Allow for depencendy-breaking instructions before cvt*.

This should unbreak clang-x86_64-darwin10-RA, but I can't actually
reproduce the failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/isint.ll b/test/CodeGen/X86/isint.ll
index 4a98e63..1edb1c9 100644
--- a/test/CodeGen/X86/isint.ll
+++ b/test/CodeGen/X86/isint.ll
@@ -19,7 +19,7 @@
 define void @isint_branch(double %d) nounwind {
 ; CHECK: cvt
   %i = fptosi double %d to i32
-; CHECK-NEXT: cvt
+; CHECK: cvt
   %e = sitofp i32 %i to double
 ; CHECK: ucomisd
   %c = fcmp oeq double %d, %e