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branch	1.1.1;
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locks; strict;
comment	@// @;


1.1
date	2013.11.28.14.14.56;	author joerg;	state Exp;
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1.1.1.1.4.1
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1.1.1.1.4.2
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1.1.1.1.8.1
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1.1.1.1.8.2
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1.1.1.1.30.1
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desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -verify -Wno-string-plus-int -Warray-bounds-pointer-arithmetic %s

void swallow (const char *x) { (void)x; }
void test_pointer_arithmetic(int n) {
  const char hello[] = "Hello world!"; // expected-note 2 {{declared here}}
  const char *helloptr = hello;

  swallow("Hello world!" + 6); // no-warning
  swallow("Hello world!" - 6); // expected-warning {{refers before the beginning of the array}}
  swallow("Hello world!" + 14); // expected-warning {{refers past the end of the array}}
  swallow("Hello world!" + 13); // no-warning

  swallow(hello + 6); // no-warning
  swallow(hello - 6); // expected-warning {{refers before the beginning of the array}}
  swallow(hello + 14); // expected-warning {{refers past the end of the array}}
  swallow(hello + 13); // no-warning

  swallow(helloptr + 6); // no-warning
  swallow(helloptr - 6); // no-warning
  swallow(helloptr + 14); // no-warning
  swallow(helloptr + 13); // no-warning

  double numbers[2]; // expected-note {{declared here}}
  swallow((char*)numbers + sizeof(double)); // no-warning
  swallow((char*)numbers + 60); // expected-warning {{refers past the end of the array}}

  char buffer[5]; // expected-note 2 {{declared here}}
  // TODO: Add FixIt notes for adding parens around non-ptr part of arith expr
  swallow(buffer + sizeof("Hello")-1); // expected-warning {{refers past the end of the array}}
  swallow(buffer + (sizeof("Hello")-1)); // no-warning
  if (n > 0 && n <= 6) swallow(buffer + 6 - n); // expected-warning {{refers past the end of the array}}
  if (n > 0 && n <= 6) swallow(buffer + (6 - n)); // no-warning
}
@


1.1.1.1
log
@Import Clang 3.4rc1 r195771.
@
text
@@


1.1.1.1.30.1
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.2
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.8.1
log
@file array-bounds-ptr-arith.cpp was added on branch tls-maxphys on 2014-08-19 23:49:17 +0000
@
text
@d1 33
@


1.1.1.1.8.2
log
@Rebase to HEAD as of a few days ago.
@
text
@a0 33
// RUN: %clang_cc1 -verify -Wno-string-plus-int -Warray-bounds-pointer-arithmetic %s

void swallow (const char *x) { (void)x; }
void test_pointer_arithmetic(int n) {
  const char hello[] = "Hello world!"; // expected-note 2 {{declared here}}
  const char *helloptr = hello;

  swallow("Hello world!" + 6); // no-warning
  swallow("Hello world!" - 6); // expected-warning {{refers before the beginning of the array}}
  swallow("Hello world!" + 14); // expected-warning {{refers past the end of the array}}
  swallow("Hello world!" + 13); // no-warning

  swallow(hello + 6); // no-warning
  swallow(hello - 6); // expected-warning {{refers before the beginning of the array}}
  swallow(hello + 14); // expected-warning {{refers past the end of the array}}
  swallow(hello + 13); // no-warning

  swallow(helloptr + 6); // no-warning
  swallow(helloptr - 6); // no-warning
  swallow(helloptr + 14); // no-warning
  swallow(helloptr + 13); // no-warning

  double numbers[2]; // expected-note {{declared here}}
  swallow((char*)numbers + sizeof(double)); // no-warning
  swallow((char*)numbers + 60); // expected-warning {{refers past the end of the array}}

  char buffer[5]; // expected-note 2 {{declared here}}
  // TODO: Add FixIt notes for adding parens around non-ptr part of arith expr
  swallow(buffer + sizeof("Hello")-1); // expected-warning {{refers past the end of the array}}
  swallow(buffer + (sizeof("Hello")-1)); // no-warning
  if (n > 0 && n <= 6) swallow(buffer + 6 - n); // expected-warning {{refers past the end of the array}}
  if (n > 0 && n <= 6) swallow(buffer + (6 - n)); // no-warning
}
@


1.1.1.1.4.1
log
@file array-bounds-ptr-arith.cpp was added on branch yamt-pagecache on 2014-05-22 16:19:39 +0000
@
text
@d1 33
@


1.1.1.1.4.2
log
@sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")
@
text
@a0 33
// RUN: %clang_cc1 -verify -Wno-string-plus-int -Warray-bounds-pointer-arithmetic %s

void swallow (const char *x) { (void)x; }
void test_pointer_arithmetic(int n) {
  const char hello[] = "Hello world!"; // expected-note 2 {{declared here}}
  const char *helloptr = hello;

  swallow("Hello world!" + 6); // no-warning
  swallow("Hello world!" - 6); // expected-warning {{refers before the beginning of the array}}
  swallow("Hello world!" + 14); // expected-warning {{refers past the end of the array}}
  swallow("Hello world!" + 13); // no-warning

  swallow(hello + 6); // no-warning
  swallow(hello - 6); // expected-warning {{refers before the beginning of the array}}
  swallow(hello + 14); // expected-warning {{refers past the end of the array}}
  swallow(hello + 13); // no-warning

  swallow(helloptr + 6); // no-warning
  swallow(helloptr - 6); // no-warning
  swallow(helloptr + 14); // no-warning
  swallow(helloptr + 13); // no-warning

  double numbers[2]; // expected-note {{declared here}}
  swallow((char*)numbers + sizeof(double)); // no-warning
  swallow((char*)numbers + 60); // expected-warning {{refers past the end of the array}}

  char buffer[5]; // expected-note 2 {{declared here}}
  // TODO: Add FixIt notes for adding parens around non-ptr part of arith expr
  swallow(buffer + sizeof("Hello")-1); // expected-warning {{refers past the end of the array}}
  swallow(buffer + (sizeof("Hello")-1)); // no-warning
  if (n > 0 && n <= 6) swallow(buffer + 6 - n); // expected-warning {{refers past the end of the array}}
  if (n > 0 && n <= 6) swallow(buffer + (6 - n)); // no-warning
}
@