Files
clang-p2996/mlir/test/Conversion/SCFToGPU/step_positive.mlir
Julian Gross e2310704d8 [MLIR] Create memref dialect and move dialect-specific ops from std.
Create the memref dialect and move dialect-specific ops
from std dialect to this dialect.

Moved ops:
AllocOp -> MemRef_AllocOp
AllocaOp -> MemRef_AllocaOp
AssumeAlignmentOp -> MemRef_AssumeAlignmentOp
DeallocOp -> MemRef_DeallocOp
DimOp -> MemRef_DimOp
MemRefCastOp -> MemRef_CastOp
MemRefReinterpretCastOp -> MemRef_ReinterpretCastOp
GetGlobalMemRefOp -> MemRef_GetGlobalOp
GlobalMemRefOp -> MemRef_GlobalOp
LoadOp -> MemRef_LoadOp
PrefetchOp -> MemRef_PrefetchOp
ReshapeOp -> MemRef_ReshapeOp
StoreOp -> MemRef_StoreOp
SubViewOp -> MemRef_SubViewOp
TransposeOp -> MemRef_TransposeOp
TensorLoadOp -> MemRef_TensorLoadOp
TensorStoreOp -> MemRef_TensorStoreOp
TensorToMemRefOp -> MemRef_BufferCastOp
ViewOp -> MemRef_ViewOp

The roadmap to split the memref dialect from std is discussed here:
https://llvm.discourse.group/t/rfc-split-the-memref-dialect-from-std/2667

Differential Revision: https://reviews.llvm.org/D98041
2021-03-15 11:14:09 +01:00

29 lines
1.3 KiB
MLIR

// RUN: mlir-opt -convert-affine-for-to-gpu="gpu-block-dims=1 gpu-thread-dims=1" %s | FileCheck %s
// CHECK-LABEL: @step_var
func @step_var(%A : memref<?x?xf32>, %B : memref<?x?xf32>) {
// Check that we divide by step.
// CHECK: %[[range_i:.*]] = divi_signed {{.*}}, %{{.*}}
// CHECK: %[[range_j:.*]] = divi_signed {{.*}}, %{{.*}}
// CHECK: gpu.launch
// CHECK-SAME: blocks(%{{[^)]*}}, %{{[^)]*}}, %{{[^)]*}}) in (%{{[^)]*}} = %[[range_i]], %{{[^)]*}} = %{{[^)]*}}, %{{[^)]*}} = %{{[^)]*}})
// CHECK-SAME: threads(%{{[^)]*}}, %{{[^)]*}}, %{{[^)]*}}) in (%{{[^)]*}} = %[[range_j]], %{{[^)]*}} = %{{[^)]*}}, %{{[^)]*}} = %{{[^)]*}})
affine.for %i = 5 to 15 step 4 {
affine.for %j = 3 to 19 step 7 {
// Loop induction variable remapping:
// iv = thread(block)_id * step + lower_bound
// CHECK: %[[prod_i:.*]] = muli %{{.*}}, %{{.*}} : index
// CHECK-NEXT: %[[i:.*]] = addi %{{.*}}, %[[prod_i]] : index
// CHECK-NEXT: %[[prod_j:.*]] = muli %{{.*}}, %{{.*}} : index
// CHECK-NEXT: %[[j:.*]] = addi %{{.*}}, %[[prod_j]] : index
// CHECK: {{.*}} = memref.load %{{.*}}[%[[i]], %[[j]]] : memref<?x?xf32>
%0 = memref.load %A[%i, %j] : memref<?x?xf32>
// CHECK: memref.store {{.*}}, %{{.*}}[%[[i]], %[[j]]] : memref<?x?xf32>
memref.store %0, %B[%i, %j] : memref<?x?xf32>
}
}
return
}