1// RUN: mlir-translate -mlir-to-cpp -declare-variables-at-top %s | FileCheck %s -check-prefix=CPP-DECLTOP
2
3// simple(10, true)  -> 20
4// simple(10, false) -> 30
5func @simple(i64, i1) -> i64 {
6^bb0(%a: i64, %cond: i1):
7  cond_br %cond, ^bb1, ^bb2
8^bb1:
9  br ^bb3(%a: i64)
10^bb2:
11  %b = emitc.call "add"(%a, %a) : (i64, i64) -> i64
12  br ^bb3(%b: i64)
13^bb3(%c: i64):
14  br ^bb4(%c, %a : i64, i64)
15^bb4(%d : i64, %e : i64):
16  %0 = emitc.call "add"(%d, %e) : (i64, i64) -> i64
17  return %0 : i64
18}
19  // CPP-DECLTOP: int64_t simple(int64_t [[A:[^ ]*]], bool [[COND:[^ ]*]]) {
20    // CPP-DECLTOP-NEXT: int64_t [[B:[^ ]*]];
21    // CPP-DECLTOP-NEXT: int64_t [[V0:[^ ]*]];
22    // CPP-DECLTOP-NEXT: int64_t [[C:[^ ]*]];
23    // CPP-DECLTOP-NEXT: int64_t [[D:[^ ]*]];
24    // CPP-DECLTOP-NEXT: int64_t [[E:[^ ]*]];
25    // CPP-DECLTOP-NEXT: [[BB0:[^ ]*]]:
26    // CPP-DECLTOP-NEXT: if ([[COND]]) {
27    // CPP-DECLTOP-NEXT: goto [[BB1:[^ ]*]];
28    // CPP-DECLTOP-NEXT: } else {
29    // CPP-DECLTOP-NEXT: goto [[BB2:[^ ]*]];
30    // CPP-DECLTOP-NEXT: }
31    // CPP-DECLTOP-NEXT: [[BB1]]:
32    // CPP-DECLTOP-NEXT: [[C]] = [[A]];
33    // CPP-DECLTOP-NEXT: goto [[BB3:[^ ]*]];
34    // CPP-DECLTOP-NEXT: [[BB2]]:
35    // CPP-DECLTOP-NEXT: [[B]] = add([[A]], [[A]]);
36    // CPP-DECLTOP-NEXT: [[C]] = [[B]];
37    // CPP-DECLTOP-NEXT: goto [[BB3]];
38    // CPP-DECLTOP-NEXT: [[BB3]]:
39    // CPP-DECLTOP-NEXT: [[D]] = [[C]];
40    // CPP-DECLTOP-NEXT: [[E]] = [[A]];
41    // CPP-DECLTOP-NEXT: goto [[BB4:[^ ]*]];
42    // CPP-DECLTOP-NEXT: [[BB4]]:
43    // CPP-DECLTOP-NEXT: [[V0]] = add([[D]], [[E]]);
44    // CPP-DECLTOP-NEXT: return [[V0]];
45
46
47func @block_labels0() {
48^bb1:
49    br ^bb2
50^bb2:
51    return
52}
53// CPP-DECLTOP: void block_labels0() {
54  // CPP-DECLTOP-NEXT: label1:
55  // CPP-DECLTOP-NEXT: goto label2;
56  // CPP-DECLTOP-NEXT: label2:
57  // CPP-DECLTOP-NEXT: return;
58  // CPP-DECLTOP-NEXT: }
59
60
61// Repeat the same function to make sure the names of the block labels get reset.
62func @block_labels1() {
63^bb1:
64    br ^bb2
65^bb2:
66    return
67}
68// CPP-DECLTOP: void block_labels1() {
69  // CPP-DECLTOP-NEXT: label1:
70  // CPP-DECLTOP-NEXT: goto label2;
71  // CPP-DECLTOP-NEXT: label2:
72  // CPP-DECLTOP-NEXT: return;
73  // CPP-DECLTOP-NEXT: }
74