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
diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp
index efacd6a..e25414f 100644
--- a/tools/bugpoint/bugpoint.cpp
+++ b/tools/bugpoint/bugpoint.cpp
@@ -69,6 +69,18 @@
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 @@
// 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 @@
/*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();