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TheRock/compiler/amd-llvm/mlir/test/Conversion/GPUCommon/lower-memcpy-to-gpu-runtime-calls.mlir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

40 lines
1.7 KiB
MLIR

// RUN: mlir-opt %s --gpu-to-llvm | FileCheck %s
module attributes {gpu.container_module} {
// CHECK: func @foo
func.func @foo(%dst : memref<7xf32, 1>, %src : memref<7xf32>) {
// CHECK: %[[t0:.*]] = llvm.call @mgpuStreamCreate
%t0 = gpu.wait async
// CHECK: %[[size_bytes:.*]] = llvm.ptrtoint
// CHECK-NOT: llvm.addrspacecast
// CHECK: %[[addr_cast:.*]] = llvm.addrspacecast
// CHECK: llvm.call @mgpuMemcpy(%[[addr_cast]], %{{.*}}, %[[size_bytes]], %[[t0]])
%t1 = gpu.memcpy async [%t0] %dst, %src : memref<7xf32, 1>, memref<7xf32>
// CHECK: llvm.call @mgpuStreamSynchronize(%[[t0]])
// CHECK: llvm.call @mgpuStreamDestroy(%[[t0]])
gpu.wait [%t1]
return
}
}
// -----
module attributes {gpu.container_module} {
// CHECK: func @dynamic
func.func @dynamic(%dst : memref<?x?xf32, 1>, %src : memref<?x?xf32>) {
// CHECK: %[[T0:.*]] = llvm.call @mgpuStreamCreate
%t0 = gpu.wait async
%t1 = gpu.memcpy async [%t0] %dst, %src : memref<?x?xf32, 1>, memref<?x?xf32>
// CHECK: %[[DIM_SIZE_0:.*]] = llvm.extractvalue %{{.*}}[3, 0] : !llvm.struct<(ptr, ptr, i64, array<2 x i64>, array<2 x i64>)>
// CHECK-NEXT: %[[DIM_SIZE_1:.*]] = llvm.extractvalue %{{.*}}[3, 1] : !llvm.struct<(ptr, ptr, i64, array<2 x i64>, array<2 x i64>)>
// CHECK: %[[NUM_ELEMENTS:.*]] = llvm.mul %[[DIM_SIZE_0]], %[[DIM_SIZE_1]] : i64
// CHECK: %[[SIZE_PTR:.*]] = llvm.getelementptr %{{.*}}[%[[NUM_ELEMENTS]]] : (!llvm.ptr, i64) -> !llvm.ptr, f32
// CHECK-NEXT: %[[SIZE_INT:.*]] = llvm.ptrtoint %[[SIZE_PTR]] : !llvm.ptr to i64
// CHECK: %[[ADDR_CAST:.*]] = llvm.addrspacecast
// CHECK: llvm.call @mgpuMemcpy(%[[ADDR_CAST]], %{{.*}}, %[[SIZE_INT]], %[[T0]])
return
}
}