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re PR tree-optimization/46233 (ICE: verify_flow_info failed: control flow in the middle of basic block 3 with -foptimize-sibling-calls)

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PR tree-optimization/46233
	* ipa-pure-const.c (local_pure_const): Do noreturn discovery
	after calling analyze_function, not before.

	* gcc.dg/pr46233.c: New test.

From-SVN: r166324
This commit is contained in:
Jakub Jelinek 2010-11-04 19:45:06 +01:00 committed by Jakub Jelinek
parent 86710a8bf2
commit 269c80f2a6
4 changed files with 23 additions and 2 deletions
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4
gcc/ChangeLog
View File

@ -1,5 +1,9 @@
2010-11-04 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46233
* ipa-pure-const.c (local_pure_const): Do noreturn discovery
after calling analyze_function, not before.
PR target/46234
* config/rs6000/rs6000.c (rs6000_va_start): Use build_simple_mem_ref
instead of build_va_arg_indirect_ref.

5
gcc/ipa-pure-const.c
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@ -1571,7 +1571,9 @@ local_pure_const (void)
&& skip)
return 0;
/* First do NORETURN discovery. */
l = analyze_function (node, false);
/* Do NORETURN discovery. */
if (!skip && !TREE_THIS_VOLATILE (current_function_decl)
&& EDGE_COUNT (EXIT_BLOCK_PTR->preds) == 0)
{
@ -1587,7 +1589,6 @@ local_pure_const (void)
changed = true;
}
l = analyze_function (node, false);
switch (l->pure_const_state)
{

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2010-11-04 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/46233
* gcc.dg/pr46233.c: New test.
2010-11-04 Iain Sandoe <iains@gcc.gnu.org>
* objc.dg/property/property-2.m: Deleted.

11
gcc/testsuite/gcc.dg/pr46233.c Normal file
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@ -0,0 +1,11 @@
/* PR tree-optimization/46233 */
/* { dg-do compile } */
/* { dg-options "-O -fno-tree-dce" } */
int
foo ()
{
int i = 0;
while (1)
i += foo ();
}