TransferReadToLoad.cpp File Reference

#include "mlir/Dialect/AMDGPU/Transforms/Passes.h"
#include "mlir/Dialect/AMDGPU/IR/AMDGPUDialect.h"
#include "mlir/Dialect/Vector/IR/VectorOps.h"
#include "mlir/IR/BuiltinTypes.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/IR/TypeUtilities.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Support/LogicalResult.h"
#include "mlir/Transforms/WalkPatternRewriteDriver.h"
#include "mlir/Dialect/AMDGPU/Transforms/Passes.h.inc"

Go to the source code of this file.

Classes
struct	AmdgpuTransferReadToLoadPass

Namespaces
	mlir
	Include the generated interface declarations.
	mlir::amdgpu

Macros
#define	GEN_PASS_DEF_AMDGPUTRANSFERREADTOLOADPASS

Functions
static LogicalResult	transferPreconditions (PatternRewriter &rewriter, VectorTransferOpInterface xferOp, bool &requiresBroadcasting, VectorType &unbroadcastedVectorType)
	This pattern supports lowering of: vector.transfer_read to a combination of vector.load, arith.select and vector.broadcast if all of the following hold: More...

Macro Definition Documentation

GEN_PASS_DEF_AMDGPUTRANSFERREADTOLOADPASS

#define GEN_PASS_DEF_AMDGPUTRANSFERREADTOLOADPASS

Definition at line 21 of file TransferReadToLoad.cpp.

Function Documentation

transferPreconditions()

static LogicalResult transferPreconditions ( PatternRewriter &  rewriter, VectorTransferOpInterface  xferOp, bool &  requiresBroadcasting, VectorType &  unbroadcastedVectorType  )

static

This pattern supports lowering of: vector.transfer_read to a combination of vector.load, arith.select and vector.broadcast if all of the following hold:

• The transfer op is masked.
• The memref is in buffer address space.
• Stride of most minor memref dimension must be 1.
• Out-of-bounds masking is not required.
• If the memref's element type is a vector type then it coincides with the result type.
• The permutation map doesn't perform permutation (broadcasting is allowed). Note: those conditions mostly come from TransferReadToVectorLoadLowering pass.

Definition at line 40 of file TransferReadToLoad.cpp.

References mlir::RewriterBase::notifyMatchFailure(), and vectorShape().