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* No longer need lowerallocation pass

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* Add X86 Stackifier pass
* Add peephole optimizer pass

llvm-svn: 5233
This commit is contained in:
Chris Lattner 2003-01-13 00:51:23 +00:00
parent b3776320cf
commit 41b715c939
1 changed files with 10 additions and 9 deletions
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19
lib/Target/X86/X86TargetMachine.cpp
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@ -6,9 +6,9 @@
#include "X86TargetMachine.h"
#include "X86.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Target/TargetMachineImpls.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/PassManager.h"
#include "Support/CommandLine.h"
#include "Support/Statistic.h"
@ -40,21 +40,17 @@ X86TargetMachine::X86TargetMachine(unsigned Config)
FrameInfo(TargetFrameInfo::StackGrowsDown, 1/*16*/, 0) {
}
/// addPassesToJITCompile - Add passes to the specified pass manager to
/// implement a fast dynamic compiler for this target. Return true if this is
/// not supported for this target.
///
bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
// For the moment we have decided that malloc and free will be
// taken care of by converting them to calls, using the existing
// LLVM scalar transforms pass to do this.
PM.add(createLowerAllocationsPass());
PM.add(createSimpleX86InstructionSelector(*this));
// TODO: optional optimizations go here
// FIXME: Add SSA based peephole optimizer here.
// Print the instruction selected machine code...
if (PrintCode)
PM.add(createMachineFunctionPrinterPass());
@ -65,17 +61,22 @@ bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
else
PM.add(createLocalRegisterAllocator());
if (PrintCode)
PM.add(createMachineFunctionPrinterPass());
PM.add(createX86FloatingPointStackifierPass());
if (PrintCode)
PM.add(createMachineFunctionPrinterPass());
// Insert prolog/epilog code. Eliminate abstract frame index references...
PM.add(createPrologEpilogCodeInserter());
PM.add(createX86PeepholeOptimizerPass());
if (PrintCode) // Print the register-allocated code
PM.add(createX86CodePrinterPass(std::cerr));
PM.add(createMachineCodeDestructionPass());
return false; // success!
}