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1; RUN: llc -mattr=avr6 < %s -mtriple=avr | FileCheck %s2 3define i1 @unsigned_multiplication_did_overflow(i8, i8) unnamed_addr {4; CHECK-LABEL: unsigned_multiplication_did_overflow:5entry-block:6 %2 = tail call { i8, i1 } @llvm.umul.with.overflow.i8(i8 %0, i8 %1)7 %3 = extractvalue { i8, i1 } %2, 18 ret i1 %39 10; Multiply, return if the high byte is zero11;12; CHECK: mul r{{[0-9]+}}, r{{[0-9]+}}13; CHECK: mov [[HIGH:r[0-9]+]], r114; CHECK: ldi [[RET:r[0-9]+]], 115; CHECK: cpi {{.*}}[[HIGH]], 016; CHECK: brne [[LABEL:.LBB[_0-9]+]]17; CHECK: mov {{.*}}[[RET]], r118; CHECK: {{.*}}[[LABEL]]19; CHECK: ret20}21 22declare { i8, i1 } @llvm.umul.with.overflow.i8(i8, i8)23