40 lines
1.7 KiB
MLIR
40 lines
1.7 KiB
MLIR
// RUN: mlir-opt %s --gpu-to-llvm | FileCheck %s
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module attributes {gpu.container_module} {
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// CHECK-LABEL: llvm.func @main
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// CHECK-SAME: %[[size:.*]]: i64
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func.func @main(%size : index) {
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// CHECK: %[[stream:.*]] = llvm.call @mgpuStreamCreate()
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%0 = gpu.wait async
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// CHECK: %[[gep:.*]] = llvm.getelementptr {{.*}}[%[[size]]]
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// CHECK: %[[size_bytes:.*]] = llvm.ptrtoint %[[gep]]
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// CHECK: %[[isHostShared:.*]] = llvm.mlir.constant
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// CHECK: llvm.call @mgpuMemAlloc(%[[size_bytes]], %[[stream]], %[[isHostShared]])
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%1, %2 = gpu.alloc async [%0] (%size) : memref<?xf32>
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// CHECK: %[[float_ptr:.*]] = llvm.extractvalue {{.*}}[0]
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// CHECK: llvm.call @mgpuMemFree(%[[float_ptr]], %[[stream]])
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%3 = gpu.dealloc async [%2] %1 : memref<?xf32>
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// CHECK: llvm.call @mgpuStreamSynchronize(%[[stream]])
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// CHECK: llvm.call @mgpuStreamDestroy(%[[stream]])
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gpu.wait [%3]
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return
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}
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// CHECK-LABEL: llvm.func @alloc_sync
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// CHECK-SAME: %[[size:.*]]: i64
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func.func @alloc_sync(%size : index) {
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// CHECK: %[[gep:.*]] = llvm.getelementptr {{.*}}[%[[size]]]
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// CHECK: %[[size_bytes:.*]] = llvm.ptrtoint %[[gep]]
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// CHECK: %[[nullptr:.*]] = llvm.mlir.zero
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// CHECK: %[[isHostShared:.*]] = llvm.mlir.constant
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// CHECK: llvm.call @mgpuMemAlloc(%[[size_bytes]], %[[nullptr]], %[[isHostShared]])
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%0 = gpu.alloc host_shared (%size) : memref<?xf32>
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// CHECK: %[[stream:.*]] = llvm.call @mgpuStreamCreate()
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%1 = gpu.wait async
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%2 = gpu.dealloc async [%1] %0 : memref<?xf32>
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// CHECK: llvm.call @mgpuStreamSynchronize(%[[stream]])
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// CHECK: llvm.call @mgpuStreamDestroy(%[[stream]])
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gpu.wait [%2]
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return
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}
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}
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