derek.holloway
7502bf64a4
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68 lines
4.4 KiB
HLSL
68 lines
4.4 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.6-compute -finclude-default-header \
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// RUN: -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
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// This test verifies handling of multi-dimensional local arrays of resources
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// when used as a function argument and local variable.
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// CHECK: @_ZL1A = internal global %"class.hlsl::RWBuffer" poison, align 4
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// CHECK: @_ZL1B = internal global %"class.hlsl::RWBuffer" poison, align 4
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RWBuffer<float> A : register(u10);
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RWBuffer<float> B : register(u20);
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RWStructuredBuffer<float> Out;
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// NOTE: _ZNK4hlsl8RWBufferIfEixEj is the subscript operator for RWBuffer<float> and
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// _ZNK4hlsl18RWStructuredBufferIfEixEj is the subscript operator for RWStructuredBuffer<float>
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// CHECK: define {{.*}} float @_Z3fooA2_A2_N4hlsl8RWBufferIfEE(ptr noundef byval([2 x [2 x %"class.hlsl::RWBuffer"]]) align 4 %Arr)
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %[[#C_ENTRY:]] = call token @llvm.experimental.convergence.entry()
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float foo(RWBuffer<float> Arr[2][2]) {
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// CHECK-NEXT: %[[Arr_1_Ptr:.*]] = getelementptr inbounds [2 x [2 x %"class.hlsl::RWBuffer"]], ptr %Arr, i32 0, i32 1
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// CHECK-NEXT: %[[Arr_1_1_Ptr:.*]] = getelementptr inbounds [2 x %"class.hlsl::RWBuffer"], ptr %[[Arr_1_Ptr]], i32 0, i32 1
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// CHECK-NEXT: %[[BufPtr:.*]] = call {{.*}} ptr @_ZNK4hlsl8RWBufferIfEixEj(ptr {{.*}} %[[Arr_1_1_Ptr]], i32 noundef 0)
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// CHECK-NEXT: %[[Value:.*]] = load float, ptr %[[BufPtr]], align 4
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// CHECK-NEXT: ret float %[[Value]]
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return Arr[1][1][0];
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}
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// CHECK: define internal void @_Z4mainv()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %[[#C_ENTRY:]] = call token @llvm.experimental.convergence.entry()
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[numthreads(4,1,1)]
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void main() {
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// CHECK: %L = alloca [2 x [2 x %"class.hlsl::RWBuffer"]], align 4
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// CHECK: %[[ref_tmp:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp1:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp2:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp3:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp4:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp5:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp6:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[ref_tmp7:.*]] = alloca %"class.hlsl::RWBuffer", align 4
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// CHECK: %[[agg_tmp:.*]] = alloca [2 x [2 x %"class.hlsl::RWBuffer"]], align 4
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// CHECK: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp]], ptr {{.*}} @_ZL1A)
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp1]], ptr {{.*}} %[[ref_tmp]])
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp2]], ptr {{.*}} @_ZL1B)
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp3]], ptr {{.*}} %[[ref_tmp2]])
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp4]], ptr {{.*}} @_ZL1A)
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp5]], ptr {{.*}} %[[ref_tmp4]])
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp6]], ptr {{.*}} @_ZL1B)
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[ref_tmp7]], ptr {{.*}} %[[ref_tmp6]])
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %L, ptr {{.*}} %[[ref_tmp1]])
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// CHECK-NEXT: %[[arrayinit_element:.*]] = getelementptr inbounds %"class.hlsl::RWBuffer", ptr %L, i32 1
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[arrayinit_element]], ptr {{.*}} %[[ref_tmp3]])
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// CHECK-NEXT: %[[arrayinit_element8:.*]] = getelementptr inbounds [2 x %"class.hlsl::RWBuffer"], ptr %L, i32 1
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[arrayinit_element8]], ptr {{.*}} %[[ref_tmp5]])
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// CHECK-NEXT: %[[arrayinit_element9:.*]] = getelementptr inbounds %"class.hlsl::RWBuffer", ptr %[[arrayinit_element8]], i32 1
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// CHECK-NEXT: call void @_ZN4hlsl8RWBufferIfEC1ERKS1_(ptr {{.*}} %[[arrayinit_element9]], ptr {{.*}} %[[ref_tmp7]])
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RWBuffer<float> L[2][2] = { { A, B }, { A, B } };
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// CHECK: call void @llvm.memcpy.p0.p0.i32(ptr align 4 %[[agg_tmp]], ptr align 4 %L, i32 16, i1 false)
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// CHECK-NEXT: %[[ReturnedValue:.*]] = call {{.*}}float @_Z3fooA2_A2_N4hlsl8RWBufferIfEE(ptr noundef byval([2 x [2 x %"class.hlsl::RWBuffer"]]) align 4 %[[agg_tmp]])
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// CHECK-NEXT: %[[OutBufPtr:.*]] = call {{.*}} ptr @_ZNK4hlsl18RWStructuredBufferIfEixEj(ptr {{.*}} @_ZL3Out, i32 noundef 0)
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// CHECK-NEXT: store float %[[ReturnedValue]], ptr %[[OutBufPtr]], align 4
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// CHECK-NEXT: ret void
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Out[0] = foo(L);
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}
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