xref: /llvm-project/cross-project-tests/debuginfo-tests/dexter-tests/realigned-frame.cpp (revision 45a40c163932d12b72b33bd1d8a84519392b5d39)
1 // REQUIRES: system-windows
2 //
3 // RUN: %clang_cl /Z7 /Zi %s -o %t
4 // RUN: %dexter --fail-lt 1.0 -w --binary %t --debugger 'dbgeng' -- %s
5 
6 // From https://llvm.org/pr38857, where we had issues with stack realignment.
7 
8 struct Foo {
9   int x = 42;
10   int __declspec(noinline) foo();
11   void __declspec(noinline) bar(int *a, int *b, double *c);
12 };
foo()13 int Foo::foo() {
14   int a = 1;
15   int b = 2;
16   double __declspec(align(32)) force_alignment = 0.42;
17   bar(&a, &b, &force_alignment); // DexLabel('in_foo')
18   x += (int)force_alignment;
19   return x;
20 }
bar(int * a,int * b,double * c)21 void Foo::bar(int *a, int *b, double *c) {
22   *c += *a + *b; // DexLabel('in_bar')
23 }
main()24 int main() {
25   Foo o;
26   o.foo();
27 }
28 /*
29 DexExpectProgramState({'frames':[
30     {'function': 'Foo::bar', 'location' : {'lineno' : ref('in_bar')} },
31     {'function': 'Foo::foo',
32      'watches' : {
33        'a' : '1',
34        'b' : '2',
35        'force_alignment' : '0.42'
36      }
37     }
38 ]})
39 */
40