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ad599211a7
This patch adds a new builtin type for AMDGPU's buffer rsrc data type, which is effectively an AS 8 pointer. This is needed because we'd like to expose certain intrinsics to users via builtins which take buffer rsrc as argument.
18 lines
1.3 KiB
C++
18 lines
1.3 KiB
C++
// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -fsyntax-only -verify -std=gnu++11 -triple amdgcn -Wno-unused-value %s
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void foo() {
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int n = 100;
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__amdgpu_buffer_rsrc_t v = 0; // expected-error {{cannot initialize a variable of type '__amdgpu_buffer_rsrc_t' with an rvalue of type 'int'}}
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static_cast<__amdgpu_buffer_rsrc_t>(n); // expected-error {{static_cast from 'int' to '__amdgpu_buffer_rsrc_t' is not allowed}}
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dynamic_cast<__amdgpu_buffer_rsrc_t>(n); // expected-error {{invalid target type '__amdgpu_buffer_rsrc_t' for dynamic_cast; target type must be a reference or pointer type to a defined class}}
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reinterpret_cast<__amdgpu_buffer_rsrc_t>(n); // expected-error {{reinterpret_cast from 'int' to '__amdgpu_buffer_rsrc_t' is not allowed}}
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int c(v); // expected-error {{cannot initialize a variable of type 'int' with an lvalue of type '__amdgpu_buffer_rsrc_t'}}
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__amdgpu_buffer_rsrc_t k;
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int *ip = (int *)k; // expected-error {{cannot cast from type '__amdgpu_buffer_rsrc_t' to pointer type 'int *'}}
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void *vp = (void *)k; // expected-error {{cannot cast from type '__amdgpu_buffer_rsrc_t' to pointer type 'void *'}}
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}
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static_assert(sizeof(__amdgpu_buffer_rsrc_t) == 16, "wrong size");
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static_assert(alignof(__amdgpu_buffer_rsrc_t) == 16, "wrong aignment");
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