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15aa64301a
Allow register binding attribute on variables. Report warning when register binding attribute applies to local variable or static variable. It will be ignored in this case. Type check for register binding is tracked with https://github.com/llvm/llvm-project/issues/57886. Reviewed By: aaron.ballman Differential Revision: https://reviews.llvm.org/D134617
61 lines
2.2 KiB
HLSL
61 lines
2.2 KiB
HLSL
// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -o - -fsyntax-only %s -verify
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// expected-error@+1 {{invalid resource class specifier 'c' used; expected 'b', 's', 't', or 'u'}}
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float a : register(c0, space1);
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// expected-error@+1 {{invalid resource class specifier 'i' used; expected 'b', 's', 't', or 'u'}}
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cbuffer b : register(i0) {
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}
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// expected-error@+1 {{invalid space specifier 's2' used; expected 'space' followed by an integer, like space1}}
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cbuffer c : register(b0, s2) {
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}
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// expected-error@+1 {{register number should be an integer}}
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cbuffer d : register(bf, s2) {
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}
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// expected-error@+1 {{invalid space specifier 'spaces' used; expected 'space' followed by an integer, like space1}}
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cbuffer e : register(b2, spaces) {
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}
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// expected-error@+1 {{expected identifier}}
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cbuffer A : register() {}
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// expected-error@+1 {{register number should be an integer}}
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cbuffer B : register(space1) {}
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// expected-error@+1 {{wrong argument format for hlsl attribute, use b2 instead}}
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cbuffer C : register(b 2) {}
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// expected-error@+2 {{wrong argument format for hlsl attribute, use b2 instead}}
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// expected-error@+1 {{wrong argument format for hlsl attribute, use space3 instead}}
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cbuffer D : register(b 2, space 3) {}
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// expected-warning@+1 {{'register' attribute only applies to cbuffer/tbuffer and external global variables}}
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static RWBuffer<float> U : register(u5);
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void foo() {
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// expected-warning@+1 {{'register' attribute only applies to cbuffer/tbuffer and external global variables}}
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RWBuffer<float> U : register(u3);
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}
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void foo2() {
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// expected-warning@+1 {{'register' attribute only applies to cbuffer/tbuffer and external global variables}}
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extern RWBuffer<float> U2 : register(u5);
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}
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// FIXME: expect-error once fix https://github.com/llvm/llvm-project/issues/57886.
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float b : register(u0, space1);
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// expected-warning@+1 {{'register' attribute only applies to cbuffer/tbuffer and external global variables}}
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void bar(RWBuffer<float> U : register(u3)) {
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}
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struct S {
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// FIXME: generate better error when support semantic on struct field.
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// See https://github.com/llvm/llvm-project/issues/57889.
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// expected-error@+1 {{expected expression}}
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RWBuffer<float> U : register(u3);
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};
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