; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s define i1 @unsigned_multiplication_did_overflow(i8, i8) unnamed_addr { ; CHECK-LABEL: unsigned_multiplication_did_overflow: entry-block: %2 = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %0, i8 %1) %3 = extractvalue { i8, i1 } %2, 1 ret i1 %3 ; Multiply, return if the high byte is zero ; ; CHECK: mul r{{[0-9]+}}, r{{[0-9]+}} ; CHECK: mov [[HIGH:r[0-9]+]], r1 ; CHECK: ldi [[RET:r[0-9]+]], 1 ; CHECK: cpi {{.*}}[[HIGH]], 0 ; CHECK: brne [[LABEL:.LBB[_0-9]+]] ; CHECK: mov {{.*}}[[RET]], r1 ; CHECK: {{.*}}[[LABEL]] ; CHECK: ret } declare { i8, i1 } @llvm.umul.with.overflow.i8(i8, i8)