File: conversion-implicit-int-includes-64-to-32.c

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (21 lines) | stat: -rw-r--r-- 642 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %clang_cc1 -fsyntax-only -verify -Wimplicit-int-conversion -triple x86_64-apple-darwin %s

int test0(long v) {
  return v; // expected-warning {{implicit conversion loses integer precision}}
}

typedef int  int4  __attribute__ ((vector_size(16)));
typedef long long long2 __attribute__((__vector_size__(16)));

int4 test1(long2 a) {
  int4  v127 = a;  // no warning.
  return v127;
}

int test2(long v) {
  return v / 2; // expected-warning {{implicit conversion loses integer precision: 'long' to 'int'}}
}

char test3(short s) {
  return s * 2; // expected-warning {{implicit conversion loses integer precision: 'int' to 'char'}}
}