File: ext_vector_comparisons.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (30 lines) | stat: -rw-r--r-- 1,107 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
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
}