fix label

Author: mattarde

llvm/test/CodeGen/X86/isel-fabs.ll

@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc < %s -mtriple=x86_64-- -mattr=-x87 | FileCheck %s --check-prefixes=X64
-; RUN: llc < %s -mtriple=x86_64-- -mattr=-x87 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64,FASTISEL-X64
+; RUN: llc < %s -mtriple=x86_64-- -mattr=-x87 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64
 ; RUN: llc < %s -mtriple=i686-- -mattr=-x87 | FileCheck %s --check-prefixes=X86
 ; RUN: llc < %s -mtriple=i686-- -mattr=-x87 -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=FASTISEL-X86