This fixes an anonymous SSA name issue.
Bootstrapped and tested on x86_64-unknonw-linux-gnu, applied.
Richard.
2013-05-06 Richard Biener <rguent...@suse.de>
PR tree-optimization/57185
* tree-parloops.c (add_field_for_reduction): Handle anonymous
SSA names properly.
* gcc.dg/autopar/pr57185.c: New testcase.
Index: gcc/tree-parloops.c
===================================================================
*** gcc/tree-parloops.c (revision 198625)
--- gcc/tree-parloops.c (working copy)
*************** add_field_for_reduction (reduction_info
*** 964,972 ****
{
struct reduction_info *const red = *slot;
! tree var = SSA_NAME_VAR (gimple_assign_lhs (red->reduc_stmt));
! tree field = build_decl (gimple_location (red->reduc_stmt),
! FIELD_DECL, DECL_NAME (var), TREE_TYPE (var));
insert_field_into_struct (type, field);
--- 964,972 ----
{
struct reduction_info *const red = *slot;
! tree var = gimple_assign_lhs (red->reduc_stmt);
! tree field = build_decl (gimple_location (red->reduc_stmt), FIELD_DECL,
! SSA_NAME_IDENTIFIER (var), TREE_TYPE (var));
insert_field_into_struct (type, field);
Index: gcc/testsuite/gcc.dg/autopar/pr57185.c
===================================================================
*** gcc/testsuite/gcc.dg/autopar/pr57185.c (revision 0)
--- gcc/testsuite/gcc.dg/autopar/pr57185.c (working copy)
***************
*** 0 ****
--- 1,29 ----
+ /* { dg-do compile } */
+ /* { dg-options "-O3 -ftree-parallelize-loops=2 -fipa-pta" } */
+
+ int a, b;
+ int *d;
+ void f(void)
+ {
+ int c;
+ b %= 1;
+
+ if(1 - (b < 1))
+ {
+ int *q = 0;
+
+ if(a)
+ {
+ c = 0;
+ lbl:
+ for(*d; *d; ++*d)
+ if(c ? : a ? : (c = 1) ? : 0)
+ *q &= 1;
+ return;
+ }
+
+ q = (int *)1;
+ }
+ goto lbl;
+ }
+
