This fails due to the sun headers.

lattner · lattner · commit 59ed56e2327c · 2004-12-04T23:24:30.000Z
llvm-svn: 18510
diff --git a/llvm/test/Regression/CFrontend/2004-06-17-UnorderedCompares.c.tr b/llvm/test/Regression/CFrontend/2004-06-17-UnorderedCompares.c.tr
@@ -1,4 +1,5 @@
 // RUN: llvmgcc -xc -std=c99 %s -c -o - | llvm-dis | grep -v llvm.isunordered | not grep call
+// XFAIL: sparcv9
 
 #include <math.h>
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`// RUN: llvmgcc -xc -std=c99 %s -c -o - \| llvm-dis \| grep -v llvm.isunordered \| not grep call`
	`2`	`+// XFAIL: sparcv9`
`2`	`3`
`3`	`4`	`#include <math.h>`
`4`	`5`