https://bugs.llvm.org/show_bug.cgi?id=40267
Bug ID: 40267
Summary: SplitVecOp_EXTRACT_VECTOR_ELT - Invalid vector index!
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: WebAssembly
Assignee: unassignedb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: llvm-bugs@lists.llvm.org
Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12437
; ModuleID = 'bugpoint-reduced-simplified.bc'
source_filename = "llvm/test/Transforms/InstCombine/fold-vector-select.ll"
target triple = "wasm32-unknown-unknown"
define void @foo() {
%L6 = load i32, i32* undef
br label %BB1
BB1: ; preds = %BB1, %0
%bj = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x i32> <i32
55, i32 21, i32 92, i32 68>, <4 x i32> <i32 51, i32 61, i32 62, i32 39>
%E1 = extractelement <4 x i32> %bj, i32 0
%E23 = extractelement <4 x i32> zeroinitializer, i32 %E1
%I33 = insertelement <4 x i32> undef, i32 %E23, i1 undef
store <4 x i32> %I33, <4 x i32>* undef
br label %BB1
}
llc -mtriple=wasm32 bugpoint-reduced-simplified.bc -o -
.text
.file "fold-vector-select.ll"
llc: llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp:1923: llvm::SDValue
llvm::DAGTypeLegalizer::SplitVecOp_EXTRACT_VECTOR_ELT(llvm::SDNode*): Assertion
`IdxVal < VecVT.getVectorNumElements() && "Invalid vector index!"' failed.
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