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llvm-project/llvm/test/Transforms/LoopVectorize
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Michael Kuperstein 3ceac2bbd5 [LV, X86] Be more optimistic about vectorizing shifts. 
Shifts with a uniform but non-constant count were considered very expensive to
vectorize, because the splat of the uniform count and the shift would tend to
appear in different blocks. That made the splat invisible to ISel, and we'd
scalarize the shift at codegen time.

Since r201655, CodeGenPrepare sinks those splats to be next to their use, and we
are able to select the appropriate vector shifts. This updates the cost model to
to take this into account by making shifts by a uniform cheap again.

Differential Revision: https://reviews.llvm.org/D23049

llvm-svn: 277782
 		2016-08-04 22:48:03 +00:00
..
AArch64 Reapply "[TTI] Refine default cost for interleaved load groups with gaps" 2016-06-10 14:33:30 +00:00
ARM [ARM] AArch32 v8 NEON is still not IEEE-754 compliant 2016-04-18 12:06:47 +00:00
PowerPC Recommit the patch "Use uniforms set to populate VecValuesToIgnore". 2016-07-19 00:50:43 +00:00
X86 [LV, X86] Be more optimistic about vectorizing shifts. 2016-08-04 22:48:03 +00:00
XCore [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
12-12-11-if-conv.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2012-10-20-infloop.ll Rename getMaximumUnrollFactor -> getMaxInterleaveFactor; also rename option names controlling this variable. 2014-09-10 17:58:16 +00:00
2012-10-22-isconsec.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
2016-07-27-loop-vec.ll Fix the assertion error in collectLoopUniforms caused by empty Worklist before expanding. 2016-07-27 23:53:58 +00:00
align.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
bsd_regex.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
bzip_reverse_loops.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
calloc.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
cast-induction.ll [LV] For some IVs, use vector phis instead of widening in the loop body 2016-06-01 17:16:46 +00:00
conditional-assignment.ll [PM] Port LoopVectorize to the new PM. 2016-07-09 22:56:50 +00:00
control-flow.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
cpp-new-array.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
dbg.value.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
debugloc.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
diag-with-hotness-info-2.ll [OptDiag,LV] Add hotness attribute to analysis remarks 2016-07-20 21:44:26 +00:00
diag-with-hotness-info.ll [LV] Add hotness attribute to missed-optimization remarks 2016-07-20 04:03:43 +00:00
duplicated-metadata.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
ee-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
exact.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
flags.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
float-induction.ll [Loop Vectorizer] Handling loops FP induction variables. 2016-07-24 07:24:54 +00:00
float-reduction.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
funcall.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
gcc-examples.ll [LV] For some IVs, use vector phis instead of widening in the loop body 2016-06-01 17:16:46 +00:00
gep_with_bitcast.ll [LV] Don't widen trivial induction variables 2016-07-06 14:26:59 +00:00
global_alias.ll Recommit the patch "Use uniforms set to populate VecValuesToIgnore". 2016-07-19 00:50:43 +00:00
hints-trans.ll [LoopVectorize] Keep hints from original loop on the vector loop 2016-04-29 01:27:40 +00:00
hoist-loads.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
i8-induction.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
if-conv-crash.ll Rename getMaximumUnrollFactor -> getMaxInterleaveFactor; also rename option names controlling this variable. 2014-09-10 17:58:16 +00:00
if-conversion-edgemasks.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
if-conversion-nest.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
if-conversion-reduction.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
if-conversion.ll [InstCombine] canonicalize* LE/GE vector integer comparisons to LT/GT (PR26701, PR26819) 2016-05-13 15:10:46 +00:00
if-pred-stores.ll [LV] Preserve LoopInfo when store predication is used 2016-03-15 18:06:20 +00:00
incorrect-dom-info.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
increment.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
induction-step.ll [LoopVectorize] Handling induction variable with non-constant step. 2016-05-10 07:33:35 +00:00
induction.ll [LV] Generate both scalar and vector integer induction variables 2016-08-02 15:25:16 +00:00
induction_plus.ll [LV] Move vector int induction update to end of latch 2016-07-21 21:20:15 +00:00
infiniteloop.ll
…
interleaved-accesses-pred-stores.ll [LV] Allow interleaved accesses in loops with predicated blocks 2016-07-14 20:59:47 +00:00
interleaved-accesses.ll [LV] Preserve order of dependences in interleaved accesses analysis 2016-06-24 15:33:25 +00:00
intrinsic.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
iv_outside_user.ll [LV] Remove wrong assumption about LCSSA 2016-07-12 21:24:06 +00:00
lcssa-crash.ll Rename getMaximumUnrollFactor -> getMaxInterleaveFactor; also rename option names controlling this variable. 2014-09-10 17:58:16 +00:00
lifetime.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
loop-form.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
loop-vect-memdep.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
memdep.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
metadata-unroll.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
metadata-width.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
metadata.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
miniters.ll The patch replace the overflow check in loop vectorization with the minimum loop iterations check. 2015-08-25 16:43:47 +00:00
minmax_reduction.ll [LoopUtils,LV] Propagate fast-math flags on generated FCmp instructions 2015-09-21 19:41:19 +00:00
multi-use-reduction-bug.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
multiple-address-spaces.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
multiple-strides-vectorization.ll Quick fix for the test from rL272014 "[LAA] Improve non-wrapping pointer 2016-06-07 15:52:35 +00:00
no_array_bounds.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
no_idiv_reduction.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
no_int_induction.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
no_outside_user.ll Recommit [LV] Enable vectorization of loops where the IV has an external use 2016-06-15 00:35:26 +00:00
no_switch.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
noalias-md-licm.ll [LoopVectorize] Annotate versioned loop with noalias metadata 2016-03-17 20:32:37 +00:00
noalias-md.ll [LoopVectorize] Annotate versioned loop with noalias metadata 2016-03-17 20:32:37 +00:00
nofloat.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
non-const-n.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
nontemporal.ll [LoopVectorize] Propagate 'nontemporal' attribute into vectorized instructions. 2015-08-20 22:27:38 +00:00
nsw-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
opt.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
optsize.ll fix minsize detection: minsize attribute implies optimizing for size 2015-08-11 15:56:31 +00:00
phi-hang.ll [Verifier] Reject PHIs using defs from own block. 2016-03-26 23:32:57 +00:00
pr25281.ll [PR25281] Remove AAResultsWrapper from preserved analyses of loop vectorizer. 2016-04-29 03:31:25 +00:00
ptr-induction.ll Reverted patch 273864 2016-06-29 10:01:06 +00:00
ptr_loops.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
read-only.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
reduction.ll [LV] Don't bail to MiddleBlock if a runtime check fails, bail to ScalarPH instead 2015-09-02 10:15:39 +00:00
reverse_induction.ll Recommit the patch "Use uniforms set to populate VecValuesToIgnore". 2016-07-19 00:50:43 +00:00
reverse_iter.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
runtime-check-address-space.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
runtime-check-readonly-address-space.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
runtime-check-readonly.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
runtime-check.ll [PR27284] Reverse the ownership between DICompileUnit and DISubprogram. 2016-04-15 15:57:41 +00:00
runtime-limit.ll Fix test introduced in r246187 that failed on some systems. 2015-08-27 20:43:29 +00:00
safegep.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
same-base-access.ll [SCEV][LAA] Re-commit r260085 and r260086, this time with a fix for the memory 2016-02-08 17:02:45 +00:00
scalar-select.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
scev-exitlim-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
simple-unroll.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
small-loop.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
start-non-zero.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
store-shuffle-bug.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
struct_access.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
tbaa-nodep.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
undef-inst-bug.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
unroll.ll [X86] Disable loop unrolling in loop vectorization pass when VF is 1. 2015-05-06 17:12:25 +00:00
unroll_novec.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
unsafe-dep-remark.ll [LV] Hint at the new loop distribution pragma in optimization remark 2016-05-09 23:03:44 +00:00
unsized-pointee-crash.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
value-ptr-bug.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
vect.omp.persistence.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
vect.stats.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
vectorize-once.ll Introduce runtime unrolling disable matadata and use it to mark the scalar loop from vectorization. 2015-03-09 06:14:18 +00:00
version-mem-access.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
write-only.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
zero-sized-pointee-crash.ll [LoopVectorize] Don't crash on zero-sized types in isInductionPHI 2015-06-05 10:52:40 +00:00