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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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65
external/llvm/lib/Target/NVPTX/NVPTXMCExpr.cpp vendored
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//===-- NVPTXMCExpr.cpp - NVPTX specific MC expression classes ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "NVPTXMCExpr.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/Support/Format.h"
using namespace llvm;
#define DEBUG_TYPE "nvptx-mcexpr"
const NVPTXFloatMCExpr *
NVPTXFloatMCExpr::create(VariantKind Kind, const APFloat &Flt, MCContext &Ctx) {
return new (Ctx) NVPTXFloatMCExpr(Kind, Flt);
}
void NVPTXFloatMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
bool Ignored;
unsigned NumHex;
APFloat APF = getAPFloat();
switch (Kind) {
default: llvm_unreachable("Invalid kind!");
case VK_NVPTX_HALF_PREC_FLOAT:
// ptxas does not have a way to specify half-precision floats.
// Instead we have to print and load fp16 constants as .b16
OS << "0x";
NumHex = 4;
APF.convert(APFloat::IEEEhalf(), APFloat::rmNearestTiesToEven, &Ignored);
break;
case VK_NVPTX_SINGLE_PREC_FLOAT:
OS << "0f";
NumHex = 8;
APF.convert(APFloat::IEEEsingle(), APFloat::rmNearestTiesToEven, &Ignored);
break;
case VK_NVPTX_DOUBLE_PREC_FLOAT:
OS << "0d";
NumHex = 16;
APF.convert(APFloat::IEEEdouble(), APFloat::rmNearestTiesToEven, &Ignored);
break;
}
APInt API = APF.bitcastToAPInt();
OS << format_hex_no_prefix(API.getZExtValue(), NumHex, /*Upper=*/true);
}
const NVPTXGenericMCSymbolRefExpr*
NVPTXGenericMCSymbolRefExpr::create(const MCSymbolRefExpr *SymExpr,
MCContext &Ctx) {
return new (Ctx) NVPTXGenericMCSymbolRefExpr(SymExpr);
}
void NVPTXGenericMCSymbolRefExpr::printImpl(raw_ostream &OS,
const MCAsmInfo *MAI) const {
OS << "generic(";
SymExpr->print(OS, MAI);
OS << ")";
}