llvm-project/debuginfo-tests/dbg-arg.c

42 lines
649 B
C
Raw Normal View History

// This test case checks debug info during register moves for an argument.
// RUN: %clang -arch x86_64 -mllvm -fast-isel=false %s -c -o %t.o
// RUN: %clang -arch x86_64 %t.o -o %t.out
// RUN: %test_debuginfo %s %t.out
//
// Radar 8412415
struct _mtx
{
long unsigned int ptr;
int waiters;
struct {
int tag;
int pad;
} mtxi;
};
int foobar(struct _mtx *mutex) {
int r = 1;
int l = 0;
int j = 0;
do {
if (mutex->waiters) {
r = 2;
}
j = bar(r, l);
++l;
} while (l < j);
return r + j;
}
int bar(int i, int j) {
return i + j;
}
int main() {
struct _mtx m;
m.waiters = 0;
return foobar(&m);
}