47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
// RUN: %clang_cc1 -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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typedef __attribute__(( ext_vector_type(16) )) float float16;
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static float4 vec4_0 = (float4)0.5f;
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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, *vec4p;
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float16 vec16;
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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.xyzw; // expected-error {{vector component access exceeds type 'float2'}}
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vec4.xyzw; // expected-warning {{expression result unused}}
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vec4.xyzc; // expected-error {{illegal vector component name 'c'}}
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vec4.s01z; // expected-error {{illegal vector component name 'z'}}
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vec2 = vec4.s01; // legal, shorten
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vec2 = vec4.S01; // legal, shorten
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vec3 = vec4.xyz; // legal, shorten
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f = vec2.x; // legal, shorten
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f = vec4.xy.x; // legal, shorten
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vec4_2.xyzx = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec4_2.xyzz = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec4_2.xyyw = vec4.xyzw; // 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.xy.w; // expected-error {{vector component access exceeds type 'float2'}}
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vec4.s06; // expected-error {{vector component access exceeds type 'float4'}}
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vec4.x = vec16.sf;
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vec4.x = vec16.sF;
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vec4p->yz = vec4p->xy;
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}
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float2 lo(float3 x) { return x.lo; }
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float2 hi(float3 x) { return x.hi; }
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float2 ev(float3 x) { return x.even; }
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float2 od(float3 x) { return x.odd; }
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