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llvm-project/llvm/test/Transforms/Reassociate
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Craig Topper 3ad8fbd205 [Reassociate] Teach ConvertShiftToMul to preserve nsw flag if the shift amount is not bitwidth - 1. 
Multiply and shl have different signed overflow behavior in
some cases. But it looks like we should be ok as long as the
shift amount is less than bitwidth - 1.

Alive2: http://volta.cs.utah.edu:8080/z/MM4WZP

Differential Revision: https://reviews.llvm.org/D81189
2020-06-04 14:51:34 -07:00
..
2002-05-15-AgressiveSubMove.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2002-05-15-MissedTree.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
2002-05-15-SubReassociate.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
2002-07-09-DominanceProblem.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2003-08-12-InfiniteLoop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2005-09-01-ArrayOutOfBounds.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2006-04-27-ReassociateVector.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2011-01-26-UseAfterFree.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-05-08-UndefLeak.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2012-06-08-InfiniteLoop.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
2019-08-22-FNegAssert.ll
[Reassoc] Small fix to support unary FNeg in NegateValue(...)
2019-08-23 15:49:38 +00:00
absorption.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
add_across_block_crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
basictest.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
binop-identity.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
canonicalize-neg-const.ll
[Reassociate] try harder to convert negative FP constants to positive
2019-08-10 13:17:54 +00:00
commute.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
crash2.ll
Add FNeg IR constant folding support
2019-05-05 16:07:09 +00:00
crash.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
cse-pairs.ll
[Reassociate] add testcases for more than 1 pairs - NFC
2020-03-19 05:21:24 -04:00
deadcode.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
erase_inst_made_change.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
factorize-again.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-AgressiveSubMove.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-ArrayOutOfBounds.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-basictest.ll
Remove BinaryOperator::CreateFNeg
2020-02-27 09:06:03 -08:00
fast-fp-commute.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
fast-mightymul.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-MissedTree.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fast-multistep.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
fast-ReassociateVector.ll
[Reassociate] try harder to convert negative FP constants to positive
2019-08-10 13:17:54 +00:00
fast-SubReassociate.ll
[InstCombine] reassociate fsub+fsub into fsub+fadd
2020-01-15 11:14:13 -05:00
fp-commute.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
fp-expr.ll
Remove BinaryOperator::CreateFNeg
2020-02-27 09:06:03 -08:00
infloop-deadphi.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
inverses.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
keep-debug-loc.ll
Infer alignment of unmarked loads in IR/bitcode parsing.
2020-05-14 13:03:50 -07:00
long-chains.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
looptest.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
matching-binops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
mightymul.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
min_int.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
mixed-fast-nonfast-fp.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
mulfactor.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
multistep.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
negation1.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
negation.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
no-op.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
optional-flags.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
otherops.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pointer-collision-non-determinism.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr12245.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr21205.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr28367.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
pr42349.ll
[Reassociate] Remove bogus assert reported in PR42349.
2019-06-20 23:03:55 +00:00
propagate-flags.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
reassoc-intermediate-fnegs.ll
[Reassociate] try harder to convert negative FP constants to positive
2019-08-10 13:17:54 +00:00
reassociate_dbgvalue_discard.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
reassociate_salvages_debug_info.ll
[DBG][OPT] Attempt to salvage or undef debug info when removing trivially deletable instructions in the Reassociate Expression pass.
2019-11-12 15:17:04 +00:00
reassociate-catchswitch.ll
Fix new reassociate-catchswitch.ll test
2019-05-08 18:39:03 +00:00
reassociate-deadinst.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
reassociate-landingpad.ll
Migrate function attribute "no-frame-pointer-elim-non-leaf" to "frame-pointer"="non-leaf" as cleanups after D56351
2019-12-24 16:05:15 -08:00
repeats.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
secondary.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
shift-factor.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
shifttest.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
subtest.ll
Revert "Temporarily Revert "Add basic loop fusion pass.""
2019-04-17 04:52:47 +00:00
undef_intrinsics_when_deleting_instructions.ll
[DBG][OPT] Attempt to salvage or undef debug info when removing trivially deletable instructions in the Reassociate Expression pass.
2019-11-12 15:17:04 +00:00
vaarg_movable.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00
wrap-flags.ll
[Reassociate] Teach ConvertShiftToMul to preserve nsw flag if the shift amount is not bitwidth - 1.
2020-06-04 14:51:34 -07:00
xor_reassoc.ll
[Tests] Autogen a bunch of Reassociate tests for ease of update
2019-08-01 23:30:32 +00:00