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view clang/test/Sema/ext_vector_comparisons.c @ 236:c4bab56944e8 llvm-original
LLVM 16
author | kono |
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date | Wed, 09 Nov 2022 17:45:10 +0900 |
parents | 79ff65ed7e25 |
children |
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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s typedef __attribute__(( ext_vector_type(4) )) int int4; static int4 test1(void) { int4 vec, rv; // comparisons to self... return vec == vec; // expected-warning{{self-comparison always evaluates to true}} return vec != vec; // expected-warning{{self-comparison always evaluates to false}} return vec < vec; // expected-warning{{self-comparison always evaluates to false}} return vec <= vec; // expected-warning{{self-comparison always evaluates to true}} return vec > vec; // expected-warning{{self-comparison always evaluates to false}} return vec >= vec; // expected-warning{{self-comparison always evaluates to true}} } typedef __attribute__(( ext_vector_type(4) )) float float4; static int4 test2(void) { float4 vec, rv; // comparisons to self. no warning, they're floats return vec == vec; // no-warning return vec != vec; // no-warning return vec < vec; // no-warning return vec <= vec; // no-warning return vec > vec; // no-warning return vec >= vec; // no-warning } static int4 test3(void) { int4 i0, i1; return i0 > i1 ? i0 : i1; // no-error return i0 ? i0 : i1; // no-error } static float4 test4(void) { float4 f0, f1; // This would actually generate implicit casting warning // under Weverything flag but we don't really care here return f0 > f1 ? f0 : f1; // no-error return f0 ? f0 : f1; // expected-error {{used type 'float4' (vector of 4 'float' values) where floating point type is not allowed}} }