00
merge-cond-stores-2.ll
Tweak unnamed label syntax in textual IR for easier matching in tests.
2016-01-27 21:53:08 +00:00
merge-cond-stores.ll
Revert "Don't create unnecessary PHIs"
2015-12-14 22:36:57 +00:00
multiple-phis.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
no_speculative_loads_with_asan.ll
[asan] Disabling speculative loads under asan. Patch by Mike Aizatsky
2015-10-14 00:21:05 +00:00
no_speculative_loads_with_tsan.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
no-md-sink.ll
[SimplifyCFG] Don't try to create metadata-valued PHIs
2016-09-07 21:38:22 +00:00
noreturn-call.ll
…
phi-undef-loadstore.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
PhiBlockMerge2.ll
…
PhiBlockMerge.ll
regenerate checks
2016-03-28 22:12:21 +00:00
PhiEliminate2.ll
propagate 'unpredictable' metadata on select instructions
2016-03-17 15:30:52 +00:00
PhiEliminate3.ll
…
PhiEliminate.ll
…
PHINode.ll
…
PhiNoEliminate.ll
…
PR9946.ll
…
PR16069.ll
regenerate checks
2016-03-28 22:12:21 +00:00
PR17073.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
PR25267.ll
[SimplifyCFG] Don't use-after-free an SSA value
2015-10-21 18:22:24 +00:00
PR27615-simplify-cond-br.ll
DebugInfo: New metadata representation for global variables.
2016-09-13 01:12:59 +00:00
PR29163.ll
[SimplifyCFG] Hoisting invalidates metadata
2016-08-29 17:14:08 +00:00
PR30210.ll
Add a test for r280191
2016-09-16 02:43:36 +00:00
preserve-branchweights-partial.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
preserve-branchweights-switch-create.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
preserve-branchweights.ll
Follow-up patch of http://reviews.llvm.org/D19948 to handle missing profiles when simplifying CFG.
2016-05-18 22:41:03 +00:00
preserve-load-metadata-2.ll
Preserve load alignment and dereferenceable metadata during some transformations
2015-11-02 17:53:51 +00:00
preserve-load-metadata-3.ll
Preserve load alignment and dereferenceable metadata during some transformations
2015-11-02 17:53:51 +00:00
preserve-load-metadata.ll
Preserve load alignment and dereferenceable metadata during some transformations
2015-11-02 17:53:51 +00:00
preserve-make-implicit-on-switch-to-br.ll
[ConstantFoldTerminator] Preserve make.implicit metadata when converting SwitchInst to BranchInst
2015-08-07 19:30:12 +00:00
rangereduce.ll
Actually, r277337 was fine. Just kill the DAGs that made the test allow nondeterminism.
2016-08-05 14:58:34 +00:00
remove-debug.ll
Remove debug info when hoisting instruction from then/else branch.
2016-09-08 21:53:33 +00:00
return-merge.ll
…
seh-nounwind.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
select-gep.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
sink-common-code.ll
[SimplifyCFG] Don't create PHI nodes for constant bundle operands
2016-10-12 18:15:33 +00:00
speculate-math.ll
Revert "Revert "[SimplifyCFG] allow speculation of exactly one expensive instruction (PR24818)""
2016-01-27 02:59:41 +00:00
speculate-store.ll
[SimplifyCFG] propagate branch metadata when creating select (PR26636)
2016-03-26 23:30:50 +00:00
speculate-vector-ops.ll
Make bitcast, extractelement, and insertelement considered cheap for speculation.
2014-05-30 18:34:43 +00:00
speculate-with-offset.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
SpeculativeExec.ll
Revert "Revert "Strip metadata when speculatively hoisting instructions (r252604)"
2015-11-18 14:50:18 +00:00
statepoint-invoke-unwind.ll
[gc.statepoint] Change gc.statepoint intrinsic's return type to token type instead of i32 type
2015-12-26 07:54:32 +00:00
switch_create.ll
Teaching SimplifyCFG to recognize the Or-Mask trick that InstCombine uses to
2016-06-24 01:59:00 +00:00
switch_switch_fold.ll
use FileCheck for tighter checking
2016-03-16 23:39:37 +00:00
switch_thread.ll
reduce check strings; no need to check IR comments
2016-03-16 23:22:01 +00:00
switch-dead-default.ll
[SimplifyCFG] Use known bits to eliminate dead switch defaults
2015-09-10 17:44:47 +00:00
switch-masked-bits.ll
[SimplifyCFG] eliminate switch cases based on known range of switch condition
2016-05-20 14:53:09 +00:00
switch-on-const-select.ll
…
switch-range-to-icmp.ll
SimplifyCFG: don't remove unreachable default switch destinations
2015-01-26 19:52:32 +00:00
switch-simplify-crash.ll
…
switch-to-br.ll
Add some tests for SimplifyCFG's ConstantFoldTerminator(). NFC.
2014-12-04 22:19:25 +00:00
switch-to-icmp.ll
…
switch-to-select-multiple-edge-per-block-phi.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
switch-to-select-two-case.ll
SimplifyCFG: don't remove unreachable default switch destinations
2015-01-26 19:52:32 +00:00
trap-debugloc.ll
Revert "[SimplifyCFG] Stop inserting calls to llvm.trap for UB"
2016-06-25 08:19:55 +00:00
trapping-load-unreachable.ll
Revert "[SimplifyCFG] Stop inserting calls to llvm.trap for UB"
2016-06-25 08:19:55 +00:00
two-entry-phi-return.ll
[SimplifyCFG] propagate branch metadata when creating select (PR27344)
2016-04-15 15:32:12 +00:00
UncondBranchToReturn.ll
…
unreachable-blocks.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
unreachable-cleanuppad.ll
[SimplifyCFG] Do not blindly remove unreachable blocks
2016-02-24 10:02:16 +00:00
UnreachableEliminate.ll
[SimplifyCFG] Replace calls to null/undef with unreachable
2016-06-25 07:37:27 +00:00
volatile-phioper.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
wineh-unreachable.ll
[SimplifyCFG] Further improve our ability to remove redundant catchpads
2016-01-05 07:42:17 +00:00