1// RUN: llvm-mc -triple aarch64 -mattr=+chk -show-encoding %s | FileCheck %s 2// RUN: llvm-mc -triple aarch64 -mattr=+v8.9a -show-encoding %s | FileCheck %s 3// RUN: llvm-mc -triple aarch64 -mattr=+v9.4a -show-encoding %s | FileCheck %s 4// RUN: llvm-mc -triple aarch64 -mattr=+v8a -show-encoding %s | FileCheck %s --check-prefix=NO-CHK 5 6// FEAT_CHK is mandatory from v8.0-a, but a clang user may not be using the LLVM 7// integrated assembler, so we cannot just print `chkfeat x16` in all 8// circumstances. Thankfully, we can always print `hint #40` when we cannot 9// print `chkfeat x16`. 10// 11// So, in this case, we only print `chkfeat x16` from v8.9-a onwards, as an 12// assembler that understands v8.9-a will understand `chkfeat x16`, and those 13// that understand previous versions may not. 14 15chkfeat x16 16// CHECK: chkfeat x16 // encoding: [0x1f,0x25,0x03,0xd5] 17// NO-CHK: hint #40 // encoding: [0x1f,0x25,0x03,0xd5] 18 19hint #40 20// CHECK: chkfeat x16 // encoding: [0x1f,0x25,0x03,0xd5] 21// NO-CHK: hint #40 // encoding: [0x1f,0x25,0x03,0xd5] 22