File: lower-launch-func-to-gpu-runtime-calls.mlir

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (63 lines) | stat: -rw-r--r-- 2,978 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
// RUN: mlir-opt %s --gpu-to-llvm="gpu-binary-annotation=nvvm.cubin use-opaque-pointers=1" | FileCheck %s
// RUN: mlir-opt %s --gpu-to-llvm="gpu-binary-annotation=rocdl.hsaco use-opaque-pointers=1" | FileCheck %s --check-prefix=ROCDL

module attributes {gpu.container_module} {

  // CHECK: llvm.mlir.global internal constant @[[KERNEL_NAME:.*]]("kernel\00")
  // CHECK: llvm.mlir.global internal constant @[[GLOBAL:.*]]("CUBIN")
  // ROCDL: llvm.mlir.global internal constant @[[GLOBAL:.*]]("HSACO")

  gpu.module @kernel_module attributes {
      nvvm.cubin = "CUBIN", rocdl.hsaco = "HSACO"
  } {
    llvm.func @kernel(%arg0: i32, %arg1: !llvm.ptr<f32>,
        %arg2: !llvm.ptr<f32>, %arg3: i64, %arg4: i64,
        %arg5: i64) attributes {gpu.kernel} {
      llvm.return
    }
  }

  func.func @foo(%buffer: memref<?xf32>) {
    %c8 = arith.constant 8 : index
    %c32 = arith.constant 32 : i32
    %c256 = arith.constant 256 : i32
    gpu.launch_func @kernel_module::@kernel
        blocks in (%c8, %c8, %c8)
        threads in (%c8, %c8, %c8)
        dynamic_shared_memory_size %c256
        args(%c32 : i32, %buffer : memref<?xf32>)
    return
  }

  // CHECK-DAG: [[C256:%.*]] = llvm.mlir.constant(256 : i32) : i32
  // CHECK-DAG: [[C8:%.*]] = llvm.mlir.constant(8 : index) : i64
  // CHECK: [[ADDRESSOF:%.*]] = llvm.mlir.addressof @[[GLOBAL]]
  // CHECK: [[BINARY:%.*]] = llvm.getelementptr [[ADDRESSOF]]{{\[}}0, 0]
  // CHECK-SAME: -> !llvm.ptr

  // CHECK: [[MODULE:%.*]] = llvm.call @mgpuModuleLoad([[BINARY]])
  // CHECK: [[FUNC:%.*]] = llvm.call @mgpuModuleGetFunction([[MODULE]], {{.*}})

  // CHECK: [[STREAM:%.*]] = llvm.call @mgpuStreamCreate

  // CHECK: %[[ONE:.*]] = llvm.mlir.constant(1 : i32)
  // CHECK: %[[MEMREF:.*]] = llvm.alloca %[[ONE]] x !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: [[NUM_PARAMS:%.*]] = llvm.mlir.constant(6 : i32) : i32
  // CHECK-NEXT: [[PARAMS:%.*]] = llvm.alloca [[NUM_PARAMS]] x !llvm.ptr

  // CHECK: llvm.getelementptr %[[MEMREF]][0, 0] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: llvm.getelementptr %[[MEMREF]][0, 1] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: llvm.getelementptr %[[MEMREF]][0, 2] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: llvm.getelementptr %[[MEMREF]][0, 3] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: llvm.getelementptr %[[MEMREF]][0, 4] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]
  // CHECK: llvm.getelementptr %[[MEMREF]][0, 5] : (!llvm.ptr) -> !llvm.ptr, !llvm.struct[[STRUCT_BODY:<.*>]]

  // CHECK: [[EXTRA_PARAMS:%.*]] = llvm.mlir.null : !llvm.ptr

  // CHECK: llvm.call @mgpuLaunchKernel([[FUNC]], [[C8]], [[C8]], [[C8]],
  // CHECK-SAME: [[C8]], [[C8]], [[C8]], [[C256]], [[STREAM]],
  // CHECK-SAME: [[PARAMS]], [[EXTRA_PARAMS]])
  // CHECK: llvm.call @mgpuStreamSynchronize
  // CHECK: llvm.call @mgpuStreamDestroy
  // CHECK: llvm.call @mgpuModuleUnload
}