Fix CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll and PR1308:

[oota-llvm.git] / lib / CodeGen / LLVMTargetMachine.cpp

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index c7f50b72534d186e2b3eb6e84d9fa329206a541f..34c45f31352bce259f39ed8e9a0562573fa3eb05 100644 (file)
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -14,11 +14,16 @@
 #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,
@@ -27,17 +32,29 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
   // 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;
@@ -116,7 +133,11 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
   // 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());
@@ -127,6 +148,13 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
   // 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;