Martin Storsjö 5b5c21d772 Revert "[SLP]Improve minbitwidth analysis." ...

This reverts commit 2bd369b48dbf0bc3128becb7ef8f8a1b82514b87.

That commit triggered failed assertions:
$ cat repro.c
short *a;
int b;
void h() {
  short *c = a;
  b = 0;
  for (; b < 4; b++) {
    unsigned d = a[b] + a[b + 4 * 2], e = a[b] - a[b + 4 * 2],
             f = (a[b + 4] >> 1) - a[b + 4 * 3],
             g = a[b + 4] + (a[b + 4 * 3] >> 1);
    c[b] = g;
    c[b + 4] = e + f;
    c[b + 4 * 2] = e - f;
    c[b + 4 * 3] = d - g;
  }
}
$ clang -target aarch64-linux-gnu -c -O2 repro.c
clang: ../lib/Transforms/Vectorize/SLPVectorizer.cpp:12503: llvm::Value* llvm::slpvectorizer::BoUpSLP::vectorizeTree(llvm::slpvectorizer::BoUpSLP::TreeEntry*, bool): Assertion `(MinBWs.contains(getOperandEntry(E, 0)) || MinBWs.contains(getOperandEntry(E, 1))) && "Expected item in MinBWs."' failed.

2024-03-09 13:53:13 +02:00

..

CMakeLists.txt

[VPlan] Add initial anlysis to infer scalar type of VPValues. (#69013)

2023-10-27 14:38:28 +01:00

LoadStoreVectorizer.cpp

[IR] Fix GEP offset computations for vector GEPs (#75448)

2024-01-04 10:08:21 +01:00

LoopVectorizationLegality.cpp

[LV] Disable fold tail by masking when IV is used outside (#81609)

2024-03-04 11:33:30 +00:00

LoopVectorizationPlanner.h

[LV] Make DL optional argument for VPBuilder member functions (NFCI).

2024-01-16 15:50:09 +00:00

LoopVectorize.cpp

[NFC][RemoveDIs] Insert instruction using iterators in Transforms/

2024-03-05 15:12:22 +00:00

SLPVectorizer.cpp

Revert "[SLP]Improve minbitwidth analysis."

2024-03-09 13:53:13 +02:00

VectorCombine.cpp

[VectorCombine] Fold reduce(trunc(x)) -> trunc(reduce(x)) iff cost effective (#81852)

2024-02-19 11:32:23 +00:00

Vectorize.cpp

[Vectorize] Clean up Transforms/Vectorize.h

2023-04-17 13:54:19 +02:00

VPlan.cpp

[VPlan] Add initial pattern match implementation for VPInstruction. (#80563)

2024-03-03 21:48:58 +00:00

VPlan.h

[VPlan] Remove unused OverrideAllowed arg from getVPValue (NFCI).

2024-03-06 20:14:25 +00:00

VPlanAnalysis.cpp

[VPlan] Support live-ins without underlying IR in type analysis. (#80723)

2024-02-21 19:37:15 +00:00

VPlanAnalysis.h

[VPlan] Support live-ins without underlying IR in type analysis. (#80723)

2024-02-21 19:37:15 +00:00

VPlanCFG.h

[VPlan] Remove unnecessary includes from VPlan.h (NFC).

2023-04-24 16:10:46 +01:00

VPlanDominatorTree.h

[VPlan] Switch default graph traits to be recursive, update VPDomTree.

2023-01-23 14:00:43 +00:00

VPlanHCFGBuilder.cpp

[VPlan] Merge main VPlan verifer with HCFG verifier.

2024-02-20 16:43:57 +00:00

VPlanHCFGBuilder.h

[VPlan] Merge main VPlan verifer with HCFG verifier.

2024-02-20 16:43:57 +00:00

VPlanPatternMatch.h

[VPlan] Add initial pattern match implementation for VPInstruction. (#80563)

2024-03-03 21:48:58 +00:00

VPlanRecipes.cpp

[LV] Use scalar CMP for active-lane-mask with scalar VF (#83902)

2024-03-06 15:59:35 -05:00

VPlanSLP.cpp

[VPlan] Remove VPInstruction::setUnderlyingInstr (NFCI).

2024-02-18 18:50:01 +00:00

VPlanTransforms.cpp

[LV] Handle scalable VFs in optimizeForVFAndUF (#82669)

2024-03-04 13:49:35 -08:00

VPlanTransforms.h

[VPlan] Turn private members of VPlanTransforms to static funcs (NFC)

2024-02-17 13:45:23 +00:00

VPlanValue.h

[VPlan] Consistently use (Part, 0) for first lane scalar values (#80271)

2024-02-26 19:06:43 +00:00

VPlanVerifier.cpp

[VPlan] Verify CFG invariants first (NFCI).

2024-03-04 16:29:19 +00:00

VPlanVerifier.h

[VPlan] Merge main VPlan verifer with HCFG verifier.

2024-02-20 16:43:57 +00:00

VPRecipeBuilder.h

[VPlan] Replace VPRecipeOrVPValue with VP2VP recipe simplification. (#76090)

2024-01-29 09:52:05 +00:00