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1// RUN: fir-opt %s --simplify-hlfir-intrinsics | FileCheck %s2 3// Simplify should reduce hlfir.index to constant (5)4func.func @_QPt1() {5// CHECK-LABEL:   func.func @_QPt1() {6// CHECK:           %[[VAL_0:.*]] = arith.constant 5 : index7// CHECK:           %[[VAL_1:.*]] = arith.constant 0 : index8// CHECK:           %[[VAL_2:.*]] = arith.constant 3 : index9// CHECK:           %[[VAL_3:.*]] = arith.constant 4 : index10// CHECK:           %[[VAL_4:.*]] = fir.dummy_scope : !fir.dscope11// CHECK:           %[[VAL_5:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt1En"}12// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]] {uniq_name = "_QFt1En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)13// CHECK:           %[[VAL_7:.*]] = fir.alloca !fir.char<1,4> {bindc_name = "s", uniq_name = "_QFt1Es"}14// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_3]] {uniq_name = "_QFt1Es"} : (!fir.ref<!fir.char<1,4>>, index) -> (!fir.ref<!fir.char<1,4>>, !fir.ref<!fir.char<1,4>>)15// CHECK:           %[[VAL_9:.*]] = fir.address_of(@_QQclX616263) : !fir.ref<!fir.char<1,3>>16// CHECK:           %[[VAL_10:.*]]:2 = hlfir.declare %[[VAL_9]] typeparams %[[VAL_2]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX616263"} : (!fir.ref<!fir.char<1,3>>, index) -> (!fir.ref<!fir.char<1,3>>, !fir.ref<!fir.char<1,3>>)17// CHECK:           hlfir.assign %[[VAL_10]]#0 to %[[VAL_8]]#0 : !fir.ref<!fir.char<1,3>>, !fir.ref<!fir.char<1,4>>18// CHECK:           %[[VAL_11:.*]] = fir.address_of(@_QQclX) : !fir.ref<!fir.char<1,0>>19// CHECK:           %[[VAL_12:.*]]:2 = hlfir.declare %[[VAL_11]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX"} : (!fir.ref<!fir.char<1,0>>, index) -> (!fir.ref<!fir.char<1,0>>, !fir.ref<!fir.char<1,0>>)20// CHECK:           %[[VAL_13:.*]] = fir.convert %[[VAL_0]] : (index) -> i3221// CHECK:           hlfir.assign %[[VAL_13]] to %[[VAL_6]]#0 : i32, !fir.ref<i32>22// CHECK:           return23// CHECK:         }24    %0 = fir.dummy_scope : !fir.dscope25    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt1En"}26    %2:2 = hlfir.declare %1 {uniq_name = "_QFt1En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)27    %c4 = arith.constant 4 : index28    %3 = fir.alloca !fir.char<1,4> {bindc_name = "s", uniq_name = "_QFt1Es"}29    %4:2 = hlfir.declare %3 typeparams %c4 {uniq_name = "_QFt1Es"} : (!fir.ref<!fir.char<1,4>>, index) -> (!fir.ref<!fir.char<1,4>>, !fir.ref<!fir.char<1,4>>)30    %5 = fir.address_of(@_QQclX616263) : !fir.ref<!fir.char<1,3>>31    %c3 = arith.constant 3 : index32    %6:2 = hlfir.declare %5 typeparams %c3 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX616263"} : (!fir.ref<!fir.char<1,3>>, index) -> (!fir.ref<!fir.char<1,3>>, !fir.ref<!fir.char<1,3>>)33    hlfir.assign %6#0 to %4#0 : !fir.ref<!fir.char<1,3>>, !fir.ref<!fir.char<1,4>>34    %7 = fir.address_of(@_QQclX) : !fir.ref<!fir.char<1,0>>35    %c0 = arith.constant 0 : index36    %8:2 = hlfir.declare %7 typeparams %c0 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX"} : (!fir.ref<!fir.char<1,0>>, index) -> (!fir.ref<!fir.char<1,0>>, !fir.ref<!fir.char<1,0>>)37    %true = arith.constant true38    %9 = hlfir.index %8#0 in %4#0 back %true : (!fir.ref<!fir.char<1,0>>, !fir.ref<!fir.char<1,4>>, i1) -> i3239    hlfir.assign %9 to %2#0 : i32, !fir.ref<i32>40    return41}42 43// ! 'back' is unknown at compile time, substring is zero length - generate select (back ? strlen+1 : 1)44func.func @_QPt2(%arg0: !fir.boxchar<2> {fir.bindc_name = "s"}, %arg1: !fir.ref<!fir.logical<4>> {fir.bindc_name = "b"}) {45// CHECK-LABEL:   func.func @_QPt2(46// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<2> {fir.bindc_name = "s"},47// CHECK-SAME:                     %[[ARG1:.*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "b"}) {48// CHECK:           %[[VAL_0:.*]] = arith.constant 1 : index49// CHECK:           %[[VAL_1:.*]] = arith.constant 0 : index50// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope51// CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_2]] {uniq_name = "_QFt2Eb"} : (!fir.ref<!fir.logical<4>>, !fir.dscope) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)52// CHECK:           %[[VAL_4:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt2En"}53// CHECK:           %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_4]] {uniq_name = "_QFt2En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)54// CHECK:           %[[VAL_6:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)55// CHECK:           %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_6]]#0 typeparams %[[VAL_6]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt2Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)56// CHECK:           %[[VAL_8:.*]] = fir.address_of(@_QQcl2X) : !fir.ref<!fir.char<2,0>>57// CHECK:           %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_8]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X"} : (!fir.ref<!fir.char<2,0>>, index) -> (!fir.ref<!fir.char<2,0>>, !fir.ref<!fir.char<2,0>>)58// CHECK:           %[[VAL_10:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<!fir.logical<4>>59// CHECK:           %[[VAL_11:.*]] = arith.addi %[[VAL_6]]#1, %[[VAL_0]] : index60// CHECK:           %[[VAL_12:.*]] = fir.convert %[[VAL_10]] : (!fir.logical<4>) -> i161// CHECK:           %[[VAL_13:.*]] = arith.select %[[VAL_12]], %[[VAL_11]], %[[VAL_0]] : index62// CHECK:           %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (index) -> i3263// CHECK:           hlfir.assign %[[VAL_14]] to %[[VAL_5]]#0 : i32, !fir.ref<i32>64// CHECK:           return65// CHECK:         }66    %0 = fir.dummy_scope : !fir.dscope67    %1:2 = hlfir.declare %arg1 dummy_scope %0 {uniq_name = "_QFt2Eb"} : (!fir.ref<!fir.logical<4>>, !fir.dscope) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)68    %2 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt2En"}69    %3:2 = hlfir.declare %2 {uniq_name = "_QFt2En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)70    %4:2 = fir.unboxchar %arg0 : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)71    %5:2 = hlfir.declare %4#0 typeparams %4#1 dummy_scope %0 {uniq_name = "_QFt2Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)72    %6 = fir.address_of(@_QQcl2X) : !fir.ref<!fir.char<2,0>>73    %c0 = arith.constant 0 : index74    %7:2 = hlfir.declare %6 typeparams %c0 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X"} : (!fir.ref<!fir.char<2,0>>, index) -> (!fir.ref<!fir.char<2,0>>, !fir.ref<!fir.char<2,0>>)75    %8 = fir.load %1#0 : !fir.ref<!fir.logical<4>>76    %9 = hlfir.index %7#0 in %5#0 back %8 : (!fir.ref<!fir.char<2,0>>, !fir.boxchar<2>, !fir.logical<4>) -> i3277    hlfir.assign %9 to %3#0 : i32, !fir.ref<i32>78    return79}80 81// inline as search loop (backward)82func.func @_QPt3(%arg0: !fir.boxchar<2> {fir.bindc_name = "s"}) {83// CHECK-LABEL:   func.func @_QPt3(84// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<2> {fir.bindc_name = "s"}) {85// CHECK:           %[[VAL_0:.*]] = arith.constant 0 : index86// CHECK:           %[[VAL_1:.*]] = arith.constant 1 : index87// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope88// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt3En"}89// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt3En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)90// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)91// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt3Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)92// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>93// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)94// CHECK:           %[[VAL_9:.*]] = hlfir.designate %[[VAL_8]]#0  substr %[[VAL_1]], %[[VAL_1]]  typeparams %[[VAL_1]] : (!fir.ref<!fir.char<2>>, index, index, index) -> !fir.ref<!fir.char<2>>95// CHECK:           %[[VAL_10:.*]] = fir.load %[[VAL_9]] : !fir.ref<!fir.char<2>>96// CHECK:           %[[VAL_11:.*]] = fir.extract_value %[[VAL_10]], [0 : index] : (!fir.char<2>) -> i1697// CHECK:           %[[VAL_12:.*]] = arith.addi %[[VAL_5]]#1, %[[VAL_1]] : index98// CHECK:           %[[VAL_13:.*]] = fir.do_loop %[[VAL_14:.*]] = %[[VAL_1]] to %[[VAL_5]]#1 step %[[VAL_1]] iter_args(%[[VAL_15:.*]] = %[[VAL_0]]) -> (index) {99// CHECK:             %[[VAL_16:.*]] = arith.cmpi eq, %[[VAL_15]], %[[VAL_0]] : index100// CHECK:             %[[VAL_17:.*]] = fir.if %[[VAL_16]] -> (index) {101// CHECK:               %[[VAL_18:.*]] = arith.subi %[[VAL_12]], %[[VAL_14]] : index102// CHECK:               %[[VAL_19:.*]] = hlfir.designate %[[VAL_6]]#0  substr %[[VAL_18]], %[[VAL_18]]  typeparams %[[VAL_1]] : (!fir.boxchar<2>, index, index, index) -> !fir.ref<!fir.char<2>>103// CHECK:               %[[VAL_20:.*]] = fir.load %[[VAL_19]] : !fir.ref<!fir.char<2>>104// CHECK:               %[[VAL_21:.*]] = fir.extract_value %[[VAL_20]], [0 : index] : (!fir.char<2>) -> i16105// CHECK:               %[[VAL_22:.*]] = arith.cmpi eq, %[[VAL_21]], %[[VAL_11]] : i16106// CHECK:               %[[VAL_23:.*]] = arith.select %[[VAL_22]], %[[VAL_18]], %[[VAL_15]] : index107// CHECK:               fir.result %[[VAL_23]] : index108// CHECK:             } else {109// CHECK:               fir.result %[[VAL_15]] : index110// CHECK:             }111// CHECK:             fir.result %[[VAL_17]] : index112// CHECK:           }113// CHECK:           %[[VAL_24:.*]] = fir.convert %[[VAL_13]] : (index) -> i32114// CHECK:           hlfir.assign %[[VAL_24]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>115// CHECK:           return116// CHECK:         }117    %0 = fir.dummy_scope : !fir.dscope118    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt3En"}119    %2:2 = hlfir.declare %1 {uniq_name = "_QFt3En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)120    %3:2 = fir.unboxchar %arg0 : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)121    %4:2 = hlfir.declare %3#0 typeparams %3#1 dummy_scope %0 {uniq_name = "_QFt3Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)122    %5 = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>123    %c1 = arith.constant 1 : index124    %6:2 = hlfir.declare %5 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)125    %true = arith.constant true126    %7 = hlfir.index %6#0 in %4#0 back %true : (!fir.ref<!fir.char<2>>, !fir.boxchar<2>, i1) -> i32127    hlfir.assign %7 to %2#0 : i32, !fir.ref<i32>128    return129}130 131//inline as search loop (forward)132func.func @_QPt4(%arg0: !fir.boxchar<2> {fir.bindc_name = "s"}) {133// CHECK-LABEL:   func.func @_QPt4(134// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<2> {fir.bindc_name = "s"}) {135// CHECK:           %[[VAL_0:.*]] = arith.constant 0 : index136// CHECK:           %[[VAL_1:.*]] = arith.constant 1 : index137// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope138// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt4En"}139// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt4En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)140// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)141// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt4Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)142// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>143// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)144// CHECK:           %[[VAL_9:.*]] = hlfir.designate %[[VAL_8]]#0  substr %[[VAL_1]], %[[VAL_1]]  typeparams %[[VAL_1]] : (!fir.ref<!fir.char<2>>, index, index, index) -> !fir.ref<!fir.char<2>>145// CHECK:           %[[VAL_10:.*]] = fir.load %[[VAL_9]] : !fir.ref<!fir.char<2>>146// CHECK:           %[[VAL_11:.*]] = fir.extract_value %[[VAL_10]], [0 : index] : (!fir.char<2>) -> i16147// CHECK:           %[[VAL_12:.*]] = fir.do_loop %[[VAL_13:.*]] = %[[VAL_1]] to %[[VAL_5]]#1 step %[[VAL_1]] iter_args(%[[VAL_14:.*]] = %[[VAL_0]]) -> (index) {148// CHECK:             %[[VAL_15:.*]] = arith.cmpi eq, %[[VAL_14]], %[[VAL_0]] : index149// CHECK:             %[[VAL_16:.*]] = fir.if %[[VAL_15]] -> (index) {150// CHECK:               %[[VAL_17:.*]] = hlfir.designate %[[VAL_6]]#0  substr %[[VAL_13]], %[[VAL_13]]  typeparams %[[VAL_1]] : (!fir.boxchar<2>, index, index, index) -> !fir.ref<!fir.char<2>>151// CHECK:               %[[VAL_18:.*]] = fir.load %[[VAL_17]] : !fir.ref<!fir.char<2>>152// CHECK:               %[[VAL_19:.*]] = fir.extract_value %[[VAL_18]], [0 : index] : (!fir.char<2>) -> i16153// CHECK:               %[[VAL_20:.*]] = arith.cmpi eq, %[[VAL_19]], %[[VAL_11]] : i16154// CHECK:               %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_13]], %[[VAL_14]] : index155// CHECK:               fir.result %[[VAL_21]] : index156// CHECK:             } else {157// CHECK:               fir.result %[[VAL_14]] : index158// CHECK:             }159// CHECK:             fir.result %[[VAL_16]] : index160// CHECK:           }161// CHECK:           %[[VAL_22:.*]] = fir.convert %[[VAL_12]] : (index) -> i32162// CHECK:           hlfir.assign %[[VAL_22]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>163// CHECK:           return164// CHECK:         }165    %0 = fir.dummy_scope : !fir.dscope166    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt4En"}167    %2:2 = hlfir.declare %1 {uniq_name = "_QFt4En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)168    %3:2 = fir.unboxchar %arg0 : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)169    %4:2 = hlfir.declare %3#0 typeparams %3#1 dummy_scope %0 {uniq_name = "_QFt4Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)170    %5 = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>171    %c1 = arith.constant 1 : index172    %6:2 = hlfir.declare %5 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)173    %false = arith.constant false174    %7 = hlfir.index %6#0 in %4#0 back %false : (!fir.ref<!fir.char<2>>, !fir.boxchar<2>, i1) -> i32175    hlfir.assign %7 to %2#0 : i32, !fir.ref<i32>176    return177}178 179// Same as t4 above but result kind=1180func.func @_QPt5(%arg0: !fir.boxchar<2> {fir.bindc_name = "s"}) {181// CHECK-LABEL:   func.func @_QPt5(182// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<2> {fir.bindc_name = "s"}) {183// CHECK:           %[[VAL_0:.*]] = arith.constant 0 : index184// CHECK:           %[[VAL_1:.*]] = arith.constant 1 : index185// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope186// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt5En"}187// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt5En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)188// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)189// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt5Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)190// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>191// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)192// CHECK:           %[[VAL_9:.*]] = hlfir.designate %[[VAL_8]]#0  substr %[[VAL_1]], %[[VAL_1]]  typeparams %[[VAL_1]] : (!fir.ref<!fir.char<2>>, index, index, index) -> !fir.ref<!fir.char<2>>193// CHECK:           %[[VAL_10:.*]] = fir.load %[[VAL_9]] : !fir.ref<!fir.char<2>>194// CHECK:           %[[VAL_11:.*]] = fir.extract_value %[[VAL_10]], [0 : index] : (!fir.char<2>) -> i16195// CHECK:           %[[VAL_12:.*]] = fir.do_loop %[[VAL_13:.*]] = %[[VAL_1]] to %[[VAL_5]]#1 step %[[VAL_1]] iter_args(%[[VAL_14:.*]] = %[[VAL_0]]) -> (index) {196// CHECK:             %[[VAL_15:.*]] = arith.cmpi eq, %[[VAL_14]], %[[VAL_0]] : index197// CHECK:             %[[VAL_16:.*]] = fir.if %[[VAL_15]] -> (index) {198// CHECK:               %[[VAL_17:.*]] = hlfir.designate %[[VAL_6]]#0  substr %[[VAL_13]], %[[VAL_13]]  typeparams %[[VAL_1]] : (!fir.boxchar<2>, index, index, index) -> !fir.ref<!fir.char<2>>199// CHECK:               %[[VAL_18:.*]] = fir.load %[[VAL_17]] : !fir.ref<!fir.char<2>>200// CHECK:               %[[VAL_19:.*]] = fir.extract_value %[[VAL_18]], [0 : index] : (!fir.char<2>) -> i16201// CHECK:               %[[VAL_20:.*]] = arith.cmpi eq, %[[VAL_19]], %[[VAL_11]] : i16202// CHECK:               %[[VAL_21:.*]] = arith.select %[[VAL_20]], %[[VAL_13]], %[[VAL_14]] : index203// CHECK:               fir.result %[[VAL_21]] : index204// CHECK:             } else {205// CHECK:               fir.result %[[VAL_14]] : index206// CHECK:             }207// CHECK:             fir.result %[[VAL_16]] : index208// CHECK:           }209// CHECK:           %[[VAL_22:.*]] = fir.convert %[[VAL_12]] : (index) -> i8210// CHECK:           %[[VAL_23:.*]] = fir.convert %[[VAL_22]] : (i8) -> i32211// CHECK:           hlfir.assign %[[VAL_23]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>212// CHECK:           return213// CHECK:         }214    %0 = fir.dummy_scope : !fir.dscope215    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt5En"}216    %2:2 = hlfir.declare %1 {uniq_name = "_QFt5En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)217    %3:2 = fir.unboxchar %arg0 : (!fir.boxchar<2>) -> (!fir.ref<!fir.char<2,?>>, index)218    %4:2 = hlfir.declare %3#0 typeparams %3#1 dummy_scope %0 {uniq_name = "_QFt5Es"} : (!fir.ref<!fir.char<2,?>>, index, !fir.dscope) -> (!fir.boxchar<2>, !fir.ref<!fir.char<2,?>>)219    %5 = fir.address_of(@_QQcl2X6500) : !fir.ref<!fir.char<2>>220    %c1 = arith.constant 1 : index221    %6:2 = hlfir.declare %5 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQcl2X6500"} : (!fir.ref<!fir.char<2>>, index) -> (!fir.ref<!fir.char<2>>, !fir.ref<!fir.char<2>>)222    %false = arith.constant false223    %7 = hlfir.index %6#0 in %4#0 back %false : (!fir.ref<!fir.char<2>>, !fir.boxchar<2>, i1) -> i8224    %8 = fir.convert %7 : (i8) -> i32225    hlfir.assign %8 to %2#0 : i32, !fir.ref<i32>226    return227  }228 229// Do no simplify - runtime call for forward search with character kind=1 is faster230func.func @_QPt6(%arg0: !fir.boxchar<1> {fir.bindc_name = "s"}) {231// CHECK-LABEL:   func.func @_QPt6(232// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<1> {fir.bindc_name = "s"}) {233// CHECK:           %[[VAL_0:.*]] = arith.constant false234// CHECK:           %[[VAL_1:.*]] = arith.constant 1 : index235// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope236// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt6En"}237// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt6En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)238// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)239// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt6Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)240// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>241// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)242// CHECK:           %[[VAL_9:.*]] = hlfir.index %[[VAL_8]]#0 in %[[VAL_6]]#0 back %[[VAL_0]] : (!fir.ref<!fir.char<1>>, !fir.boxchar<1>, i1) -> i32243// CHECK:           hlfir.assign %[[VAL_9]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>244// CHECK:           return245// CHECK:         }246    %0 = fir.dummy_scope : !fir.dscope247    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt6En"}248    %2:2 = hlfir.declare %1 {uniq_name = "_QFt6En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)249    %3:2 = fir.unboxchar %arg0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)250    %4:2 = hlfir.declare %3#0 typeparams %3#1 dummy_scope %0 {uniq_name = "_QFt6Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)251    %5 = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>252    %c1 = arith.constant 1 : index253    %6:2 = hlfir.declare %5 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)254    %false = arith.constant false255    %7 = hlfir.index %6#0 in %4#0 back %false : (!fir.ref<!fir.char<1>>, !fir.boxchar<1>, i1) -> i32256    hlfir.assign %7 to %2#0 : i32, !fir.ref<i32>257    return258}259 260// Do not simplify - runtime call for forward search with character kind=1 is faster261// Lookup direction is unknown at compile time, hence forward is pessimistically assumed262func.func @_QPt7(%arg0: !fir.boxchar<1> {fir.bindc_name = "s"}, %arg1: !fir.ref<!fir.logical<4>> {fir.bindc_name = "b"}) {263// CHECK-LABEL:   func.func @_QPt7(264// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<1> {fir.bindc_name = "s"},265// CHECK-SAME:                     %[[ARG1:.*]]: !fir.ref<!fir.logical<4>> {fir.bindc_name = "b"}) {266// CHECK:           %[[VAL_0:.*]] = arith.constant 1 : index267// CHECK:           %[[VAL_1:.*]] = fir.dummy_scope : !fir.dscope268// CHECK:           %[[VAL_2:.*]]:2 = hlfir.declare %[[ARG1]] dummy_scope %[[VAL_1]] {uniq_name = "_QFt7Eb"} : (!fir.ref<!fir.logical<4>>, !fir.dscope) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)269// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt7En"}270// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt7En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)271// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)272// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_1]] {uniq_name = "_QFt7Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)273// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>274// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_0]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)275// CHECK:           %[[VAL_9:.*]] = fir.load %[[VAL_2]]#0 : !fir.ref<!fir.logical<4>>276// CHECK:           %[[VAL_10:.*]] = hlfir.index %[[VAL_8]]#0 in %[[VAL_6]]#0 back %[[VAL_9]] : (!fir.ref<!fir.char<1>>, !fir.boxchar<1>, !fir.logical<4>) -> i32277// CHECK:           hlfir.assign %[[VAL_10]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>278// CHECK:           return279// CHECK:         }280    %0 = fir.dummy_scope : !fir.dscope281    %1:2 = hlfir.declare %arg1 dummy_scope %0 {uniq_name = "_QFt7Eb"} : (!fir.ref<!fir.logical<4>>, !fir.dscope) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)282    %2 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt7En"}283    %3:2 = hlfir.declare %2 {uniq_name = "_QFt7En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)284    %4:2 = fir.unboxchar %arg0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)285    %5:2 = hlfir.declare %4#0 typeparams %4#1 dummy_scope %0 {uniq_name = "_QFt7Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)286    %6 = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>287    %c1 = arith.constant 1 : index288    %7:2 = hlfir.declare %6 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)289    %8 = fir.load %1#0 : !fir.ref<!fir.logical<4>>290    %9 = hlfir.index %7#0 in %5#0 back %8 : (!fir.ref<!fir.char<1>>, !fir.boxchar<1>, !fir.logical<4>) -> i32291    hlfir.assign %9 to %3#0 : i32, !fir.ref<i32>292    return293}294 295// Inline as backward search loop for character kind=1.296// The case similar to t7 but direction is known, so it is faster than runtime call.297func.func @_QPt8(%arg0: !fir.boxchar<1> {fir.bindc_name = "s"}) {298// CHECK-LABEL:   func.func @_QPt8(299// CHECK-SAME:                     %[[ARG0:.*]]: !fir.boxchar<1> {fir.bindc_name = "s"}) {300// CHECK:           %[[VAL_0:.*]] = arith.constant 0 : index301// CHECK:           %[[VAL_1:.*]] = arith.constant 1 : index302// CHECK:           %[[VAL_2:.*]] = fir.dummy_scope : !fir.dscope303// CHECK:           %[[VAL_3:.*]] = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt8En"}304// CHECK:           %[[VAL_4:.*]]:2 = hlfir.declare %[[VAL_3]] {uniq_name = "_QFt8En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)305// CHECK:           %[[VAL_5:.*]]:2 = fir.unboxchar %[[ARG0]] : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)306// CHECK:           %[[VAL_6:.*]]:2 = hlfir.declare %[[VAL_5]]#0 typeparams %[[VAL_5]]#1 dummy_scope %[[VAL_2]] {uniq_name = "_QFt8Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)307// CHECK:           %[[VAL_7:.*]] = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>308// CHECK:           %[[VAL_8:.*]]:2 = hlfir.declare %[[VAL_7]] typeparams %[[VAL_1]] {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)309// CHECK:           %[[VAL_9:.*]] = hlfir.designate %[[VAL_8]]#0  substr %[[VAL_1]], %[[VAL_1]]  typeparams %[[VAL_1]] : (!fir.ref<!fir.char<1>>, index, index, index) -> !fir.ref<!fir.char<1>>310// CHECK:           %[[VAL_10:.*]] = fir.load %[[VAL_9]] : !fir.ref<!fir.char<1>>311// CHECK:           %[[VAL_11:.*]] = fir.extract_value %[[VAL_10]], [0 : index] : (!fir.char<1>) -> i8312// CHECK:           %[[VAL_12:.*]] = arith.addi %[[VAL_5]]#1, %[[VAL_1]] : index313// CHECK:           %[[VAL_13:.*]] = fir.do_loop %[[VAL_14:.*]] = %[[VAL_1]] to %[[VAL_5]]#1 step %[[VAL_1]] iter_args(%[[VAL_15:.*]] = %[[VAL_0]]) -> (index) {314// CHECK:             %[[VAL_16:.*]] = arith.cmpi eq, %[[VAL_15]], %[[VAL_0]] : index315// CHECK:             %[[VAL_17:.*]] = fir.if %[[VAL_16]] -> (index) {316// CHECK:               %[[VAL_18:.*]] = arith.subi %[[VAL_12]], %[[VAL_14]] : index317// CHECK:               %[[VAL_19:.*]] = hlfir.designate %[[VAL_6]]#0  substr %[[VAL_18]], %[[VAL_18]]  typeparams %[[VAL_1]] : (!fir.boxchar<1>, index, index, index) -> !fir.ref<!fir.char<1>>318// CHECK:               %[[VAL_20:.*]] = fir.load %[[VAL_19]] : !fir.ref<!fir.char<1>>319// CHECK:               %[[VAL_21:.*]] = fir.extract_value %[[VAL_20]], [0 : index] : (!fir.char<1>) -> i8320// CHECK:               %[[VAL_22:.*]] = arith.cmpi eq, %[[VAL_21]], %[[VAL_11]] : i8321// CHECK:               %[[VAL_23:.*]] = arith.select %[[VAL_22]], %[[VAL_18]], %[[VAL_15]] : index322// CHECK:               fir.result %[[VAL_23]] : index323// CHECK:             } else {324// CHECK:               fir.result %[[VAL_15]] : index325// CHECK:             }326// CHECK:             fir.result %[[VAL_17]] : index327// CHECK:           }328// CHECK:           %[[VAL_24:.*]] = fir.convert %[[VAL_13]] : (index) -> i32329// CHECK:           hlfir.assign %[[VAL_24]] to %[[VAL_4]]#0 : i32, !fir.ref<i32>330// CHECK:           return331// CHECK:         }332    %0 = fir.dummy_scope : !fir.dscope333    %1 = fir.alloca i32 {bindc_name = "n", uniq_name = "_QFt8En"}334    %2:2 = hlfir.declare %1 {uniq_name = "_QFt8En"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)335    %3:2 = fir.unboxchar %arg0 : (!fir.boxchar<1>) -> (!fir.ref<!fir.char<1,?>>, index)336    %4:2 = hlfir.declare %3#0 typeparams %3#1 dummy_scope %0 {uniq_name = "_QFt8Es"} : (!fir.ref<!fir.char<1,?>>, index, !fir.dscope) -> (!fir.boxchar<1>, !fir.ref<!fir.char<1,?>>)337    %5 = fir.address_of(@_QQclX65) : !fir.ref<!fir.char<1>>338    %c1 = arith.constant 1 : index339    %6:2 = hlfir.declare %5 typeparams %c1 {fortran_attrs = #fir.var_attrs<parameter>, uniq_name = "_QQclX65"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)340    %true = arith.constant true341    %7 = hlfir.index %6#0 in %4#0 back %true : (!fir.ref<!fir.char<1>>, !fir.boxchar<1>, i1) -> i32342    hlfir.assign %7 to %2#0 : i32, !fir.ref<i32>343    return344}345 346