1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
//===- execution_engine.c - Test for the C bindings for the MLIR JIT-------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM
// Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
/* RUN: mlir-capi-execution-engine-test 2>&1 | FileCheck %s
*/
/* REQUIRES: llvm_has_native_target
*/
#include "mlir-c/Conversion.h"
#include "mlir-c/ExecutionEngine.h"
#include "mlir-c/IR.h"
#include "mlir-c/Registration.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void lowerModuleToLLVM(MlirContext ctx, MlirModule module) {
MlirPassManager pm = mlirPassManagerCreate(ctx);
MlirOpPassManager opm = mlirPassManagerGetNestedUnder(
pm, mlirStringRefCreateFromCString("builtin.func"));
mlirPassManagerAddOwnedPass(pm, mlirCreateConversionConvertStandardToLLVM());
mlirOpPassManagerAddOwnedPass(opm,
mlirCreateConversionConvertArithmeticToLLVM());
MlirLogicalResult status = mlirPassManagerRun(pm, module);
if (mlirLogicalResultIsFailure(status)) {
fprintf(stderr, "Unexpected failure running pass pipeline\n");
exit(2);
}
mlirPassManagerDestroy(pm);
}
// CHECK-LABEL: Running test 'testSimpleExecution'
void testSimpleExecution() {
MlirContext ctx = mlirContextCreate();
mlirRegisterAllDialects(ctx);
MlirModule module = mlirModuleCreateParse(
ctx, mlirStringRefCreateFromCString(
// clang-format off
"module { \n"
" func @add(%arg0 : i32) -> i32 attributes { llvm.emit_c_interface } { \n"
" %res = arith.addi %arg0, %arg0 : i32 \n"
" return %res : i32 \n"
" } \n"
"}"));
// clang-format on
lowerModuleToLLVM(ctx, module);
mlirRegisterAllLLVMTranslations(ctx);
MlirExecutionEngine jit = mlirExecutionEngineCreate(
module, /*optLevel=*/2, /*numPaths=*/0, /*sharedLibPaths=*/NULL);
if (mlirExecutionEngineIsNull(jit)) {
fprintf(stderr, "Execution engine creation failed");
exit(2);
}
int input = 42;
int result = -1;
void *args[2] = {&input, &result};
if (mlirLogicalResultIsFailure(mlirExecutionEngineInvokePacked(
jit, mlirStringRefCreateFromCString("add"), args))) {
fprintf(stderr, "Execution engine creation failed");
abort();
}
// CHECK: Input: 42 Result: 84
printf("Input: %d Result: %d\n", input, result);
mlirExecutionEngineDestroy(jit);
mlirModuleDestroy(module);
mlirContextDestroy(ctx);
}
int main() {
#define _STRINGIFY(x) #x
#define STRINGIFY(x) _STRINGIFY(x)
#define TEST(test) \
printf("Running test '" STRINGIFY(test) "'\n"); \
test();
TEST(testSimpleExecution);
return 0;
}
|
