1; This should not copy the result of foo into an xmm register. 2; RUN: llc < %s -march=x86 -mcpu=yonah -mtriple=i686-apple-darwin9 | not grep xmm 3; rdar://5689903 4 5declare double @foo() 6 7define double @carg({ double, double }* byval %z) nounwind { 8entry: 9 %tmp5 = tail call double @foo() nounwind ; <double> [#uses=1] 10 ret double %tmp5 11} 12 13