spirv: only set LocalSizeId mode when necessary
SPIR-V 1.6 added the LocalSizeId execution mode that allows using spec constants for setting the work-group size, however it does not deprecate the LocalSize mode. This change causes the LocalSizeId mode to only be used when at least one of the workgroup size is actually specified with a spec constant. Fixes #3200
This commit is contained in:
Arcady Goldmints-Orlov
arcady-lunarg
parent
4ce1a1a68d
commit
48f9ed8b08
@ -1741,9 +1741,16 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
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}
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break;
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case EShLangCompute:
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case EShLangCompute: {
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builder.addCapability(spv::CapabilityShader);
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if (glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_6) {
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bool needSizeId = false;
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for (int dim = 0; dim < 3; ++dim) {
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if ((glslangIntermediate->getLocalSizeSpecId(dim) != glslang::TQualifier::layoutNotSet)) {
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needSizeId = true;
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break;
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}
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}
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if (glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_6 && needSizeId) {
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std::vector<spv::Id> dimConstId;
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for (int dim = 0; dim < 3; ++dim) {
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bool specConst = (glslangIntermediate->getLocalSizeSpecId(dim) != glslang::TQualifier::layoutNotSet);
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@ -1751,6 +1758,7 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
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if (specConst) {
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builder.addDecoration(dimConstId.back(), spv::DecorationSpecId,
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glslangIntermediate->getLocalSizeSpecId(dim));
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needSizeId = true;
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}
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}
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builder.addExecutionModeId(shaderEntry, spv::ExecutionModeLocalSizeId, dimConstId);
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@ -1769,6 +1777,7 @@ TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion,
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builder.addExtension(spv::E_SPV_NV_compute_shader_derivatives);
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}
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break;
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}
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case EShLangTessEvaluation:
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case EShLangTessControl:
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builder.addCapability(spv::CapabilityTessellation);
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@ -248,17 +248,17 @@ local_size = (128, 1, 1)
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Capability Shader
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint GLCompute 4 "main" 17 32 57 74
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ExecutionModeId 4 LocalSizeId 7 8 8
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EntryPoint GLCompute 4 "main" 16 32 57 74
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ExecutionMode 4 LocalSize 128 1 1
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Source HLSL 500
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Name 4 "main"
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Name 12 "@main(u1;"
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Name 11 "id"
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Name 14 "MyStruct"
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MemberName 14(MyStruct) 0 "a"
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MemberName 14(MyStruct) 1 "b"
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MemberName 14(MyStruct) 2 "c"
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Name 17 "s"
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Name 10 "@main(u1;"
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Name 9 "id"
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Name 12 "MyStruct"
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MemberName 12(MyStruct) 0 "a"
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MemberName 12(MyStruct) 1 "b"
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MemberName 12(MyStruct) 2 "c"
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Name 16 "s"
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Name 25 "count"
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Name 26 "MyStruct"
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MemberName 26(MyStruct) 0 "a"
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@ -300,20 +300,20 @@ local_size = (128, 1, 1)
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2: TypeVoid
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3: TypeFunction 2
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6: TypeInt 32 0
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7: 6(int) Constant 128
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8: 6(int) Constant 1
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9: TypePointer Function 6(int)
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10: TypeFunction 2 9(ptr)
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14(MyStruct): TypeStruct 6(int) 6(int) 6(int)
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15: TypeArray 14(MyStruct) 7
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16: TypePointer Workgroup 15
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17(s): 16(ptr) Variable Workgroup
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18: TypeInt 32 1
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19: 18(int) Constant 0
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7: TypePointer Function 6(int)
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8: TypeFunction 2 7(ptr)
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12(MyStruct): TypeStruct 6(int) 6(int) 6(int)
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13: 6(int) Constant 128
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14: TypeArray 12(MyStruct) 13
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15: TypePointer Workgroup 14
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16(s): 15(ptr) Variable Workgroup
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17: TypeInt 32 1
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18: 17(int) Constant 0
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19: 6(int) Constant 1
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20: 6(int) Constant 2
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21: 6(int) Constant 3
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22:14(MyStruct) ConstantComposite 8 20 21
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23: TypePointer Workgroup 14(MyStruct)
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22:12(MyStruct) ConstantComposite 19 20 21
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23: TypePointer Workgroup 12(MyStruct)
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26(MyStruct): TypeStruct 6(int) 6(int) 6(int)
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27: TypeRuntimeArray 26(MyStruct)
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28(MyStructs): TypeStruct 6(int) 27
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@ -322,64 +322,64 @@ local_size = (128, 1, 1)
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31: TypePointer StorageBuffer 30(sb)
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32(sb): 31(ptr) Variable StorageBuffer
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33: TypePointer StorageBuffer 6(int)
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36: TypePointer Function 14(MyStruct)
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36: TypePointer Function 12(MyStruct)
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40: TypeBool
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47: 18(int) Constant 1
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47: 17(int) Constant 1
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49: TypePointer StorageBuffer 26(MyStruct)
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54: TypeRuntimeArray 26(MyStruct)
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55(o): TypeStruct 54
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56: TypePointer StorageBuffer 55(o)
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57(o): 56(ptr) Variable StorageBuffer
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61: 6(int) Constant 0
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67: 18(int) Constant 2
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67: 17(int) Constant 2
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73: TypePointer Input 6(int)
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74(id): 73(ptr) Variable Input
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4(main): 2 Function None 3
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5: Label
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72(id): 9(ptr) Variable Function
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76(param): 9(ptr) Variable Function
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72(id): 7(ptr) Variable Function
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76(param): 7(ptr) Variable Function
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75: 6(int) Load 74(id)
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Store 72(id) 75
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77: 6(int) Load 72(id)
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Store 76(param) 77
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78: 2 FunctionCall 12(@main(u1;) 76(param)
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78: 2 FunctionCall 10(@main(u1;) 76(param)
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Return
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FunctionEnd
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12(@main(u1;): 2 Function None 10
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11(id): 9(ptr) FunctionParameter
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13: Label
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25(count): 9(ptr) Variable Function
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10(@main(u1;): 2 Function None 8
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9(id): 7(ptr) FunctionParameter
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11: Label
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25(count): 7(ptr) Variable Function
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37(ms): 36(ptr) Variable Function
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24: 23(ptr) AccessChain 17(s) 19
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24: 23(ptr) AccessChain 16(s) 18
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Store 24 22
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34: 33(ptr) AccessChain 32(sb) 19 19 19
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34: 33(ptr) AccessChain 32(sb) 18 18 18
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35: 6(int) Load 34
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Store 25(count) 35
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38: 6(int) Load 11(id)
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38: 6(int) Load 9(id)
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39: 6(int) Load 25(count)
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41: 40(bool) UGreaterThan 38 39
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42: 6(int) Load 11(id)
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42: 6(int) Load 9(id)
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43: 6(int) Load 25(count)
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44: 6(int) ISub 42 43
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45: 23(ptr) AccessChain 17(s) 44
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46:14(MyStruct) Load 45
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48: 6(int) Load 11(id)
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50: 49(ptr) AccessChain 32(sb) 19 19 47 48
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45: 23(ptr) AccessChain 16(s) 44
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46:12(MyStruct) Load 45
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48: 6(int) Load 9(id)
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50: 49(ptr) AccessChain 32(sb) 18 18 47 48
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51:26(MyStruct) Load 50
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52:14(MyStruct) CopyLogical 51
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53:14(MyStruct) Select 41 46 52
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52:12(MyStruct) CopyLogical 51
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53:12(MyStruct) Select 41 46 52
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Store 37(ms) 53
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58: 33(ptr) AccessChain 57(o) 19 19 19
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59: 9(ptr) AccessChain 37(ms) 19
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58: 33(ptr) AccessChain 57(o) 18 18 18
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59: 7(ptr) AccessChain 37(ms) 18
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60: 6(int) Load 59
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62: 6(int) AtomicIAdd 58 8 61 60
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63: 33(ptr) AccessChain 57(o) 19 19 47
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64: 9(ptr) AccessChain 37(ms) 47
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62: 6(int) AtomicIAdd 58 19 61 60
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63: 33(ptr) AccessChain 57(o) 18 18 47
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64: 7(ptr) AccessChain 37(ms) 47
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65: 6(int) Load 64
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66: 6(int) AtomicIAdd 63 8 61 65
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68: 33(ptr) AccessChain 57(o) 19 19 67
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69: 9(ptr) AccessChain 37(ms) 67
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66: 6(int) AtomicIAdd 63 19 61 65
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68: 33(ptr) AccessChain 57(o) 18 18 67
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69: 7(ptr) AccessChain 37(ms) 67
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70: 6(int) Load 69
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71: 6(int) AtomicIAdd 68 8 61 70
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71: 6(int) AtomicIAdd 68 19 61 70
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Return
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FunctionEnd
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