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| author | Martin Jambor <mjambor@suse.cz> | 2012-08-31 16:05:45 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2012-08-31 16:05:45 +0200 |
| commit | 0336096575e3cf4dd0ac43d65097976631c609df (patch) | |
| tree | 602afe45f5e892491199bff66bc6cf3c3be7a5f6 /gcc | |
| parent | 48679f6e244fdfb273d669ff02095ef0ffe3265f (diff) | |
| download | gcc-0336096575e3cf4dd0ac43d65097976631c609df.zip gcc-0336096575e3cf4dd0ac43d65097976631c609df.tar.gz gcc-0336096575e3cf4dd0ac43d65097976631c609df.tar.bz2 | |
re PR middle-end/54409 (internal compiler error: in remap_predicate, at ipa-inline-analysis.c:2710)
2012-08-31 Martin Jambor <mjambor@suse.cz>
PR middle-end/54409
* ipa-inline-analysis.c (remap_predicate): Fix the offset_map
checking condition.
* gcc/testsuite/gcc.dg/torture/pr54409.c: New test.
From-SVN: r190833
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ipa-inline-analysis.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr54409.c | 28 |
4 files changed, 44 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1797ff6..4f55c42 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2012-08-31 Martin Jambor <mjambor@suse.cz> + PR middle-end/54409 + * ipa-inline-analysis.c (remap_predicate): Fix the offset_map + checking condition. + +2012-08-31 Martin Jambor <mjambor@suse.cz> + * ipa-inline-analysis.c (phi_result_unknown_predicate): New function. (predicate_for_phi_result): Likewise. (estimate_function_body_sizes): Use the above two functions. diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index 6da256a..5b31b6d 100644 --- a/gcc/ipa-inline-analysis.c +++ b/gcc/ipa-inline-analysis.c @@ -2811,8 +2811,11 @@ remap_predicate (struct inline_summary *info, if (!operand_map || (int)VEC_length (int, operand_map) <= c->operand_num || VEC_index (int, operand_map, c->operand_num) == -1 - || (!c->agg_contents - && VEC_index (int, offset_map, c->operand_num) != 0) + /* TODO: For non-aggregate conditions, adding an offset is + basically an arithmetic jump function processing which + we should support in future. */ + || ((!c->agg_contents || !c->by_ref) + && VEC_index (int, offset_map, c->operand_num) > 0) || (c->agg_contents && c->by_ref && VEC_index (int, offset_map, c->operand_num) < 0)) cond_predicate = true_predicate (); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 937ba1a..b8d48f8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-08-31 Martin Jambor <mjambor@suse.cz> + PR middle-end/54409 + * gcc.dg/torture/pr54409.c: New test. + +2012-08-31 Martin Jambor <mjambor@suse.cz> + * gfortran.dg/pr48636.f90: Add dump scan checks. 2012-08-29 Richard Sandiford <rdsandiford@googlemail.com> diff --git a/gcc/testsuite/gcc.dg/torture/pr54409.c b/gcc/testsuite/gcc.dg/torture/pr54409.c new file mode 100644 index 0000000..c759547 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr54409.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ + +int b; + +struct S +{ + char *p; + struct { + } s; + int a; +}; + +static _Bool +fn2 (int *p1) +{ + if (b) + { + struct S *c = (struct S *) &p1; + return c->a; + } +} + +_Bool +fn3 (struct S *p1) +{ + if (fn2 ((int *) &p1->s)) + return 0; +} |