mlir/test/Target/LLVMIR/nvvmir.mlir

// RUN: mlir-translate -mlir-to-llvmir %s | FileCheck %s

llvm.func @nvvm_special_regs() -> i32 {
  // CHECK: %1 = call i32 @llvm.nvvm.read.ptx.sreg.tid.x()
  %1 = nvvm.read.ptx.sreg.tid.x : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.tid.y()
  %2 = nvvm.read.ptx.sreg.tid.y : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.tid.z()
  %3 = nvvm.read.ptx.sreg.tid.z : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
  %4 = nvvm.read.ptx.sreg.ntid.x : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.y()
  %5 = nvvm.read.ptx.sreg.ntid.y : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ntid.z()
  %6 = nvvm.read.ptx.sreg.ntid.z : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.x()
  %7 = nvvm.read.ptx.sreg.ctaid.x : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.y()
  %8 = nvvm.read.ptx.sreg.ctaid.y : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.ctaid.z()
  %9 = nvvm.read.ptx.sreg.ctaid.z : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.x()
  %10 = nvvm.read.ptx.sreg.nctaid.x : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.y()
  %11 = nvvm.read.ptx.sreg.nctaid.y : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.nctaid.z()
  %12 = nvvm.read.ptx.sreg.nctaid.z : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.warpsize()
  %13 = nvvm.read.ptx.sreg.warpsize : i32
  // CHECK: call i32 @llvm.nvvm.read.ptx.sreg.laneid()
  %14 = nvvm.read.ptx.sreg.laneid : i32
  llvm.return %1 : i32
}

llvm.func @llvm_nvvm_barrier0() {
  // CHECK: call void @llvm.nvvm.barrier0()
  nvvm.barrier0
  llvm.return
}

llvm.func @nvvm_shfl(
    %0 : i32, %1 : i32, %2 : i32,
    %3 : i32, %4 : f32) -> i32 {
  // CHECK: call i32 @llvm.nvvm.shfl.sync.bfly.i32(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %6 = nvvm.shfl.sync "bfly" %0, %3, %1, %2 : i32 -> i32
  // CHECK: call float @llvm.nvvm.shfl.sync.bfly.f32(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %7 = nvvm.shfl.sync "bfly" %0, %4, %1, %2 : f32 -> f32
  // CHECK: call i32 @llvm.nvvm.shfl.sync.up.i32(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %8 = nvvm.shfl.sync "up" %0, %3, %1, %2 : i32 -> i32
  // CHECK: call float @llvm.nvvm.shfl.sync.up.f32(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %9 = nvvm.shfl.sync "up" %0, %4, %1, %2 : f32 -> f32
  // CHECK: call i32 @llvm.nvvm.shfl.sync.down.i32(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %10 = nvvm.shfl.sync "down" %0, %3, %1, %2 : i32 -> i32
  // CHECK: call float @llvm.nvvm.shfl.sync.down.f32(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %11 = nvvm.shfl.sync "down" %0, %4, %1, %2 : f32 -> f32
  // CHECK: call i32 @llvm.nvvm.shfl.sync.idx.i32(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %12 = nvvm.shfl.sync "idx" %0, %3, %1, %2 : i32 -> i32
  // CHECK: call float @llvm.nvvm.shfl.sync.idx.f32(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %13 = nvvm.shfl.sync "idx" %0, %4, %1, %2 : f32 -> f32
  llvm.return %6 : i32
}

llvm.func @nvvm_shfl_pred(
    %0 : i32, %1 : i32, %2 : i32,
    %3 : i32, %4 : f32) -> !llvm.struct<(i32, i1)> {
  // CHECK: call { i32, i1 } @llvm.nvvm.shfl.sync.bfly.i32p(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %6 = nvvm.shfl.sync "bfly" %0, %3, %1, %2 {return_value_and_is_valid} : i32 -> !llvm.struct<(i32, i1)>
  // CHECK: call { float, i1 } @llvm.nvvm.shfl.sync.bfly.f32p(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %7 = nvvm.shfl.sync "bfly" %0, %4, %1, %2 {return_value_and_is_valid} : f32 -> !llvm.struct<(f32, i1)>
  // CHECK: call { i32, i1 } @llvm.nvvm.shfl.sync.up.i32p(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %8 = nvvm.shfl.sync "up" %0, %3, %1, %2 {return_value_and_is_valid} : i32 -> !llvm.struct<(i32, i1)>
  // CHECK: call { float, i1 } @llvm.nvvm.shfl.sync.up.f32p(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %9 = nvvm.shfl.sync "up" %0, %4, %1, %2 {return_value_and_is_valid} : f32 -> !llvm.struct<(f32, i1)>
  // CHECK: call { i32, i1 } @llvm.nvvm.shfl.sync.down.i32p(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %10 = nvvm.shfl.sync "down" %0, %3, %1, %2 {return_value_and_is_valid} : i32 -> !llvm.struct<(i32, i1)>
  // CHECK: call { float, i1 } @llvm.nvvm.shfl.sync.down.f32p(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %11 = nvvm.shfl.sync "down" %0, %4, %1, %2 {return_value_and_is_valid} : f32 -> !llvm.struct<(f32, i1)>
  // CHECK: call { i32, i1 } @llvm.nvvm.shfl.sync.idx.i32p(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %12 = nvvm.shfl.sync "idx" %0, %3, %1, %2 {return_value_and_is_valid} : i32 -> !llvm.struct<(i32, i1)>
  // CHECK: call { float, i1 } @llvm.nvvm.shfl.sync.idx.f32p(i32 %{{.*}}, float %{{.*}}, i32 %{{.*}}, i32 %{{.*}})
  %13 = nvvm.shfl.sync "idx" %0, %4, %1, %2 {return_value_and_is_valid} : f32 -> !llvm.struct<(f32, i1)>
  llvm.return %6 : !llvm.struct<(i32, i1)>
}

llvm.func @nvvm_vote(%0 : i32, %1 : i1) -> i32 {
  // CHECK: call i32 @llvm.nvvm.vote.ballot.sync(i32 %{{.*}}, i1 %{{.*}})
  %3 = nvvm.vote.ballot.sync %0, %1 : i32
  llvm.return %3 : i32
}

llvm.func @nvvm_mma(%a0 : vector<2xf16>, %a1 : vector<2xf16>,
                    %b0 : vector<2xf16>, %b1 : vector<2xf16>,
                    %c0 : f32, %c1 : f32, %c2 : f32, %c3 : f32,
                    %c4 : f32, %c5 : f32, %c6 : f32, %c7 : f32) -> !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32)> {
  // CHECK: call { float, float, float, float, float, float, float, float } @llvm.nvvm.mma.m8n8k4.row.col.f32.f32
  %0 = nvvm.mma.sync %a0, %a1, %b0, %b1, %c0, %c1, %c2, %c3, %c4, %c5, %c6, %c7 {alayout="row", blayout="col"} : (vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>, f32, f32, f32, f32, f32, f32, f32, f32) -> !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32)>
  llvm.return %0 : !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32)>
}

// The test below checks the correct mapping of the nvvm.wmma.*.load.* op to the correct intrinsic
// in the LLVM NVPTX backend.
llvm.func @gpu_wmma_load_op(%arg0: !llvm.ptr<i32, 3>, %arg1: i32) {
  // CHECK: call { <2 x half>, <2 x half>, <2 x half>, <2 x half>, <2 x half>, <2 x half>, <2 x half>, <2 x half> } @llvm.nvvm.wmma.m16n16k16.load.a.row.stride.f16.p3i32(i32 addrspace(3)* %{{.*}}, i32 %{{.*}})
  %0 = nvvm.wmma.load %arg0, %arg1
    {eltype = "f16", frag = "a", k = 16 : i32, layout = "row", m = 16 : i32, n = 16 : i32}
    : (!llvm.ptr<i32, 3>) -> !llvm.struct<(vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>, vector<2xf16>)>

  llvm.return
}

// The test below checks the correct mapping of the nvvm.wmma.*.store.* op to the correct intrinsic
// in the LLVM NVPTX backend.
llvm.func @gpu_wmma_store_op(%arg0: !llvm.ptr<i32, 3>, %arg1: i32,
                            %arg2: vector<2 x f16>, %arg3: vector<2 x f16>,
                            %arg4: vector<2 xf16>, %arg5: vector<2 x f16>) {
  // CHECK: call void @llvm.nvvm.wmma.m16n16k16.store.d.row.stride.f16.p3i32(i32 addrspace(3)* %{{.*}}, <2 x half> {{.*}}, <2 x half> %{{.*}}, <2 x half> %{{.*}}, <2 x half> %{{.*}}, i32 %{{.*}})
  nvvm.wmma.store %arg0, %arg1, %arg2, %arg3, %arg4, %arg5
    {eltype = "f16", k = 16 : i32, layout = "row", m = 16 : i32, n = 16 : i32}
    : !llvm.ptr<i32, 3>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>
  llvm.return
}

// The test below checks the correct mapping of the nvvm.wmma.*.mma.* op to the correct intrinsic
// in the LLVM NVPTX backend.
llvm.func @gpu_wmma_mma_op(%arg0: vector<2 x f16>, %arg1: vector<2 x f16>,
                        %arg2: vector<2 x f16>, %arg3: vector<2 x f16>,
                        %arg4: vector<2 x f16>, %arg5: vector<2 x f16>,
                        %arg6: vector<2 x f16>, %arg7: vector<2 x f16>,
                        %arg8: vector<2 x f16>, %arg9: vector<2 x f16>,
                        %arg10: vector<2 x f16>, %arg11: vector<2 x f16>,
                        %arg12: vector<2 x f16>, %arg13: vector<2 x f16>,
                        %arg14: vector<2 x f16>, %arg15: vector<2 x f16>,
                        %arg16: vector<2 x f16>, %arg17: vector<2 x f16>,
                        %arg18: vector<2 x f16>, %arg19: vector<2 x f16>) {
  // CHECK: call { <2 x half>, <2 x half>, <2 x half>, <2 x half> } @llvm.nvvm.wmma.m16n16k16.mma.row.row.f16.f16(<2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}}, <2 x half> {{.*}})
  %0 = nvvm.wmma.mma %arg0, %arg1, %arg2, %arg3, %arg4, %arg5, %arg6, %arg7, %arg8, %arg9, %arg10, %arg11, %arg12, %arg13, %arg14, %arg15, %arg16, %arg17, %arg18, %arg19
    {eltypeA = "f16", eltypeB = "f16", k = 16 : i32, layoutA = "row", layoutB = "row", m = 16 : i32, n = 16 : i32}
    : (vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>,
       vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>,
       vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>,
       vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>)
      -> !llvm.struct<(vector<2 x f16>, vector<2 x f16>, vector<2 x f16>, vector<2 x f16>)>
  llvm.return
}

llvm.func @nvvm_wmma_load_tf32(%arg0: !llvm.ptr<i32>, %arg1 : i32) {
  // CHECK: call { i32, i32, i32, i32 } @llvm.nvvm.wmma.m16n16k8.load.a.row.stride.tf32.p0i32(i32* %{{.*}}, i32 %{{.*}})
  %0 = nvvm.wmma.load %arg0, %arg1
    {eltype = "tf32", frag = "a", k = 8 : i32, layout = "row", m = 16 : i32, n = 16 : i32}
    : (!llvm.ptr<i32>) -> !llvm.struct<(i32, i32, i32, i32)>
  llvm.return
}

llvm.func @nvvm_wmma_mma(%0 : i32, %1 : i32, %2 : i32, %3 : i32, %4 : i32, %5 : i32,
                    %6 : i32, %7 : i32, %8 : f32, %9 : f32, %10 : f32,
                    %11 : f32, %12 : f32, %13 : f32, %14 : f32, %15 : f32) {
  // CHECK: { float, float, float, float, float, float, float, float } @llvm.nvvm.wmma.m16n16k8.mma.row.row.tf32(i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}})
  %r = nvvm.wmma.mma %0, %1, %2, %3, %4, %5, %6, %7, %8, %9, %10, %11, %12, %13, %14, %15
    {eltypeA = "tf32", eltypeB = "f32", k = 8 : i32, layoutA = "row", layoutB = "row", m = 16 : i32, n = 16 : i32}
    : (i32, i32, i32, i32, i32, i32, i32, i32, f32, f32, f32, f32, f32, f32, f32, f32)
    -> !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32)>
  llvm.return
}

// This function has the "kernel" attribute attached and should appear in the
// NVVM annotations after conversion.
llvm.func @kernel_func() attributes {nvvm.kernel} {
  llvm.return
}

// CHECK:     !nvvm.annotations =
// CHECK-NOT: {i32 ()* @nvvm_special_regs, !"kernel", i32 1}
// CHECK:     {void ()* @kernel_func, !"kernel", i32 1}