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re PR tree-optimization/37432 (ICE in VN_INFO, at tree-ssa-sccvn.c:180)

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2008-09-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/37432
	* tree-inline.c (insert_init_stmt): Make sure to not
	insert invalid gimple stores.

	* gcc.c-torture/compile/pr37432.c: New testcase.

From-SVN: r140233
This commit is contained in:
Richard Guenther 2008-09-10 15:07:04 +00:00 committed by Richard Biener
parent b70e977531
commit bfb0b88634
4 changed files with 36 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-09-10 Richard Guenther <rguenther@suse.de>
PR middle-end/37432
* tree-inline.c (insert_init_stmt): Make sure to not
insert invalid gimple stores.
2008-09-10 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/37388

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-09-10 Richard Guenther <rguenther@suse.de>
PR middle-end/37432
* gcc.c-torture/compile/pr37432.c: New testcase.
2008-09-10 H.J. Lu <hongjiu.lu@intel.com>
PR target/37434:

9
gcc/testsuite/gcc.c-torture/compile/pr37432.c Normal file
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@ -0,0 +1,9 @@
static void print_wkb_byte(unsigned char val) {
print_wkb_bytes((unsigned char *)&val, 1, 1);
}
void InsertMultiPoint(int b) {
char a = 1;
if (b) a = 0;
print_wkb_byte(a);
}

16
gcc/tree-inline.c
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@ -1907,6 +1907,22 @@ insert_init_stmt (basic_block bb, gimple init_stmt)
{
gimple_stmt_iterator si = gsi_last_bb (bb);
/* We can end up with init statements that store to a non-register
from a rhs with a conversion. Handle that here by forcing the
rhs into a temporary. gimple_regimplify_operands is not
prepared to do this for us. */
if (!is_gimple_reg (gimple_assign_lhs (init_stmt))
&& is_gimple_reg_type (TREE_TYPE (gimple_assign_lhs (init_stmt)))
&& gimple_assign_rhs_class (init_stmt) == GIMPLE_UNARY_RHS)
{
tree rhs = build1 (gimple_assign_rhs_code (init_stmt),
gimple_expr_type (init_stmt),
gimple_assign_rhs1 (init_stmt));
rhs = force_gimple_operand_gsi (&si, rhs, true, NULL_TREE, false,
GSI_NEW_STMT);
gimple_assign_set_rhs_code (init_stmt, TREE_CODE (rhs));
gimple_assign_set_rhs1 (init_stmt, rhs);
}
gsi_insert_after (&si, init_stmt, GSI_NEW_STMT);
gimple_regimplify_operands (init_stmt, &si);
mark_symbols_for_renaming (init_stmt);