1 ; RUN: llc < %s -march=bpf -show-mc-encoding | FileCheck %s
2 ; test little endian only for now
4 define void @test() #0 {
8 ; CHECK: mov r1, 123 # encoding: [0xb7,0x01,0x00,0x00,0x7b,0x00,0x00,0x00]
10 call void @f_i16(i16 123)
12 ; CHECK: mov r1, 12345678 # encoding: [0xb7,0x01,0x00,0x00,0x4e,0x61,0xbc,0x00]
14 call void @f_i32(i32 12345678)
16 ; CHECK: ld_64 r1, 72623859790382856 # encoding: [0x18,0x01,0x00,0x00,0x08,0x07,0x06,0x05,0x00,0x00,0x00,0x00,0x04,0x03,0x02,0x01]
18 call void @f_i64(i64 72623859790382856)
22 ; CHECK: call f_i32_i32
23 call void @f_i32_i32(i32 1234, i32 5678)
28 ; CHECK: call f_i16_i32_i16
29 call void @f_i16_i32_i16(i16 2, i32 3, i16 4)
32 ; CHECK: ld_64 r2, 7262385979038285
34 ; CHECK: call f_i16_i64_i16
35 call void @f_i16_i64_i16(i16 5, i64 7262385979038285, i16 6)
40 @g_i16 = common global i16 0, align 2
41 @g_i32 = common global i32 0, align 2
42 @g_i64 = common global i64 0, align 4
44 define void @f_i16(i16 %a) #0 {
46 ; CHECK: sth 0(r2), r1 # encoding: [0x6b,0x12,0x00,0x00,0x00,0x00,0x00,0x00]
47 store volatile i16 %a, i16* @g_i16, align 2
51 define void @f_i32(i32 %a) #0 {
53 ; CHECK: sth 0(r2), r1 # encoding: [0x6b,0x12,0x00,0x00,0x00,0x00,0x00,0x00]
54 ; CHECK: sth 2(r2), r1 # encoding: [0x6b,0x12,0x02,0x00,0x00,0x00,0x00,0x00]
55 store volatile i32 %a, i32* @g_i32, align 2
59 define void @f_i64(i64 %a) #0 {
61 ; CHECK: stw 0(r2), r1
62 ; CHECK: stw 4(r2), r1 # encoding: [0x63,0x12,0x04,0x00,0x00,0x00,0x00,0x00]
63 store volatile i64 %a, i64* @g_i64, align 2
67 define void @f_i32_i32(i32 %a, i32 %b) #0 {
69 ; CHECK: stw 0(r3), r1
70 store volatile i32 %a, i32* @g_i32, align 4
71 ; CHECK: stw 0(r3), r2
72 store volatile i32 %b, i32* @g_i32, align 4
76 define void @f_i16_i32_i16(i16 %a, i32 %b, i16 %c) #0 {
77 ; CHECK: f_i16_i32_i16:
78 ; CHECK: sth 0(r4), r1
79 store volatile i16 %a, i16* @g_i16, align 2
80 ; CHECK: stw 0(r1), r2
81 store volatile i32 %b, i32* @g_i32, align 4
82 ; CHECK: sth 0(r4), r3
83 store volatile i16 %c, i16* @g_i16, align 2
87 define void @f_i16_i64_i16(i16 %a, i64 %b, i16 %c) #0 {
88 ; CHECK: f_i16_i64_i16:
89 ; CHECK: sth 0(r4), r1
90 store volatile i16 %a, i16* @g_i16, align 2
91 ; CHECK: std 0(r1), r2 # encoding: [0x7b,0x21,0x00,0x00,0x00,0x00,0x00,0x00]
92 store volatile i64 %b, i64* @g_i64, align 8
93 ; CHECK: sth 0(r4), r3
94 store volatile i16 %c, i16* @g_i16, align 2