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Little help to debug the bugpoint itself.

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Patch by Bob Wilson.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123390 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-01-13 19:48:54 +00:00
parent a851fd8cd8
commit bc8d5f11e7
1 changed files with 12 additions and 0 deletions
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12
tools/bugpoint/bugpoint.cpp
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@ -27,6 +27,10 @@
#include "llvm/Support/Signals.h" #include "llvm/Support/Signals.h"
#include "llvm/Support/Valgrind.h" #include "llvm/Support/Valgrind.h"
#include "llvm/LinkAllVMCore.h" #include "llvm/LinkAllVMCore.h"
// Enable this macro to debug bugpoint itself.
#define DEBUG_BUGPOINT 0
using namespace llvm; using namespace llvm;
static cl::opt<bool> static cl::opt<bool>
@ -71,9 +75,11 @@ OverrideTriple("mtriple", cl::desc("Override target triple for module"));
/// BugpointIsInterrupted - Set to true when the user presses ctrl-c. /// BugpointIsInterrupted - Set to true when the user presses ctrl-c.
bool llvm::BugpointIsInterrupted = false; bool llvm::BugpointIsInterrupted = false;
#ifndef DEBUG_BUGPOINT
static void BugpointInterruptFunction() { static void BugpointInterruptFunction() {
BugpointIsInterrupted = true; BugpointIsInterrupted = true;
} }
#endif
// Hack to capture a pass list. // Hack to capture a pass list.
namespace { namespace {
@ -91,9 +97,11 @@ namespace {
} }
int main(int argc, char **argv) { int main(int argc, char **argv) {
#ifndef DEBUG_BUGPOINT
llvm::sys::PrintStackTraceOnErrorSignal(); llvm::sys::PrintStackTraceOnErrorSignal();
llvm::PrettyStackTraceProgram X(argc, argv); llvm::PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
#endif
// Initialize passes // Initialize passes
PassRegistry &Registry = *PassRegistry::getPassRegistry(); PassRegistry &Registry = *PassRegistry::getPassRegistry();
@ -111,7 +119,9 @@ int main(int argc, char **argv) {
"LLVM automatic testcase reducer. See\nhttp://" "LLVM automatic testcase reducer. See\nhttp://"
"llvm.org/cmds/bugpoint.html" "llvm.org/cmds/bugpoint.html"
" for more information.\n"); " for more information.\n");
#ifndef DEBUG_BUGPOINT
sys::SetInterruptFunction(BugpointInterruptFunction); sys::SetInterruptFunction(BugpointInterruptFunction);
#endif
LLVMContext& Context = getGlobalContext(); LLVMContext& Context = getGlobalContext();
// If we have an override, set it and then track the triple we want Modules // If we have an override, set it and then track the triple we want Modules
@ -160,7 +170,9 @@ int main(int argc, char **argv) {
// Bugpoint has the ability of generating a plethora of core files, so to // Bugpoint has the ability of generating a plethora of core files, so to
// avoid filling up the disk, we prevent it // avoid filling up the disk, we prevent it
#ifndef DEBUG_BUGPOINT
sys::Process::PreventCoreFiles(); sys::Process::PreventCoreFiles();
#endif
std::string Error; std::string Error;
bool Failure = D.run(Error); bool Failure = D.run(Error);