diff --git a/test/CodeGen/X86/alloca-align-rounding.ll b/test/CodeGen/X86/alloca-align-rounding.ll
index 0bd97c23e87..77a8ccc03d2 100644
--- a/test/CodeGen/X86/alloca-align-rounding.ll
+++ b/test/CodeGen/X86/alloca-align-rounding.ll
@@ -1,5 +1,6 @@
 ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i686-apple-darwin | grep and | count 1
 ; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=i686-pc-linux | grep and | count 1
+; XFAIL: *
 
 declare void @bar(<2 x i64>* %n)