1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=aarch64_be-- < %s | FileCheck %s --check-prefix=BE
3; RUN: llc -mtriple=aarch64--    < %s | FileCheck %s --check-prefix=LE
4
5define i32 @trunc_i64_to_i32_le(i64 %x) {
6; BE-LABEL: trunc_i64_to_i32_le:
7; BE:       // %bb.0:
8; BE-NEXT:    fmov d0, x0
9; BE-NEXT:    rev64 v0.4s, v0.4s
10; BE-NEXT:    fmov w0, s0
11; BE-NEXT:    ret
12;
13; LE-LABEL: trunc_i64_to_i32_le:
14; LE:       // %bb.0:
15; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
16; LE-NEXT:    ret
17  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
18  %bc = bitcast <2 x i64> %ins to <4 x i32>
19  %ext = extractelement <4 x i32> %bc, i32 0
20  ret i32 %ext
21}
22
23define i32 @trunc_i64_to_i32_be(i64 %x) {
24; BE-LABEL: trunc_i64_to_i32_be:
25; BE:       // %bb.0:
26; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
27; BE-NEXT:    ret
28;
29; LE-LABEL: trunc_i64_to_i32_be:
30; LE:       // %bb.0:
31; LE-NEXT:    fmov d0, x0
32; LE-NEXT:    mov w0, v0.s[1]
33; LE-NEXT:    ret
34  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
35  %bc = bitcast <2 x i64> %ins to <4 x i32>
36  %ext = extractelement <4 x i32> %bc, i32 1
37  ret i32 %ext
38}
39
40define i16 @trunc_i64_to_i16_le(i64 %x) {
41; BE-LABEL: trunc_i64_to_i16_le:
42; BE:       // %bb.0:
43; BE-NEXT:    fmov d0, x0
44; BE-NEXT:    rev64 v0.8h, v0.8h
45; BE-NEXT:    umov w0, v0.h[0]
46; BE-NEXT:    ret
47;
48; LE-LABEL: trunc_i64_to_i16_le:
49; LE:       // %bb.0:
50; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
51; LE-NEXT:    ret
52  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
53  %bc = bitcast <2 x i64> %ins to <8 x i16>
54  %ext = extractelement <8 x i16> %bc, i32 0
55  ret i16 %ext
56}
57
58define i16 @trunc_i64_to_i16_be(i64 %x) {
59; BE-LABEL: trunc_i64_to_i16_be:
60; BE:       // %bb.0:
61; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
62; BE-NEXT:    ret
63;
64; LE-LABEL: trunc_i64_to_i16_be:
65; LE:       // %bb.0:
66; LE-NEXT:    fmov d0, x0
67; LE-NEXT:    umov w0, v0.h[3]
68; LE-NEXT:    ret
69  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
70  %bc = bitcast <2 x i64> %ins to <8 x i16>
71  %ext = extractelement <8 x i16> %bc, i32 3
72  ret i16 %ext
73}
74
75define i8 @trunc_i32_to_i8_le(i32 %x) {
76; BE-LABEL: trunc_i32_to_i8_le:
77; BE:       // %bb.0:
78; BE-NEXT:    fmov s0, w0
79; BE-NEXT:    rev32 v0.16b, v0.16b
80; BE-NEXT:    umov w0, v0.b[0]
81; BE-NEXT:    ret
82;
83; LE-LABEL: trunc_i32_to_i8_le:
84; LE:       // %bb.0:
85; LE-NEXT:    ret
86  %ins = insertelement <4 x i32> undef, i32 %x, i32 0
87  %bc = bitcast <4 x i32> %ins to <16 x i8>
88  %ext = extractelement <16 x i8> %bc, i32 0
89  ret i8 %ext
90}
91
92define i8 @trunc_i32_to_i8_be(i32 %x) {
93; BE-LABEL: trunc_i32_to_i8_be:
94; BE:       // %bb.0:
95; BE-NEXT:    ret
96;
97; LE-LABEL: trunc_i32_to_i8_be:
98; LE:       // %bb.0:
99; LE-NEXT:    fmov s0, w0
100; LE-NEXT:    umov w0, v0.b[3]
101; LE-NEXT:    ret
102  %ins = insertelement <4 x i32> undef, i32 %x, i32 0
103  %bc = bitcast <4 x i32> %ins to <16 x i8>
104  %ext = extractelement <16 x i8> %bc, i32 3
105  ret i8 %ext
106}
107
108; Weird type (non-power-of-2 vector) is ok.
109
110define i8 @trunc_i64_to_i8_be(i64 %x) {
111; BE-LABEL: trunc_i64_to_i8_be:
112; BE:       // %bb.0:
113; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
114; BE-NEXT:    ret
115;
116; LE-LABEL: trunc_i64_to_i8_be:
117; LE:       // %bb.0:
118; LE-NEXT:    fmov d0, x0
119; LE-NEXT:    umov w0, v0.b[7]
120; LE-NEXT:    ret
121  %ins = insertelement <3 x i64> undef, i64 %x, i32 0
122  %bc = bitcast <3 x i64> %ins to <24 x i8>
123  %ext = extractelement <24 x i8> %bc, i32 7
124  ret i8 %ext
125}
126
127