1 // This is a regression test on debug info to make sure that we can get a 2 // meaningful stack trace from a C++ program. 3 // RUN: %llvmgcc -S -O0 -g %s -o - | \ 4 // RUN: llc --disable-cfi --disable-fp-elim -o %t.s -O0 -relocation-model=pic 5 // RUN: %compile_c %t.s -o %t.o 6 // RUN: %link %t.o -o %t.exe 7 // RUN: echo {break DeepStack::deepest\nrun 17\nwhere\n} > %t.in 8 // RN: gdb -q -batch -n -x %t.in %t.exe | tee %t.out | \ 9 // RN: grep {#0 DeepStack::deepest.*(this=.*,.*x=33)} 10 // RN: gdb -q -batch -n -x %t.in %t.exe | \ 11 // RN: grep {#7 0x.* in main.*(argc=\[12\],.*argv=.*)} 12 13 // Only works on ppc (but not apple-darwin9), x86 and x86_64. Should 14 // generalize? 15 // XAIL: alpha,arm,powerpc-apple-darwin9 16 17 #include <stdlib.h> 18 19 class DeepStack { 20 int seedVal; 21 public: 22 DeepStack(int seed) : seedVal(seed) {} 23 24 int shallowest( int x ) { return shallower(x + 1); } 25 int shallower ( int x ) { return shallow(x + 2); } 26 int shallow ( int x ) { return deep(x + 3); } 27 int deep ( int x ) { return deeper(x + 4); } 28 int deeper ( int x ) { return deepest(x + 6); } 29 int deepest ( int x ) { return x + 7; } 30 31 int runit() { return shallowest(seedVal); } 32 }; 33 34 int main ( int argc, char** argv) { 35 36 DeepStack DS9( (argc > 1 ? atoi(argv[1]) : 0) ); 37 return DS9.runit(); 38 } 39