1 ; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s 2 3 define i64 @dotests_616() { 4 ; CHECK-LABEL: dotests_616 5 ; CHECK: movi d0, #0000000000000000 6 ; CHECK-NEXT: fmov x0, d0 7 ; CHECK-NEXT: ret 8 entry: 9 %0 = bitcast <2 x i64> zeroinitializer to <8 x i16> 10 %1 = and <8 x i16> zeroinitializer, %0 11 %2 = icmp ne <8 x i16> %1, zeroinitializer 12 %3 = extractelement <8 x i1> %2, i32 2 13 %vgetq_lane285 = sext i1 %3 to i16 14 %vset_lane = insertelement <4 x i16> undef, i16 %vgetq_lane285, i32 0 15 %4 = bitcast <4 x i16> %vset_lane to <1 x i64> 16 %vget_lane = extractelement <1 x i64> %4, i32 0 17 ret i64 %vget_lane 18 } 19 20 ; PR25763 - folding constant vector comparisons with sign-extended result 21 define <8 x i16> @dotests_458() { 22 ; CHECK-LABEL: dotests_458 23 ; CHECK: movi d0, #0x00000000ff0000 24 ; CHECK-NEXT: sshll v0.8h, v0.8b, #0 25 ; CHECK-NEXT: ret 26 entry: 27 %vclz_v.i = call <8 x i8> @llvm.ctlz.v8i8(<8 x i8> <i8 127, i8 38, i8 -1, i8 -128, i8 127, i8 0, i8 0, i8 0>, i1 false) #6 28 %vsra_n = lshr <8 x i8> %vclz_v.i, <i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5> 29 %name_6 = or <8 x i8> %vsra_n, <i8 127, i8 -128, i8 -1, i8 67, i8 84, i8 127, i8 -1, i8 0> 30 %cmp.i603 = icmp slt <8 x i8> %name_6, <i8 -57, i8 -128, i8 127, i8 -128, i8 -1, i8 0, i8 -1, i8 -1> 31 %vmovl.i4.i = sext <8 x i1> %cmp.i603 to <8 x i16> 32 ret <8 x i16> %vmovl.i4.i 33 } 34 declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>, i1) 35
