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TheRock/compiler/amd-llvm/clang/test/AST/HLSL/ConstantBuffers-AST.hlsl
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121 lines
6.6 KiB
HLSL

// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.0-library -x hlsl -ast-dump -disable-llvm-passes -finclude-default-header -o - %s | FileCheck %s
// CHECK: ClassTemplateDecl {{.*}} ConstantBuffer
// CHECK: TemplateTypeParmDecl {{.*}} element_type
// CHECK: CXXRecordDecl {{.*}} ConstantBuffer definition
// CHECK: FinalAttr {{.*}} Implicit final
// CHECK-NEXT: FieldDecl {{.*}} implicit __handle '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK: CXXConstructorDecl {{.*}} ConstantBuffer<element_type> 'void ()' inline
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: BinaryOperator {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' '='
// CHECK-NEXT: MemberExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' lvalue .__handle
// CHECK-NEXT: CXXThisExpr {{.*}} 'hlsl::ConstantBuffer<element_type>' lvalue implicit this
// CHECK-NEXT: CStyleCastExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' <Dependent>
// CHECK-NEXT: CallExpr {{.*}} '<dependent type>'
// CHECK: CXXConstructorDecl {{.*}} ConstantBuffer<element_type> 'void (const hlsl::ConstantBuffer<element_type> &)' inline
// CHECK-NEXT: ParmVarDecl {{.*}} other 'const hlsl::ConstantBuffer<element_type> &'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: BinaryOperator {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' '='
// CHECK-NEXT: MemberExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' lvalue .__handle
// CHECK-NEXT: CXXThisExpr {{.*}} 'hlsl::ConstantBuffer<element_type>' lvalue implicit this
// CHECK-NEXT: MemberExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' lvalue .__handle
// CHECK-NEXT: DeclRefExpr {{.*}} 'const hlsl::ConstantBuffer<element_type>' lvalue ParmVar {{.*}} 'other' 'const hlsl::ConstantBuffer<element_type> &'
// CHECK: CXXMethodDecl {{.*}} operator= 'hlsl::ConstantBuffer<element_type> &(const hlsl::ConstantBuffer<element_type> &)' inline
// CHECK-NEXT: ParmVarDecl {{.*}} other 'const hlsl::ConstantBuffer<element_type> &'
// CHECK-NEXT: CompoundStmt
// CHECK-NEXT: BinaryOperator {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' '='
// CHECK-NEXT: MemberExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' lvalue .__handle
// CHECK-NEXT: CXXThisExpr {{.*}} 'hlsl::ConstantBuffer<element_type>' lvalue implicit this
// CHECK-NEXT: MemberExpr {{.*}} '__hlsl_resource_t
// CHECK-SAME{LITERAL}: [[hlsl::resource_class(CBuffer)]]
// CHECK-SAME{LITERAL}: [[hlsl::contained_type(element_type)]]
// CHECK-SAME: ' lvalue .__handle
// CHECK-NEXT: DeclRefExpr {{.*}} 'const hlsl::ConstantBuffer<element_type>' lvalue ParmVar {{.*}} 'other' 'const hlsl::ConstantBuffer<element_type> &'
// CHECK-NEXT: ReturnStmt
// CHECK-NEXT: CXXThisExpr {{.*}} 'hlsl::ConstantBuffer<element_type>' lvalue implicit this
struct S {
float a;
};
ConstantBuffer<S> cb;
struct Nested {
S s;
float b;
};
ConstantBuffer<Nested> cb_nested;
void takes_s(S s) {}
void takes_cb(ConstantBuffer<S> c) {}
void takes_inout_cb(inout ConstantBuffer<S> c) {}
float main() {
// CHECK: FunctionDecl {{.*}} main
// CHECK: MemberExpr {{.*}} 'const hlsl_constant float' lvalue .a
// CHECK-NEXT: CXXMemberCallExpr {{.*}} 'const hlsl_constant S' lvalue
// CHECK-NEXT: MemberExpr {{.*}} '<bound member function type>' .operator const hlsl_constant S &
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'const hlsl::ConstantBuffer<S>' lvalue <NoOp>
// CHECK-NEXT: DeclRefExpr {{.*}} 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>' lvalue Var {{.*}} 'cb' 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>'
float f1 = cb.a;
// CHECK: MemberExpr {{.*}} 'const hlsl_constant float' lvalue .b
// CHECK-NEXT: CXXMemberCallExpr {{.*}} 'const hlsl_constant Nested' lvalue
// CHECK-NEXT: MemberExpr {{.*}} '<bound member function type>' .operator const hlsl_constant Nested &
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'const hlsl::ConstantBuffer<Nested>' lvalue <NoOp>
// CHECK-NEXT: DeclRefExpr {{.*}} 'ConstantBuffer<Nested>':'hlsl::ConstantBuffer<Nested>' lvalue Var {{.*}} 'cb_nested' 'ConstantBuffer<Nested>':'hlsl::ConstantBuffer<Nested>'
float f2 = cb_nested.b;
// CHECK: MemberExpr {{.*}} 'const hlsl_constant float' lvalue .a
// CHECK-NEXT: MemberExpr {{.*}} 'const hlsl_constant S' lvalue .s
// CHECK-NEXT: CXXMemberCallExpr {{.*}} 'const hlsl_constant Nested' lvalue
// CHECK-NEXT: MemberExpr {{.*}} '<bound member function type>' .operator const hlsl_constant Nested &
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'const hlsl::ConstantBuffer<Nested>' lvalue <NoOp>
// CHECK-NEXT: DeclRefExpr {{.*}} 'ConstantBuffer<Nested>':'hlsl::ConstantBuffer<Nested>' lvalue Var {{.*}} 'cb_nested' 'ConstantBuffer<Nested>':'hlsl::ConstantBuffer<Nested>'
float f3 = cb_nested.s.a;
// CHECK: CallExpr {{.*}} 'void'
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'void (*)(ConstantBuffer<S>)' <FunctionToPointerDecay>
// CHECK-NEXT: DeclRefExpr {{.*}} 'void (ConstantBuffer<S>)' lvalue Function {{.*}} 'takes_cb' 'void (ConstantBuffer<S>)'
// CHECK-NEXT: CXXConstructExpr {{.*}} 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>' 'void (const hlsl::ConstantBuffer<S> &)'
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'const hlsl::ConstantBuffer<S>' lvalue <NoOp>
// CHECK-NEXT: DeclRefExpr {{.*}} 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>' lvalue Var {{.*}} 'cb' 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>'
takes_cb(cb);
// CHECK: CallExpr {{.*}} 'void'
// CHECK-NEXT: ImplicitCastExpr {{.*}} 'void (*)(inout ConstantBuffer<S>)' <FunctionToPointerDecay>
// CHECK-NEXT: DeclRefExpr {{.*}} 'void (inout ConstantBuffer<S>)' lvalue Function {{.*}} 'takes_inout_cb' 'void (inout ConstantBuffer<S>)'
// CHECK-NEXT: HLSLOutArgExpr {{.*}} 'ConstantBuffer<S>':'hlsl::ConstantBuffer<S>' lvalue inout
takes_inout_cb(cb);
return f1 + f2 + f3;
}