From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Sema/ext_vector_comparisons.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 clang/test/Sema/ext_vector_comparisons.c (limited to 'clang/test/Sema/ext_vector_comparisons.c') diff --git a/clang/test/Sema/ext_vector_comparisons.c b/clang/test/Sema/ext_vector_comparisons.c new file mode 100644 index 0000000..605ba6c --- /dev/null +++ b/clang/test/Sema/ext_vector_comparisons.c @@ -0,0 +1,30 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -Wno-unreachable-code %s + +typedef __attribute__(( ext_vector_type(4) )) int int4; + +static int4 test1() { + int4 vec, rv; + + // comparisons to self... + return vec == vec; // expected-warning{{self-comparison always evaluates to a constant}} + return vec != vec; // expected-warning{{self-comparison always evaluates to a constant}} + return vec < vec; // expected-warning{{self-comparison always evaluates to a constant}} + return vec <= vec; // expected-warning{{self-comparison always evaluates to a constant}} + return vec > vec; // expected-warning{{self-comparison always evaluates to a constant}} + return vec >= vec; // expected-warning{{self-comparison always evaluates to a constant}} +} + + +typedef __attribute__(( ext_vector_type(4) )) float float4; + +static int4 test2() { + 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 +} -- cgit v1.2.3