NVPTXPromoteParamAlign.cpp File Reference

#include "NVPTX.h"
#include "NVPTXUtilities.h"
#include "llvm/ADT/Sequence.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include <optional>
#include <queue>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "nvptx-promote-param-align"

Functions
	INITIALIZE_PASS (NVPTXPromoteParamAlignLegacyPass, "nvptx-promote-param-align", "Promote alignment of parameters and return values (NVPTX)", false, false) static bool layoutAttrsMatch(AttributeSet CalleeAttrs
return !CalleeAttrs	getByValType ()||CalleeAttrs.getAlignment()
static bool	callSiteMatchesCalleeABI (const CallBase &CB, const Function &F)
static bool	canPromoteParamAlign (Function &F)
static bool	propagateAlignmentToLoads (Value *Val, Align NewAlign, const DataLayout &DL)
static MaybeAlign	getPromotedParamAlign (Align CurrentAlign)
static bool	promoteParamAlign (Function &F)
static bool	setByValParamABIAlign (Function &F)
static bool	propagateByValParamLoadAlign (Function &F)
static bool	promoteParamAlignModule (Module &M)

Variables
AttributeSet	CallAttrs

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "nvptx-promote-param-align"

Definition at line 40 of file NVPTXPromoteParamAlign.cpp.

Function Documentation

callSiteMatchesCalleeABI()

bool callSiteMatchesCalleeABI ( const CallBase & CB, const Function & F )

static

Definition at line 75 of file NVPTXPromoteParamAlign.cpp.

References llvm::all_of(), CallAttrs, F, llvm::CallBase::getAttributes(), I, and llvm::seq().

Referenced by promoteParamAlign().

canPromoteParamAlign()

bool canPromoteParamAlign ( Function & F )

static

Definition at line 90 of file NVPTXPromoteParamAlign.cpp.

References llvm::all_of(), and F.

Referenced by promoteParamAlign().

getByValType()

return !CalleeAttrs getByValType

(

)

References CallAttrs.

getPromotedParamAlign()

MaybeAlign getPromotedParamAlign ( Align CurrentAlign )

static

Definition at line 164 of file NVPTXPromoteParamAlign.cpp.

Referenced by promoteParamAlign().

INITIALIZE_PASS()

INITIALIZE_PASS	(	NVPTXPromoteParamAlignLegacyPass	,
		"nvptx-promote-param-align"	,
		"Promote alignment of parameters and return values (NVPTX)"	,
		false	,
		false	)

promoteParamAlign()

bool promoteParamAlign ( Function & F )

static

Definition at line 171 of file NVPTXPromoteParamAlign.cpp.

References assert(), callSiteMatchesCalleeABI(), canPromoteParamAlign(), llvm::dbgs(), DL, llvm::dyn_cast(), llvm::SmallVectorImpl< T >::emplace_back(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), F, getPromotedParamAlign(), llvm::getPTXParamTypeAlign(), llvm::Attribute::getWithStackAlignment(), llvm::Type::isEmptyTy(), LLVM_DEBUG, and llvm::shouldPassAsArray().

Referenced by promoteParamAlignModule().

promoteParamAlignModule()

bool promoteParamAlignModule ( Module & M )

static

Definition at line 293 of file NVPTXPromoteParamAlign.cpp.

References Changed, F, promoteParamAlign(), propagateByValParamLoadAlign(), and setByValParamABIAlign().

Referenced by llvm::NVPTXPromoteParamAlignPass::run().

propagateAlignmentToLoads()

bool propagateAlignmentToLoads ( Value * Val, Align NewAlign, const DataLayout & DL )

static

Definition at line 110 of file NVPTXPromoteParamAlign.cpp.

References assert(), llvm::cast(), Changed, llvm::commonAlignment(), DL, llvm::dyn_cast(), llvm::APInt::getLimitedValue(), llvm::APInt::getZero(), I, llvm::isa(), llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::Value::users().

Referenced by propagateByValParamLoadAlign().

propagateByValParamLoadAlign()

bool propagateByValParamLoadAlign ( Function & F )

static

Definition at line 274 of file NVPTXPromoteParamAlign.cpp.

References Changed, DL, F, llvm::getDeviceByValParamAlign(), llvm::Type::isEmptyTy(), and propagateAlignmentToLoads().

Referenced by promoteParamAlignModule().

setByValParamABIAlign()

bool setByValParamABIAlign ( Function & F )

static

Definition at line 247 of file NVPTXPromoteParamAlign.cpp.

References Changed, DL, F, llvm::getPTXParamTypeAlign(), llvm::Attribute::getWithAlignment(), and llvm::Type::isEmptyTy().

Referenced by promoteParamAlignModule().

Variable Documentation

CallAttrs

AttributeSet CallAttrs

Initial value:

{
  if (CalleeAttrs.getByValType() != CallAttrs.getByValType() ||
      CalleeAttrs.getStackAlignment() != CallAttrs.getStackAlignment())
    return false

Definition at line 65 of file NVPTXPromoteParamAlign.cpp.

Referenced by llvm::AArch64TTIImpl::areInlineCompatible(), callSiteMatchesCalleeABI(), llvm::AArch64TargetLowering::fallBackToDAGISel(), getByValType(), llvm::AArch64TTIImpl::getInlineCallPenalty(), and getSMToggleCondition().