1; RUN: llc < %s -march=x86 | grep rdtsc
2; RUN: llc < %s -march=x86-64 | grep rdtsc
3declare i64 @llvm.readcyclecounter()
4
5define i64 @foo() {
6	%tmp.1 = call i64 @llvm.readcyclecounter( )		; <i64> [#uses=1]
7	ret i64 %tmp.1
8}
9