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