1; RUN: llc < %s -mtriple=avr | FileCheck %s 2 3define i8 @count_population(i8) unnamed_addr { 4entry-block: 5 %1 = tail call i8 @llvm.ctpop.i8(i8 %0) 6 ret i8 %1 7} 8 9declare i8 @llvm.ctpop.i8(i8) 10 11; CHECK-LABEL: count_population: 12; CHECK: mov [[SCRATCH:r[0-9]+]], [[RESULT:r[0-9]+]] 13; CHECK: lsr {{.*}}[[SCRATCH]] 14; CHECK: andi {{.*}}[[SCRATCH]], 85 15; CHECK: sub {{.*}}[[RESULT]], {{.*}}[[SCRATCH]] 16; CHECK: mov {{.*}}[[SCRATCH]], {{.*}}[[RESULT]] 17; CHECK: andi {{.*}}[[SCRATCH]], 51 18; CHECK: lsr {{.*}}[[RESULT]] 19; CHECK: lsr {{.*}}[[RESULT]] 20; CHECK: andi {{.*}}[[RESULT]], 51 21; CHECK: add {{.*}}[[RESULT]], {{.*}}[[SCRATCH]] 22; CHECK: mov {{.*}}[[SCRATCH]], {{.*}}[[RESULT]] 23; CHECK: swap {{.*}}[[SCRATCH]] 24; CHECK: add {{.*}}[[RESULT]], {{.*}}[[SCRATCH]] 25; CHECK: andi {{.*}}[[RESULT]], 15 26; CHECK: ret 27