Add -O1/2/3 to bugpoint, so when you conclude opt -O2 reproduces an issue, you can just run bugpoint -O2. :) My implementation isn't precisely equivalent to what opt does, but as far as I can tell, it's close enough.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132695 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-06-06 22:45:46 +00:00
parent 42d41fda08
commit be2d1239a4

View File

@ -69,6 +69,18 @@ static cl::opt<bool>
StandardLinkOpts("std-link-opts",
cl::desc("Include the standard link time optimizations"));
static cl::opt<bool>
OptLevelO1("O1",
cl::desc("Optimization level 1. Similar to llvm-gcc -O1"));
static cl::opt<bool>
OptLevelO2("O2",
cl::desc("Optimization level 2. Similar to llvm-gcc -O2"));
static cl::opt<bool>
OptLevelO3("O3",
cl::desc("Optimization level 3. Similar to llvm-gcc -O3"));
static cl::opt<std::string>
OverrideTriple("mtriple", cl::desc("Override target triple for module"));
@ -83,10 +95,10 @@ static void BugpointInterruptFunction() {
// Hack to capture a pass list.
namespace {
class AddToDriver : public PassManager {
class AddToDriver : public FunctionPassManager {
BugDriver &D;
public:
AddToDriver(BugDriver &_D) : D(_D) {}
AddToDriver(BugDriver &_D) : FunctionPassManager(0), D(_D) {}
virtual void add(Pass *P) {
const void *ID = P->getPassID();
@ -158,6 +170,20 @@ int main(int argc, char **argv) {
/*RunInliner=*/true);
}
if (OptLevelO1 || OptLevelO2 || OptLevelO3) {
PassManagerBuilder Builder;
if (OptLevelO1)
Builder.Inliner = createAlwaysInlinerPass();
else if (OptLevelO2)
Builder.Inliner = createFunctionInliningPass(225);
else
Builder.Inliner = createFunctionInliningPass(275);
// Note that although clang/llvm-gcc use two separate passmanagers
// here, it shouldn't normally make a difference.
Builder.populateFunctionPassManager(PM);
Builder.populateModulePassManager(PM);
}
for (std::vector<const PassInfo*>::iterator I = PassList.begin(),
E = PassList.end();