File: lower-alloc-to-gpu-runtime-calls.mlir

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// RUN: mlir-opt %s --gpu-to-llvm='use-opaque-pointers=1' | FileCheck %s

module attributes {gpu.container_module} {
  // CHECK-LABEL: llvm.func @main
  // CHECK-SAME: %[[size:.*]]: i64
  func.func @main(%size : index) {
    // CHECK: %[[stream:.*]] = llvm.call @mgpuStreamCreate()
    %0 = gpu.wait async
    // CHECK: %[[gep:.*]] = llvm.getelementptr {{.*}}[%[[size]]]
    // CHECK: %[[size_bytes:.*]] = llvm.ptrtoint %[[gep]]
    // CHECK: llvm.call @mgpuMemAlloc(%[[size_bytes]], %[[stream]])
    %1, %2 = gpu.alloc async [%0] (%size) : memref<?xf32>
    // CHECK: %[[float_ptr:.*]] = llvm.extractvalue {{.*}}[0]
    // CHECK: llvm.call @mgpuMemFree(%[[float_ptr]], %[[stream]])
    %3 = gpu.dealloc async [%2] %1 : memref<?xf32>
    // CHECK: llvm.call @mgpuStreamSynchronize(%[[stream]])
    // CHECK: llvm.call @mgpuStreamDestroy(%[[stream]])
    gpu.wait [%3]
    return
  }
}