; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=instsimplify < %s -S | FileCheck %s declare void @llvm.assume(i1) declare i8 @llvm.abs.i8(i8, i1) declare i8 @llvm.bitreverse.i8(i8) declare i16 @llvm.bswap.i16(i16) declare i8 @llvm.ctpop.i8(i8) declare <2 x i8> @llvm.uadd.sat.2xi8(<2 x i8>, <2 x i8>) declare i8 @llvm.uadd.sat.i8(i8, i8) declare i8 @llvm.fshr.i8(i8, i8, i8) declare i8 @llvm.fshl.i8(i8, i8, i8) declare i8 @llvm.ctlz.i8(i8, i1) declare i8 @llvm.cttz.i8(i8, i1) declare i8 @llvm.sadd.sat.i8(i8, i8) declare i8 @llvm.smax.i8(i8, i8) declare i8 @llvm.smin.i8(i8, i8) declare i8 @llvm.sshl.sat.i8(i8, i8) declare i8 @llvm.ssub.sat.i8(i8, i8) declare i8 @llvm.umax.i8(i8, i8) declare i8 @llvm.umin.i8(i8, i8) declare i8 @llvm.ushl.sat.i8(i8, i8) declare i8 @llvm.usub.sat.i8(i8, i8) declare float @llvm.maximum.f32(float, float) ;; Throughout use: X > Y || Y == 0 which folds to X > Y iff X known ;; non-zero. Do this because many of the expressions already have ;; hardcoded cases for folding Foo(X) == 0 -> X == 0 and we want to ;; test explicitly that `isKnownNonZero` works. define i1 @check_neg(i8 %x, i8 %y) { ; CHECK-LABEL: @check_neg( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) ; CHECK-NEXT: [[Z:%.*]] = sub i8 0, [[X]] ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; %ne = icmp ne i8 %x, 0 call void @llvm.assume(i1 %ne) %z = sub i8 0, %x %cmp0 = icmp ugt i8 %z, %y %cmp1 = icmp eq i8 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r } define i1 @check_abs(i8 %x, i8 %y) { ; CHECK-LABEL: @check_abs( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: br i1 [[NE]], label [[TRUE:%.*]], label [[FALSE:%.*]] ; CHECK: true: ; CHECK-NEXT: [[Z:%.*]] = call i8 @llvm.abs.i8(i8 [[X]], i1 true) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; CHECK: false: ; CHECK-NEXT: ret i1 [[NE]] ; %ne = icmp ne i8 %x, 0 br i1 %ne, label %true, label %false true: %z = call i8 @llvm.abs.i8(i8 %x, i1 true) %cmp0 = icmp ugt i8 %z, %y %cmp1 = icmp eq i8 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r false: ret i1 %ne } define i1 @check_abs_failish(i8 %x, i8 %y) { ; CHECK-LABEL: @check_abs_failish( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: br i1 [[NE]], label [[TRUE:%.*]], label [[FALSE:%.*]] ; CHECK: false: ; CHECK-NEXT: [[Z:%.*]] = call i8 @llvm.abs.i8(i8 [[X]], i1 true) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[Y:%.*]] ; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i8 [[Y]], 0 ; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP0]], [[CMP1]] ; CHECK-NEXT: ret i1 [[R]] ; CHECK: true: ; CHECK-NEXT: ret i1 [[NE]] ; %ne = icmp ne i8 %x, 0 br i1 %ne, label %true, label %false false: %z = call i8 @llvm.abs.i8(i8 %x, i1 true) %cmp0 = icmp ugt i8 %z, %y %cmp1 = icmp eq i8 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r true: ret i1 %ne } define i1 @check_bitreverse(i8 %x, i8 %y) { ; CHECK-LABEL: @check_bitreverse( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) ; CHECK-NEXT: [[Z:%.*]] = call i8 @llvm.bitreverse.i8(i8 [[X]]) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; %ne = icmp ne i8 %x, 0 call void @llvm.assume(i1 %ne) %z = call i8 @llvm.bitreverse.i8(i8 %x) %cmp0 = icmp ugt i8 %z, %y %cmp1 = icmp eq i8 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r } define i1 @check_bswap(i16 %x, i16 %y) { ; CHECK-LABEL: @check_bswap( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i16 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) ; CHECK-NEXT: [[Z:%.*]] = call i16 @llvm.bswap.i16(i16 [[X]]) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i16 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; %ne = icmp ne i16 %x, 0 call void @llvm.assume(i1 %ne) %z = call i16 @llvm.bswap.i16(i16 %x) %cmp0 = icmp ugt i16 %z, %y %cmp1 = icmp eq i16 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r } define i1 @check_ctpop(i8 %x, i8 %y) { ; CHECK-LABEL: @check_ctpop( ; CHECK-NEXT: [[NE:%.*]] = icmp eq i8 [[X:%.*]], 0 ; CHECK-NEXT: br i1 [[NE]], label [[TRUE:%.*]], label [[FALSE:%.*]] ; CHECK: true: ; CHECK-NEXT: ret i1 [[NE]] ; CHECK: false: ; CHECK-NEXT: [[Z:%.*]] = call i8 @llvm.ctpop.i8(i8 [[X]]) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; %ne = icmp eq i8 %x, 0 br i1 %ne, label %true, label %false true: ret i1 %ne false: %z = call i8 @llvm.ctpop.i8(i8 %x) %cmp0 = icmp ugt i8 %z, %y %cmp1 = icmp eq i8 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r } define i1 @check_add_sat(i8 %x, i8 %y, i8 %w) { ; CHECK-LABEL: @check_add_sat( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) ; CHECK-NEXT: [[Z:%.*]] = call i8 @llvm.uadd.sat.i8(i8 [[X]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i8 [[Z]], [[W:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; %ne = icmp ne i8 %x, 0 call void @llvm.assume(i1 %ne) %z = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %y) %cmp0 = icmp ugt i8 %z, %w %cmp1 = icmp eq i8 %w, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r } define <2 x i1> @check_add_sat_vec(<2 x i8> %x, <2 x i8> %y, <2 x i8> %w) { ; CHECK-LABEL: @check_add_sat_vec( ; CHECK-NEXT: [[YNZ:%.*]] = or <2 x i8> [[Y:%.*]], ; CHECK-NEXT: [[Z:%.*]] = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> [[X:%.*]], <2 x i8> [[YNZ]]) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt <2 x i8> [[Z]], [[W:%.*]] ; CHECK-NEXT: ret <2 x i1> [[CMP0]] ; %ynz = or <2 x i8> %y, %z = call <2 x i8> @llvm.uadd.sat.2xi8(<2 x i8> %x, <2 x i8> %ynz) %cmp0 = icmp ugt <2 x i8> %z, %w %cmp1 = icmp eq <2 x i8> %w, %r = or <2 x i1> %cmp0, %cmp1 ret <2 x i1> %r } define <2 x i1> @shl_nz_bounded_cnt_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @shl_nz_bounded_cnt_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %cnt = and <2 x i32> %x, %val = or <2 x i32> %y, %shl = shl <2 x i32> %val, %cnt %r = icmp eq <2 x i32> %shl, zeroinitializer ret <2 x i1> %r } define i1 @shl_nz_bounded_cnt(i32 %cnt, i32 %y) { ; CHECK-LABEL: @shl_nz_bounded_cnt( ; CHECK-NEXT: [[CNT_ULT4:%.*]] = icmp ult i32 [[CNT:%.*]], 4 ; CHECK-NEXT: call void @llvm.assume(i1 [[CNT_ULT4]]) ; CHECK-NEXT: ret i1 false ; %cnt_ult4 = icmp ult i32 %cnt, 4 call void @llvm.assume(i1 %cnt_ult4) %val = or i32 %y, 131072 %shl = shl i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define <2 x i1> @shl_nz_bounded_cnt_vec_todo_no_common_bit(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @shl_nz_bounded_cnt_vec_todo_no_common_bit( ; CHECK-NEXT: [[CNT:%.*]] = and <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[VAL:%.*]] = or <2 x i32> [[Y:%.*]], ; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i32> [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i32> [[SHL]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %cnt = and <2 x i32> %x, %val = or <2 x i32> %y, %shl = shl <2 x i32> %val, %cnt %r = icmp eq <2 x i32> %shl, zeroinitializer ret <2 x i1> %r } define i1 @shl_maybe_zero_bounded_cnt_fail(i32 %x, i32 %y) { ; CHECK-LABEL: @shl_maybe_zero_bounded_cnt_fail( ; CHECK-NEXT: [[CNT:%.*]] = and i32 [[X:%.*]], 16 ; CHECK-NEXT: [[VAL:%.*]] = or i32 [[Y:%.*]], 65536 ; CHECK-NEXT: [[SHL:%.*]] = shl i32 [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[SHL]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %cnt = and i32 %x, 16 %val = or i32 %y, 65536 %shl = shl i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @shl_non_zero_nsw(i8 %s, i8 %cnt) { ; CHECK-LABEL: @shl_non_zero_nsw( ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i8 [[S:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NZ]]) ; CHECK-NEXT: ret i1 false ; %nz = icmp ne i8 %s, 0 call void @llvm.assume(i1 %nz) %v = shl nsw i8 %s, %cnt %r = icmp eq i8 %v, 0 ret i1 %r } define i1 @shl_maybe_zero_nsw_fail(i8 %s, i8 %cnt) { ; CHECK-LABEL: @shl_maybe_zero_nsw_fail( ; CHECK-NEXT: [[V:%.*]] = shl nsw i8 [[S:%.*]], [[CNT:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[V]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %v = shl nsw i8 %s, %cnt %r = icmp eq i8 %v, 0 ret i1 %r } define i1 @shl_out_of_range_is_poison(i32 %v, i32 %c) { ; CHECK-LABEL: @shl_out_of_range_is_poison( ; CHECK-NEXT: ret i1 poison ; %sval = or i32 %v, 32 %shl = shl i32 %c, %sval %z = icmp eq i32 %shl, 0 ret i1 %z } define i1 @lshr_nz_bounded_cnt(i32 %cnt, i32 %y) { ; CHECK-LABEL: @lshr_nz_bounded_cnt( ; CHECK-NEXT: [[CNT_ULT4:%.*]] = icmp ult i32 [[CNT:%.*]], 4 ; CHECK-NEXT: call void @llvm.assume(i1 [[CNT_ULT4]]) ; CHECK-NEXT: ret i1 false ; %cnt_ult4 = icmp ult i32 %cnt, 4 call void @llvm.assume(i1 %cnt_ult4) %val = or i32 %y, 90 %shl = lshr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define <2 x i1> @ashr_nz_bounded_cnt_vec(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @ashr_nz_bounded_cnt_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %cnt = and <2 x i32> %x, %val = or <2 x i32> %y, %shl = ashr <2 x i32> %val, %cnt %r = icmp eq <2 x i32> %shl, zeroinitializer ret <2 x i1> %r } define i1 @lshr_nz_bounded_cnt_fail(i32 %cnt, i32 %y) { ; CHECK-LABEL: @lshr_nz_bounded_cnt_fail( ; CHECK-NEXT: [[CNT_ULT:%.*]] = icmp ult i32 [[CNT:%.*]], 20 ; CHECK-NEXT: call void @llvm.assume(i1 [[CNT_ULT]]) ; CHECK-NEXT: [[VAL:%.*]] = or i32 [[Y:%.*]], 131072 ; CHECK-NEXT: [[SHL:%.*]] = lshr i32 [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[SHL]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %cnt_ult = icmp ult i32 %cnt, 20 call void @llvm.assume(i1 %cnt_ult) %val = or i32 %y, 131072 %shl = lshr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define <2 x i1> @ashr_nz_bounded_cnt_vec_fail(<2 x i32> %x, <2 x i32> %y) { ; CHECK-LABEL: @ashr_nz_bounded_cnt_vec_fail( ; CHECK-NEXT: [[CNT:%.*]] = and <2 x i32> [[X:%.*]], ; CHECK-NEXT: [[VAL:%.*]] = or <2 x i32> [[Y:%.*]], ; CHECK-NEXT: [[SHL:%.*]] = ashr <2 x i32> [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i32> [[SHL]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %cnt = and <2 x i32> %x, %val = or <2 x i32> %y, %shl = ashr <2 x i32> %val, %cnt %r = icmp eq <2 x i32> %shl, zeroinitializer ret <2 x i1> %r } define i1 @lshr_nonzero_and_shift_out_zeros(i32 %cnt, i32 %y) { ; CHECK-LABEL: @lshr_nonzero_and_shift_out_zeros( ; CHECK-NEXT: [[CNT_ULT:%.*]] = icmp ult i32 [[CNT:%.*]], 4 ; CHECK-NEXT: call void @llvm.assume(i1 [[CNT_ULT]]) ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], -131072 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: ret i1 false ; %cnt_ult = icmp ult i32 %cnt, 4 call void @llvm.assume(i1 %cnt_ult) %val = and i32 %y, -131072 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = lshr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @ashr_nonzero_and_shift_out_zeros(i32 %ccnt, i32 %y) { ; CHECK-LABEL: @ashr_nonzero_and_shift_out_zeros( ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], -131072 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: ret i1 false ; %cnt = and i32 %ccnt, 7 %val = and i32 %y, -131072 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = ashr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @shl_nonzero_and_shift_out_zeros(i32 %ccnt, i32 %y) { ; CHECK-LABEL: @shl_nonzero_and_shift_out_zeros( ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], 131071 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: ret i1 false ; %cnt = and i32 %ccnt, 6 %val = and i32 %y, 131071 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = shl i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @lshr_nonzero_and_shift_out_zeros_fail(i32 %cnt, i32 %y) { ; CHECK-LABEL: @lshr_nonzero_and_shift_out_zeros_fail( ; CHECK-NEXT: [[CNT_ULT:%.*]] = icmp ult i32 [[CNT:%.*]], 19 ; CHECK-NEXT: call void @llvm.assume(i1 [[CNT_ULT]]) ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], -131072 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: [[SHL:%.*]] = lshr i32 [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[SHL]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %cnt_ult = icmp ult i32 %cnt, 19 call void @llvm.assume(i1 %cnt_ult) %val = and i32 %y, -131072 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = lshr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @ashr_nonzero_and_shift_out_zeros_fail(i32 %ccnt, i32 %y) { ; CHECK-LABEL: @ashr_nonzero_and_shift_out_zeros_fail( ; CHECK-NEXT: [[CNT:%.*]] = and i32 [[CCNT:%.*]], 18 ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], -131072 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: [[SHL:%.*]] = ashr i32 [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[SHL]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %cnt = and i32 %ccnt, 18 %val = and i32 %y, -131072 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = ashr i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @shl_nonzero_and_shift_out_zeros_fail(i32 %ccnt, i32 %y) { ; CHECK-LABEL: @shl_nonzero_and_shift_out_zeros_fail( ; CHECK-NEXT: [[CNT:%.*]] = and i32 [[CCNT:%.*]], 6 ; CHECK-NEXT: [[VAL:%.*]] = and i32 [[Y:%.*]], 268435455 ; CHECK-NEXT: [[VAL_NZ:%.*]] = icmp ne i32 [[VAL]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[VAL_NZ]]) ; CHECK-NEXT: [[SHL:%.*]] = shl i32 [[VAL]], [[CNT]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[SHL]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %cnt = and i32 %ccnt, 6 %val = and i32 %y, 268435455 %val_nz = icmp ne i32 %val, 0 call void @llvm.assume(i1 %val_nz) %shl = shl i32 %val, %cnt %r = icmp eq i32 %shl, 0 ret i1 %r } define i1 @sub_nonzero_ops_ne(i8 %xx, i8 %yy, i8 %z) { ; CHECK-LABEL: @sub_nonzero_ops_ne( ; CHECK-NEXT: ret i1 false ; %x = and i8 %xx, 191 %y = or i8 %yy, 64 %s = sub i8 %x, %y %exp = or i8 %z, %s %r = icmp eq i8 %exp, 0 ret i1 %r } define i1 @sub_nonzero_ops_ne_fail(i8 %xx, i8 %yy, i8 %z) { ; CHECK-LABEL: @sub_nonzero_ops_ne_fail( ; CHECK-NEXT: [[X:%.*]] = and i8 [[XX:%.*]], -64 ; CHECK-NEXT: [[Y:%.*]] = or i8 [[YY:%.*]], 64 ; CHECK-NEXT: [[S:%.*]] = sub i8 [[X]], [[Y]] ; CHECK-NEXT: [[EXP:%.*]] = or i8 [[Z:%.*]], [[S]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[EXP]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x = and i8 %xx, 192 %y = or i8 %yy, 64 %s = sub i8 %x, %y %exp = or i8 %z, %s %r = icmp eq i8 %exp, 0 ret i1 %r } define i1 @add_nonzero_nuw(i8 %x, i8 %y) { ; CHECK-LABEL: @add_nonzero_nuw( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %x, 0 call void @llvm.assume(i1 %x_nz) %a = add nuw i8 %x, %y %r = icmp eq i8 %a, 0 ret i1 %r } define i1 @add_nonzero_nsw_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @add_nonzero_nsw_fail( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X]], [[Y:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[A]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x_nz = icmp ne i8 %x, 0 call void @llvm.assume(i1 %x_nz) %a = add nsw i8 %x, %y %r = icmp eq i8 %a, 0 ret i1 %r } define i1 @udiv_y_le_x(i8 %xx, i8 %yy, i8 %z) { ; CHECK-LABEL: @udiv_y_le_x( ; CHECK-NEXT: ret i1 false ; %x = or i8 %xx, 7 %y = and i8 %yy, 7 %d = udiv i8 %x, %y %o = or i8 %d, %z %r = icmp eq i8 %o, 0 ret i1 %r } define i1 @udiv_y_le_x_fail(i8 %xx, i8 %yy, i8 %z) { ; CHECK-LABEL: @udiv_y_le_x_fail( ; CHECK-NEXT: [[X:%.*]] = or i8 [[XX:%.*]], 6 ; CHECK-NEXT: [[Y:%.*]] = and i8 [[YY:%.*]], 7 ; CHECK-NEXT: [[D:%.*]] = udiv i8 [[X]], [[Y]] ; CHECK-NEXT: [[O:%.*]] = or i8 [[D]], [[Z:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[O]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x = or i8 %xx, 6 %y = and i8 %yy, 7 %d = udiv i8 %x, %y %o = or i8 %d, %z %r = icmp eq i8 %o, 0 ret i1 %r } define i1 @fshr_non_zero(i8 %x, i8 %y, i8 %z) { ; CHECK-LABEL: @fshr_non_zero( ; CHECK-NEXT: [[PRED0:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED0]]) ; CHECK-NEXT: ret i1 false ; %pred0 = icmp ne i8 %x, 0 call void @llvm.assume(i1 %pred0) %v = tail call i8 @llvm.fshr.i8(i8 %x, i8 %x, i8 %y) %or = or i8 %v, %z %r = icmp eq i8 %or, 0 ret i1 %r } define i1 @fshr_non_zero_fail(i8 %x, i8 %y, i8 %z, i8 %w) { ; CHECK-LABEL: @fshr_non_zero_fail( ; CHECK-NEXT: [[PRED0:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED0]]) ; CHECK-NEXT: [[PRED1:%.*]] = icmp ne i8 [[W:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED1]]) ; CHECK-NEXT: [[V:%.*]] = tail call i8 @llvm.fshr.i8(i8 [[X]], i8 [[W]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[OR:%.*]] = or i8 [[V]], [[Z:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[OR]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %pred0 = icmp ne i8 %x, 0 call void @llvm.assume(i1 %pred0) %pred1 = icmp ne i8 %w, 0 call void @llvm.assume(i1 %pred1) %v = tail call i8 @llvm.fshr.i8(i8 %x, i8 %w, i8 %y) %or = or i8 %v, %z %r = icmp eq i8 %or, 0 ret i1 %r } define i1 @fshl_non_zero(i8 %x, i8 %y, i8 %z) { ; CHECK-LABEL: @fshl_non_zero( ; CHECK-NEXT: [[PRED0:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED0]]) ; CHECK-NEXT: ret i1 false ; %pred0 = icmp ne i8 %x, 0 call void @llvm.assume(i1 %pred0) %v = tail call i8 @llvm.fshl.i8(i8 %x, i8 %x, i8 %y) %or = or i8 %v, %z %r = icmp eq i8 %or, 0 ret i1 %r } define i1 @fshl_non_zero_fail(i8 %x, i8 %y, i8 %z, i8 %w) { ; CHECK-LABEL: @fshl_non_zero_fail( ; CHECK-NEXT: [[PRED0:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED0]]) ; CHECK-NEXT: [[PRED1:%.*]] = icmp ne i8 [[W:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[PRED1]]) ; CHECK-NEXT: [[V:%.*]] = tail call i8 @llvm.fshl.i8(i8 [[X]], i8 [[W]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[OR:%.*]] = or i8 [[V]], [[Z:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[OR]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %pred0 = icmp ne i8 %x, 0 call void @llvm.assume(i1 %pred0) %pred1 = icmp ne i8 %w, 0 call void @llvm.assume(i1 %pred1) %v = tail call i8 @llvm.fshl.i8(i8 %x, i8 %w, i8 %y) %or = or i8 %v, %z %r = icmp eq i8 %or, 0 ret i1 %r } define i1 @bitcast_nonzero(<2 x i8> %xx, i16 %ind) { ; CHECK-LABEL: @bitcast_nonzero( ; CHECK-NEXT: ret i1 false ; %xa = add nuw nsw <2 x i8> %xx, %x = bitcast <2 x i8> %xa to i16 %z = or i16 %x, %ind %r = icmp eq i16 %z, 0 ret i1 %r } define i1 @bitcast_todo_partial_nonzero_vec_to_int(<2 x i8> %xx, i16 %ind) { ; CHECK-LABEL: @bitcast_todo_partial_nonzero_vec_to_int( ; CHECK-NEXT: [[XA:%.*]] = add nuw nsw <2 x i8> [[XX:%.*]], ; CHECK-NEXT: [[X:%.*]] = bitcast <2 x i8> [[XA]] to i16 ; CHECK-NEXT: [[Z:%.*]] = or i16 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i16 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xa = add nuw nsw <2 x i8> %xx, %x = bitcast <2 x i8> %xa to i16 %z = or i16 %x, %ind %r = icmp eq i16 %z, 0 ret i1 %r } define <2 x i1> @bitcast_fail_nonzero_int_to_vec(i16 %xx, <2 x i8> %ind) { ; CHECK-LABEL: @bitcast_fail_nonzero_int_to_vec( ; CHECK-NEXT: [[XA:%.*]] = add nuw nsw i16 [[XX:%.*]], 1 ; CHECK-NEXT: [[X:%.*]] = bitcast i16 [[XA]] to <2 x i8> ; CHECK-NEXT: [[Z:%.*]] = or <2 x i8> [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[Z]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %xa = add nuw nsw i16 %xx, 1 %x = bitcast i16 %xa to <2 x i8> %z = or <2 x i8> %x, %ind %r = icmp eq <2 x i8> %z, zeroinitializer ret <2 x i1> %r } define <2 x i1> @bitcast_veci8_to_veci16(<4 x i8> %xx, <2 x i16> %ind) { ; CHECK-LABEL: @bitcast_veci8_to_veci16( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %xa = add nuw nsw <4 x i8> %xx, %x = bitcast <4 x i8> %xa to <2 x i16> %z = or <2 x i16> %x, %ind %r = icmp eq <2 x i16> %z, zeroinitializer ret <2 x i1> %r } define <3 x i1> @bitcast_veci3_to_veci4_fail_not_multiple(<4 x i3> %xx, <3 x i4> %ind) { ; CHECK-LABEL: @bitcast_veci3_to_veci4_fail_not_multiple( ; CHECK-NEXT: [[XA:%.*]] = add nuw nsw <4 x i3> [[XX:%.*]], ; CHECK-NEXT: [[X:%.*]] = bitcast <4 x i3> [[XA]] to <3 x i4> ; CHECK-NEXT: [[Z:%.*]] = or <3 x i4> [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <3 x i4> [[Z]], zeroinitializer ; CHECK-NEXT: ret <3 x i1> [[R]] ; %xa = add nuw nsw <4 x i3> %xx, %x = bitcast <4 x i3> %xa to <3 x i4> %z = or <3 x i4> %x, %ind %r = icmp eq <3 x i4> %z, zeroinitializer ret <3 x i1> %r } define <4 x i1> @bitcast_fail_veci16_to_veci8(<2 x i16> %xx, <4 x i8> %ind) { ; CHECK-LABEL: @bitcast_fail_veci16_to_veci8( ; CHECK-NEXT: [[XA:%.*]] = add nuw nsw <2 x i16> [[XX:%.*]], ; CHECK-NEXT: [[X:%.*]] = bitcast <2 x i16> [[XA]] to <4 x i8> ; CHECK-NEXT: [[Z:%.*]] = or <4 x i8> [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <4 x i8> [[Z]], zeroinitializer ; CHECK-NEXT: ret <4 x i1> [[R]] ; %xa = add nuw nsw <2 x i16> %xx, %x = bitcast <2 x i16> %xa to <4 x i8> %z = or <4 x i8> %x, %ind %r = icmp eq <4 x i8> %z, zeroinitializer ret <4 x i1> %r } define i1 @bitcast_nonzero_fail_dont_check_float(float %xx, i32 %ind) { ; CHECK-LABEL: @bitcast_nonzero_fail_dont_check_float( ; CHECK-NEXT: [[XA:%.*]] = call float @llvm.maximum.f32(float [[XX:%.*]], float 1.000000e+00) ; CHECK-NEXT: [[X:%.*]] = bitcast float [[XA]] to i32 ; CHECK-NEXT: [[Z:%.*]] = or i32 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i32 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xa = call float @llvm.maximum.f32(float %xx, float 1.000000e+00) %x = bitcast float %xa to i32 %z = or i32 %x, %ind %r = icmp eq i32 %z, 0 ret i1 %r } define i1 @ctlz_true_nonzero(i8 %xx, i8 %ind) { ; CHECK-LABEL: @ctlz_true_nonzero( ; CHECK-NEXT: ret i1 false ; %xs = lshr i8 %xx, 1 %x = call i8 @llvm.ctlz.i8(i8 %xs, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ctlz_false_nonzero(i8 %xx, i8 %ind) { ; CHECK-LABEL: @ctlz_false_nonzero( ; CHECK-NEXT: ret i1 false ; %xa = and i8 %xx, 127 %x = call i8 @llvm.ctlz.i8(i8 %xa, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ctlz_nonzero_fail_maybe_neg(i8 %xx, i8 %ind) { ; CHECK-LABEL: @ctlz_nonzero_fail_maybe_neg( ; CHECK-NEXT: [[XS:%.*]] = ashr i8 [[XX:%.*]], 1 ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.ctlz.i8(i8 [[XS]], i1 true) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xs = ashr i8 %xx, 1 %x = call i8 @llvm.ctlz.i8(i8 %xs, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @cttz_true_nonzero(i8 %xx, i8 %ind) { ; CHECK-LABEL: @cttz_true_nonzero( ; CHECK-NEXT: ret i1 false ; %xs = shl i8 %xx, 1 %x = call i8 @llvm.cttz.i8(i8 %xs, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @cttz_false_nonzero(i8 %xx, i8 %ind) { ; CHECK-LABEL: @cttz_false_nonzero( ; CHECK-NEXT: ret i1 false ; %xa = and i8 %xx, -2 %x = call i8 @llvm.cttz.i8(i8 %xa, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @cttz_nonzero_fail_maybe_odd(i8 %xx, i8 %cnt, i8 %ind) { ; CHECK-LABEL: @cttz_nonzero_fail_maybe_odd( ; CHECK-NEXT: [[XS:%.*]] = shl i8 [[XX:%.*]], [[CNT:%.*]] ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.cttz.i8(i8 [[XS]], i1 true) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xs = shl i8 %xx, %cnt %x = call i8 @llvm.cttz.i8(i8 %xs, i1 true) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @mul_nonzero_odd(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @mul_nonzero_odd( ; CHECK-NEXT: [[Y_NZ:%.*]] = icmp ne i8 [[Y:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_NZ]]) ; CHECK-NEXT: ret i1 false ; %xo = or i8 %xx, 1 %y_nz = icmp ne i8 %y, 0 call void @llvm.assume(i1 %y_nz) %x = mul i8 %xo, %y %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @mul_nonzero_odd_fail_y_maybe_zero(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @mul_nonzero_odd_fail_y_maybe_zero( ; CHECK-NEXT: [[XO:%.*]] = or i8 [[XX:%.*]], 1 ; CHECK-NEXT: [[X:%.*]] = mul i8 [[XO]], [[Y:%.*]] ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xo = or i8 %xx, 1 %x = mul i8 %xo, %y %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @sshl_nonzero(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @sshl_nonzero( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.sshl.sat.i8(i8 %xx, i8 %y) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @sshl_nonzero_fail_x_maybe_z(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @sshl_nonzero_fail_x_maybe_z( ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.sshl.sat.i8(i8 [[XX:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x = call i8 @llvm.sshl.sat.i8(i8 %xx, i8 %y) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ushl_nonzero(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @ushl_nonzero( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.ushl.sat.i8(i8 %xx, i8 %y) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ushl_nonzero_fail_x_maybe_z(i8 %xx, i8 %y, i8 %ind) { ; CHECK-LABEL: @ushl_nonzero_fail_x_maybe_z( ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.ushl.sat.i8(i8 [[XX:%.*]], i8 [[Y:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x = call i8 @llvm.ushl.sat.i8(i8 %xx, i8 %y) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ssub_sat_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @ssub_sat_nonzero( ; CHECK-NEXT: ret i1 false ; %xa = and i8 %xx, 191 %yo = or i8 %yy, 64 %x = call i8 @llvm.ssub.sat.i8(i8 %xa, i8 %yo) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @ssub_sat_nonzero_ne_known_bits_fail_overlap(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @ssub_sat_nonzero_ne_known_bits_fail_overlap( ; CHECK-NEXT: [[XA:%.*]] = and i8 [[XX:%.*]], -64 ; CHECK-NEXT: [[YO:%.*]] = or i8 [[YY:%.*]], 64 ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[XA]], i8 [[YO]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xa = and i8 %xx, 192 %yo = or i8 %yy, 64 %x = call i8 @llvm.ssub.sat.i8(i8 %xa, i8 %yo) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @usub_sat_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @usub_sat_nonzero( ; CHECK-NEXT: [[Y_ULT_31:%.*]] = icmp ult i8 [[YY:%.*]], 31 ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_ULT_31]]) ; CHECK-NEXT: [[XO:%.*]] = or i8 [[XX:%.*]], 34 ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.usub.sat.i8(i8 [[XO]], i8 [[YY]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %y_ult_31 = icmp ult i8 %yy, 31 call void @llvm.assume(i1 %y_ult_31) %xo = or i8 %xx, 34 %x = call i8 @llvm.usub.sat.i8(i8 %xo, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @usub_sat_nonzero_fail(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @usub_sat_nonzero_fail( ; CHECK-NEXT: [[XA:%.*]] = and i8 [[XX:%.*]], 16 ; CHECK-NEXT: [[YO:%.*]] = or i8 [[YY:%.*]], 7 ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.usub.sat.i8(i8 [[XA]], i8 [[YO]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %xa = and i8 %xx, 16 %yo = or i8 %yy, 7 %x = call i8 @llvm.usub.sat.i8(i8 %xa, i8 %yo) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @sadd_sat_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @sadd_sat_nonzero( ; CHECK-NEXT: [[X_STRICT_POS:%.*]] = icmp sgt i8 [[XX:%.*]], 0 ; CHECK-NEXT: [[Y_POS:%.*]] = icmp sge i8 [[YY:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_STRICT_POS]]) ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_POS]]) ; CHECK-NEXT: ret i1 false ; %x_strict_pos = icmp sgt i8 %xx, 0 %y_pos = icmp sge i8 %yy, 0 call void @llvm.assume(i1 %x_strict_pos) call void @llvm.assume(i1 %y_pos) %x = call i8 @llvm.sadd.sat.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @sadd_sat_nonzero_fail_maybe_zz(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @sadd_sat_nonzero_fail_maybe_zz( ; CHECK-NEXT: [[X_POS:%.*]] = icmp sge i8 [[XX:%.*]], 0 ; CHECK-NEXT: [[Y_POS:%.*]] = icmp sge i8 [[YY:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_POS]]) ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_POS]]) ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[XX]], i8 [[YY]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x_pos = icmp sge i8 %xx, 0 %y_pos = icmp sge i8 %yy, 0 call void @llvm.assume(i1 %x_pos) call void @llvm.assume(i1 %y_pos) %x = call i8 @llvm.sadd.sat.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @umax_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @umax_nonzero( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.umax.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @umax_nonzero_fail_x_maybe_z(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @umax_nonzero_fail_x_maybe_z( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp sge i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.umax.i8(i8 [[XX]], i8 [[YY:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x_nz = icmp sge i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.umax.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @umin_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @umin_nonzero( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[Y_NZ:%.*]] = icmp ne i8 [[YY:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %y_nz = icmp ne i8 %yy, 0 call void @llvm.assume(i1 %y_nz) %x = call i8 @llvm.umin.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @umin_nonzero_fail_y_maybe_z(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @umin_nonzero_fail_y_maybe_z( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.umin.i8(i8 [[XX]], i8 [[YY:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.umin.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @smin_nonzero(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @smin_nonzero( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp ne i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[Y_NZ:%.*]] = icmp ne i8 [[YY:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_NZ]]) ; CHECK-NEXT: ret i1 false ; %x_nz = icmp ne i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %y_nz = icmp ne i8 %yy, 0 call void @llvm.assume(i1 %y_nz) %x = call i8 @llvm.umin.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @smin_nonzero_neg_arg(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @smin_nonzero_neg_arg( ; CHECK-NEXT: [[X_NEG:%.*]] = icmp slt i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NEG]]) ; CHECK-NEXT: ret i1 false ; %x_neg = icmp slt i8 %xx, 0 call void @llvm.assume(i1 %x_neg) %x = call i8 @llvm.smin.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @smin_nonzero_fail_y_maybe_z(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @smin_nonzero_fail_y_maybe_z( ; CHECK-NEXT: [[X_NZ:%.*]] = icmp sle i8 [[XX:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[X_NZ]]) ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.smin.i8(i8 [[XX]], i8 [[YY:%.*]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %x_nz = icmp sle i8 %xx, 0 call void @llvm.assume(i1 %x_nz) %x = call i8 @llvm.smin.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @smax_nonzero_pos_arg(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @smax_nonzero_pos_arg( ; CHECK-NEXT: ret i1 false ; %ya = and i8 %yy, 127 %yo = or i8 %ya, 1 %x = call i8 @llvm.smax.i8(i8 %xx, i8 %yo) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @smax_nonzero_pos_arg_fail_nonstrict_pos(i8 %xx, i8 %yy, i8 %ind) { ; CHECK-LABEL: @smax_nonzero_pos_arg_fail_nonstrict_pos( ; CHECK-NEXT: [[Y_POS:%.*]] = icmp sge i8 [[YY:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[Y_POS]]) ; CHECK-NEXT: [[X:%.*]] = call i8 @llvm.smax.i8(i8 [[XX:%.*]], i8 [[YY]]) ; CHECK-NEXT: [[Z:%.*]] = or i8 [[X]], [[IND:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[Z]], 0 ; CHECK-NEXT: ret i1 [[R]] ; %y_pos = icmp sge i8 %yy, 0 call void @llvm.assume(i1 %y_pos) %x = call i8 @llvm.smax.i8(i8 %xx, i8 %yy) %z = or i8 %x, %ind %r = icmp eq i8 %z, 0 ret i1 %r } define i1 @mul_nonzero_contains_nonzero_mul(i8 %x, i8 %y) { ; CHECK-LABEL: @mul_nonzero_contains_nonzero_mul( ; CHECK-NEXT: ret i1 true ; %xx = or i8 %x, 16 %yy = or i8 %y, 8 %xy = mul i8 %xx, %yy %nz = icmp ne i8 %xy, 0 ret i1 %nz } define i1 @src_mul_maybe_zero_no_nonzero_mul(i8 %x, i8 %y) { ; CHECK-LABEL: @src_mul_maybe_zero_no_nonzero_mul( ; CHECK-NEXT: [[XX:%.*]] = or i8 [[X:%.*]], 96 ; CHECK-NEXT: [[YY:%.*]] = or i8 [[Y:%.*]], 8 ; CHECK-NEXT: [[XY:%.*]] = mul i8 [[XX]], [[YY]] ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i8 [[XY]], 0 ; CHECK-NEXT: ret i1 [[NZ]] ; %xx = or i8 %x, 96 %yy = or i8 %y, 8 %xy = mul i8 %xx, %yy %nz = icmp ne i8 %xy, 0 ret i1 %nz } define i1 @sdiv_known_non_zero(i8 %x, i8 %y) { ; CHECK-LABEL: @sdiv_known_non_zero( ; CHECK-NEXT: ret i1 true ; %xx0 = or i8 %x, 135 %xx = and i8 %xx0, -2 %xy = sdiv i8 %xx, -2 %nz = icmp ne i8 %xy, 0 ret i1 %nz } define i1 @sdiv_known_non_zero2(i8 %x, i8 %y) { ; CHECK-LABEL: @sdiv_known_non_zero2( ; CHECK-NEXT: ret i1 true ; %xx0 = or i8 %x, 15 %xx = and i8 %xx0, -4 %yy = and i8 %y, 3 %xy = sdiv i8 %xx, %yy %nz = icmp ne i8 %xy, 0 ret i1 %nz } define i1 @sdiv_known_non_zero_fail(i8 %x, i8 %y) { ; CHECK-LABEL: @sdiv_known_non_zero_fail( ; CHECK-NEXT: [[XX:%.*]] = or i8 [[X:%.*]], 15 ; CHECK-NEXT: [[YY:%.*]] = and i8 [[Y:%.*]], 3 ; CHECK-NEXT: [[XY:%.*]] = sdiv i8 [[XX]], [[YY]] ; CHECK-NEXT: [[NZ:%.*]] = icmp ne i8 [[XY]], 0 ; CHECK-NEXT: ret i1 [[NZ]] ; %xx = or i8 %x, 15 %yy = and i8 %y, 3 %xy = sdiv i8 %xx, %yy %nz = icmp ne i8 %xy, 0 ret i1 %nz } define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec(<2 x i8> %a, <2 x i8> %b) { ; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %c = icmp sge <2 x i8> %a, %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> %and = or <2 x i8> %s, %b %r = icmp eq <2 x i8> %and, zeroinitializer ret <2 x i1> %r } define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_wundef(<2 x i8> %a, <2 x i8> %b) { ; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_wundef( ; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], ; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> ; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp sge <2 x i8> %a, %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> %and = or <2 x i8> %s, %b %r = icmp eq <2 x i8> %and, zeroinitializer ret <2 x i1> %r } define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_wpoison(<2 x i8> %a, <2 x i8> %b) { ; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_wpoison( ; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], ; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> ; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp sge <2 x i8> %a, %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> %and = or <2 x i8> %s, %b %r = icmp eq <2 x i8> %and, zeroinitializer ret <2 x i1> %r } define <2 x i1> @cmp_excludes_zero_with_nonsplat_vec_fail(<2 x i8> %a, <2 x i8> %b) { ; CHECK-LABEL: @cmp_excludes_zero_with_nonsplat_vec_fail( ; CHECK-NEXT: [[C:%.*]] = icmp sge <2 x i8> [[A:%.*]], ; CHECK-NEXT: [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[A]], <2 x i8> ; CHECK-NEXT: [[AND:%.*]] = or <2 x i8> [[S]], [[B:%.*]] ; CHECK-NEXT: [[R:%.*]] = icmp eq <2 x i8> [[AND]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[R]] ; %c = icmp sge <2 x i8> %a, %s = select <2 x i1> %c, <2 x i8> %a, <2 x i8> %and = or <2 x i8> %s, %b %r = icmp eq <2 x i8> %and, zeroinitializer ret <2 x i1> %r } define i1 @sub_via_non_eq(i8 %x, i8 %y) { ; CHECK-LABEL: @sub_via_non_eq( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i8 [[X:%.*]], 0 ; CHECK-NEXT: call void @llvm.assume(i1 [[NE]]) ; CHECK-NEXT: ret i1 false ; %ne = icmp ne i8 %x, 0 call void @llvm.assume(i1 %ne) %shl = shl nuw i8 %x, 3 %sub = sub i8 %x, %shl %cmp = icmp eq i8 %sub, 0 ret i1 %cmp } ; Test mismatch of ptrtoints type and pointer size define i1 @recursiveGEP_orcmp_truncPtr(ptr %val1, i32 %val2) { ; CHECK-LABEL: @recursiveGEP_orcmp_truncPtr( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[WHILE_COND_I:%.*]] ; CHECK: while.cond.i: ; CHECK-NEXT: [[A_PN_I:%.*]] = phi ptr [ [[TEST_0_I:%.*]], [[WHILE_COND_I]] ], [ [[VAL1:%.*]], [[ENTRY:%.*]] ] ; CHECK-NEXT: [[TEST_0_I]] = getelementptr inbounds i8, ptr [[A_PN_I]], i64 1 ; CHECK-NEXT: [[TMP0:%.*]] = load i8, ptr [[TEST_0_I]], align 2 ; CHECK-NEXT: [[CMP3_NOT_I:%.*]] = icmp eq i8 [[TMP0]], 0 ; CHECK-NEXT: br i1 [[CMP3_NOT_I]], label [[WHILE_END_I:%.*]], label [[WHILE_COND_I]] ; CHECK: while.end.i: ; CHECK-NEXT: [[SUB_PTR_LHS_CAST_I:%.*]] = ptrtoint ptr [[TEST_0_I]] to i32 ; CHECK-NEXT: [[SUB_PTR_RHS_CAST_I:%.*]] = ptrtoint ptr [[VAL1]] to i32 ; CHECK-NEXT: [[SUB_PTR_SUB_I:%.*]] = sub i32 [[SUB_PTR_LHS_CAST_I]], [[SUB_PTR_RHS_CAST_I]] ; CHECK-NEXT: [[ORVAL:%.*]] = or i32 [[VAL2:%.*]], [[SUB_PTR_SUB_I]] ; CHECK-NEXT: [[BOOL:%.*]] = icmp eq i32 [[ORVAL]], 0 ; CHECK-NEXT: ret i1 [[BOOL]] ; entry: br label %while.cond.i while.cond.i: %a.pn.i = phi ptr [ %test.0.i, %while.cond.i ], [ %val1, %entry ] %test.0.i = getelementptr inbounds i8, ptr %a.pn.i, i64 1 %0 = load i8, ptr %test.0.i, align 2 %cmp3.not.i = icmp eq i8 %0, 0 br i1 %cmp3.not.i, label %while.end.i, label %while.cond.i while.end.i: %sub.ptr.lhs.cast.i = ptrtoint ptr %test.0.i to i32 %sub.ptr.rhs.cast.i = ptrtoint ptr %val1 to i32 %sub.ptr.sub.i = sub i32 %sub.ptr.lhs.cast.i, %sub.ptr.rhs.cast.i %orval = or i32 %val2, %sub.ptr.sub.i %bool = icmp eq i32 %orval, 0 ret i1 %bool } define i1 @check_get_vector_length(i32 %x, i32 %y) { ; CHECK-LABEL: @check_get_vector_length( ; CHECK-NEXT: [[NE:%.*]] = icmp ne i32 [[X:%.*]], 0 ; CHECK-NEXT: br i1 [[NE]], label [[TRUE:%.*]], label [[FALSE:%.*]] ; CHECK: true: ; CHECK-NEXT: [[Z:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 [[X]], i32 1, i1 true) ; CHECK-NEXT: [[CMP0:%.*]] = icmp ugt i32 [[Z]], [[Y:%.*]] ; CHECK-NEXT: ret i1 [[CMP0]] ; CHECK: false: ; CHECK-NEXT: ret i1 [[NE]] ; %ne = icmp ne i32 %x, 0 br i1 %ne, label %true, label %false true: %z = call i32 @llvm.experimental.get.vector.length.i32(i32 %x, i32 1, i1 true) %cmp0 = icmp ugt i32 %z, %y %cmp1 = icmp eq i32 %y, 0 %r = or i1 %cmp0, %cmp1 ret i1 %r false: ret i1 %ne } define <2 x i1> @range_metadata_vec(ptr %p, <2 x i32> %x) { ; CHECK-LABEL: @range_metadata_vec( ; CHECK-NEXT: ret <2 x i1> ; %v = load <2 x i32>, ptr %p, !range !{i32 1, i32 100} %or = or <2 x i32> %v, %x %cmp = icmp ne <2 x i32> %or, zeroinitializer ret <2 x i1> %cmp } define i1 @range_attr(i8 range(i8 1, 0) %x, i8 %y) { ; CHECK-LABEL: @range_attr( ; CHECK-NEXT: ret i1 false ; %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } define i1 @neg_range_attr(i8 range(i8 -1, 1) %x, i8 %y) { ; CHECK-LABEL: @neg_range_attr( ; CHECK-NEXT: [[I:%.*]] = or i8 [[Y:%.*]], [[X:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[I]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } declare range(i8 1, 0) i8 @returns_non_zero_range_helper() declare range(i8 -1, 1) i8 @returns_contain_zero_range_helper() define i1 @range_return(i8 %y) { ; CHECK-LABEL: @range_return( ; CHECK-NEXT: [[I:%.*]] = call i8 @returns_non_zero_range_helper() ; CHECK-NEXT: ret i1 false ; %x = call i8 @returns_non_zero_range_helper() %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } define i1 @neg_range_return(i8 %y) { ; CHECK-LABEL: @neg_range_return( ; CHECK-NEXT: [[I:%.*]] = call i8 @returns_contain_zero_range_helper() ; CHECK-NEXT: [[OR:%.*]] = or i8 [[Y:%.*]], [[I]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[OR]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %x = call i8 @returns_contain_zero_range_helper() %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } declare i8 @returns_i8_helper() define i1 @range_call(i8 %y) { ; CHECK-LABEL: @range_call( ; CHECK-NEXT: [[I:%.*]] = call range(i8 1, 0) i8 @returns_i8_helper() ; CHECK-NEXT: ret i1 false ; %x = call range(i8 1, 0) i8 @returns_i8_helper() %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } define i1 @neg_range_call(i8 %y) { ; CHECK-LABEL: @neg_range_call( ; CHECK-NEXT: [[I:%.*]] = call range(i8 -1, 1) i8 @returns_i8_helper() ; CHECK-NEXT: [[OR:%.*]] = or i8 [[Y:%.*]], [[I]] ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i8 [[OR]], 0 ; CHECK-NEXT: ret i1 [[CMP]] ; %x = call range(i8 -1, 1) i8 @returns_i8_helper() %or = or i8 %y, %x %cmp = icmp eq i8 %or, 0 ret i1 %cmp } define <2 x i1> @range_attr_vec(<2 x i8> range(i8 1, 0) %x, <2 x i8> %y) { ; CHECK-LABEL: @range_attr_vec( ; CHECK-NEXT: ret <2 x i1> ; %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } define <2 x i1> @neg_range_attr_vec(<2 x i8> range(i8 -1, 1) %x, <2 x i8> %y) { ; CHECK-LABEL: @neg_range_attr_vec( ; CHECK-NEXT: [[OR:%.*]] = or <2 x i8> [[Y:%.*]], [[X:%.*]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i8> [[OR]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } declare range(i8 1, 0) <2 x i8> @returns_non_zero_range_helper_vec() declare range(i8 -1, 1) <2 x i8> @returns_contain_zero_range_helper_vec() define <2 x i1> @range_return_vec(<2 x i8> %y) { ; CHECK-LABEL: @range_return_vec( ; CHECK-NEXT: [[I:%.*]] = call <2 x i8> @returns_non_zero_range_helper_vec() ; CHECK-NEXT: ret <2 x i1> ; %x = call <2 x i8> @returns_non_zero_range_helper_vec() %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } define <2 x i1> @neg_range_return_vec(<2 x i8> %y) { ; CHECK-LABEL: @neg_range_return_vec( ; CHECK-NEXT: [[I:%.*]] = call <2 x i8> @returns_contain_zero_range_helper_vec() ; CHECK-NEXT: [[OR:%.*]] = or <2 x i8> [[Y:%.*]], [[I]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i8> [[OR]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = call <2 x i8> @returns_contain_zero_range_helper_vec() %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } declare <2 x i8> @returns_i8_helper_vec() define <2 x i1> @range_call_vec(<2 x i8> %y) { ; CHECK-LABEL: @range_call_vec( ; CHECK-NEXT: [[I:%.*]] = call range(i8 1, 0) <2 x i8> @returns_i8_helper_vec() ; CHECK-NEXT: ret <2 x i1> ; %x = call range(i8 1, 0) <2 x i8> @returns_i8_helper_vec() %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } define <2 x i1> @neg_range_call_vec(<2 x i8> %y) { ; CHECK-LABEL: @neg_range_call_vec( ; CHECK-NEXT: [[I:%.*]] = call range(i8 -1, 1) <2 x i8> @returns_i8_helper_vec() ; CHECK-NEXT: [[OR:%.*]] = or <2 x i8> [[Y:%.*]], [[I]] ; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i8> [[OR]], zeroinitializer ; CHECK-NEXT: ret <2 x i1> [[CMP]] ; %x = call range(i8 -1, 1) <2 x i8> @returns_i8_helper_vec() %or = or <2 x i8> %y, %x %cmp = icmp ne <2 x i8> %or, zeroinitializer ret <2 x i1> %cmp } declare i32 @llvm.experimental.get.vector.length.i32(i32, i32, i1)