derek.holloway
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55 lines
2.2 KiB
MLIR
55 lines
2.2 KiB
MLIR
// RUN: mlir-opt %s -convert-gpu-to-rocdl='chipset=gfx1250' --mlir-print-local-scope | FileCheck %s
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gpu.module @test_module {
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// CHECK-LABEL: func @named_barrier
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func.func @named_barrier() {
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%member_count = arith.constant 4 : i32
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// CHECK: %[[ADDR:.*]] = llvm.mlir.addressof @[[NB:__named_barrier[_0-9]*]] : !llvm.ptr<3>
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// CHECK: rocdl.s.barrier.init %[[ADDR]] member_cnt = 4
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%nb = gpu.initialize_named_barrier %member_count : i32 -> !gpu.named_barrier
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// CHECK: llvm.fence syncscope("workgroup") release
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// CHECK: rocdl.s.barrier.join %[[ADDR]]
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// CHECK: rocdl.s.barrier.signal.var %[[ADDR]] member_cnt = 0
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// CHECK: rocdl.s.barrier.wait id = 1
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// CHECK: llvm.fence syncscope("workgroup") acquire
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gpu.barrier named(%nb : !gpu.named_barrier)
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func.return
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}
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// CHECK-LABEL: func @two_named_barriers
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func.func @two_named_barriers() {
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%c4 = arith.constant 4 : i32
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%c8 = arith.constant 8 : i32
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// CHECK: %[[ADDR0:.*]] = llvm.mlir.addressof @[[NB0:__named_barrier[_0-9]*]] : !llvm.ptr<3>
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// CHECK: rocdl.s.barrier.init %[[ADDR0]] member_cnt = 4
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%nb0 = gpu.initialize_named_barrier %c4 : i32 -> !gpu.named_barrier
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// CHECK: %[[ADDR1:.*]] = llvm.mlir.addressof @[[NB1:__named_barrier[_0-9]*]] : !llvm.ptr<3>
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// CHECK: rocdl.s.barrier.init %[[ADDR1]] member_cnt = 8
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%nb1 = gpu.initialize_named_barrier %c8 : i32 -> !gpu.named_barrier
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// CHECK: rocdl.s.barrier.join %[[ADDR0]]
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// CHECK: rocdl.s.barrier.signal.var %[[ADDR0]] member_cnt = 0
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// CHECK: rocdl.s.barrier.wait id = 1
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gpu.barrier named(%nb0 : !gpu.named_barrier)
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// CHECK: rocdl.s.barrier.join %[[ADDR1]]
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// CHECK: rocdl.s.barrier.signal.var %[[ADDR1]] member_cnt = 0
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// CHECK: rocdl.s.barrier.wait id = 1
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gpu.barrier named(%nb1 : !gpu.named_barrier)
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func.return
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}
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// CHECK-LABEL: func @cluster_scope
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func.func @cluster_scope() {
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// CHECK: llvm.fence syncscope("cluster") release
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// CHECK-NEXT: rocdl.s.barrier.signal id = -3
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// CHECK-NEXT: rocdl.s.barrier.wait id = -3
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// CHECK-NEXT: llvm.fence syncscope("cluster") acquire
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gpu.barrier scope <cluster>
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func.return
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}
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// One LDS global per gpu.initialize_named_barrier.
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// CHECK-COUNT-3: llvm.mlir.global internal @__named_barrier{{[_0-9]*}}() {addr_space = 3 : i32} : !llvm.target<"amdgcn.named.barrier", 0>
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}
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