Suppress atomic(32|64).ll as XFAIL on win32 codegen. Investigating.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176798 91177308-0d34-0410-b5e6-96231b3b80d8

Author: chapuni

test/CodeGen/X86/atomic32.ll

@@ -2,6 +2,8 @@
 ; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X32
 ; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 -mattr=-cmov -verify-machineinstrs | FileCheck %s --check-prefix NOCMOV
 
+; XFAIL: cygwin,mingw32,win32
+
 @sc32 = external global i32
 
 define void @atomic_fetch_add32() nounwind {

test/CodeGen/X86/atomic64.ll

@@ -1,5 +1,7 @@
 ; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 -verify-machineinstrs | FileCheck %s --check-prefix X64
 
+; XFAIL: cygwin,mingw32,win32
+
 @sc64 = external global i64
 
 define void @atomic_fetch_add64() nounwind {