Viewing file:  Warray-bounds-43.c (2.21 KB) -rw-r--r--
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/* Test to verify that --param ssa_name_def_chain_limit can be used to
limit the maximum number of SSA_NAME assignments the warning follows.
{ dg-do compile }
{ dg-options "-O2 -Wall --param ssa-name-def-chain-limit=4" } */
#define NOIPA __attribute__ ((noipa))
const char a9[] = "123456789";
void sink (const char*, ...);
NOIPA int g2 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
sink (p0, p1, p2);
return p2[8]; // { dg-warning "\\\[-Warray-bounds]" }
}
NOIPA int g3 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
sink (p0, p1, p2, p3);
return p3[7]; // { dg-warning "\\\[-Warray-bounds]" }
}
NOIPA int g4 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
const char *p4 = p3 + i;
sink (p0, p1, p2, p3, p4);
return p4[6]; // { dg-warning "\\\[-Warray-bounds]" }
}
NOIPA int g5 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
const char *p4 = p3 + i;
const char *p5 = p4 + i;
sink (p0, p1, p2, p3, p4, p5);
return p5[5];
}
NOIPA int g6 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
const char *p4 = p3 + i;
const char *p5 = p4 + i;
const char *p6 = p5 + i;
sink (p0, p1, p2, p3, p4, p5, p6);
return p6[4];
}
NOIPA int g7 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
const char *p4 = p3 + i;
const char *p5 = p4 + i;
const char *p6 = p5 + i;
const char *p7 = p6 + i;
sink (p0, p1, p2, p3, p4, p5, p6, p7);
return p7[3];
}
NOIPA int g8 (int i)
{
if (i < 1) i = 1;
const char *p0 = a9;
const char *p1 = p0 + i;
const char *p2 = p1 + i;
const char *p3 = p2 + i;
const char *p4 = p3 + i;
const char *p5 = p4 + i;
const char *p6 = p5 + i;
const char *p7 = p6 + i;
const char *p8 = p7 + i;
sink (p0, p1, p2, p3, p4, p5, p6, p7, p8);
return p8[2];
}
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