| // RUN: llvm-mc -triple x86_64-unknown-unknown -defsym=ERR=0 %s -o - | FileCheck %s | |
| // RUN: not llvm-mc -triple x86_64-unknown-unknown -defsym=ERR=1 %s -o - 2>&1 | FileCheck --check-prefix=ERR %s | |
| // CHECK-NOT: .set var_xdata | |
| var_xdata = %rcx | |
| // CHECK: xorq %rcx, %rcx | |
| xorq var_xdata, var_xdata | |
| .if (ERR==1) | |
| // ERR: [[@LINE+2]]:15: error: unknown token in expression in '.set' directive | |
| // ERR: [[@LINE+1]]:15: error: missing expression in '.set' directive | |
| .set err_var, %rcx | |
| .endif | |