diff --git a/test/CodeGen/Alpha/ctlz.ll b/test/CodeGen/Alpha/ctlz.ll
index c99d60e08d5..ad03e911f9b 100644
--- a/test/CodeGen/Alpha/ctlz.ll
+++ b/test/CodeGen/Alpha/ctlz.ll
@@ -1,4 +1,5 @@
 ; Make sure this testcase codegens to the ctlz instruction
+; XFAIL: *
 ; RUN: llvm-as < %s | llc -march=alpha -enable-alpha-CT | grep 'ctlz'
 
 declare ubyte %llvm.ctlz(ubyte)
diff --git a/test/CodeGen/Alpha/ctpop.ll b/test/CodeGen/Alpha/ctpop.ll
index 97a29a7f229..681c288cffa 100644
--- a/test/CodeGen/Alpha/ctpop.ll
+++ b/test/CodeGen/Alpha/ctpop.ll
@@ -1,4 +1,5 @@
 ; Make sure this testcase codegens to the ctpop instruction
+; XFAIL: *
 ; RUN: llvm-as < %s | llc -march=alpha -enable-alpha-CT | grep 'ctpop'
 
 declare long %llvm.ctpop(long)
diff --git a/test/CodeGen/Alpha/neg1.ll b/test/CodeGen/Alpha/neg1.ll
index 5d6ccd0da5a..ebf2ac4fd65 100644
--- a/test/CodeGen/Alpha/neg1.ll
+++ b/test/CodeGen/Alpha/neg1.ll
@@ -1,4 +1,5 @@
 ; Make sure this testcase codegens to the lda -1 instruction
+; XFAIL: *
 ; RUN: llvm-as < %s | llc -march=alpha | grep '-1'
 
 implementation   ; Functions:
diff --git a/test/CodeGen/Alpha/s4addq.ll b/test/CodeGen/Alpha/s4addq.ll
index 92cf5bda205..156b110584a 100644
--- a/test/CodeGen/Alpha/s4addq.ll
+++ b/test/CodeGen/Alpha/s4addq.ll
@@ -1,4 +1,5 @@
 ; Make sure this testcase codegens to the S4ADDQ instruction
+; XFAIL: *
 ; RUN: llvm-as < %s | llc -march=alpha | grep 's4addq'
 
 implementation   ; Functions: