derek.holloway
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108 lines
5.2 KiB
Common Lisp
108 lines
5.2 KiB
Common Lisp
// RUN: %clang_cc1 %s -triple spir -cl-std=CL1.2 -fdeclare-opencl-builtins -finclude-default-header -emit-llvm-bc -o %t.bc
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// RUN: llvm-spirv %t.bc -o %t.spv
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// RUN: spirv-val %t.spv
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// RUN: llvm-spirv %t.spv -to-text -o - | FileCheck %s --check-prefix=CHECK-SPIRV
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// RUN: llvm-spirv %t.spv -r --spirv-target-env=CL1.2 -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-LLVM
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// This test checks that the translator is capable to correctly translate
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// mem_fence OpenCL C 1.2 built-in function [1] into corresponding SPIR-V
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// instruction and vice-versa.
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// Strictly speaking, this flag is not supported by mem_fence in OpenCL 1.2
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#define CLK_IMAGE_MEM_FENCE 0x04
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__kernel void test_mem_fence_const_flags() {
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mem_fence(CLK_LOCAL_MEM_FENCE);
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mem_fence(CLK_GLOBAL_MEM_FENCE);
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mem_fence(CLK_IMAGE_MEM_FENCE);
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mem_fence(CLK_LOCAL_MEM_FENCE | CLK_GLOBAL_MEM_FENCE);
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mem_fence(CLK_LOCAL_MEM_FENCE | CLK_IMAGE_MEM_FENCE);
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mem_fence(CLK_GLOBAL_MEM_FENCE | CLK_LOCAL_MEM_FENCE | CLK_IMAGE_MEM_FENCE);
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read_mem_fence(CLK_LOCAL_MEM_FENCE);
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read_mem_fence(CLK_GLOBAL_MEM_FENCE);
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read_mem_fence(CLK_LOCAL_MEM_FENCE | CLK_GLOBAL_MEM_FENCE);
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write_mem_fence(CLK_LOCAL_MEM_FENCE);
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write_mem_fence(CLK_GLOBAL_MEM_FENCE);
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write_mem_fence(CLK_LOCAL_MEM_FENCE | CLK_GLOBAL_MEM_FENCE);
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}
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__kernel void test_mem_fence_non_const_flags(cl_mem_fence_flags flags) {
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// FIXME: OpenCL spec doesn't require flags to be compile-time known
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// mem_fence(flags);
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}
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// CHECK-SPIRV: EntryPoint [[#]] [[TEST_CONST_FLAGS:[0-9]+]] "test_mem_fence_const_flags"
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// CHECK-SPIRV: TypeInt [[UINT:[0-9]+]] 32 0
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//
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// In SPIR-V, mem_fence is represented as OpMemoryBarrier [2] and OpenCL
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// cl_mem_fence_flags are represented as part of Memory Semantics [3], which
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// also includes memory order constraints. The translator applies some default
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// memory order for OpMemoryBarrier and therefore, constants below include a
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// bit more information than original source
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//
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// 0x2 Workgroup
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[WG:[0-9]+]] 2
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//
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// 0x2 Acquire + 0x100 WorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_LOCAL:[0-9]+]] 258
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// 0x2 Acquire + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_GLOBAL:[0-9]+]] 514
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// 0x2 Acquire + 0x100 WorkgroupMemory + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_LOCAL_GLOBAL:[0-9]+]] 770
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//
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// 0x4 Release + 0x100 WorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[REL_LOCAL:[0-9]+]] 260
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// 0x4 Release + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[REL_GLOBAL:[0-9]+]] 516
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// 0x4 Release + 0x100 WorkgroupMemory + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[REL_LOCAL_GLOBAL:[0-9]+]] 772
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//
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// 0x8 AcquireRelease + 0x100 WorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_LOCAL:[0-9]+]] 264
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// 0x8 AcquireRelease + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_GLOBAL:[0-9]+]] 520
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// 0x8 AcquireRelease + 0x800 ImageMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_IMAGE:[0-9]+]] 2056
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// 0x8 AcquireRelease + 0x100 WorkgroupMemory + 0x200 CrossWorkgroupMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_LOCAL_GLOBAL:[0-9]+]] 776
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// 0x8 AcquireRelease + 0x100 WorkgroupMemory + 0x800 ImageMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_LOCAL_IMAGE:[0-9]+]] 2312
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// 0x8 AcquireRelease + 0x100 WorkgroupMemory + 0x200 CrossWorkgroupMemory + 0x800 ImageMemory
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// CHECK-SPIRV-DAG: Constant [[UINT]] [[ACQ_REL_LOCAL_GLOBAL_IMAGE:[0-9]+]] 2824
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//
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// CHECK-SPIRV: Function {{[0-9]+}} [[TEST_CONST_FLAGS]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_LOCAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_GLOBAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_IMAGE]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_LOCAL_GLOBAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_LOCAL_IMAGE]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_REL_LOCAL_GLOBAL_IMAGE]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_LOCAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_GLOBAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[ACQ_LOCAL_GLOBAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[REL_LOCAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[REL_GLOBAL]]
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// CHECK-SPIRV: MemoryBarrier [[WG]] [[REL_LOCAL_GLOBAL]]
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//
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// CHECK-LLVM-LABEL: define spir_kernel void @test_mem_fence_const_flags
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 1)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 2)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 4)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 3)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 5)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 7)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 1)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 2)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 3)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 1)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 2)
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// CHECK-LLVM: call spir_func void @_Z9mem_fencej(i32 3)
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// References:
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// [1]: https://www.khronos.org/registry/OpenCL/sdk/1.2/docs/man/xhtml/mem_fence.html
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// [2]: https://www.khronos.org/registry/spir-v/specs/unified1/SPIRV.html#OpMemoryBarrier
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// [3]: https://www.khronos.org/registry/spir-v/specs/unified1/SPIRV.html#_a_id_memory_semantics__id_a_memory_semantics_lt_id_gt
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