llvm-project/debuginfo-tests/dexter-tests/realigned-frame.cpp

40 lines
933 B
C++

// REQUIRES: system-windows
//
// RUN: %dexter --fail-lt 1.0 -w --builder 'clang-cl_vs2015' \
// RUN: --debugger 'dbgeng' --cflags '/Z7 /Zi' --ldflags '/Z7 /Zi' -- %s
// From https://llvm.org/pr38857, where we had issues with stack realignment.
struct Foo {
int x = 42;
int __declspec(noinline) foo();
void __declspec(noinline) bar(int *a, int *b, double *c);
};
int Foo::foo() {
int a = 1;
int b = 2;
double __declspec(align(32)) force_alignment = 0.42;
bar(&a, &b, &force_alignment); // DexLabel('in_foo')
x += (int)force_alignment;
return x;
}
void Foo::bar(int *a, int *b, double *c) {
*c += *a + *b; // DexLabel('in_bar')
}
int main() {
Foo o;
o.foo();
}
/*
DexExpectProgramState({'frames':[
{'function': 'Foo::bar', 'location' : {'lineno' : 'in_bar'} },
{'function': 'Foo::foo',
'watches' : {
'a' : '1',
'b' : '2',
'force_alignment' : '0.42'
}
}
]})
*/