; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s define i64 @dotests_616() { ; CHECK-LABEL: dotests_616 ; CHECK: movi d0, #0000000000000000 ; CHECK-NEXT: fmov x0, d0 ; CHECK-NEXT: ret entry: %0 = bitcast <2 x i64> zeroinitializer to <8 x i16> %1 = and <8 x i16> zeroinitializer, %0 %2 = icmp ne <8 x i16> %1, zeroinitializer %3 = extractelement <8 x i1> %2, i32 2 %vgetq_lane285 = sext i1 %3 to i16 %vset_lane = insertelement <4 x i16> undef, i16 %vgetq_lane285, i32 0 %4 = bitcast <4 x i16> %vset_lane to <1 x i64> %vget_lane = extractelement <1 x i64> %4, i32 0 ret i64 %vget_lane } ; PR25763 - folding constant vector comparisons with sign-extended result define <8 x i16> @dotests_458() { ; CHECK-LABEL: dotests_458 ; CHECK: movi d0, #0x00000000ff0000 ; CHECK-NEXT: sshll v0.8h, v0.8b, #0 ; CHECK-NEXT: ret entry: %vclz_v.i = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> , i1 false) #6 %vsra_n = lshr <8 x i8> %vclz_v.i, %name_6 = or <8 x i8> %vsra_n, %cmp.i603 = icmp slt <8 x i8> %name_6, %vmovl.i4.i = sext <8 x i1> %cmp.i603 to <8 x i16> ret <8 x i16> %vmovl.i4.i } declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>, i1)