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* No longer need lowerallocation pass
* Add X86 Stackifier pass * Add peephole optimizer pass git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5233 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -6,9 +6,9 @@
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#include "X86TargetMachine.h"
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#include "X86.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Target/TargetMachineImpls.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/PassManager.h"
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#include "Support/CommandLine.h"
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#include "Support/Statistic.h"
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@ -40,21 +40,17 @@ X86TargetMachine::X86TargetMachine(unsigned Config)
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FrameInfo(TargetFrameInfo::StackGrowsDown, 1/*16*/, 0) {
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}
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/// addPassesToJITCompile - Add passes to the specified pass manager to
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/// implement a fast dynamic compiler for this target. Return true if this is
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/// not supported for this target.
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///
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bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
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// For the moment we have decided that malloc and free will be
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// taken care of by converting them to calls, using the existing
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// LLVM scalar transforms pass to do this.
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PM.add(createLowerAllocationsPass());
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PM.add(createSimpleX86InstructionSelector(*this));
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// TODO: optional optimizations go here
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// FIXME: Add SSA based peephole optimizer here.
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// Print the instruction selected machine code...
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if (PrintCode)
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PM.add(createMachineFunctionPrinterPass());
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@ -65,17 +61,22 @@ bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
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else
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PM.add(createLocalRegisterAllocator());
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if (PrintCode)
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PM.add(createMachineFunctionPrinterPass());
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PM.add(createX86FloatingPointStackifierPass());
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if (PrintCode)
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PM.add(createMachineFunctionPrinterPass());
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// Insert prolog/epilog code. Eliminate abstract frame index references...
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PM.add(createPrologEpilogCodeInserter());
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PM.add(createX86PeepholeOptimizerPass());
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if (PrintCode) // Print the register-allocated code
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PM.add(createX86CodePrinterPass(std::cerr));
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PM.add(createMachineCodeDestructionPass());
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return false; // success!
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}
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