Problem 079
Shortest passcode consistent with keylog login occurrences.
View problem on Project Euler
Performance comparison
| Metric | Our solution | Best known |
| Time complexity | O(n^3) | O(n!) |
| Space complexity | O(1) | O(n) |
| Approach | Flow solution | Permutation enumeration or constraint search |
| Verdict | Optimal |
Flow source
# Project Euler 079
# Shortest passcode consistent with keylog login occurrences.
extern {
function fopen(path: string, mode: string) -> ptr<void>
function fgetc(f: ptr<void>) -> i32
function fclose(f: ptr<void>) -> i32
function calloc(n: i64, size: i64) -> ptr<void>
function free(p: ptr<void>) -> void
}
function main() -> i32 {
# before[d*10+e] = 1 if d must appear before e
let before: ptr<i8> = calloc(100, 1)
let used: ptr<i8> = calloc(10, 1)
if before == null || used == null { return 1 }
let f: ptr<void> = fopen("data/p079.txt", "r")
if f == null {
printf("failed to read data/p079.txt\n")
return 1
}
let mut c: i32 = fgetc(f)
while c >= 0 {
while c >= 0 && (c < 48 || c > 57) {
c = fgetc(f)
}
if c < 0 { break }
let a: i32 = c - 48
c = fgetc(f)
let b: i32 = c - 48
c = fgetc(f)
let d: i32 = c - 48
used[a] = 1
used[b] = 1
used[d] = 1
before[a * 10 + b] = 1
before[b * 10 + d] = 1
before[a * 10 + d] = 1
c = fgetc(f)
}
fclose(f)
# transitive closure (Floyd) so topological order is unique/shortest
let mut k: i32 = 0
while k < 10 {
let mut i: i32 = 0
while i < 10 {
let mut j: i32 = 0
while j < 10 {
if before[i * 10 + k] != 0 && before[k * 10 + j] != 0 {
before[i * 10 + j] = 1
}
j = j + 1
}
i = i + 1
}
k = k + 1
}
# indegree among used digits
let indeg: ptr<i32> = calloc(10, 4)
if indeg == null { return 1 }
let mut i: i32 = 0
while i < 10 {
if used[i] != 0 {
let mut j: i32 = 0
while j < 10 {
if used[j] != 0 && before[j * 10 + i] != 0 {
indeg[i] = indeg[i] + 1
}
j = j + 1
}
}
i = i + 1
}
let mut result: i64 = 0
let mut remaining: i32 = 0
i = 0
while i < 10 {
if used[i] != 0 { remaining = remaining + 1 }
i = i + 1
}
while remaining > 0 {
let mut pick: i32 = -1
i = 0
while i < 10 {
if used[i] != 0 && indeg[i] == 0 {
pick = i
break
}
i = i + 1
}
if pick < 0 { break }
result = result * 10 + (pick as i64)
used[pick] = 0
remaining = remaining - 1
let mut j: i32 = 0
while j < 10 {
if before[pick * 10 + j] != 0 && used[j] != 0 {
indeg[j] = indeg[j] - 1
}
j = j + 1
}
}
printf("%lld\n", result)
free(before)
free(used)
free(indeg)
return 0
}
Generated C
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Flow runtime helpers */
typedef struct flow_temp_node { struct flow_temp_node* next; } flow_temp_node;
static flow_temp_node* flow_temp_head = NULL;
static int flow_temp_atexit_set = 0;
__attribute__((unused)) static void flow_temp_free_all(void) {
while (flow_temp_head) {
flow_temp_node* n = flow_temp_head;
flow_temp_head = n->next;
free(n);
}
}
__attribute__((unused)) static void* flow_temp_alloc(size_t nbytes) {
flow_temp_node* node = (flow_temp_node*)malloc(sizeof(flow_temp_node) + nbytes);
if (!node) return NULL;
node->next = flow_temp_head;
flow_temp_head = node;
if (!flow_temp_atexit_set) {
flow_temp_atexit_set = 1;
atexit(flow_temp_free_all);
}
return (void*)(node + 1);
}
#ifndef FLOW_DIAG
#define FLOW_DIAG(msg) fprintf(stderr, "%s", (msg))
#endif
#ifndef FLOW_LOG
#define FLOW_LOG(fmt, ...) printf(fmt, __VA_ARGS__)
#endif
#ifndef FLOW_LOG_EMPTY
#define FLOW_LOG_EMPTY(fmt) printf(fmt)
#endif
static char* flow_strcat(const char* a, const char* b) {
size_t la = strlen(a ? a : ""), lb = strlen(b ? b : "");
char* r = (char*)flow_temp_alloc(la + lb + 1);
if (!r) return NULL;
if (la) memcpy(r, a, la);
if (lb) memcpy(r + la, b, lb);
r[la + lb] = '\0';
return r;
}
#define __flow_in_arr(arr, val) __extension__ ({ \
int _found = 0; \
size_t _n = sizeof(arr)/sizeof((arr)[0]); \
for (size_t _i = 0; _i < _n; _i++) { \
if ((arr)[_i] == (val)) { _found = 1; break; } \
} _found; })
/* Unified fault handler (MISRA #279) — override with -DFLOW_FAULT_HANDLER=fn */
#ifndef FLOW_FAULT_HANDLER
__attribute__((unused)) static inline void flow_fault_handler(const char* msg) {
fprintf(stderr, "flow: %s\n", msg ? msg : "fault");
abort();
#if defined(__GNUC__) || defined(__clang__)
__builtin_unreachable();
#endif
}
#else
#define flow_fault_handler FLOW_FAULT_HANDLER
#endif
#define flow_div_by_zero_handler() flow_fault_handler("division by zero")
#define flow_shift_ub_handler() flow_fault_handler("invalid shift (amount out of range or left-shift of negative)")
#ifndef FLOW_CHECKED_DIV
#define FLOW_CHECKED_DIV(L, R) (((R) != 0) ? ((L) / (R)) : (flow_div_by_zero_handler(), (L) * 0))
#endif
#ifndef FLOW_CHECKED_MOD
#define FLOW_CHECKED_MOD(L, R) (((R) != 0) ? ((L) % (R)) : (flow_div_by_zero_handler(), (L) * 0))
#endif
#ifndef FLOW_CHECKED_SHL
#define FLOW_CHECKED_SHL(L, R) ((((R) >= 0) && ((unsigned long long)(R) < (sizeof(L) * 8ull)) && ((L) >= 0)) ? ((L) << (R)) : (flow_shift_ub_handler(), (L) * 0))
#endif
#ifndef FLOW_CHECKED_SHR
#define FLOW_CHECKED_SHR(L, R) ((((R) >= 0) && ((unsigned long long)(R) < (sizeof(L) * 8ull))) ? ((L) >> (R)) : (flow_shift_ub_handler(), (L) * 0))
#endif
#include <math.h>
void* _ui_state = NULL;
static inline float i32_to_f32(int32_t v) { return (float)v; }
/* Host stub for @gpu kernels (device codegen replaces this). */
static inline int32_t gpu_thread_id(void) { return 0; }
int32_t main(void);
int32_t main(void) {
int8_t* before = (int8_t*)(calloc(100, 1));
int8_t* used = (int8_t*)(calloc(10, 1));
if ((before == NULL || used == NULL)) {
return 1;
}
void* f = (void*)(fopen("data/p079.txt", "r"));
if (f == NULL) {
printf("failed to read data/p079.txt\n");
return 1;
}
int32_t c = fgetc(f);
while (c >= 0) {
while ((c >= 0 && (c < 48 || c > 57))) {
c = fgetc(f);
}
if (c < 0) {
break;
}
int32_t a = (c - 48);
c = fgetc(f);
int32_t b = (c - 48);
c = fgetc(f);
int32_t d = (c - 48);
used[a] = 1;
used[b] = 1;
used[d] = 1;
before[((a * 10) + b)] = 1;
before[((b * 10) + d)] = 1;
before[((a * 10) + d)] = 1;
c = fgetc(f);
}
fclose(f);
int32_t k = 0;
while (k < 10) {
int32_t i = 0;
while (i < 10) {
int32_t j = 0;
while (j < 10) {
if ((before[((i * 10) + k)] != 0 && before[((k * 10) + j)] != 0)) {
before[((i * 10) + j)] = 1;
}
j = (j + 1);
}
i = (i + 1);
}
k = (k + 1);
}
int32_t* indeg = (int32_t*)(calloc(10, 4));
if (indeg == NULL) {
return 1;
}
int32_t i = 0;
while (i < 10) {
if (used[i] != 0) {
int32_t j = 0;
while (j < 10) {
if ((used[j] != 0 && before[((j * 10) + i)] != 0)) {
indeg[i] = (indeg[i] + 1);
}
j = (j + 1);
}
}
i = (i + 1);
}
int64_t result = 0;
int32_t remaining = 0;
i = 0;
while (i < 10) {
if (used[i] != 0) {
remaining = (remaining + 1);
}
i = (i + 1);
}
while (remaining > 0) {
int32_t pick = (-1);
i = 0;
while (i < 10) {
if ((used[i] != 0 && indeg[i] == 0)) {
pick = i;
break;
}
i = (i + 1);
}
if (pick < 0) {
break;
}
result = ((result * 10) + ((int64_t)(pick)));
used[pick] = 0;
remaining = (remaining - 1);
int32_t j = 0;
while (j < 10) {
if ((before[((pick * 10) + j)] != 0 && used[j] != 0)) {
indeg[j] = (indeg[j] - 1);
}
j = (j + 1);
}
}
printf("%lld\n", result);
free(before);
free(used);
free(indeg);
return 0;
}
Generated MLIR
module {
llvm.func @printf(!llvm.ptr, ...) -> i32
llvm.mlir.global internal constant @str_0("data/p079.txt\00") {addr_space = 0 : i32} : !llvm.array<14 x i8>
llvm.mlir.global internal constant @str_1("r\00") {addr_space = 0 : i32} : !llvm.array<2 x i8>
llvm.mlir.global internal constant @str_2("failed to read data/p079.txt\n\00") {addr_space = 0 : i32} : !llvm.array<30 x i8>
llvm.mlir.global internal constant @str_3("%lld\n\00") {addr_space = 0 : i32} : !llvm.array<6 x i8>
func.func private @fopen(!llvm.ptr, !llvm.ptr) -> !llvm.ptr
func.func private @fgetc(!llvm.ptr) -> i32
func.func private @fclose(!llvm.ptr) -> i32
func.func private @calloc(i64, i64) -> !llvm.ptr
func.func private @free(!llvm.ptr) -> ()
func.func @main() -> i32 {
%1 = arith.constant 100 : i32
%2 = arith.constant 1 : i32
%3 = arith.extsi %1 : i32 to i64
%4 = arith.extsi %2 : i32 to i64
%0 = func.call @calloc(%3, %4) : (i64, i64) -> !llvm.ptr
%6 = arith.constant 10 : i32
%7 = arith.constant 1 : i32
%8 = arith.extsi %6 : i32 to i64
%9 = arith.extsi %7 : i32 to i64
%5 = func.call @calloc(%8, %9) : (i64, i64) -> !llvm.ptr
%10 = llvm.mlir.zero : !llvm.ptr
%11 = llvm.icmp "eq" %0, %10 : !llvm.ptr
%12 = scf.if %11 -> (i1) {
%13 = arith.constant true
scf.yield %13 : i1
} else {
%14 = llvm.mlir.zero : !llvm.ptr
%15 = llvm.icmp "eq" %5, %14 : !llvm.ptr
scf.yield %15 : i1
}
cf.cond_br %12, ^bb0, ^bb1
^bb0:
%16 = arith.constant 1 : i32
func.return %16 : i32
^bb1:
cf.br ^bb2
^bb2:
%18 = llvm.mlir.addressof @str_0 : !llvm.ptr
%19 = llvm.mlir.addressof @str_1 : !llvm.ptr
%17 = func.call @fopen(%18, %19) : (!llvm.ptr, !llvm.ptr) -> !llvm.ptr
%20 = llvm.mlir.zero : !llvm.ptr
%21 = llvm.icmp "eq" %17, %20 : !llvm.ptr
cf.cond_br %21, ^bb3, ^bb4
^bb3:
%22 = llvm.mlir.addressof @str_2 : !llvm.ptr
%23 = llvm.call @printf(%22) vararg(!llvm.func<i32 (ptr, ...)>) : (!llvm.ptr) -> i32
%24 = arith.constant 1 : i32
func.return %24 : i32
^bb4:
cf.br ^bb5
^bb5:
%25 = func.call @fgetc(%17) : (!llvm.ptr) -> i32
%26 = llvm.mlir.constant(1 : i64) : i64
%27 = llvm.alloca %26 x i32 : (i64) -> !llvm.ptr
llvm.store %25, %27 : i32, !llvm.ptr
cf.br ^bb6
^bb6:
%28 = llvm.load %27 : !llvm.ptr -> i32
%29 = arith.constant 0 : i32
%30 = arith.cmpi sge, %28, %29 : i32
cf.cond_br %30, ^bb7, ^bb8
^bb7:
cf.br ^bb9
^bb9:
%31 = llvm.load %27 : !llvm.ptr -> i32
%32 = arith.constant 0 : i32
%33 = arith.cmpi sge, %31, %32 : i32
%34 = scf.if %33 -> (i1) {
%35 = llvm.load %27 : !llvm.ptr -> i32
%36 = arith.constant 48 : i32
%37 = arith.cmpi slt, %35, %36 : i32
%38 = scf.if %37 -> (i1) {
%39 = arith.constant true
scf.yield %39 : i1
} else {
%40 = llvm.load %27 : !llvm.ptr -> i32
%41 = arith.constant 57 : i32
%42 = arith.cmpi sgt, %40, %41 : i32
scf.yield %42 : i1
}
scf.yield %38 : i1
} else {
%43 = arith.constant false
scf.yield %43 : i1
}
cf.cond_br %34, ^bb10, ^bb11
^bb10:
%44 = func.call @fgetc(%17) : (!llvm.ptr) -> i32
llvm.store %44, %27 : i32, !llvm.ptr
cf.br ^bb9
^bb11:
%45 = llvm.load %27 : !llvm.ptr -> i32
%46 = arith.constant 0 : i32
%47 = arith.cmpi slt, %45, %46 : i32
cf.cond_br %47, ^bb12, ^bb13
^bb12:
cf.br ^bb8
^bb13:
cf.br ^bb14
^bb14:
%48 = llvm.load %27 : !llvm.ptr -> i32
%49 = arith.constant 48 : i32
%50 = arith.subi %48, %49 : i32
%51 = func.call @fgetc(%17) : (!llvm.ptr) -> i32
llvm.store %51, %27 : i32, !llvm.ptr
%52 = llvm.load %27 : !llvm.ptr -> i32
%53 = arith.constant 48 : i32
%54 = arith.subi %52, %53 : i32
%55 = func.call @fgetc(%17) : (!llvm.ptr) -> i32
llvm.store %55, %27 : i32, !llvm.ptr
%56 = llvm.load %27 : !llvm.ptr -> i32
%57 = arith.constant 48 : i32
%58 = arith.subi %56, %57 : i32
%59 = arith.constant 1 : i32
%60 = arith.trunci %59 : i32 to i8
%61 = arith.extsi %50 : i32 to i64
%62 = llvm.getelementptr %5[%61] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %60, %62 : i8, !llvm.ptr
%63 = arith.constant 1 : i32
%64 = arith.trunci %63 : i32 to i8
%65 = arith.extsi %54 : i32 to i64
%66 = llvm.getelementptr %5[%65] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %64, %66 : i8, !llvm.ptr
%67 = arith.constant 1 : i32
%68 = arith.trunci %67 : i32 to i8
%69 = arith.extsi %58 : i32 to i64
%70 = llvm.getelementptr %5[%69] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %68, %70 : i8, !llvm.ptr
%71 = arith.constant 1 : i32
%72 = arith.constant 10 : i32
%73 = arith.muli %50, %72 : i32
%74 = arith.addi %73, %54 : i32
%75 = arith.trunci %71 : i32 to i8
%76 = arith.extsi %74 : i32 to i64
%77 = llvm.getelementptr %0[%76] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %75, %77 : i8, !llvm.ptr
%78 = arith.constant 1 : i32
%79 = arith.constant 10 : i32
%80 = arith.muli %54, %79 : i32
%81 = arith.addi %80, %58 : i32
%82 = arith.trunci %78 : i32 to i8
%83 = arith.extsi %81 : i32 to i64
%84 = llvm.getelementptr %0[%83] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %82, %84 : i8, !llvm.ptr
%85 = arith.constant 1 : i32
%86 = arith.constant 10 : i32
%87 = arith.muli %50, %86 : i32
%88 = arith.addi %87, %58 : i32
%89 = arith.trunci %85 : i32 to i8
%90 = arith.extsi %88 : i32 to i64
%91 = llvm.getelementptr %0[%90] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %89, %91 : i8, !llvm.ptr
%92 = func.call @fgetc(%17) : (!llvm.ptr) -> i32
llvm.store %92, %27 : i32, !llvm.ptr
cf.br ^bb6
^bb8:
%93 = func.call @fclose(%17) : (!llvm.ptr) -> i32
%94 = arith.constant 0 : i32
%95 = llvm.mlir.constant(1 : i64) : i64
%96 = llvm.alloca %95 x i32 : (i64) -> !llvm.ptr
llvm.store %94, %96 : i32, !llvm.ptr
cf.br ^bb15
^bb15:
%97 = llvm.load %96 : !llvm.ptr -> i32
%98 = arith.constant 10 : i32
%99 = arith.cmpi slt, %97, %98 : i32
cf.cond_br %99, ^bb16, ^bb17
^bb16:
%100 = arith.constant 0 : i32
%101 = llvm.mlir.constant(1 : i64) : i64
%102 = llvm.alloca %101 x i32 : (i64) -> !llvm.ptr
llvm.store %100, %102 : i32, !llvm.ptr
cf.br ^bb18
^bb18:
%103 = llvm.load %102 : !llvm.ptr -> i32
%104 = arith.constant 10 : i32
%105 = arith.cmpi slt, %103, %104 : i32
cf.cond_br %105, ^bb19, ^bb20
^bb19:
%106 = arith.constant 0 : i32
%107 = llvm.mlir.constant(1 : i64) : i64
%108 = llvm.alloca %107 x i32 : (i64) -> !llvm.ptr
llvm.store %106, %108 : i32, !llvm.ptr
cf.br ^bb21
^bb21:
%109 = llvm.load %108 : !llvm.ptr -> i32
%110 = arith.constant 10 : i32
%111 = arith.cmpi slt, %109, %110 : i32
cf.cond_br %111, ^bb22, ^bb23
^bb22:
%113 = llvm.load %102 : !llvm.ptr -> i32
%114 = arith.constant 10 : i32
%115 = arith.muli %113, %114 : i32
%116 = llvm.load %96 : !llvm.ptr -> i32
%117 = arith.addi %115, %116 : i32
%118 = arith.extsi %117 : i32 to i64
%119 = llvm.getelementptr %0[%118] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%112 = llvm.load %119 : !llvm.ptr -> i8
%120 = arith.constant 0 : i32
%122 = arith.extsi %112 : i8 to i32
%121 = arith.cmpi ne, %122, %120 : i32
%123 = scf.if %121 -> (i1) {
%125 = llvm.load %96 : !llvm.ptr -> i32
%126 = arith.constant 10 : i32
%127 = arith.muli %125, %126 : i32
%128 = llvm.load %108 : !llvm.ptr -> i32
%129 = arith.addi %127, %128 : i32
%130 = arith.extsi %129 : i32 to i64
%131 = llvm.getelementptr %0[%130] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%124 = llvm.load %131 : !llvm.ptr -> i8
%132 = arith.constant 0 : i32
%134 = arith.extsi %124 : i8 to i32
%133 = arith.cmpi ne, %134, %132 : i32
scf.yield %133 : i1
} else {
%135 = arith.constant false
scf.yield %135 : i1
}
cf.cond_br %123, ^bb24, ^bb25
^bb24:
%136 = arith.constant 1 : i32
%137 = llvm.load %102 : !llvm.ptr -> i32
%138 = arith.constant 10 : i32
%139 = arith.muli %137, %138 : i32
%140 = llvm.load %108 : !llvm.ptr -> i32
%141 = arith.addi %139, %140 : i32
%142 = arith.trunci %136 : i32 to i8
%143 = arith.extsi %141 : i32 to i64
%144 = llvm.getelementptr %0[%143] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %142, %144 : i8, !llvm.ptr
cf.br ^bb26
^bb25:
cf.br ^bb26
^bb26:
%145 = llvm.load %108 : !llvm.ptr -> i32
%146 = arith.constant 1 : i32
%147 = arith.addi %145, %146 : i32
llvm.store %147, %108 : i32, !llvm.ptr
cf.br ^bb21
^bb23:
%148 = llvm.load %102 : !llvm.ptr -> i32
%149 = arith.constant 1 : i32
%150 = arith.addi %148, %149 : i32
llvm.store %150, %102 : i32, !llvm.ptr
cf.br ^bb18
^bb20:
%151 = llvm.load %96 : !llvm.ptr -> i32
%152 = arith.constant 1 : i32
%153 = arith.addi %151, %152 : i32
llvm.store %153, %96 : i32, !llvm.ptr
cf.br ^bb15
^bb17:
%155 = arith.constant 10 : i32
%156 = arith.constant 4 : i32
%157 = arith.extsi %155 : i32 to i64
%158 = arith.extsi %156 : i32 to i64
%154 = func.call @calloc(%157, %158) : (i64, i64) -> !llvm.ptr
%159 = llvm.mlir.zero : !llvm.ptr
%160 = llvm.icmp "eq" %154, %159 : !llvm.ptr
cf.cond_br %160, ^bb27, ^bb28
^bb27:
%161 = arith.constant 1 : i32
func.return %161 : i32
^bb28:
cf.br ^bb29
^bb29:
%162 = arith.constant 0 : i32
%163 = llvm.mlir.constant(1 : i64) : i64
%164 = llvm.alloca %163 x i32 : (i64) -> !llvm.ptr
llvm.store %162, %164 : i32, !llvm.ptr
cf.br ^bb30
^bb30:
%165 = llvm.load %164 : !llvm.ptr -> i32
%166 = arith.constant 10 : i32
%167 = arith.cmpi slt, %165, %166 : i32
cf.cond_br %167, ^bb31, ^bb32
^bb31:
%169 = llvm.load %164 : !llvm.ptr -> i32
%170 = arith.extsi %169 : i32 to i64
%171 = llvm.getelementptr %5[%170] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%168 = llvm.load %171 : !llvm.ptr -> i8
%172 = arith.constant 0 : i32
%174 = arith.extsi %168 : i8 to i32
%173 = arith.cmpi ne, %174, %172 : i32
cf.cond_br %173, ^bb33, ^bb34
^bb33:
%175 = arith.constant 0 : i32
%176 = llvm.mlir.constant(1 : i64) : i64
%177 = llvm.alloca %176 x i32 : (i64) -> !llvm.ptr
llvm.store %175, %177 : i32, !llvm.ptr
cf.br ^bb36
^bb36:
%178 = llvm.load %177 : !llvm.ptr -> i32
%179 = arith.constant 10 : i32
%180 = arith.cmpi slt, %178, %179 : i32
cf.cond_br %180, ^bb37, ^bb38
^bb37:
%182 = llvm.load %177 : !llvm.ptr -> i32
%183 = arith.extsi %182 : i32 to i64
%184 = llvm.getelementptr %5[%183] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%181 = llvm.load %184 : !llvm.ptr -> i8
%185 = arith.constant 0 : i32
%187 = arith.extsi %181 : i8 to i32
%186 = arith.cmpi ne, %187, %185 : i32
%188 = scf.if %186 -> (i1) {
%190 = llvm.load %177 : !llvm.ptr -> i32
%191 = arith.constant 10 : i32
%192 = arith.muli %190, %191 : i32
%193 = llvm.load %164 : !llvm.ptr -> i32
%194 = arith.addi %192, %193 : i32
%195 = arith.extsi %194 : i32 to i64
%196 = llvm.getelementptr %0[%195] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%189 = llvm.load %196 : !llvm.ptr -> i8
%197 = arith.constant 0 : i32
%199 = arith.extsi %189 : i8 to i32
%198 = arith.cmpi ne, %199, %197 : i32
scf.yield %198 : i1
} else {
%200 = arith.constant false
scf.yield %200 : i1
}
cf.cond_br %188, ^bb39, ^bb40
^bb39:
%202 = llvm.load %164 : !llvm.ptr -> i32
%203 = arith.extsi %202 : i32 to i64
%204 = llvm.getelementptr %154[%203] : (!llvm.ptr, i64) -> !llvm.ptr, i32
%201 = llvm.load %204 : !llvm.ptr -> i32
%205 = arith.constant 1 : i32
%206 = arith.addi %201, %205 : i32
%207 = llvm.load %164 : !llvm.ptr -> i32
%208 = arith.extsi %207 : i32 to i64
%209 = llvm.getelementptr %154[%208] : (!llvm.ptr, i64) -> !llvm.ptr, i32
llvm.store %206, %209 : i32, !llvm.ptr
cf.br ^bb41
^bb40:
cf.br ^bb41
^bb41:
%210 = llvm.load %177 : !llvm.ptr -> i32
%211 = arith.constant 1 : i32
%212 = arith.addi %210, %211 : i32
llvm.store %212, %177 : i32, !llvm.ptr
cf.br ^bb36
^bb38:
cf.br ^bb35
^bb34:
cf.br ^bb35
^bb35:
%213 = llvm.load %164 : !llvm.ptr -> i32
%214 = arith.constant 1 : i32
%215 = arith.addi %213, %214 : i32
llvm.store %215, %164 : i32, !llvm.ptr
cf.br ^bb30
^bb32:
%216 = arith.constant 0 : i32
%217 = arith.extsi %216 : i32 to i64
%218 = llvm.mlir.constant(1 : i64) : i64
%219 = llvm.alloca %218 x i64 : (i64) -> !llvm.ptr
llvm.store %217, %219 : i64, !llvm.ptr
%220 = arith.constant 0 : i32
%221 = llvm.mlir.constant(1 : i64) : i64
%222 = llvm.alloca %221 x i32 : (i64) -> !llvm.ptr
llvm.store %220, %222 : i32, !llvm.ptr
%223 = arith.constant 0 : i32
llvm.store %223, %164 : i32, !llvm.ptr
cf.br ^bb42
^bb42:
%224 = llvm.load %164 : !llvm.ptr -> i32
%225 = arith.constant 10 : i32
%226 = arith.cmpi slt, %224, %225 : i32
cf.cond_br %226, ^bb43, ^bb44
^bb43:
%228 = llvm.load %164 : !llvm.ptr -> i32
%229 = arith.extsi %228 : i32 to i64
%230 = llvm.getelementptr %5[%229] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%227 = llvm.load %230 : !llvm.ptr -> i8
%231 = arith.constant 0 : i32
%233 = arith.extsi %227 : i8 to i32
%232 = arith.cmpi ne, %233, %231 : i32
cf.cond_br %232, ^bb45, ^bb46
^bb45:
%234 = llvm.load %222 : !llvm.ptr -> i32
%235 = arith.constant 1 : i32
%236 = arith.addi %234, %235 : i32
llvm.store %236, %222 : i32, !llvm.ptr
cf.br ^bb47
^bb46:
cf.br ^bb47
^bb47:
%237 = llvm.load %164 : !llvm.ptr -> i32
%238 = arith.constant 1 : i32
%239 = arith.addi %237, %238 : i32
llvm.store %239, %164 : i32, !llvm.ptr
cf.br ^bb42
^bb44:
cf.br ^bb48
^bb48:
%240 = llvm.load %222 : !llvm.ptr -> i32
%241 = arith.constant 0 : i32
%242 = arith.cmpi sgt, %240, %241 : i32
cf.cond_br %242, ^bb49, ^bb50
^bb49:
%243 = arith.constant 1 : i32
%245 = arith.constant 0 : i32
%244 = arith.subi %245, %243 : i32
%246 = llvm.mlir.constant(1 : i64) : i64
%247 = llvm.alloca %246 x i32 : (i64) -> !llvm.ptr
llvm.store %244, %247 : i32, !llvm.ptr
%248 = arith.constant 0 : i32
llvm.store %248, %164 : i32, !llvm.ptr
cf.br ^bb51
^bb51:
%249 = llvm.load %164 : !llvm.ptr -> i32
%250 = arith.constant 10 : i32
%251 = arith.cmpi slt, %249, %250 : i32
cf.cond_br %251, ^bb52, ^bb53
^bb52:
%253 = llvm.load %164 : !llvm.ptr -> i32
%254 = arith.extsi %253 : i32 to i64
%255 = llvm.getelementptr %5[%254] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%252 = llvm.load %255 : !llvm.ptr -> i8
%256 = arith.constant 0 : i32
%258 = arith.extsi %252 : i8 to i32
%257 = arith.cmpi ne, %258, %256 : i32
%259 = scf.if %257 -> (i1) {
%261 = llvm.load %164 : !llvm.ptr -> i32
%262 = arith.extsi %261 : i32 to i64
%263 = llvm.getelementptr %154[%262] : (!llvm.ptr, i64) -> !llvm.ptr, i32
%260 = llvm.load %263 : !llvm.ptr -> i32
%264 = arith.constant 0 : i32
%265 = arith.cmpi eq, %260, %264 : i32
scf.yield %265 : i1
} else {
%266 = arith.constant false
scf.yield %266 : i1
}
cf.cond_br %259, ^bb54, ^bb55
^bb54:
%267 = llvm.load %164 : !llvm.ptr -> i32
llvm.store %267, %247 : i32, !llvm.ptr
cf.br ^bb53
^bb55:
cf.br ^bb56
^bb56:
%268 = llvm.load %164 : !llvm.ptr -> i32
%269 = arith.constant 1 : i32
%270 = arith.addi %268, %269 : i32
llvm.store %270, %164 : i32, !llvm.ptr
cf.br ^bb51
^bb53:
%271 = llvm.load %247 : !llvm.ptr -> i32
%272 = arith.constant 0 : i32
%273 = arith.cmpi slt, %271, %272 : i32
cf.cond_br %273, ^bb57, ^bb58
^bb57:
cf.br ^bb50
^bb58:
cf.br ^bb59
^bb59:
%274 = llvm.load %219 : !llvm.ptr -> i64
%275 = arith.constant 10 : i32
%277 = arith.extsi %275 : i32 to i64
%276 = arith.muli %274, %277 : i64
%278 = llvm.load %247 : !llvm.ptr -> i32
%279 = arith.extsi %278 : i32 to i64
%280 = arith.addi %276, %279 : i64
llvm.store %280, %219 : i64, !llvm.ptr
%281 = arith.constant 0 : i32
%282 = llvm.load %247 : !llvm.ptr -> i32
%283 = arith.trunci %281 : i32 to i8
%284 = arith.extsi %282 : i32 to i64
%285 = llvm.getelementptr %5[%284] : (!llvm.ptr, i64) -> !llvm.ptr, i8
llvm.store %283, %285 : i8, !llvm.ptr
%286 = llvm.load %222 : !llvm.ptr -> i32
%287 = arith.constant 1 : i32
%288 = arith.subi %286, %287 : i32
llvm.store %288, %222 : i32, !llvm.ptr
%289 = arith.constant 0 : i32
%290 = llvm.mlir.constant(1 : i64) : i64
%291 = llvm.alloca %290 x i32 : (i64) -> !llvm.ptr
llvm.store %289, %291 : i32, !llvm.ptr
cf.br ^bb60
^bb60:
%292 = llvm.load %291 : !llvm.ptr -> i32
%293 = arith.constant 10 : i32
%294 = arith.cmpi slt, %292, %293 : i32
cf.cond_br %294, ^bb61, ^bb62
^bb61:
%296 = llvm.load %247 : !llvm.ptr -> i32
%297 = arith.constant 10 : i32
%298 = arith.muli %296, %297 : i32
%299 = llvm.load %291 : !llvm.ptr -> i32
%300 = arith.addi %298, %299 : i32
%301 = arith.extsi %300 : i32 to i64
%302 = llvm.getelementptr %0[%301] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%295 = llvm.load %302 : !llvm.ptr -> i8
%303 = arith.constant 0 : i32
%305 = arith.extsi %295 : i8 to i32
%304 = arith.cmpi ne, %305, %303 : i32
%306 = scf.if %304 -> (i1) {
%308 = llvm.load %291 : !llvm.ptr -> i32
%309 = arith.extsi %308 : i32 to i64
%310 = llvm.getelementptr %5[%309] : (!llvm.ptr, i64) -> !llvm.ptr, i8
%307 = llvm.load %310 : !llvm.ptr -> i8
%311 = arith.constant 0 : i32
%313 = arith.extsi %307 : i8 to i32
%312 = arith.cmpi ne, %313, %311 : i32
scf.yield %312 : i1
} else {
%314 = arith.constant false
scf.yield %314 : i1
}
cf.cond_br %306, ^bb63, ^bb64
^bb63:
%316 = llvm.load %291 : !llvm.ptr -> i32
%317 = arith.extsi %316 : i32 to i64
%318 = llvm.getelementptr %154[%317] : (!llvm.ptr, i64) -> !llvm.ptr, i32
%315 = llvm.load %318 : !llvm.ptr -> i32
%319 = arith.constant 1 : i32
%320 = arith.subi %315, %319 : i32
%321 = llvm.load %291 : !llvm.ptr -> i32
%322 = arith.extsi %321 : i32 to i64
%323 = llvm.getelementptr %154[%322] : (!llvm.ptr, i64) -> !llvm.ptr, i32
llvm.store %320, %323 : i32, !llvm.ptr
cf.br ^bb65
^bb64:
cf.br ^bb65
^bb65:
%324 = llvm.load %291 : !llvm.ptr -> i32
%325 = arith.constant 1 : i32
%326 = arith.addi %324, %325 : i32
llvm.store %326, %291 : i32, !llvm.ptr
cf.br ^bb60
^bb62:
cf.br ^bb48
^bb50:
%327 = llvm.mlir.addressof @str_3 : !llvm.ptr
%328 = llvm.load %219 : !llvm.ptr -> i64
%329 = llvm.call @printf(%327, %328) vararg(!llvm.func<i32 (ptr, ...)>) : (!llvm.ptr, i64) -> i32
func.call @free(%0) : (!llvm.ptr) -> ()
func.call @free(%5) : (!llvm.ptr) -> ()
func.call @free(%154) : (!llvm.ptr) -> ()
%333 = arith.constant 0 : i32
func.return %333 : i32
}
}