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+; This should not copy the result of foo into an xmm register.
+; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah -mtriple=i686-apple-darwin9 | not grep xmm
+; rdar://5689903
+
+declare double @foo()
+
+define double @carg({ double, double }* byval %z) nounwind {
+entry:
+ %tmp5 = tail call double @foo() nounwind ; <double> [#uses=1]
+ ret double %tmp5
+}
+