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9203bd4339
delimits the boundaries of jump tables. This lets the linker's dead code stripping optimization do a better job. llvm-svn: 33362
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
//===-- ARMTargetAsmInfo.cpp - ARM asm properties ---------------*- 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 James M. Laskey 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 contains the declarations of the ARMTargetAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "ARMTargetAsmInfo.h"
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#include "ARMTargetMachine.h"
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using namespace llvm;
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ARMTargetAsmInfo::ARMTargetAsmInfo(const ARMTargetMachine &TM) {
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const ARMSubtarget *Subtarget = &TM.getSubtarget<ARMSubtarget>();
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if (Subtarget->isDarwin()) {
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HasDotTypeDotSizeDirective = false;
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PrivateGlobalPrefix = "L";
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GlobalPrefix = "_";
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ZeroDirective = "\t.space\t";
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SetDirective = "\t.set";
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WeakRefDirective = "\t.weak_reference\t";
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JumpTableDataSection = ".const";
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CStringSection = "\t.cstring";
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StaticCtorsSection = ".mod_init_func";
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StaticDtorsSection = ".mod_term_func";
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InlineAsmStart = "@ InlineAsm Start";
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InlineAsmEnd = "@ InlineAsm End";
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LCOMMDirective = "\t.lcomm\t";
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COMMDirectiveTakesAlignment = false;
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// In non-PIC modes, emit a special label before jump tables so that the
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// linker can perform more accurate dead code stripping.
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if (TM.getRelocationModel() != Reloc::PIC_) {
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// Emit a local label that is preserved until the linker runs.
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JumpTableSpecialLabelPrefix = "l";
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}
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NeedsSet = true;
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DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
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DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
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DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
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DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
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DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
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DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
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DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
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DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
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DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
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DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
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DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
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} else {
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Data16bitsDirective = "\t.half\t";
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Data32bitsDirective = "\t.word\t";
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ZeroDirective = "\t.skip\t";
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WeakRefDirective = "\t.weak\t";
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StaticCtorsSection = "\t.section .ctors,\"aw\",%progbits";
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StaticDtorsSection = "\t.section .dtors,\"aw\",%progbits";
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}
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AlignmentIsInBytes = false;
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Data64bitsDirective = 0;
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CommentString = "@";
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DataSection = "\t.data";
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ConstantPoolSection = "\t.text\n";
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}
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