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eb66b33867
I did this a long time ago with a janky python script, but now clang-format has built-in support for this. I fed clang-format every line with a #include and let it re-sort things according to the precise LLVM rules for include ordering baked into clang-format these days. I've reverted a number of files where the results of sorting includes isn't healthy. Either places where we have legacy code relying on particular include ordering (where possible, I'll fix these separately) or where we have particular formatting around #include lines that I didn't want to disturb in this patch. This patch is *entirely* mechanical. If you get merge conflicts or anything, just ignore the changes in this patch and run clang-format over your #include lines in the files. Sorry for any noise here, but it is important to keep these things stable. I was seeing an increasing number of patches with irrelevant re-ordering of #include lines because clang-format was used. This patch at least isolates that churn, makes it easy to skip when resolving conflicts, and gets us to a clean baseline (again). llvm-svn: 304787
123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
//===- MCInstPrinter.cpp - Convert an MCInst to target assembly syntax ----===//
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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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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cinttypes>
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#include <cstdint>
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using namespace llvm;
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void llvm::dumpBytes(ArrayRef<uint8_t> bytes, raw_ostream &OS) {
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static const char hex_rep[] = "0123456789abcdef";
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for (char i: bytes) {
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OS << hex_rep[(i & 0xF0) >> 4];
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OS << hex_rep[i & 0xF];
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OS << ' ';
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}
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}
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MCInstPrinter::~MCInstPrinter() = default;
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/// getOpcodeName - Return the name of the specified opcode enum (e.g.
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/// "MOV32ri") or empty if we can't resolve it.
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StringRef MCInstPrinter::getOpcodeName(unsigned Opcode) const {
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return MII.getName(Opcode);
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}
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void MCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
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llvm_unreachable("Target should implement this");
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}
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void MCInstPrinter::printAnnotation(raw_ostream &OS, StringRef Annot) {
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if (!Annot.empty()) {
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if (CommentStream) {
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(*CommentStream) << Annot;
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// By definition (see MCInstPrinter.h), CommentStream must end with
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// a newline after each comment.
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if (Annot.back() != '\n')
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(*CommentStream) << '\n';
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} else
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OS << " " << MAI.getCommentString() << " " << Annot;
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}
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}
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/// Utility functions to make adding mark ups simpler.
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StringRef MCInstPrinter::markup(StringRef s) const {
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if (getUseMarkup())
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return s;
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else
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return "";
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}
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StringRef MCInstPrinter::markup(StringRef a, StringRef b) const {
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if (getUseMarkup())
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return a;
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else
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return b;
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}
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// For asm-style hex (e.g. 0ffh) the first digit always has to be a number.
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static bool needsLeadingZero(uint64_t Value)
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{
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while (Value)
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{
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uint64_t digit = (Value >> 60) & 0xf;
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if (digit != 0)
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return (digit >= 0xa);
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Value <<= 4;
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}
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return false;
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}
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format_object<int64_t> MCInstPrinter::formatDec(int64_t Value) const {
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return format("%" PRId64, Value);
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}
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format_object<int64_t> MCInstPrinter::formatHex(int64_t Value) const {
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switch(PrintHexStyle) {
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case HexStyle::C:
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if (Value < 0)
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return format("-0x%" PRIx64, -Value);
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else
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return format("0x%" PRIx64, Value);
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case HexStyle::Asm:
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if (Value < 0) {
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if (needsLeadingZero((uint64_t)(-Value)))
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return format("-0%" PRIx64 "h", -Value);
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else
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return format("-%" PRIx64 "h", -Value);
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} else {
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if (needsLeadingZero((uint64_t)(Value)))
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return format("0%" PRIx64 "h", Value);
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else
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return format("%" PRIx64 "h", Value);
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}
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}
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llvm_unreachable("unsupported print style");
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}
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format_object<uint64_t> MCInstPrinter::formatHex(uint64_t Value) const {
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switch(PrintHexStyle) {
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case HexStyle::C:
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return format("0x%" PRIx64, Value);
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case HexStyle::Asm:
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if (needsLeadingZero(Value))
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return format("0%" PRIx64 "h", Value);
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else
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return format("%" PRIx64 "h", Value);
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}
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llvm_unreachable("unsupported print style");
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}
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