[llvm-bugs] [Bug 35822] New: [AArch64] Detected cycle in SelectionDAG
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jan 4 09:14:31 PST 2018
https://bugs.llvm.org/show_bug.cgi?id=35822
Bug ID: 35822
Summary: [AArch64] Detected cycle in SelectionDAG
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AArch64
Assignee: unassignedbugs at nondot.org
Reporter: llvm-dev at redking.me.uk
CC: Florian.Hahn at arm.com, llvm-bugs at lists.llvm.org,
sam.parker at arm.com, tim.northover at arm.com
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4856
llc -mtriple=aarch64-unknown
define void @foo(<4 x i32>* %A, <4 x i32>* %B, <4 x i32>* %C, <4 x i32>* %D, <4
x i32>* %E, <4 x i32>* %F, <4 x i32>* %G, <4 x i32>* %H, <4 x i32>* %I, <4 x
i32>* %J, <4 x i32>* %K, <4 x i32>* %L, <4 x i32>* %M, <4 x i32>* %N, <4 x
i32>* %O, <4 x i32>* %P, <4 x i32>* %Q, <4 x i32>* %R, <4 x i32>* %S, <4 x
i32>* %T, <4 x i32>* %U, <4 x i32>* %V, <4 x i32>* %W, <4 x i32>* %X, <4 x
i32>* %Y, <4 x i32>* %Z, <4 x i32>* %BA, <4 x i32>* %BB, <4 x i32>* %BC, <4 x
i32>* %BD, <4 x i32>* %BE, <4 x i32>* %BF, <4 x i32>* %BG, <4 x i32>* %BH, <4 x
i32>* %BI, <4 x i32>* %BJ, <4 x i32>* %BK, <4 x i32>* %BL, <4 x i32>* %BM, <4 x
i32>* %BN, <4 x i32>* %BO, <4 x i32>* %BP, <4 x i32>* %BQ, <4 x i32>* %BR, <4 x
i32>* %BS, <4 x i32>* %BT, <4 x i32>* %BU, <4 x i32>* %BV, <4 x i32>* %BW, <4 x
i32>* %BX, <4 x i32>* %BY, <4 x i32>* %BZ, <4 x i32>* %CA, <4 x i32>* %CB, <4 x
i32>* %CC, <4 x i32>* %CD, <4 x i32>* %CE, <4 x i32>* %CF, <4 x i32>* %CG, <4 x
i32>* %CH, <4 x i32>* %CI, <4 x i32>* %CJ, <4 x i32>* %CK, <4 x i32>* %CL) {
%A5 = alloca i32
%L3 = load i32, i32* %A5
%L1 = load i64, i64* undef
%d = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x i32>
zeroinitializer, <4 x i32> <i32 29, i32 82, i32 45, i32 16>
%G2 = getelementptr i32, i32* %A5, i64 %L1
%L2 = load i32, i32* %G2
%j = select <4 x i1> <i1 true, i1 false, i1 false, i1 true>, <4 x i32>
zeroinitializer, <4 x i32> <i32 46, i32 24, i32 93, i32 26>
%bm = select <4 x i1> <i1 false, i1 true, i1 true, i1 false>, <4 x i32> <i32
49, i32 14, i32 62, i32 62>, <4 x i32> <i32 35, i32 33, i32 92, i32 59>
%I4 = insertelement <4 x i32> %d, i32 %L3, i32 %L2
store <4 x i32> %d, <4 x i32>* %F
store <4 x i32> %d, <4 x i32>* %I
store <4 x i32> %j, <4 x i32>* %J
store <4 x i32> %d, <4 x i32>* %BI
store <4 x i32> %I4, <4 x i32>* %BW
store <4 x i32> %j, <4 x i32>* %CG
store <4 x i32> %j, <4 x i32>* %CJ
store <4 x i32> %bm, <4 x i32>* %CL
ret void
}
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