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98eaa62e36
Summary: This patch enables .rgba accessors to ext_vector_type types and adds tests for syntax validation and code generation. 'a' and 'b' can appear either in the point access mode or the numeric access mode (for indices 10 and 11). To disambiguate between the two usages, the accessor type is explicitly passed to relevant methods. Reviewers: rsmith Subscribers: Anastasia, bader, srhines, cfe-commits Differential Revision: http://reviews.llvm.org/D20602 llvm-svn: 276455
75 lines
3.2 KiB
C
75 lines
3.2 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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vec2.a; // 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.rgbz; // expected-error {{illegal vector component name 'z'}}
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vec4.rgbc; // expected-error {{illegal vector component name 'c'}}
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vec4.xyzr; // expected-error {{illegal vector component name 'r'}}
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vec4.s01b; // expected-error {{vector component access exceeds type 'float4'}}
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vec3 = vec4.rgb; // legal, shorten
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f = vec2.r; // legal, shorten
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f = vec4.rg.r; // legal, shorten
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vec4_2.rgba = vec4.xyzw; // legal, no intermingling
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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.rr = vec2_2.rg; // expected-error {{vector is not assignable (contains duplicate components)}}
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vec2.gr = vec2_2.rg;
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vec2.gr.g = vec2_2.r;
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vec4 = (float4){ 1,2,3,4 };
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vec4.rg.b; // expected-error {{vector component access exceeds type 'float2'}}
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vec4.r = vec16.sf;
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vec4.g = vec16.sF;
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vec4p->gb = vec4p->rg;
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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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