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b1e1180ca0
2. Propagate feature "string" to all targets. 3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23192 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
//=====---- X86Subtarget.h - Define Subtarget for the X86 -----*- C++ -*--====//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Nate Begeman and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the X86 specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#ifndef X86SUBTARGET_H
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#define X86SUBTARGET_H
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#include "llvm/Target/TargetSubtarget.h"
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#include <string>
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namespace llvm {
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class Module;
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class X86Subtarget : public TargetSubtarget {
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protected:
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/// stackAlignment - The minimum alignment known to hold of the stack frame on
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/// entry to the function and which must be maintained by every function.
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unsigned stackAlignment;
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/// Used by instruction selector
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bool indirectExternAndWeakGlobals;
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/// Used by the asm printer
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bool asmDarwinLinkerStubs;
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bool asmLeadingUnderscore;
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bool asmAlignmentIsInBytes;
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bool asmPrintDotLocalConstants;
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bool asmPrintDotLCommConstants;
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bool asmPrintConstantAlignment;
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public:
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/// This constructor initializes the data members to match that
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/// of the specified module.
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///
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X86Subtarget(const Module &M, const std::string &FS);
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/// getStackAlignment - Returns the minimum alignment known to hold of the
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/// stack frame on entry to the function and which must be maintained by every
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/// function for this subtarget.
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unsigned getStackAlignment() const { return stackAlignment; }
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/// Returns true if the instruction selector should treat global values
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/// referencing external or weak symbols as indirect rather than direct
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/// references.
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bool getIndirectExternAndWeakGlobals() const {
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return indirectExternAndWeakGlobals;
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}
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};
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} // End llvm namespace
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#endif
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