Add a test case for making sure gdb can get a stack trace with our debug

information.

llvm-svn: 31495

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

@@ -0,0 +1,29 @@
+// 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 Output/%s.ll
+// RUN: llvm-as < Output/%s.ll | llc -o Output/%s.s
+// RUN: gcc -g Output/%s.s -o Output/%s.exe
+// RUN: ( echo "break DeepStack::deepest"; echo "run 17" ; echo "where" ) | gdb Output/%s.exe | grep '#0  DeepStack::deepest (this=.*,x=33)'
+
+#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();
+}

llvm/test/DebugInfo/dg.exp

@@ -0,0 +1,3 @@
+load_lib llvm-dg.exp
+
+llvm-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]] $objdir $srcdir $subdir $target_triplet $llvmgcc $llvmgxx $prcontext $llvmgcc_version