LLVM 20.0.0git
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#include "HexagonLoopIdiomRecognition.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopAnalysisManager.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsHexagon.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Triple.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/ScalarEvolutionExpander.h"
#include <algorithm>
#include <array>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <deque>
#include <functional>
#include <iterator>
#include <map>
#include <set>
#include <utility>
#include <vector>
Go to the source code of this file.
Namespaces | |
namespace | llvm |
This is an optimization pass for GlobalISel generic memory operations. | |
Macros | |
#define | DEBUG_TYPE "hexagon-lir" |
Functions | |
void | llvm::initializeHexagonLoopIdiomRecognizeLegacyPassPass (PassRegistry &) |
Pass * | llvm::createHexagonLoopIdiomPass () |
INITIALIZE_PASS_BEGIN (HexagonLoopIdiomRecognizeLegacyPass, "hexagon-loop-idiom", "Recognize Hexagon-specific loop idioms", false, false) INITIALIZE_PASS_END(HexagonLoopIdiomRecognizeLegacyPass | |
static void | replaceAllUsesOfWithIn (Value *I, Value *J, BasicBlock *BB) |
static bool | hasZeroSignBit (const Value *V) |
static bool | mayLoopAccessLocation (Value *Ptr, ModRefInfo Access, Loop *L, const SCEV *BECount, unsigned StoreSize, AliasAnalysis &AA, SmallPtrSetImpl< Instruction * > &Ignored) |
mayLoopAccessLocation - Return true if the specified loop might access the specified pointer location, which is a loop-strided access. | |
Variables | |
static cl::opt< bool > | DisableMemcpyIdiom ("disable-memcpy-idiom", cl::Hidden, cl::init(false), cl::desc("Disable generation of memcpy in loop idiom recognition")) |
static cl::opt< bool > | DisableMemmoveIdiom ("disable-memmove-idiom", cl::Hidden, cl::init(false), cl::desc("Disable generation of memmove in loop idiom recognition")) |
static cl::opt< unsigned > | RuntimeMemSizeThreshold ("runtime-mem-idiom-threshold", cl::Hidden, cl::init(0), cl::desc("Threshold (in bytes) for the runtime " "check guarding the memmove.")) |
static cl::opt< unsigned > | CompileTimeMemSizeThreshold ("compile-time-mem-idiom-threshold", cl::Hidden, cl::init(64), cl::desc("Threshold (in bytes) to perform the transformation, if the " "runtime loop count (mem transfer size) is known at compile-time.")) |
static cl::opt< bool > | OnlyNonNestedMemmove ("only-nonnested-memmove-idiom", cl::Hidden, cl::init(true), cl::desc("Only enable generating memmove in non-nested loops")) |
static cl::opt< bool > | HexagonVolatileMemcpy ("disable-hexagon-volatile-memcpy", cl::Hidden, cl::init(false), cl::desc("Enable Hexagon-specific memcpy for volatile destination.")) |
static cl::opt< unsigned > | SimplifyLimit ("hlir-simplify-limit", cl::init(10000), cl::Hidden, cl::desc("Maximum number of simplification steps in HLIR")) |
static const char * | HexagonVolatileMemcpyName = "hexagon_memcpy_forward_vp4cp4n2" |
hexagon loop | idiom |
hexagon loop Recognize Hexagon specific loop | idioms |
hexagon loop Recognize Hexagon specific loop | false |
#define DEBUG_TYPE "hexagon-lir" |
Definition at line 76 of file HexagonLoopIdiomRecognition.cpp.
Definition at line 1572 of file HexagonLoopIdiomRecognition.cpp.
References hasZeroSignBit(), and I.
Referenced by hasZeroSignBit().
INITIALIZE_PASS_BEGIN | ( | HexagonLoopIdiomRecognizeLegacyPass | , |
"hexagon-loop-idiom" | , | ||
"Recognize Hexagon-specific loop idioms" | , | ||
false | , | ||
false | |||
) |
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mayLoopAccessLocation - Return true if the specified loop might access the specified pointer location, which is a loop-strided access.
The 'Access' argument specifies what the verboten forms of access are (read or write).
Definition at line 1976 of file HexagonLoopIdiomRecognition.cpp.
References llvm::LocationSize::afterPointer(), B, llvm::SmallPtrSetImpl< PtrType >::count(), llvm::AAResults::getModRefInfo(), I, llvm::isModOrRefSet(), llvm::LocationSize::precise(), and Ptr.
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Definition at line 673 of file HexagonLoopIdiomRecognition.cpp.
References llvm::Use::getUser(), I, and II.
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hexagon loop Recognize Hexagon specific loop false |
Definition at line 284 of file HexagonLoopIdiomRecognition.cpp.
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Definition at line 108 of file HexagonLoopIdiomRecognition.cpp.
hexagon loop idiom |
Definition at line 283 of file HexagonLoopIdiomRecognition.cpp.
hexagon loop Recognize Hexagon specific loop idioms |
Definition at line 284 of file HexagonLoopIdiomRecognition.cpp.
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