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/* Check if the gold function reordering plugin reorders split functions.
Check if foo is split and the cold section of foo is not next to its hot
section*/
/* { dg-require-section-exclude "" } */
/* { dg-require-linker-function-reordering-plugin "" } */
/* { dg-require-effective-target freorder } */
/* { dg-options "-O2 -freorder-functions=callgraph -ffunction-sections -freorder-blocks-and-partition --save-temps -Wl,-plugin-opt,file=linker.dump" } */
#define SIZE 10000
const char *sarr[SIZE];
const char *buf_hot;
const char *buf_cold;
__attribute__ ((noinline))
int bar (int *arg)
{
(*arg)++;
return 0;
}
__attribute__((noinline))
void
foo (int path)
{
int i;
bar (&path);
if (path)
{
for (i = 0; i < SIZE; i++)
sarr[i] = buf_hot;
}
else
{
for (i = 0; i < SIZE; i++)
sarr[i] = buf_cold;
}
}
int
main (int argc, char *argv[])
{
buf_hot = "hello";
buf_cold = "world";
foo (argc);
return 0;
}
/* { dg-final-use { scan-assembler "\.string \"ColdWeight 0\"" } } */
/* { dg-final-use { scan-assembler "\.section.*\.text\.hot\._Z3fooi" } } */
/* { dg-final-use { scan-assembler "\.section.*\.text\.unlikely\._Z3fooi" } } */
/* { dg-final-use { cleanup-saved-temps } } */
/* Check if foo and bar are together */
/* { dg-final-use { scan-file linker.dump "Callgraph group :.*\(_Z3fooi _Z3barPi|_Z3barPi _Z3fooi\).*\n" } } */
/* Check if foo and main are together */
/* { dg-final-use { scan-file linker.dump "Callgraph group :.*\(_Z3fooi main|main _Z3fooi\).*\n" } } */
/* { dg-final-use { scan-file linker.dump "\.text\.unlikely\._Z3fooi .* split = 1" } } */
/* Check if unlikely sections of foo and bar are together */
/* { dg-final-use { scan-file linker.dump "\(\.text\.unlikely\._Z3fooi\[^\n\]*\n\.text\.unlikely\._Z3barPi\[^\n\]*\n|\.text\.unlikely\._Z3barPi\[^\n\]*\n\.text\.unlikely\._Z3fooi\[^\n\]*\n\)" } } */
/* Check if likely sections of hot foo and bar are together */
/* { dg-final-use { scan-file linker.dump "\(\.text\._Z3barPi\[^\n\]*\n\.text\.hot\._Z3fooi|\.text\.hot\._Z3fooi\[^\n\]*\n\.text\._Z3barPi\)" } } */
/* { dg-final-use { remove-build-file "linker.dump" } } */
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