xref: /llvm-project/llvm/test/CodeGen/AArch64/extract-insert.ll (revision 61510b51c33464a6bc15e4cf5b1ee07e2e0ec1c9) 
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:    lsr x0, x0, #32
9; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
10; BE-NEXT:    ret
11;
12; LE-LABEL: trunc_i64_to_i32_le:
13; LE:       // %bb.0:
14; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
15; LE-NEXT:    ret
16  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
17  %bc = bitcast <2 x i64> %ins to <4 x i32>
18  %ext = extractelement <4 x i32> %bc, i32 0
19  ret i32 %ext
20}
21
22define i32 @trunc_i64_to_i32_be(i64 %x) {
23; BE-LABEL: trunc_i64_to_i32_be:
24; BE:       // %bb.0:
25; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
26; BE-NEXT:    ret
27;
28; LE-LABEL: trunc_i64_to_i32_be:
29; LE:       // %bb.0:
30; LE-NEXT:    lsr x0, x0, #32
31; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
32; LE-NEXT:    ret
33  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
34  %bc = bitcast <2 x i64> %ins to <4 x i32>
35  %ext = extractelement <4 x i32> %bc, i32 1
36  ret i32 %ext
37}
38
39define i16 @trunc_i64_to_i16_le(i64 %x) {
40; BE-LABEL: trunc_i64_to_i16_le:
41; BE:       // %bb.0:
42; BE-NEXT:    lsr x0, x0, #48
43; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
44; BE-NEXT:    ret
45;
46; LE-LABEL: trunc_i64_to_i16_le:
47; LE:       // %bb.0:
48; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
49; LE-NEXT:    ret
50  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
51  %bc = bitcast <2 x i64> %ins to <8 x i16>
52  %ext = extractelement <8 x i16> %bc, i32 0
53  ret i16 %ext
54}
55
56define i16 @trunc_i64_to_i16_be(i64 %x) {
57; BE-LABEL: trunc_i64_to_i16_be:
58; BE:       // %bb.0:
59; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
60; BE-NEXT:    ret
61;
62; LE-LABEL: trunc_i64_to_i16_be:
63; LE:       // %bb.0:
64; LE-NEXT:    lsr x0, x0, #48
65; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
66; LE-NEXT:    ret
67  %ins = insertelement <2 x i64> undef, i64 %x, i32 0
68  %bc = bitcast <2 x i64> %ins to <8 x i16>
69  %ext = extractelement <8 x i16> %bc, i32 3
70  ret i16 %ext
71}
72
73define i8 @trunc_i32_to_i8_le(i32 %x) {
74; BE-LABEL: trunc_i32_to_i8_le:
75; BE:       // %bb.0:
76; BE-NEXT:    lsr w0, w0, #24
77; BE-NEXT:    ret
78;
79; LE-LABEL: trunc_i32_to_i8_le:
80; LE:       // %bb.0:
81; LE-NEXT:    ret
82  %ins = insertelement <4 x i32> undef, i32 %x, i32 0
83  %bc = bitcast <4 x i32> %ins to <16 x i8>
84  %ext = extractelement <16 x i8> %bc, i32 0
85  ret i8 %ext
86}
87
88define i8 @trunc_i32_to_i8_be(i32 %x) {
89; BE-LABEL: trunc_i32_to_i8_be:
90; BE:       // %bb.0:
91; BE-NEXT:    ret
92;
93; LE-LABEL: trunc_i32_to_i8_be:
94; LE:       // %bb.0:
95; LE-NEXT:    lsr w0, w0, #24
96; LE-NEXT:    ret
97  %ins = insertelement <4 x i32> undef, i32 %x, i32 0
98  %bc = bitcast <4 x i32> %ins to <16 x i8>
99  %ext = extractelement <16 x i8> %bc, i32 3
100  ret i8 %ext
101}
102
103; Weird type (non-power-of-2 vector) is ok.
104
105define i8 @trunc_i64_to_i8_be(i64 %x) {
106; BE-LABEL: trunc_i64_to_i8_be:
107; BE:       // %bb.0:
108; BE-NEXT:    // kill: def $w0 killed $w0 killed $x0
109; BE-NEXT:    ret
110;
111; LE-LABEL: trunc_i64_to_i8_be:
112; LE:       // %bb.0:
113; LE-NEXT:    lsr x0, x0, #56
114; LE-NEXT:    // kill: def $w0 killed $w0 killed $x0
115; LE-NEXT:    ret
116  %ins = insertelement <3 x i64> undef, i64 %x, i32 0
117  %bc = bitcast <3 x i64> %ins to <24 x i8>
118  %ext = extractelement <24 x i8> %bc, i32 7
119  ret i8 %ext
120}
121
122