xref: /external/clang/test/CodeGenCXX/debug-info-same-line.cpp

// RUN: %clang_cc1 -g -emit-obj -o %t %s
// RUN: llvm-dwarfdump %t | FileCheck %s
// In the attached test case a post-r166236 clang coalesces two
// instances of an inlined function in a way that makes it appear as
// if the function was only inlined once.

#define INLINE inline __attribute__((always_inline))

INLINE int
product (int x, int y)
{
    int result = x * y;
    return result;
}

INLINE int
sum (int a, int b)
{
    int result = a + b;
    return result;
}

int
strange_max (int m, int n)
{
    if (m > n)
        return m;
    else if (n > m)
        return n;
    else
        return 0;
}

int
foo (int i, int j)
{
    if (strange_max (i, j) == i)
        return product (i, j);
    else if (strange_max  (i, j) == j)
        return sum (i, j);
    else
        return product (sum (i, i), sum (j, j));
}

int
main(int argc, char const *argv[])
{

    int array[3];

    array[0] = foo (1238, 78392);
    array[1] = foo (379265, 23674);
    array[2] = foo (872934, 234);

    return 0;
}

// CHECK: DW_TAG_inlined_subroutine
// CHECK: DW_TAG_inlined_subroutine
// CHECK: DW_TAG_inlined_subroutine
// CHECK: DW_TAG_inlined_subroutine
// CHECK-NOT: DW_TAG_inlined_subroutine
// CHECK: DW_AT_call_line {{.*}} (0x2a)
// CHECK: DW_TAG_inlined_subroutine
// CHECK-NOT: DW_TAG_inlined_subroutine
// CHECK: DW_AT_call_line {{.*}} (0x2a)