https://bugs.llvm.org/show_bug.cgi?id=35789
Bug ID: 35789
Summary: [AArch64] SelectPostLoadLane called with non-constant
index
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AArch64
Assignee: unassignedb...@nondot.org
Reporter: llvm-...@redking.me.uk
CC: llvm-b...@justinbogner.com, llvm-bugs@lists.llvm.org,
mcros...@codeaurora.org
Partially reduced from
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4862
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-gnu"
define void @foo(<4 x i32>* %X0, <4 x i32>* %X1, <4 x i32>* %X2) {
bb:
%L7 = load i1, i1* undef
%A2 = alloca i32
%L5 = load i32, i32* %A2
%G1 = getelementptr i32, i32* %A2, i32 %L5
%L6 = load i32, i32* %G1
%G4 = getelementptr i32, i32* %G1, i1 %L7
%L2 = load i32, i32* %G4
%e = select <4 x i1> <i1 false, i1 false, i1 true, i1 false>, <4 x i32>
zeroinitializer, <4 x i32> <i32 11, i32 15, i32 32, i32 99>
%E9 = extractelement <4 x i32> %e, i32 %L2
%I3 = insertelement <4 x i32> %e, i32 %L5, i32 %L2
%bg = select <4 x i1> zeroinitializer, <4 x i32> <i32 33, i32 10, i32 67, i32
66>, <4 x i32> <i32 42, i32 91, i32 47, i32 40>
%E1 = extractelement <4 x i32> %bg, i32 0
%I15 = insertelement <4 x i32> %bg, i32 %L6, i32 %E1
%I8 = insertelement <4 x i32> %I3, i32 %E9, i32 %L5
store <4 x i32> %I15, <4 x i32>* %X0
store <4 x i32> %e, <4 x i32>* %X1
store <4 x i32> %I8, <4 x i32>* %X2
ret void
}
Assertion failed: isa<X>(Val) && "cast<Ty>() argument of incompatible type!",
file D:\LLVM\llvm\include\llvm/Support/Casting.h, line 241
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