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PR2027, Fix bugpoint's -find-bugs option, clean up the code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47105 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2008-02-14 05:01:46 +00:00
parent 5598b70a78
commit 1d1ef14248
1 changed files with 8 additions and 11 deletions
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19
tools/bugpoint/FindBugs.cpp
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@ -30,8 +30,7 @@ using namespace llvm;
/// recreate the failure. This returns true if a compiler error is found.
///
bool BugDriver::runManyPasses(const std::vector<const PassInfo*> &AllPasses) {
std::string Filename;
std::vector<const PassInfo*> TempPass(AllPasses);
setPassesToRun(AllPasses);
std::cout << "Starting bug finding procedure...\n\n";
// Creating a reference output if necessary
@ -45,26 +44,24 @@ bool BugDriver::runManyPasses(const std::vector<const PassInfo*> &AllPasses) {
}
srand(time(NULL));
std::vector<const PassInfo*>::iterator I = TempPass.begin();
std::vector<const PassInfo*>::iterator E = TempPass.end();
unsigned num = 1;
while(1) {
//
// Step 1: Randomize the order of the optimizer passes.
//
std::random_shuffle(TempPass.begin(), TempPass.end());
std::random_shuffle(PassesToRun.begin(), PassesToRun.end());
//
// Step 2: Run optimizer passes on the program and check for success.
//
std::cout << "Running selected passes on program to test for crash: ";
for(int i = 0, e = TempPass.size(); i != e; i++) {
std::cout << "-" << TempPass[i]->getPassArgument( )<< " ";
for(int i = 0, e = PassesToRun.size(); i != e; i++) {
std::cout << "-" << PassesToRun[i]->getPassArgument( )<< " ";
}
std::string Filename;
if(runPasses(TempPass, Filename, false)) {
if(runPasses(PassesToRun, Filename, false)) {
std::cout << "\n";
std::cout << "Optimizer passes caused failure!\n\n";
debugOptimizerCrash();
@ -72,7 +69,7 @@ bool BugDriver::runManyPasses(const std::vector<const PassInfo*> &AllPasses) {
} else {
std::cout << "Combination " << num << " optimized successfully!\n";
}
//
// Step 3: Compile the optimized code.
//
@ -85,7 +82,7 @@ bool BugDriver::runManyPasses(const std::vector<const PassInfo*> &AllPasses) {
std::cout << TEE.what();
return debugCodeGeneratorCrash();
}
//
// Step 4: Run the program and compare its output to the reference
// output (created above).