1; RUN: opt -S -passes=instcombine < %s | FileCheck %s 2 3target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" 4target triple = "aarch64-unknown-linux-gnu" 5 6; This test checks that instcombine does not crash while invoking 7; maskIsAllOneOrUndef, maskIsAllZeroOrUndef, or possiblyDemandedEltsInMask. 8 9; CHECK-LABEL: novel_algorithm 10; CHECK: unreachable 11define void @novel_algorithm() { 12entry: 13 %a = call <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr undef, i32 1, <vscale x 16 x i1> splat (i1 true), <vscale x 16 x i8> undef) 14 %b = add <vscale x 16 x i8> undef, %a 15 call void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8> %b, ptr undef, i32 1, <vscale x 16 x i1> splat (i1 true)) 16 unreachable 17} 18 19declare <vscale x 16 x i8> @llvm.masked.load.nxv16i8.p0(ptr, i32 immarg, <vscale x 16 x i1>, <vscale x 16 x i8>) 20 21declare void @llvm.masked.store.nxv16i8.p0(<vscale x 16 x i8>, ptr, i32 immarg, <vscale x 16 x i1>) 22