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; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | grep rdtsc &&
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86-64 | grep rdtsc
declare ulong %llvm.readcyclecounter()
ulong %foo() {
%tmp.1 = call ulong %llvm.readcyclecounter ()
ret ulong %tmp.1
}
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