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b043278834
Summary: ".weak" symbols cannot be consumed by ptxas (PR21685). This patch makes the weak directive in MCAsmPrinter customizable, and disables emitting ".weak" symbols for NVPTX. Test Plan: weak-linkage.ll Reviewers: jholewinski Reviewed By: jholewinski Subscribers: majnemer, jholewinski, llvm-commits Differential Revision: http://reviews.llvm.org/D6455 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223077 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
//===-- NVPTXMCAsmInfo.cpp - NVPTX asm properties -------------------------===//
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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 contains the declarations of the NVPTXMCAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "NVPTXMCAsmInfo.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/CommandLine.h"
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using namespace llvm;
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// -debug-compile - Command line option to inform opt and llc passes to
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// compile for debugging
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static cl::opt<bool> CompileForDebugging("debug-compile",
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cl::desc("Compile for debugging"),
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cl::Hidden, cl::init(false));
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void NVPTXMCAsmInfo::anchor() {}
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NVPTXMCAsmInfo::NVPTXMCAsmInfo(StringRef TT) {
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Triple TheTriple(TT);
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if (TheTriple.getArch() == Triple::nvptx64) {
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PointerSize = CalleeSaveStackSlotSize = 8;
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}
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CommentString = "//";
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HasSingleParameterDotFile = false;
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InlineAsmStart = " inline asm";
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InlineAsmEnd = " inline asm";
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SupportsDebugInformation = CompileForDebugging;
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HasDotTypeDotSizeDirective = false;
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Data8bitsDirective = " .b8 ";
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Data16bitsDirective = " .b16 ";
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Data32bitsDirective = " .b32 ";
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Data64bitsDirective = " .b64 ";
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ZeroDirective = " .b8";
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AsciiDirective = " .b8";
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AscizDirective = " .b8";
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// @TODO: Can we just disable this?
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WeakDirective = "\t// .weak\t";
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GlobalDirective = "\t// .globl\t";
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}
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