; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s declare void @use(i8) define i8 @lshr_add(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_add( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 5 ; CHECK-NEXT: [[R2:%.*]] = add i8 [[B1]], [[Y:%.*]] ; CHECK-NEXT: [[L:%.*]] = and i8 [[R2]], -32 ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 5 %b = add i8 %r, %x %l = shl i8 %b, 5 ret i8 %l } define <2 x i8> @lshr_add_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_add_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 5, i8 5> ; CHECK-NEXT: [[R2:%.*]] = add <2 x i8> [[B1]], [[Y:%.*]] ; CHECK-NEXT: [[L:%.*]] = and <2 x i8> [[R2]], <i8 -32, i8 -32> ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 5, i8 5> %b = add <2 x i8> %x, %r %l = shl <2 x i8> %b, <i8 5, i8 5> ret <2 x i8> %l } define i8 @lshr_sub(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_sub( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: [[B:%.*]] = sub nsw i8 [[X]], [[R]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 3 %b = sub i8 %x, %r %l = shl i8 %b, 3 ret i8 %l } define <2 x i8> @lshr_sub_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_sub_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1_NEG:%.*]] = mul <2 x i8> [[X]], <i8 -8, i8 -8> ; CHECK-NEXT: [[R2:%.*]] = add <2 x i8> [[B1_NEG]], [[Y:%.*]] ; CHECK-NEXT: [[L:%.*]] = and <2 x i8> [[R2]], <i8 -8, i8 -8> ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 3, i8 3> %b = sub <2 x i8> %r, %x %l = shl <2 x i8> %b, <i8 3, i8 3> ret <2 x i8> %l } define i8 @lshr_and(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 6 ; CHECK-NEXT: [[R2:%.*]] = and i8 [[B1]], [[Y:%.*]] ; CHECK-NEXT: ret i8 [[R2]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 6 %b = and i8 %r, %x %l = shl i8 %b, 6 ret i8 %l } define <2 x i8> @lshr_and_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 6, i8 6> ; CHECK-NEXT: [[R2:%.*]] = and <2 x i8> [[B1]], [[Y:%.*]] ; CHECK-NEXT: ret <2 x i8> [[R2]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 6, i8 6> %b = and <2 x i8> %x, %r %l = shl <2 x i8> %b, <i8 6, i8 6> ret <2 x i8> %l } define i8 @lshr_or(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_or( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 4 ; CHECK-NEXT: [[Y_MASKED:%.*]] = and i8 [[Y:%.*]], -16 ; CHECK-NEXT: [[L:%.*]] = or i8 [[B1]], [[Y_MASKED]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 4 %b = or i8 %x, %r %l = shl i8 %b, 4 ret i8 %l } define <2 x i8> @lshr_or_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_or_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 4, i8 4> ; CHECK-NEXT: [[Y_MASKED:%.*]] = and <2 x i8> [[Y:%.*]], <i8 -16, i8 -16> ; CHECK-NEXT: [[L:%.*]] = or <2 x i8> [[B1]], [[Y_MASKED]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 4, i8 4> %b = or <2 x i8> %r, %x %l = shl <2 x i8> %b, <i8 4, i8 4> ret <2 x i8> %l } define i8 @lshr_xor(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_xor( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 3 ; CHECK-NEXT: [[Y_MASKED:%.*]] = and i8 [[Y:%.*]], -8 ; CHECK-NEXT: [[L:%.*]] = xor i8 [[B1]], [[Y_MASKED]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 3 %b = xor i8 %r, %x %l = shl i8 %b, 3 ret i8 %l } define <2 x i8> @lshr_xor_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_xor_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 3, i8 3> ; CHECK-NEXT: [[Y_MASKED:%.*]] = and <2 x i8> [[Y:%.*]], <i8 -8, i8 -8> ; CHECK-NEXT: [[L:%.*]] = xor <2 x i8> [[B1]], [[Y_MASKED]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 3, i8 3> %b = xor <2 x i8> %x, %r %l = shl <2 x i8> %b, <i8 3, i8 3> ret <2 x i8> %l } define i8 @lshr_add_use1(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_add_use1( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 5 ; CHECK-NEXT: call void @use(i8 [[R]]) ; CHECK-NEXT: [[B:%.*]] = add i8 [[R]], [[X:%.*]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 5 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 5 call void @use(i8 %r) %b = add i8 %r, %x %l = shl i8 %b, 5 ret i8 %l } define i8 @lshr_add_use2(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_add_use2( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 5 ; CHECK-NEXT: [[B:%.*]] = add i8 [[R]], [[X:%.*]] ; CHECK-NEXT: call void @use(i8 [[B]]) ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 5 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 5 %b = add i8 %r, %x call void @use(i8 %b) %l = shl i8 %b, 5 ret i8 %l } define i8 @lshr_and_add(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and_add( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 3 ; CHECK-NEXT: [[Y_MASK:%.*]] = and i8 [[Y:%.*]], 96 ; CHECK-NEXT: [[L:%.*]] = add i8 [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 3 %m = and i8 %r, 12 %b = add i8 %x, %m %l = shl i8 %b, 3 ret i8 %l } define <2 x i8> @lshr_and_add_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_add_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 3, i8 3> ; CHECK-NEXT: [[Y_MASK:%.*]] = and <2 x i8> [[Y:%.*]], <i8 96, i8 96> ; CHECK-NEXT: [[L:%.*]] = add <2 x i8> [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 3, i8 3> %m = and <2 x i8> %r, <i8 12, i8 12> %b = add <2 x i8> %m, %x %l = shl <2 x i8> %b, <i8 3, i8 3> ret <2 x i8> %l } define i8 @lshr_and_sub(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and_sub( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 2 ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 13 ; CHECK-NEXT: [[B:%.*]] = sub nsw i8 [[X]], [[M]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 2 ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 2 %m = and i8 %r, 13 %b = sub i8 %x, %m %l = shl i8 %b, 2 ret i8 %l } define <2 x i8> @lshr_and_sub_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_sub_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1_NEG:%.*]] = mul <2 x i8> [[X]], <i8 -4, i8 -4> ; CHECK-NEXT: [[Y_MASK:%.*]] = and <2 x i8> [[Y:%.*]], <i8 52, i8 52> ; CHECK-NEXT: [[L:%.*]] = add <2 x i8> [[B1_NEG]], [[Y_MASK]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 2, i8 2> %m = and <2 x i8> %r, <i8 13, i8 13> %b = sub <2 x i8> %m, %x %l = shl <2 x i8> %b, <i8 2, i8 2> ret <2 x i8> %l } define i8 @lshr_and_and(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and_and( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 2 ; CHECK-NEXT: [[Y_MASK:%.*]] = and i8 [[Y:%.*]], 52 ; CHECK-NEXT: [[L:%.*]] = and i8 [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 2 %m = and i8 %r, 13 %b = and i8 %m, %x %l = shl i8 %b, 2 ret i8 %l } define <2 x i8> @lshr_and_and_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_and_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 2, i8 2> ; CHECK-NEXT: [[Y_MASK:%.*]] = and <2 x i8> [[Y:%.*]], <i8 52, i8 52> ; CHECK-NEXT: [[L:%.*]] = and <2 x i8> [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 2, i8 2> %m = and <2 x i8> %r, <i8 13, i8 13> %b = and <2 x i8> %x, %m %l = shl <2 x i8> %b, <i8 2, i8 2> ret <2 x i8> %l } define i8 @lshr_and_or(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and_or( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 2 ; CHECK-NEXT: [[Y_MASK:%.*]] = and i8 [[Y:%.*]], 52 ; CHECK-NEXT: [[L:%.*]] = or i8 [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 2 %m = and i8 %r, 13 %b = or i8 %x, %m %l = shl i8 %b, 2 ret i8 %l } define <2 x i8> @lshr_and_or_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_or_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 2, i8 2> ; CHECK-NEXT: [[Y_MASK:%.*]] = and <2 x i8> [[Y:%.*]], <i8 52, i8 52> ; CHECK-NEXT: [[L:%.*]] = or <2 x i8> [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 2, i8 2> %m = and <2 x i8> %r, <i8 13, i8 13> %b = or <2 x i8> %m, %x %l = shl <2 x i8> %b, <i8 2, i8 2> ret <2 x i8> %l } define i8 @lshr_and_xor(i8 %a, i8 %y) { ; CHECK-LABEL: @lshr_and_xor( ; CHECK-NEXT: [[X:%.*]] = srem i8 [[A:%.*]], 42 ; CHECK-NEXT: [[B1:%.*]] = shl i8 [[X]], 2 ; CHECK-NEXT: [[Y_MASK:%.*]] = and i8 [[Y:%.*]], 52 ; CHECK-NEXT: [[L:%.*]] = xor i8 [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret i8 [[L]] ; %x = srem i8 %a, 42 ; thwart complexity-based canonicalization %r = lshr i8 %y, 2 %m = and i8 %r, 13 %b = xor i8 %m, %x %l = shl i8 %b, 2 ret i8 %l } define <2 x i8> @lshr_and_xor_commute_splat(<2 x i8> %a, <2 x i8> %y) { ; CHECK-LABEL: @lshr_and_xor_commute_splat( ; CHECK-NEXT: [[X:%.*]] = srem <2 x i8> [[A:%.*]], <i8 42, i8 42> ; CHECK-NEXT: [[B1:%.*]] = shl <2 x i8> [[X]], <i8 2, i8 2> ; CHECK-NEXT: [[Y_MASK:%.*]] = and <2 x i8> [[Y:%.*]], <i8 52, i8 52> ; CHECK-NEXT: [[L:%.*]] = xor <2 x i8> [[Y_MASK]], [[B1]] ; CHECK-NEXT: ret <2 x i8> [[L]] ; %x = srem <2 x i8> %a, <i8 42, i8 42> ; thwart complexity-based canonicalization %r = lshr <2 x i8> %y, <i8 2, i8 2> %m = and <2 x i8> %r, <i8 13, i8 13> %b = xor <2 x i8> %x, %m %l = shl <2 x i8> %b, <i8 2, i8 2> ret <2 x i8> %l } define i8 @lshr_and_add_use1(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use1( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: call void @use(i8 [[R]]) ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 call void @use(i8 %r) %m = and i8 %r, 12 %b = add i8 %x, %m %l = shl i8 %b, 3 ret i8 %l } define i8 @lshr_and_add_use2(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use2( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: call void @use(i8 [[M]]) ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 %m = and i8 %r, 12 call void @use(i8 %m) %b = add i8 %x, %m %l = shl i8 %b, 3 ret i8 %l } define i8 @lshr_and_add_use3(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use3( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: call void @use(i8 [[B]]) ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 %m = and i8 %r, 12 %b = add i8 %x, %m call void @use(i8 %b) %l = shl i8 %b, 3 ret i8 %l } define i8 @lshr_and_add_use4(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use4( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: call void @use(i8 [[R]]) ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: call void @use(i8 [[M]]) ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 call void @use(i8 %r) %m = and i8 %r, 12 call void @use(i8 %m) %b = add i8 %x, %m %l = shl i8 %b, 3 ret i8 %l } define i8 @lshr_and_add_use5(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use5( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: call void @use(i8 [[M]]) ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: call void @use(i8 [[B]]) ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 %m = and i8 %r, 12 call void @use(i8 %m) %b = add i8 %x, %m call void @use(i8 %b) %l = shl i8 %b, 3 ret i8 %l } define i8 @lshr_and_add_use6(i8 %x, i8 %y) { ; CHECK-LABEL: @lshr_and_add_use6( ; CHECK-NEXT: [[R:%.*]] = lshr i8 [[Y:%.*]], 3 ; CHECK-NEXT: call void @use(i8 [[R]]) ; CHECK-NEXT: [[M:%.*]] = and i8 [[R]], 12 ; CHECK-NEXT: call void @use(i8 [[M]]) ; CHECK-NEXT: [[B:%.*]] = add i8 [[M]], [[X:%.*]] ; CHECK-NEXT: [[L:%.*]] = shl i8 [[B]], 3 ; CHECK-NEXT: ret i8 [[L]] ; %r = lshr i8 %y, 3 call void @use(i8 %r) %m = and i8 %r, 12 call void @use(i8 %m) %b = add i8 %x, %m %l = shl i8 %b, 3 ret i8 %l } define <2 x i8> @lshr_add_shl_v2i8_undef(<2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @lshr_add_shl_v2i8_undef( ; CHECK-NEXT: [[A:%.*]] = lshr <2 x i8> [[Y:%.*]], <i8 5, i8 undef> ; CHECK-NEXT: [[B:%.*]] = add <2 x i8> [[A]], [[X:%.*]] ; CHECK-NEXT: [[C:%.*]] = shl <2 x i8> [[B]], <i8 undef, i8 5> ; CHECK-NEXT: ret <2 x i8> [[C]] ; %a = lshr <2 x i8> %y, <i8 5, i8 undef> %b = add <2 x i8> %a, %x %c = shl <2 x i8> %b, <i8 undef, i8 5> ret <2 x i8> %c } define <2 x i8> @lshr_add_shl_v2i8_nonuniform(<2 x i8> %x, <2 x i8> %y) { ; CHECK-LABEL: @lshr_add_shl_v2i8_nonuniform( ; CHECK-NEXT: [[A:%.*]] = lshr <2 x i8> [[Y:%.*]], <i8 5, i8 6> ; CHECK-NEXT: [[B:%.*]] = add <2 x i8> [[A]], [[X:%.*]] ; CHECK-NEXT: [[C:%.*]] = shl <2 x i8> [[B]], <i8 5, i8 6> ; CHECK-NEXT: ret <2 x i8> [[C]] ; %a = lshr <2 x i8> %y, <i8 5, i8 6> %b = add <2 x i8> %a, %x %c = shl <2 x i8> %b, <i8 5, i8 6> ret <2 x i8> %c } define i32 @lshr_add_and_shl(i32 %x, i32 %y) { ; CHECK-LABEL: @lshr_add_and_shl( ; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[Y:%.*]], 5 ; CHECK-NEXT: [[X_MASK:%.*]] = and i32 [[X:%.*]], 4064 ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[X_MASK]], [[TMP1]] ; CHECK-NEXT: ret i32 [[TMP2]] ; %1 = lshr i32 %x, 5 %2 = and i32 %1, 127 %3 = add i32 %y, %2 %4 = shl i32 %3, 5 ret i32 %4 } define <2 x i32> @lshr_add_and_shl_v2i32(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @lshr_add_and_shl_v2i32( ; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i32> [[Y:%.*]], <i32 5, i32 5> ; CHECK-NEXT: [[X_MASK:%.*]] = and <2 x i32> [[X:%.*]], <i32 4064, i32 4064> ; CHECK-NEXT: [[TMP2:%.*]] = add <2 x i32> [[X_MASK]], [[TMP1]] ; CHECK-NEXT: ret <2 x i32> [[TMP2]] ; %1 = lshr <2 x i32> %x, <i32 5, i32 5> %2 = and <2 x i32> %1, <i32 127, i32 127> %3 = add <2 x i32> %y, %2 %4 = shl <2 x i32> %3, <i32 5, i32 5> ret <2 x i32> %4 } define <2 x i32> @lshr_add_and_shl_v2i32_undef(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @lshr_add_and_shl_v2i32_undef( ; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 undef, i32 5> ; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 127, i32 127> ; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i32> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: [[TMP4:%.*]] = shl <2 x i32> [[TMP3]], <i32 5, i32 undef> ; CHECK-NEXT: ret <2 x i32> [[TMP4]] ; %1 = lshr <2 x i32> %x, <i32 undef, i32 5> %2 = and <2 x i32> %1, <i32 127, i32 127> %3 = add <2 x i32> %y, %2 %4 = shl <2 x i32> %3, <i32 5, i32 undef> ret <2 x i32> %4 } define <2 x i32> @lshr_add_and_shl_v2i32_nonuniform(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @lshr_add_and_shl_v2i32_nonuniform( ; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 5, i32 6> ; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 127, i32 255> ; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i32> [[TMP2]], [[Y:%.*]] ; CHECK-NEXT: [[TMP4:%.*]] = shl <2 x i32> [[TMP3]], <i32 5, i32 6> ; CHECK-NEXT: ret <2 x i32> [[TMP4]] ; %1 = lshr <2 x i32> %x, <i32 5, i32 6> %2 = and <2 x i32> %1, <i32 127, i32 255> %3 = add <2 x i32> %y, %2 %4 = shl <2 x i32> %3, <i32 5, i32 6> ret <2 x i32> %4 } define i32 @shl_add_and_lshr(i32 %x, i32 %y) { ; CHECK-LABEL: @shl_add_and_lshr( ; CHECK-NEXT: [[C1:%.*]] = shl i32 [[Y:%.*]], 4 ; CHECK-NEXT: [[X_MASK:%.*]] = and i32 [[X:%.*]], 128 ; CHECK-NEXT: [[D:%.*]] = add i32 [[X_MASK]], [[C1]] ; CHECK-NEXT: ret i32 [[D]] ; %a = lshr i32 %x, 4 %b = and i32 %a, 8 %c = add i32 %b, %y %d = shl i32 %c, 4 ret i32 %d } define <2 x i32> @shl_add_and_lshr_v2i32(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @shl_add_and_lshr_v2i32( ; CHECK-NEXT: [[C1:%.*]] = shl <2 x i32> [[Y:%.*]], <i32 4, i32 4> ; CHECK-NEXT: [[X_MASK:%.*]] = and <2 x i32> [[X:%.*]], <i32 128, i32 128> ; CHECK-NEXT: [[D:%.*]] = add <2 x i32> [[X_MASK]], [[C1]] ; CHECK-NEXT: ret <2 x i32> [[D]] ; %a = lshr <2 x i32> %x, <i32 4, i32 4> %b = and <2 x i32> %a, <i32 8, i32 8> %c = add <2 x i32> %b, %y %d = shl <2 x i32> %c, <i32 4, i32 4> ret <2 x i32> %d } define <2 x i32> @shl_add_and_lshr_v2i32_undef(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @shl_add_and_lshr_v2i32_undef( ; CHECK-NEXT: [[A:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 4, i32 undef> ; CHECK-NEXT: [[B:%.*]] = and <2 x i32> [[A]], <i32 8, i32 undef> ; CHECK-NEXT: [[C:%.*]] = add <2 x i32> [[B]], [[Y:%.*]] ; CHECK-NEXT: [[D:%.*]] = shl <2 x i32> [[C]], <i32 4, i32 undef> ; CHECK-NEXT: ret <2 x i32> [[D]] ; %a = lshr <2 x i32> %x, <i32 4, i32 undef> %b = and <2 x i32> %a, <i32 8, i32 undef> %c = add <2 x i32> %b, %y %d = shl <2 x i32> %c, <i32 4, i32 undef> ret <2 x i32> %d } define <2 x i32> @shl_add_and_lshr_v2i32_nonuniform(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @shl_add_and_lshr_v2i32_nonuniform( ; CHECK-NEXT: [[A:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 4, i32 5> ; CHECK-NEXT: [[B:%.*]] = and <2 x i32> [[A]], <i32 8, i32 9> ; CHECK-NEXT: [[C:%.*]] = add <2 x i32> [[B]], [[Y:%.*]] ; CHECK-NEXT: [[D:%.*]] = shl <2 x i32> [[C]], <i32 4, i32 5> ; CHECK-NEXT: ret <2 x i32> [[D]] ; %a = lshr <2 x i32> %x, <i32 4, i32 5> %b = and <2 x i32> %a, <i32 8, i32 9> %c = add <2 x i32> %b, %y %d = shl <2 x i32> %c, <i32 4, i32 5> ret <2 x i32> %d } define <4 x i32> @test_FoldShiftByConstant_CreateSHL(<4 x i32> %in) { ; CHECK-LABEL: @test_FoldShiftByConstant_CreateSHL( ; CHECK-NEXT: [[VSHL_N:%.*]] = mul <4 x i32> [[IN:%.*]], <i32 0, i32 -32, i32 0, i32 -32> ; CHECK-NEXT: ret <4 x i32> [[VSHL_N]] ; %mul.i = mul <4 x i32> %in, <i32 0, i32 -1, i32 0, i32 -1> %vshl_n = shl <4 x i32> %mul.i, <i32 5, i32 5, i32 5, i32 5> ret <4 x i32> %vshl_n } define <8 x i16> @test_FoldShiftByConstant_CreateSHL2(<8 x i16> %in) { ; CHECK-LABEL: @test_FoldShiftByConstant_CreateSHL2( ; CHECK-NEXT: [[VSHL_N:%.*]] = mul <8 x i16> [[IN:%.*]], <i16 0, i16 -32, i16 0, i16 -32, i16 0, i16 -32, i16 0, i16 -32> ; CHECK-NEXT: ret <8 x i16> [[VSHL_N]] ; %mul.i = mul <8 x i16> %in, <i16 0, i16 -1, i16 0, i16 -1, i16 0, i16 -1, i16 0, i16 -1> %vshl_n = shl <8 x i16> %mul.i, <i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5, i16 5> ret <8 x i16> %vshl_n } define <16 x i8> @test_FoldShiftByConstant_CreateAnd(<16 x i8> %in0) { ; CHECK-LABEL: @test_FoldShiftByConstant_CreateAnd( ; CHECK-NEXT: [[TMP1:%.*]] = mul <16 x i8> [[IN0:%.*]], <i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33, i8 33> ; CHECK-NEXT: [[VSHL_N:%.*]] = and <16 x i8> [[TMP1]], <i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32, i8 -32> ; CHECK-NEXT: ret <16 x i8> [[VSHL_N]] ; %vsra_n = ashr <16 x i8> %in0, <i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5> %tmp = add <16 x i8> %in0, %vsra_n %vshl_n = shl <16 x i8> %tmp, <i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5, i8 5> ret <16 x i8> %vshl_n }