1; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
2
3define i64 @dotests_616() {
4; CHECK-LABEL: dotests_616
5; CHECK:       mov x0, xzr
6; CHECK-NEXT:  ret
7entry:
8  %0 = bitcast <2 x i64> zeroinitializer to <8 x i16>
9  %1 = and <8 x i16> zeroinitializer, %0
10  %2 = icmp ne <8 x i16> %1, zeroinitializer
11  %3 = extractelement <8 x i1> %2, i32 2
12  %vgetq_lane285 = sext i1 %3 to i16
13  %vset_lane = insertelement <4 x i16> undef, i16 %vgetq_lane285, i32 0
14  %4 = bitcast <4 x i16> %vset_lane to <1 x i64>
15  %vget_lane = extractelement <1 x i64> %4, i32 0
16  ret i64 %vget_lane
17}
18
19; PR25763 - folding constant vector comparisons with sign-extended result
20define <8 x i16> @dotests_458() {
21; CHECK-LABEL: .LCPI1_0:
22; CHECK:       .hword  0                       // 0x0
23; CHECK-NEXT:  .hword  0                       // 0x0
24; CHECK-NEXT:  .hword  65535                   // 0xffff
25; CHECK-NEXT:  .hword  0                       // 0x0
26; CHECK-NEXT:  .hword  0                       // 0x0
27; CHECK-NEXT:  .hword  0                       // 0x0
28; CHECK-NEXT:  .hword  0                       // 0x0
29; CHECK-NEXT:  .hword  0                       // 0x0
30
31; CHECK-LABEL: dotests_458
32; CHECK:       adrp    x8, .LCPI1_0
33; CHECK-NEXT:  ldr     q0, [x8, :lo12:.LCPI1_0]
34; CHECK-NEXT:  ret
35entry:
36  %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
37  %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>
38  %name_6 = or <8 x i8> %vsra_n, <i8 127, i8 -128, i8 -1, i8 67, i8 84, i8 127, i8 -1, i8 0>
39  %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>
40  %vmovl.i4.i = sext <8 x i1> %cmp.i603 to <8 x i16>
41  ret <8 x i16> %vmovl.i4.i
42}
43declare <8 x i8> @llvm.ctlz.v8i8(<8 x i8>, i1)
44