llvm-6502/test/CodeGen/X86/fp-stack-retcopy.ll

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; This should not copy the result of foo into an xmm register.
; RUN: llc < %s -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
}