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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/Sema/ext_vector_components.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/Sema/ext_vector_components.c')
-rw-r--r-- | test/Sema/ext_vector_components.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Sema/ext_vector_components.c b/test/Sema/ext_vector_components.c new file mode 100644 index 0000000..422a9e6 --- /dev/null +++ b/test/Sema/ext_vector_components.c @@ -0,0 +1,37 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +typedef __attribute__(( ext_vector_type(2) )) float float2; +typedef __attribute__(( ext_vector_type(3) )) float float3; +typedef __attribute__(( ext_vector_type(4) )) float float4; + +static void test() { + float2 vec2, vec2_2; + float3 vec3; + float4 vec4, vec4_2, *vec4p; + float f; + + vec2.z; // expected-error {{vector component access exceeds type 'float2'}} + vec2.xyzw; // expected-error {{vector component access exceeds type 'float2'}} + vec4.xyzw; // expected-warning {{expression result unused}} + vec4.xyzc; // expected-error {{illegal vector component name 'c'}} + vec4.s01z; // expected-error {{illegal vector component name 'z'}} + vec2 = vec4.s01; // legal, shorten + + vec3 = vec4.xyz; // legal, shorten + f = vec2.x; // legal, shorten + f = vec4.xy.x; // legal, shorten + + vec2 = vec3.hi; // expected-error {{vector component access invalid for odd-sized type 'float3'}} + + vec4_2.xyzx = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} + vec4_2.xyzz = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} + vec4_2.xyyw = vec4.xyzw; // expected-error {{vector is not assignable (contains duplicate components)}} + vec2.x = f; + vec2.xx = vec2_2.xy; // expected-error {{vector is not assignable (contains duplicate components)}} + vec2.yx = vec2_2.xy; + vec4 = (float4){ 1,2,3,4 }; + vec4.xy.w; // expected-error {{vector component access exceeds type 'float2'}} + vec4.s06; // expected-error {{vector component access exceeds type 'float4'}} + + vec4p->yz = vec4p->xy; +} |