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Make coverage_compute_cfg_checksum callable with arg.

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* coverage.h (coverage_compute_cfg_checksum): Argument added.
	* coverage.c (coverage_compute_cfg_checksum): Likewise.
	* profile.c (branch_prob): Likewise.

From-SVN: r211217
This commit is contained in:
Martin Liska 2014-06-04 11:31:25 +02:00 • committed by Martin Liska
parent 7d2268ead3
commit a96bf0d3ce
4 changed files with 13 additions and 7 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-06-04 Martin Liska <mliska@suse.cz>
* coverage.h (coverage_compute_cfg_checksum): Argument added.
* coverage.c (coverage_compute_cfg_checksum): Likewise.
* profile.c (branch_prob): Likewise.
2014-06-04 Martin Jambor <mjambor@suse.cz>
PR ipa/61340

8
gcc/coverage.c
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@ -583,7 +583,7 @@ coverage_compute_profile_id (struct cgraph_node *n)
return chksum & 0x7fffffff;
}
/* Compute cfg checksum for the current function.
/* Compute cfg checksum for the function FN given as argument.
The checksum is calculated carefully so that
source code changes that doesn't affect the control flow graph
won't change the checksum.
@ -594,12 +594,12 @@ coverage_compute_profile_id (struct cgraph_node *n)
but the compiler won't detect the change and use the wrong profile data. */
unsigned
coverage_compute_cfg_checksum (void)
coverage_compute_cfg_checksum (struct function *fn)
{
basic_block bb;
unsigned chksum = n_basic_blocks_for_fn (cfun);
unsigned chksum = n_basic_blocks_for_fn (fn);
FOR_EACH_BB_FN (bb, cfun)
FOR_EACH_BB_FN (bb, fn)
{
edge e;
edge_iterator ei;

4
gcc/coverage.h
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@ -32,8 +32,8 @@ extern int coverage_begin_function (unsigned, unsigned);
/* Complete the coverage information for the current function. */
extern void coverage_end_function (unsigned, unsigned);
/* Compute the control flow checksum for the current function. */
extern unsigned coverage_compute_cfg_checksum (void);
/* Compute the control flow checksum for the function FN given as argument. */
extern unsigned coverage_compute_cfg_checksum (struct function *fn);
/* Compute the profile id of function N. */
extern unsigned coverage_compute_profile_id (struct cgraph_node *n);

2
gcc/profile.c
View file

@ -1195,7 +1195,7 @@ branch_prob (void)
the checksum in only once place, since it depends on the shape
of the control flow which can change during
various transformations. */
cfg_checksum = coverage_compute_cfg_checksum ();
cfg_checksum = coverage_compute_cfg_checksum (cfun);
lineno_checksum = coverage_compute_lineno_checksum ();
/* Write the data from which gcov can reconstruct the basic block