xref: /llvm-project/mlir/test/Target/Cpp/func.mlir (revision 818af71b72219d149174faf9420dfc00f2c03470)
1// RUN: mlir-translate -mlir-to-cpp %s | FileCheck %s -check-prefix=CPP-DEFAULT
2// RUN: mlir-translate -mlir-to-cpp -declare-variables-at-top %s | FileCheck %s -check-prefix=CPP-DECLTOP
3
4
5emitc.func @emitc_func(%arg0 : i32) {
6  emitc.call_opaque "foo" (%arg0) : (i32) -> ()
7  emitc.return
8}
9// CPP-DEFAULT: void emitc_func(int32_t [[V0:[^ ]*]]) {
10// CPP-DEFAULT-NEXT: foo([[V0:[^ ]*]]);
11// CPP-DEFAULT-NEXT: return;
12
13
14emitc.func @return_i32() -> i32 attributes {specifiers = ["static","inline"]} {
15  %0 = emitc.call_opaque "foo" (): () -> i32
16  emitc.return %0 : i32
17}
18// CPP-DEFAULT: static inline int32_t return_i32() {
19// CPP-DEFAULT-NEXT: [[V0:[^ ]*]] = foo();
20// CPP-DEFAULT-NEXT: return [[V0:[^ ]*]];
21
22// CPP-DECLTOP: static inline int32_t return_i32() {
23// CPP-DECLTOP-NEXT: int32_t [[V0:[^ ]*]];
24// CPP-DECLTOP-NEXT: [[V0:]] = foo();
25// CPP-DECLTOP-NEXT: return [[V0:[^ ]*]];
26
27
28emitc.func @emitc_call() -> i32 {
29  %0 = emitc.call @return_i32() : () -> (i32)
30  emitc.return %0 : i32
31}
32// CPP-DEFAULT: int32_t emitc_call() {
33// CPP-DEFAULT-NEXT: int32_t [[V0:[^ ]*]] = return_i32();
34// CPP-DEFAULT-NEXT: return [[V0:[^ ]*]];
35
36// CPP-DECLTOP: int32_t emitc_call() {
37// CPP-DECLTOP-NEXT: int32_t [[V0:[^ ]*]];
38// CPP-DECLTOP-NEXT: [[V0:[^ ]*]] = return_i32();
39// CPP-DECLTOP-NEXT: return [[V0:[^ ]*]];
40
41emitc.func private @extern_func(i32) attributes {specifiers = ["extern"]}
42// CPP-DEFAULT: extern void extern_func(int32_t);
43
44emitc.func private @array_arg(!emitc.array<3xi32>) attributes {specifiers = ["extern"]}
45// CPP-DEFAULT: extern void array_arg(int32_t[3]);
46