File: arc-attrs-abi.mm

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (38 lines) | stat: -rw-r--r-- 1,504 bytes parent folder | download | duplicates (29)
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
// RUN: %clang_cc1 -triple x86_64-apple -emit-llvm -fobjc-arc -o - %s -std=c++11 | FileCheck %s --check-prefix=ITANIUM
// RUN: %clang_cc1 -triple x86_64-windows -emit-llvm -fobjc-arc -o - %s -std=c++11
//
// Test cases where we weren't properly adding extended parameter info, which
// caused assertions to fire. Hence, minimal CHECKs.

struct VirtualBase {
  VirtualBase(__attribute__((ns_consumed)) id x,
              void * __attribute__((pass_object_size(0))));
};
struct WithVirtualBase : virtual VirtualBase {
  WithVirtualBase(__attribute__((ns_consumed)) id x);
};

WithVirtualBase::WithVirtualBase(__attribute__((ns_consumed)) id x)
    : VirtualBase(x, (void *)0) {}


struct VirtualBase2 {
  VirtualBase2(__attribute__((ns_consumed)) id x, void *y);
};

// In this case, we don't actually end up passing the `id` param from
// WithVirtualBaseLast's ctor to WithVirtualBaseMid's. So, we shouldn't emit
// ext param info for `id` to `Mid`. Itanium-only check since MSABI seems to
// emit the construction code inline.
struct WithVirtualBaseMid : virtual VirtualBase2 {
  // Ensure we only pass in `this` and a vtable. Otherwise this test is useless.
  // ITANIUM: define {{.*}} void @_ZN18WithVirtualBaseMidCI212VirtualBase2EP11objc_objectPv({{[^,]*}}, {{[^,]*}})
  using VirtualBase2::VirtualBase2;
};
struct WithVirtualBaseLast : WithVirtualBaseMid {
  using WithVirtualBaseMid::WithVirtualBaseMid;
};

void callLast(__attribute__((ns_consumed)) id x) {
  WithVirtualBaseLast{x, (void*)0};
}