29 lines
1.3 KiB
C
29 lines
1.3 KiB
C
// RUN: clang -fsyntax-only -verify %s
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typedef __attribute__(( ext_vector_type(2) )) float float2;
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typedef __attribute__(( ext_vector_type(3) )) float float3;
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typedef __attribute__(( ext_vector_type(4) )) float float4;
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static void test() {
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float2 vec2, vec2_2;
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float3 vec3;
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float4 vec4, vec4_2;
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float f;
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vec2.z; // expected-error {{vector component access exceeds type 'float2'}}
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vec2.rgba; // expected-error {{vector component access exceeds type 'float2'}}
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vec4.rgba; // expected-warning {{expression result unused}}
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vec4.rgbc; // expected-error {{illegal vector component name 'c'}}
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vec3 = vec4.rgb; // legal, shorten
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f = vec2.x; // legal, shorten
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vec4_2.rgbr = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec4_2.rgbb = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec4_2.rgga = vec4.rgba; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec2.x = f;
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vec2.xx = vec2_2.xy; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec2.yx = vec2_2.xy;
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vec4 = (float4){ 1,2,3,4 };
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vec4.rg.a; // expected-error {{vector component access exceeds type 'float2'}}
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}
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