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Add the framework for a dag-dag isel

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24769 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-12-17 07:47:01 +00:00
parent 433dbdaa63
commit 6c18b10ad4
8 changed files with 370 additions and 4 deletions
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10
lib/Target/Sparc/SparcTargetMachine.cpp
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@@ -20,12 +20,17 @@
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Support/CommandLine.h"
#include <iostream>
using namespace llvm;
namespace {
// Register the target.
RegisterTarget<SparcV8TargetMachine> X("sparcv8"," SPARC V8 (experimental)");
cl::opt<bool> DisableV8DAGDAG("disable-v8-dag-isel", cl::Hidden,
cl::desc("Disable DAG-to-DAG isel for V8"),
cl::init(1));
}
/// SparcV8TargetMachine ctor - Create an ILP32 architecture model
@@ -87,7 +92,10 @@ bool SparcV8TargetMachine::addPassesToEmitFile(PassManager &PM,
if (PrintMachineCode)
PM.add(new PrintFunctionPass());
PM.add(createSparcV8SimpleInstructionSelector(*this));
if (DisableV8DAGDAG)
PM.add(createSparcV8SimpleInstructionSelector(*this));
else
PM.add(createSparcV8ISelDag(*this));
// Print machine instructions as they were initially generated.
if (PrintMachineCode)