derek.holloway
7502bf64a4
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56 lines
2.7 KiB
HLSL
56 lines
2.7 KiB
HLSL
// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.3-compute -std=hlsl202x -emit-llvm -disable-llvm-passes -hlsl-entry main -o - %s | FileCheck %s
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// In the case the template type is specified the groupshared attribute is preserved in the type
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// CHECK-LABEL: define linkonce_odr hidden void @_Z4tfooIU3AS3Dv4_iEvT_S2_(ptr addrspace(3) noundef align 4 dereferenceable(16) %a, ptr addrspace(3) noundef align 4 dereferenceable(16) %b)
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// CHECK: [[AAddr:%.*]] = alloca ptr addrspace(3), align 4
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// CHECK: [[BAddr:%.*]] = alloca ptr addrspace(3), align 4
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// CHECK: store ptr addrspace(3) %a, ptr [[AAddr]], align 4
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// CHECK: store ptr addrspace(3) %b, ptr [[BAddr]], align 4
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// CHECK: [[C:%.*]] = load ptr addrspace(3), ptr [[BAddr]], align 4
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// CHECK: [[D:%.*]] = load <4 x i32>, ptr addrspace(3) [[C]], align 4
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// CHECK: [[E:%.*]] = load ptr addrspace(3), ptr [[AAddr]], align 4
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// CHECK: store <4 x i32> [[D]], ptr addrspace(3) [[E]], align 4
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// CHECK: ret void
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// In the case the template type is deduced the deduction is done on the non cv-qualified type (the address space is removed)
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// So the non groupshared version of the function is deduced
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// CHECK-LABEL: define linkonce_odr hidden void @_Z4tfooIDv4_iEvT_S1_(<4 x i32> noundef %a, <4 x i32> noundef %b)
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// CHECK: [[AAddr:%.*]] = alloca <4 x i32>, align 4
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// CHECK: [[BAddr:%.*]] = alloca <4 x i32>, align 4
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// CHECK: store <4 x i32> %a, ptr [[AAddr]], align 4
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// CHECK: store <4 x i32> %b, ptr [[BAddr]], align 4
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// CHECK: [[C:%.*]] = load <4 x i32>, ptr [[BAddr]], align 4
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// CHECK: store <4 x i32> [[C]], ptr [[AAddr]], align 4
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// CHECK: ret void
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template<typename T>
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void tfoo(T a, T b) {
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a = b;
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}
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// CHECK-LABEL: define linkonce_odr hidden void @_Z5tfoo2IDv4_iEvRU3AS3T_S3_(ptr addrspace(3) noundef align 4 dereferenceable(16) %a, ptr addrspace(3) noundef align 4 dereferenceable(16) %b)
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// CHECK: [[AAddr:%.*]] = alloca ptr addrspace(3), align 4
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// CHECK: [[BAddr:%.*]] = alloca ptr addrspace(3), align 4
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// CHECK: store ptr addrspace(3) %a, ptr [[AAddr]], align 4
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// CHECK: store ptr addrspace(3) %b, ptr [[BAddr]], align 4
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// CHECK: [[Z:%.*]] = load ptr addrspace(3), ptr [[BAddr]], align 4
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// CHECK: [[Y:%.*]] = load <4 x i32>, ptr addrspace(3) [[Z]], align 4
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// CHECK: [[X:%.*]] = load ptr addrspace(3), ptr [[AAddr]], align 4
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// CHECK: store <4 x i32> [[Y]], ptr addrspace(3) [[X]], align 4
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// CHECK: ret void
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template<typename T>
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void tfoo2(groupshared T a, groupshared T b) {
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a = b;
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}
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using ISF = groupshared int4;
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ISF SharedData1;
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ISF SharedData2;
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[numthreads(4, 1, 1)]
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void main(uint3 TID : SV_GroupThreadID) {
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tfoo<ISF>(SharedData1, SharedData2);
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tfoo(SharedData1, SharedData2);
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tfoo2(SharedData1, SharedData2);
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}
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