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re PR middle-end/50907 (EDGE_CROSSING incorrectly set across same section with -freorder-blocks-and-partition -fPIC -fprofile-use)

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PR middle-end/50907
	* function.c (convert_jumps_to_returns): When redirecting an edge
	succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.

	* gcc.dg/tree-prof/pr50907.c: New test.

From-SVN: r181787
This commit is contained in:
Jakub Jelinek 2011-11-28 22:04:10 +01:00 • committed by Jakub Jelinek
parent 8c29866f7f
commit d3b623c7af
4 changed files with 13 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2011-11-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/50907
* function.c (convert_jumps_to_returns): When redirecting an edge
succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.
PR tree-optimization/50078
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.

1
gcc/function.c
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@ -5670,6 +5670,7 @@ convert_jumps_to_returns (basic_block last_bb, bool simple_p,
/* Fix up the CFG for the successful change we just made. */
redirect_edge_succ (e, EXIT_BLOCK_PTR);
e->flags &= ~EDGE_CROSSING;
}
VEC_free (basic_block, heap, src_bbs);
return unconverted;

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2011-11-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/50907
* gcc.dg/tree-prof/pr50907.c: New test.
PR tree-optimization/50078
* gcc.dg/pr50078.c: New test.

5
gcc/testsuite/gcc.dg/tree-prof/pr50907.c Normal file
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@ -0,0 +1,5 @@
/* PR middle-end/50907 */
/* { dg-require-effective-target freorder } */
/* { dg-options "-O -freorder-blocks-and-partition -fschedule-insns -fselective-scheduling -fpic" { target { { powerpc*-*-* ia64-*-* x86_64-*-* } && fpic } } } */
#include "pr45354.c"