; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i8 @shl_add_nuw(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @shl_add_nuw( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], 63 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = shl nuw i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, 63 %cnt = and i8 %cnt_in, 2 %r = shl i8 %amt, %cnt ret i8 %r } define i8 @shl_add_nuw_fail(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @shl_add_nuw_fail( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], 63 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 3 ; CHECK-NEXT: [[R:%.*]] = shl i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, 63 %cnt = and i8 %cnt_in, 3 %r = shl i8 %amt, %cnt ret i8 %r } define i8 @shl_add_nuw_and_nsw(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @shl_add_nuw_and_nsw( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], 31 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = shl nuw nsw i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, 31 %cnt = and i8 %cnt_in, 2 %r = shl i8 %amt, %cnt ret i8 %r } define i8 @shl_add_nsw(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @shl_add_nsw( ; CHECK-NEXT: [[AMT:%.*]] = or i8 [[AMT_IN:%.*]], -32 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = shl nsw i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = or i8 %amt_in, 224 %cnt = and i8 %cnt_in, 2 %r = shl i8 %amt, %cnt ret i8 %r } define i8 @shl_add_nsw_fail(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @shl_add_nsw_fail( ; CHECK-NEXT: [[AMT:%.*]] = or i8 [[AMT_IN:%.*]], -64 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = shl i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = or i8 %amt_in, 192 %cnt = and i8 %cnt_in, 2 %r = shl i8 %amt, %cnt ret i8 %r } define i8 @lshr_add_exact(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @lshr_add_exact( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], -4 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = lshr exact i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, -4 %cnt = and i8 %cnt_in, 2 %r = lshr i8 %amt, %cnt ret i8 %r } define i8 @lshr_add_exact_fail(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @lshr_add_exact_fail( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], -7 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, -7 %cnt = and i8 %cnt_in, 2 %r = lshr i8 %amt, %cnt ret i8 %r } define i8 @ashr_add_exact(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @ashr_add_exact( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], -14 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 1 ; CHECK-NEXT: [[R:%.*]] = ashr exact i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, -14 %cnt = and i8 %cnt_in, 1 %r = ashr i8 %amt, %cnt ret i8 %r } define i8 @ashr_add_exact_fail(i8 %amt_in, i8 %cnt_in) { ; CHECK-LABEL: @ashr_add_exact_fail( ; CHECK-NEXT: [[AMT:%.*]] = and i8 [[AMT_IN:%.*]], -14 ; CHECK-NEXT: [[CNT:%.*]] = and i8 [[CNT_IN:%.*]], 2 ; CHECK-NEXT: [[R:%.*]] = ashr i8 [[AMT]], [[CNT]] ; CHECK-NEXT: ret i8 [[R]] ; %amt = and i8 %amt_in, -14 %cnt = and i8 %cnt_in, 2 %r = ashr i8 %amt, %cnt ret i8 %r }