xref: /llvm-project/llvm/test/CodeGen/AArch64/aarch64-sysreg128.ll (revision f6947e479e14e7904aa0b2539a95f5dfdc8f9295)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple aarch64    -mattr=+d128 | FileCheck %s --check-prefixes=CHECK-LE
3; RUN: llc < %s -mtriple aarch64_be -mattr=+d128 | FileCheck %s --check-prefixes=CHECK-BE
4
5define i128 @test_rsr128() #0 {
6; CHECK-LE-LABEL: test_rsr128:
7; CHECK-LE:       // %bb.0: // %entry
8; CHECK-LE-NEXT:    mrrs x0, x1, S1_2_C3_C4_5
9; CHECK-LE-NEXT:    ret
10;
11; CHECK-BE-LABEL: test_rsr128:
12; CHECK-BE:       // %bb.0: // %entry
13; CHECK-BE-NEXT:    mrrs x2, x3, S1_2_C3_C4_5
14; CHECK-BE-NEXT:    mov x0, x3
15; CHECK-BE-NEXT:    mov x1, x2
16; CHECK-BE-NEXT:    ret
17entry:
18  %0 = call i128 @llvm.read_volatile_register.i128(metadata !1)
19  ret i128 %0
20}
21
22declare i128 @llvm.read_volatile_register.i128(metadata) #1
23
24define void @test_wsr128(i128 noundef %v) #0 {
25; CHECK-LE-LABEL: test_wsr128:
26; CHECK-LE:       // %bb.0: // %entry
27; CHECK-LE-NEXT:    // kill: def $x1 killed $x1 killed $x0_x1 def $x0_x1
28; CHECK-LE-NEXT:    // kill: def $x0 killed $x0 killed $x0_x1 def $x0_x1
29; CHECK-LE-NEXT:    msrr S1_2_C3_C4_5, x0, x1
30; CHECK-LE-NEXT:    ret
31;
32; CHECK-BE-LABEL: test_wsr128:
33; CHECK-BE:       // %bb.0: // %entry
34; CHECK-BE-NEXT:    mov x2, x1
35; CHECK-BE-NEXT:    mov x3, x0
36; CHECK-BE-NEXT:    msrr S1_2_C3_C4_5, x2, x3
37; CHECK-BE-NEXT:    ret
38entry:
39  call void @llvm.write_register.i128(metadata !1, i128 %v)
40  ret void
41}
42
43declare void @llvm.write_register.i128(metadata, i128) #1
44
45attributes #0 = { noinline nounwind }
46attributes #1 = { nounwind }
47
48!1 = !{!"1:2:3:4:5"}
49