22 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 52; RUN: llc < %s -mtriple=x86_64-unknown-unknown -global-isel=1 -global-isel-abort=1 | FileCheck %s3 4; Issue #1200295define i16 @use_carry_bit(i16 %2) {6; CHECK-LABEL: use_carry_bit:7; CHECK: # %bb.0:8; CHECK-NEXT: movw $1, %ax9; CHECK-NEXT: xorl %ecx, %ecx10; CHECK-NEXT: addw %di, %ax11; CHECK-NEXT: setb %cl12; CHECK-NEXT: andl $1, %ecx13; CHECK-NEXT: cmovnew %di, %ax14; CHECK-NEXT: retq15 %uadd = call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 %2, i16 1)16 %res = extractvalue { i16, i1 } %uadd, 017 %carry = extractvalue { i16, i1 } %uadd, 118 %ret = select i1 %carry, i16 %2, i16 %res19 ret i16 %ret20}21 22