#include "llvm/Target/TargetMachine.h"
#include "llvm/PassManager.h"
#include "llvm/Pass.h"
+#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/Analysis/LoopPass.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Transforms/Scalar.h"
+#include "llvm/Support/CommandLine.h"
using namespace llvm;
+static cl::opt<bool> PrintLSR("print-lsr-output");
+static cl::opt<bool> PrintISelInput("print-isel-input");
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
std::ostream &Out,
// Standard LLVM-Level Passes.
// Run loop strength reduction before anything else.
- if (!Fast) PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (!Fast) {
+ PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (PrintLSR)
+ PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+ }
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
// FIXME: Implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass(getTargetLowering()));
+ if (!ExceptionHandling)
+ PM.add(createLowerInvokePass(getTargetLowering()));
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
+ if (!Fast)
+ PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+ if (PrintISelInput)
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+ &cerr));
+
// Ask the target for an isel.
if (addInstSelector(PM, Fast))
return FileModel::Error;
// Standard LLVM-Level Passes.
// Run loop strength reduction before anything else.
- if (!Fast) PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (!Fast) {
+ PM.add(createLoopStrengthReducePass(getTargetLowering()));
+ if (PrintLSR)
+ PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+ }
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
+ if (!Fast)
+ PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+ if (PrintISelInput)
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+ &cerr));
+
// Ask the target for an isel.
if (addInstSelector(PM, Fast))
return true;