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04bcc11905
derived classes. Since global data alignment, layout, and mangling is often based on the DataLayout, move it to the TargetMachine. This ensures that global data is going to be layed out and mangled consistently if the subtarget changes on a per function basis. Prior to this all targets(*) have had subtarget dependent code moved out and onto the TargetMachine. *One target hasn't been migrated as part of this change: R600. The R600 port has, as a subtarget feature, the size of pointers and this affects global data layout. I've currently hacked in a FIXME to enable progress, but the port needs to be updated to either pass the 64-bitness to the TargetMachine, or fix the DataLayout to avoid subtarget dependent features. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227113 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//===-- MSP430Subtarget.cpp - MSP430 Subtarget Information ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the MSP430 specific subclass of TargetSubtargetInfo.
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//
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//===----------------------------------------------------------------------===//
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#include "MSP430Subtarget.h"
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#include "MSP430.h"
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#include "llvm/Support/TargetRegistry.h"
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using namespace llvm;
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#define DEBUG_TYPE "msp430-subtarget"
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#define GET_SUBTARGETINFO_TARGET_DESC
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#define GET_SUBTARGETINFO_CTOR
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#include "MSP430GenSubtargetInfo.inc"
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void MSP430Subtarget::anchor() { }
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MSP430Subtarget &MSP430Subtarget::initializeSubtargetDependencies(StringRef CPU, StringRef FS) {
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ParseSubtargetFeatures("generic", FS);
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return *this;
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}
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MSP430Subtarget::MSP430Subtarget(const std::string &TT, const std::string &CPU,
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const std::string &FS, const TargetMachine &TM)
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: MSP430GenSubtargetInfo(TT, CPU, FS), FrameLowering(),
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InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM),
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TSInfo(*TM.getDataLayout()) {}
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