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clang-p2996/llvm/test/CodeGen/Thumb2/LowOverheadLoops
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Craig Topper dcfc1fd26f [SelectionDAG][RISCV][AMDGPU][ARM] Improve SimplifyDemandedBits for SHL with variable shift amount. 
If we have a variable shift amount and the demanded mask has leading
zeros, we can propagate those leading zeros to not demand those bits
from operand 0. This can allow zero_extend/sign_extend to become
any_extend. This pattern can occur due to C integer promotion rules.

This transform is already done by InstCombineSimplifyDemanded.cpp where
sign_extend can be turned into zero_extend for example.

Reviewed By: spatel, foad

Differential Revision: https://reviews.llvm.org/D121833
2022-07-14 16:10:14 -07:00
..
add_reduce.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
arm_cmplx_dot_prod_f32.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
begin-vpt-without-inst.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
biquad-cascade-default.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
biquad-cascade-optsize-strd-lr.mir
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biquad-cascade-optsize.mir
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branch-targets.ll
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clear-maskedinsts.ll
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cmplx_cong.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
cond-mov.mir
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cond-vector-reduce-mve-codegen.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
constbound.ll
[CodeGen] Improve SelectionDAGBuilder lowering code for get.active.lane.mask intrinsic
2021-12-10 13:39:38 +00:00
count_dominates_start.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
ctlz-non-zeros.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
disjoint-vcmp.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
dont-ignore-vctp.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
dont-remove-loop-update.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
emptyblock.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
end-positive-offset.mir
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exitcount.ll
[ARM] Handle splats of constants for MVE qr instruction
2021-12-17 09:16:28 +00:00
extending-loads.ll
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extract-element.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
fast-fp-loops.ll
[SCEV] Canonicalize X - urem X, Y patterns
2021-11-16 11:59:21 -08:00
incorrect-sub-8.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
incorrect-sub-16.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
incorrect-sub-32.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
inlineasm.ll
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inloop-vpnot-1.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
inloop-vpnot-2.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
inloop-vpnot-3.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
inloop-vpsel-1.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
inloop-vpsel-2.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
invariant-qreg.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
it-block-chain-store.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
it-block-chain.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
it-block-itercount.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
it-block-mov.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
it-block-random.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
iv-two-vcmp-reordered.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
iv-two-vcmp.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
iv-vcmp.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
livereg-no-loop-def.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
loop-dec-copy-chain.mir
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loop-dec-copy-prev-iteration.mir
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loop-dec-liveout.mir
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loop-guards.ll
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lsr-profitable-chain.ll
[ARM] Handle splats of constants for MVE qr instruction
2021-12-17 09:16:28 +00:00
lstp-insertion-position.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
massive.mir
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matrix-debug.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
matrix.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
memcall.ll
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minloop.ll
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mov-after-dls.mir
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mov-after-dlstp.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
mov-lr-terminator.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
mov-operand.ll
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move-def-before-start.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
move-start-after-def.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
multi-block-cond-iter-count.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
multi-cond-iter-count.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
multiblock-massive.mir
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multiple-do-loops.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
mve-float-loops.ll
[SCEV] Canonicalize X - urem X, Y patterns
2021-11-16 11:59:21 -08:00
mve-tail-data-types.ll
[SCEV] Canonicalize X - urem X, Y patterns
2021-11-16 11:59:21 -08:00
nested.ll
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no-dec-cbnz.mir
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no-dec-le-simple.ll
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no-dec-reorder.mir
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no-dec.mir
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no-vpsel-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
non-masked-load.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
non-masked-store.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
out-of-range-cbz.mir
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predicated-invariant.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
predicated-liveout-unknown-lanes.ll
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predicated-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
reductions-vpt-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
reductions.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
remat-vctp.ll
[ARM] Handle splats of constants for MVE qr instruction
2021-12-17 09:16:28 +00:00
remove-elem-moves.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
revert-after-call.mir
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revert-after-read.mir
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revert-after-write.mir
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revert-non-header.mir
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revert-non-loop.mir
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revert-while.mir
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revertcallearly.mir
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safe-def-no-mov.mir
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safe-retaining.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
sibling-loops.ll
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size-limit.mir
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skip-debug.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
skip-vpt-debug.mir
Support the min of module flags when linking, use for AArch64 BTI/PAC-RET
2022-04-13 09:31:51 +02:00
spillingmove.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
spillingmove.mir
[ARM] Introduce a MQPRCopy
2021-10-07 12:52:12 +01:00
subreg-liveness.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
switch.mir
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tail-pred-basic.ll
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tail-pred-const.ll
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tail-pred-disabled-in-loloops.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
tail-pred-intrinsic-add-sat.ll
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tail-pred-intrinsic-fabs.ll
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tail-pred-intrinsic-round.ll
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tail-pred-intrinsic-sub-sat.ll
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tail-pred-narrow.ll
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tail-pred-pattern-fail.ll
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tail-pred-reduce.ll
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tail-pred-widen.ll
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tp-multiple-vpst.ll
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unpredicated-max.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
unpredload.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
unrolled-and-vector.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
unsafe-cpsr-loop-def.mir
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unsafe-cpsr-loop-use.mir
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unsafe-retaining.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
unsafe-use-after.mir
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vaddv.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
varying-outer-2d-reduction.ll
[ARM] Move VPTBlock pass after post-ra scheduling
2021-11-04 18:42:12 +00:00
vcmp-vpst-combination-across-blocks.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
vcmp-vpst-combination.ll
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vctp16-reduce.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-add-operand-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-in-vpt-2.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-in-vpt.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-subi3.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-subri12.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vctp-subri.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vector_spill_in_loop.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vector-arith-codegen.ll
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vector-reduce-mve-tail.ll
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vector-unroll.ll
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vmaxmin_vpred_r.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vmldava_in_vpt.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
vpt-block-debug.mir
[ARM] Skip debug info in recomputeVPTBlockMask
2021-09-28 14:58:13 +01:00
vpt-blocks.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
while-loops.ll
[SelectionDAG][RISCV][AMDGPU][ARM] Improve SimplifyDemandedBits for SHL with variable shift amount.
2022-07-14 16:10:14 -07:00
while-negative-offset.mir
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while.mir
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wls-revert-placement.mir
[ARM] Fix subtarget features for Thumb2 tests. NFC
2022-07-13 11:42:21 +01:00
wls-search-killed.mir
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wls-search-pred.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
wlstp.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
wrong-liveout-lsr-shift.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
wrong-vctp-opcode-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00
wrong-vctp-operand-liveout.mir
[ARM] Add a tail-predication loop predicate register
2021-09-02 13:42:58 +01:00