llvm-project/llvm/test/MC/ARM/csdb-errors.s

// RUN: not llvm-mc -triple   armv8a-none-eabi %s 2>&1 | FileCheck %s
// RUN: not llvm-mc -triple thumbv8a-none-eabi %s 2>&1 | FileCheck %s

  it eq
  csdbeq
// CHECK: error: instruction 'csdb' is not predicable, but condition code specified
[ARM][AArch64] Add CSDB speculation barrier instruction This adds the CSDB instruction, which is a new barrier instruction described by the whitepaper at [1]. This is in encoding space which was previously executed as a NOP, so it is available for all targets that have the relevant NOP encoding space. This matches the binutils behaviour for these instructions [2][3]. [1] https://developer.arm.com/support/security-update [2] https://sourceware.org/ml/binutils/2018-01/msg00116.html [3] https://sourceware.org/ml/binutils/2018-01/msg00120.html llvm-svn: 324324 2018-02-06 17:24:47 +08:00			`// RUN: not llvm-mc -triple armv8a-none-eabi %s 2>&1 \| FileCheck %s`
			`// RUN: not llvm-mc -triple thumbv8a-none-eabi %s 2>&1 \| FileCheck %s`

			`it eq`
			`csdbeq`
			`// CHECK: error: instruction 'csdb' is not predicable, but condition code specified`