6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-08 06:32:24 +00:00
Code Issues Projects Releases Wiki Activity

Remove dead file (was only used by the C backend)

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232397 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2015-03-16 18:18:32 +00:00
parent 44f89d36e3
commit bf71e29ec5
1 changed files with 0 additions and 94 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
include/llvm/Analysis/ConstantsScanner.h
View File

@ -1,94 +0,0 @@
//==- llvm/Analysis/ConstantsScanner.h - Iterate over constants -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class implements an iterator to walk through the constants referenced by
// a method. This is used by the Bitcode & Assembly writers to build constant
// pools.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_CONSTANTSSCANNER_H
#define LLVM_ANALYSIS_CONSTANTSSCANNER_H
#include "llvm/IR/InstIterator.h"
namespace llvm {
class Constant;
class constant_iterator : public std::iterator<std::forward_iterator_tag,
const Constant, ptrdiff_t> {
const_inst_iterator InstI; // Method instruction iterator
unsigned OpIdx; // Operand index
bool isAtConstant() const {
assert(!InstI.atEnd() && OpIdx < InstI->getNumOperands() &&
"isAtConstant called with invalid arguments!");
return isa<Constant>(InstI->getOperand(OpIdx));
}
public:
constant_iterator(const Function *F) : InstI(inst_begin(F)), OpIdx(0) {
// Advance to first constant... if we are not already at constant or end
if (InstI != inst_end(F) && // InstI is valid?
(InstI->getNumOperands() == 0 || !isAtConstant())) // Not at constant?
operator++();
}
constant_iterator(const Function *F, bool) // end ctor
: InstI(inst_end(F)),
OpIdx(0) {}
bool operator==(const constant_iterator &x) const {
return OpIdx == x.OpIdx && InstI == x.InstI;
}
bool operator!=(const constant_iterator &x) const { return !(*this == x); }
pointer operator*() const {
assert(isAtConstant() && "Dereferenced an iterator at the end!");
return cast<Constant>(InstI->getOperand(OpIdx));
}
pointer operator->() const { return **this; }
constant_iterator &operator++() { // Preincrement implementation
++OpIdx;
do {
unsigned NumOperands = InstI->getNumOperands();
while (OpIdx < NumOperands && !isAtConstant()) {
++OpIdx;
}
if (OpIdx < NumOperands) return *this; // Found a constant!
++InstI;
OpIdx = 0;
} while (!InstI.atEnd());
return *this; // At the end of the method
}
onstant_iterator operator++(int) { // Postincrement
constant_iterator tmp = *this;
++*this;
return tmp;
}
bool atEnd() const { return InstI.atEnd(); }
};
inline constant_iterator constant_begin(const Function *F) {
return constant_iterator(F);
}
inline constant_iterator constant_end(const Function *F) {
return constant_iterator(F, true);
}
} // End llvm namespace
#endif