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34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
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//===-- lib/Target/TargetELFWriterInfo.cpp - ELF Writer Info --0-*- C++ -*-===//
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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 TargetELFWriterInfo class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Function.h"
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#include "llvm/Target/TargetELFWriterInfo.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Target/TargetMachine.h"
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using namespace llvm;
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TargetELFWriterInfo::TargetELFWriterInfo(TargetMachine &tm) : TM(tm) {}
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TargetELFWriterInfo::~TargetELFWriterInfo() {}
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/// getFunctionAlignment - Returns the alignment for function 'F', targets
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/// with different alignment constraints should overload this method
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unsigned TargetELFWriterInfo::getFunctionAlignment(const Function *F) const {
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const TargetData *TD = TM.getTargetData();
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unsigned FnAlign = F->getAlignment();
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unsigned TDAlign = TD->getPointerABIAlignment();
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unsigned Align = std::max(FnAlign, TDAlign);
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assert(!(Align & (Align-1)) && "Alignment is not a power of two!");
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return Align;
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}
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