llvm-6502/test/DebugInfo/2006-11-06-StackTrace.cpp

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// This is a regression test on debug info to make sure that we can get a
// meaningful stack trace from a C++ program.
// RUN: %llvmgcc -S -O0 -g %s -o - | llvm-as | llc --disable-fp-elim -o Output/StackTrace.s -f
// RUN: as Output/StackTrace.s -o Output/StackTrace.o
// RUN: g++ Output/StackTrace.o -o Output/StackTrace.exe
// RUN: ( echo "break DeepStack::deepest"; echo "run 17" ; echo "where" ) > Output/StackTrace.gdbin
// RUN: gdb -q -batch -n -x Output/StackTrace.gdbin Output/StackTrace.exe | tee Output/StackTrace.out | grep '#0 DeepStack::deepest.*(this=.*,.*x=33)'
// RUN: gdb -q -batch -n -x Output/StackTrace.gdbin Output/StackTrace.exe | grep '#7 0x.* in main.*(argc=[12],.*argv=.*)'
// XFAIL: i[1-9]86|alpha|ia64|arm
#include <stdlib.h>
class DeepStack {
int seedVal;
public:
DeepStack(int seed) : seedVal(seed) {}
int shallowest( int x ) { return shallower(x + 1); }
int shallower ( int x ) { return shallow(x + 2); }
int shallow ( int x ) { return deep(x + 3); }
int deep ( int x ) { return deeper(x + 4); }
int deeper ( int x ) { return deepest(x + 6); }
int deepest ( int x ) { return x + 7; }
int runit() { return shallowest(seedVal); }
};
int main ( int argc, char** argv) {
DeepStack DS9( (argc > 1 ? atoi(argv[1]) : 0) );
return DS9.runit();
}