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// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+v9.4a < %s \
// RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=CHECK-ERROR
// RUN: llvm-mc -triple=aarch64 -filetype=obj -mattr=+v9.4a < %s \
// RUN: | llvm-objdump -d --mattr=+v9.4a - | FileCheck %s --check-prefix=CHECK-INST
// Disassemble encoding and check the re-encoding (-show-encoding) matches.
// RUN: llvm-mc -triple=aarch64 -show-encoding -mattr=+v9.4a < %s \
// RUN: | sed '/.text/d' | sed 's/.*encoding: //g' \
// RUN: | llvm-mc -triple=aarch64 -mattr=+v9.4a -disassemble -show-encoding \
// RUN: | FileCheck %s --check-prefixes=CHECK-ENCODING,CHECK-INST
ctz x0, x0
// CHECK-INST: ctz x0, x0
// CHECK-ENCODING: [0x00,0x18,0xc0,0xda]
// CHECK-ERROR: instruction requires: cssc
ctz x21, x10
// CHECK-INST: ctz x21, x10
// CHECK-ENCODING: [0x55,0x19,0xc0,0xda]
// CHECK-ERROR: instruction requires: cssc
ctz x23, x13
// CHECK-INST: ctz x23, x13
// CHECK-ENCODING: [0xb7,0x19,0xc0,0xda]
// CHECK-ERROR: instruction requires: cssc
ctz xzr, xzr
// CHECK-INST: ctz xzr, xzr
// CHECK-ENCODING: [0xff,0x1b,0xc0,0xda]
// CHECK-ERROR: instruction requires: cssc
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