3b2a1a5d9b
Also removes an outdated test buffer-array-operator.hlsl. Array operator on resources is tested in StructuredBuffers-subscripts.hlsl and RWBuffer-subscript.hlsl.
97 lines
7.0 KiB
HLSL
97 lines
7.0 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DXIL
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// FIXME: SPIR-V codegen of llvm.spv.resource.handlefrombinding and resource types is not yet implemented
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// RUN-DISABLED: %clang_cc1 -triple spirv-vulkan-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV
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// NOTE: Itanium ABI for C++ requires Clang to generate 2 constructors types to support polymorphism:
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// - C1 - Complete object constructor - constructs the complete object, including virtual base classes.
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// - C2 - Base object constructor - creates the object itself and initializes data members and non-virtual base classes.
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// The constructors are distinquished by C1/C2 designators in their mangled name.
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// https://itanium-cxx-abi.github.io/cxx-abi/abi.html#mangling-special-ctor-dtor
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// Resource with explicit binding
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ByteAddressBuffer Buf1 : register(t1, space2);
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// Resource with implicit binding
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RWByteAddressBuffer Buf2;
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export void foo() {
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// Local resource declaration
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RasterizerOrderedByteAddressBuffer Buf3;
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}
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// CHECK: %"class.hlsl::ByteAddressBuffer" = type { target("dx.RawBuffer", i8, 0, 0) }
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// CHECK: %"class.hlsl::RWByteAddressBuffer" = type { target("dx.RawBuffer", i8, 1, 0) }
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// CHECK: %"class.hlsl::RasterizerOrderedByteAddressBuffer" = type { target("dx.RawBuffer", i8, 1, 1) }
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// CHECK: @_ZL4Buf1 = internal global %"class.hlsl::ByteAddressBuffer" poison, align 4
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// CHECK: @[[Buf1Str:.*]] = private unnamed_addr constant [5 x i8] c"Buf1\00", align 1
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// CHECK: @_ZL4Buf2 = internal global %"class.hlsl::RWByteAddressBuffer" poison, align 4
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// CHECK: @[[Buf2Str:.*]] = private unnamed_addr constant [5 x i8] c"Buf2\00", align 1
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// Buf1 initialization part 1 - global init function that calls ByteAddressBuffer C1 constructor with explicit binding
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// CHECK: define internal void @__cxx_global_var_init()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: call void @_ZN4hlsl17ByteAddressBufferC1EjjijPKc(ptr noundef nonnull align 4 dereferenceable(4) @_ZL4Buf1,
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// CHECK-SAME: i32 noundef 1, i32 noundef 2, i32 noundef 1, i32 noundef 0, ptr noundef @[[Buf1Str]])
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// Buf1 initialization part 2 - body of ByteAddressBuffer C1 constructor with explicit binding that calls the C2 constructor
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl17ByteAddressBufferC1EjjijPKc(ptr noundef nonnull align 4 dereferenceable(4) %this,
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// CHECK-SAME: i32 noundef %registerNo, i32 noundef %spaceNo, i32 noundef %range, i32 noundef %index, ptr noundef %name)
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// CHECK: call void @_ZN4hlsl17ByteAddressBufferC2EjjijPKc(ptr noundef nonnull align 4 dereferenceable(4)
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// CHECK-SAME: %{{.*}}, i32 noundef %{{.*}}, i32 noundef %{{.*}}, i32 noundef %{{.*}}, i32 noundef %{{.*}}, ptr noundef %{{.*}})
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// Buf2 initialization part 1 - global init function that calls RWByteAddressBuffer C1 constructor with implicit binding
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// CHECK: define internal void @__cxx_global_var_init.1()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: call void @_ZN4hlsl19RWByteAddressBufferC1EjijjPKc(ptr noundef nonnull align 4 dereferenceable(4) @_ZL4Buf2,
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// CHECK-SAME: i32 noundef 0, i32 noundef 1, i32 noundef 0, i32 noundef 0, ptr noundef @[[Buf2Str]])
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// Buf2 initialization part 2 - body of RWByteAddressBuffer C1 constructor with implicit binding that calls the C2 constructor
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl19RWByteAddressBufferC1EjijjPKc(ptr noundef nonnull align 4 dereferenceable(4) %this,
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// CHECK-SAME: i32 noundef %spaceNo, i32 noundef %range, i32 noundef %index, i32 noundef %orderId, ptr noundef %name)
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// CHECK: call void @_ZN4hlsl19RWByteAddressBufferC2EjijjPKc(ptr noundef nonnull align 4 dereferenceable(4) %this1,
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// CHECK-SAME: i32 noundef %{{.*}}, i32 noundef %{{.*}}, i32 noundef %{{.*}}, i32 noundef %{{.*}}, ptr noundef %{{.*}})
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// Buf3 initialization part 1 - local variable declared in function foo() is initialized by
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// RasterizerOrderedByteAddressBuffer C1 default constructor
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// CHECK: define void @_Z3foov()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: %Buf3 = alloca %"class.hlsl::RasterizerOrderedByteAddressBuffer", align 4
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// CHECK-NEXT: call void @_ZN4hlsl34RasterizerOrderedByteAddressBufferC1Ev(ptr noundef nonnull align 4 dereferenceable(4) %Buf3)
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// Buf3 initialization part 2 - body of RasterizerOrderedByteAddressBuffer default C1 constructor that
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// calls the default C2 constructor
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl34RasterizerOrderedByteAddressBufferC1Ev(ptr noundef nonnull align 4 dereferenceable(4) %this)
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// CHECK: call void @_ZN4hlsl34RasterizerOrderedByteAddressBufferC2Ev(ptr noundef nonnull align 4 dereferenceable(4) %{{.*}})
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// CHECK-NEXT: ret void
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// Buf1 initialization part 3 - ByteAddressBuffer C2 constructor with explicit binding that initializes
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// handle with @llvm.dx.resource.handlefrombinding
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl17ByteAddressBufferC2EjjijPKc(ptr noundef nonnull align 4 dereferenceable(4) %this,
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// CHECK-SAME: i32 noundef %registerNo, i32 noundef %spaceNo, i32 noundef %range, i32 noundef %index, ptr noundef %name)
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// CHECK-DXIL: %[[HANDLE:.*]] = call target("dx.RawBuffer", i8, 0, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i8_0_0t(
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// CHECK-DXIL-SAME: i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i1 false, ptr %{{.*}})
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// CHECK-NEXT: %__handle = getelementptr inbounds nuw %"class.hlsl::ByteAddressBuffer", ptr %{{.*}}, i32 0, i32 0
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// CHECK-DXIL-NEXT: store target("dx.RawBuffer", i8, 0, 0) %[[HANDLE]], ptr %__handle, align 4
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// Buf2 initialization part 3 - body of RWByteAddressBuffer C2 constructor with implicit binding that initializes
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// handle with @llvm.dx.resource.handlefromimplicitbinding
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl19RWByteAddressBufferC2EjijjPKc(ptr noundef nonnull align 4 dereferenceable(4) %this,
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// CHECK-SAME: i32 noundef %spaceNo, i32 noundef %range, i32 noundef %index, i32 noundef %orderId, ptr noundef %name)
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// CHECK: %[[HANDLE:.*]] = call target("dx.RawBuffer", i8, 1, 0) @llvm.dx.resource.handlefromimplicitbinding.tdx.RawBuffer_i8_1_0t
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// CHECK-SAME: (i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i32 %{{.*}}, i1 false, ptr %{{.*}})
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// CHECK-NEXT: %__handle = getelementptr inbounds nuw %"class.hlsl::RWByteAddressBuffer", ptr %this1, i32 0, i32 0
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// CHECK-NEXT: store target("dx.RawBuffer", i8, 1, 0) %[[HANDLE]], ptr %__handle, align 4
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// Buf3 initialization part 3 - body of RasterizerOrderedByteAddressBuffer default C2 constructor that
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// initializes handle to poison
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// CHECK: define linkonce_odr hidden void @_ZN4hlsl34RasterizerOrderedByteAddressBufferC2Ev(ptr noundef nonnull align 4 dereferenceable(4) %this)
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// CHECK: %__handle = getelementptr inbounds nuw %"class.hlsl::RasterizerOrderedByteAddressBuffer", ptr %{{.*}}, i32 0, i32 0
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// CHECK: store target("dx.RawBuffer", i8, 1, 1) poison, ptr %__handle, align 4
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// Module initialization
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// CHECK: define internal void @_GLOBAL__sub_I_ByteAddressBuffers_constructors.hlsl()
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// CHECK-NEXT: entry:
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// CHECK-NEXT: call void @__cxx_global_var_init()
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// CHECK-NEXT: call void @__cxx_global_var_init.1()
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