[llvm-bugs] Issue 22291 in oss-fuzz: llvm:llvm-isel-fuzzer--wasm32-O2: ASSERT: isSimple() && "Expected a SimpleValueType!"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com, igm... at gmail.com, davg at google.com, mitchp at google.com, bigchees... at gmail.com, eneyman at google.com, llvm-b... at lists.llvm.org, jfb at chromium.org, v... at apple.com, mitchphi... at outlook.com, xpl... at gmail.com, akils... at apple.com 
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-05-17
Type: Bug

New issue 22291 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--wasm32-O2: ASSERT: isSimple() && "Expected a SimpleValueType!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22291

Detailed Report: https://oss-fuzz.com/testcase?key=5715798980296704

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--wasm32-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  isSimple() && "Expected a SimpleValueType!"
  llvm::WebAssemblyTargetLowering::isVectorLoadExtDesirable
  DAGCombiner::CombineExtLoad
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202005150248:202005160246

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5715798980296704

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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