System/Path/Windows: Make GetSystemLibraryPaths more generic.

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

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index f5112f7f62b21868f70ad02717ce2de32b68de17..3ba1b89a802172e83081a173355bbf0405e11f4a 100644 (file)
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -30,6 +30,7 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/StandardPasses.h"
 using namespace llvm;
 
 namespace llvm {
@@ -85,7 +86,7 @@ static bool getVerboseAsm() {
   case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
   case cl::BOU_TRUE:  return true;
   case cl::BOU_FALSE: return false;
-  }      
+  }
 }
 
 // Enable or disable FastISel. Both options are needed, because
@@ -143,10 +144,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     if (ShowMCEncoding)
       MCE = getTarget().createCodeEmitter(*this, *Context);
 
-    AsmStreamer.reset(createAsmStreamer(*Context, Out,
-                                        getTargetData()->isLittleEndian(),
-                                        getVerboseAsm(), InstPrinter,
-                                        MCE, ShowMCInst));
+    AsmStreamer.reset(getTarget().createAsmStreamer(*Context, Out,
+                                                    getTargetData()->isLittleEndian(),
+                                                    getVerboseAsm(),
+                                                    InstPrinter, MCE,
+                                                    ShowMCInst));
     break;
   }
   case CGFT_ObjectFile: {
@@ -160,6 +162,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
                                                        *TAB, Out, MCE,
                                                        hasMCRelaxAll()));
+    AsmStreamer.get()->InitSections();
     break;
   }
   case CGFT_Null:
@@ -176,12 +179,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
   FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
   if (Printer == 0)
     return true;
-  
+
   // If successful, createAsmPrinter took ownership of AsmStreamer.
   AsmStreamer.take();
-  
+
   PM.add(Printer);
-  
+
   // Make sure the code model is set.
   setCodeModelForStatic();
   PM.add(createGCInfoDeleter());
@@ -200,7 +203,7 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
                                                    bool DisableVerify) {
   // Make sure the code model is set.
   setCodeModelForJIT();
-  
+
   // Add common CodeGen passes.
   MCContext *Ctx = 0;
   if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify, Ctx))
@@ -253,6 +256,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
                                                MCContext *&OutContext) {
   // Standard LLVM-Level Passes.
 
+  // Basic AliasAnalysis support.
+  createStandardAliasAnalysisPasses(&PM);
+
   // Before running any passes, run the verifier to determine if the input
   // coming from the front-end and/or optimizer is valid.
   if (!DisableVerify)
@@ -289,7 +295,7 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
     PM.add(createSjLjEHPass(getTargetLowering()));
     // FALLTHROUGH
   case ExceptionHandling::Dwarf:
-    PM.add(createDwarfEHPass(this, OptLevel==CodeGenOpt::None));
+    PM.add(createDwarfEHPass(this));
     break;
   case ExceptionHandling::None:
     PM.add(createLowerInvokePass(getTargetLowering()));
@@ -317,13 +323,12 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
     PM.add(createVerifierPass());
 
   // Standard Lower-Level Passes.
-  
+
   // Install a MachineModuleInfo class, which is an immutable pass that holds
   // all the per-module stuff we're generating, including MCContext.
   MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo());
   PM.add(MMI);
   OutContext = &MMI->getContext(); // Return the MCContext specifically by-ref.
-  
 
   // Set up a MachineFunction for the rest of CodeGen to work on.
   PM.add(new MachineFunctionAnalysis(*this, OptLevel));
@@ -345,6 +350,10 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
   if (OptLevel != CodeGenOpt::None)
     PM.add(createOptimizePHIsPass());
 
+  // If the target requests it, assign local variables to stack slots relative
+  // to one another and simplify frame index references where possible.
+  PM.add(createLocalStackSlotAllocationPass());
+
   if (OptLevel != CodeGenOpt::None) {
     // With optimization, dead code should already be eliminated. However
     // there is one known exception: lowered code for arguments that are only