PR tree-optimization/57322
* (build_and_add_sum): If a BB is empty, set the UID of the statement
added to the BB to be 1.
testsuite/ChangeLog:
2013-05-21 Easwaran Raman <eraman@google.com>
PR tree-optimization/57322
* gcc.dg/tree-ssa/reassoc-29.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199165
138bc75d-0d04-0410-961f-
82ee72b054a4
+2013-05-21 Easwaran Raman <eraman@google.com>
+
+ PR tree-optimization/57322
+ * (build_and_add_sum): If a BB is empty, set the UID of the statement
+ added to the BB to be 1.
+
2013-05-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/57331
* config/sh/sh.md (fmasf4): Remove empty constraints strings.
(*fmasf4, *fmasf4_media): New insns.
+>>>>>>> .r199151
2013-05-19 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.h (BASE_INSN_LENGTH, NOP_INSN_LENGTH): New macros.
+2013-05-21 Easwaran Raman <eraman@google.com>
+
+ PR tree-optimization/57322
+ * gcc.dg/tree-ssa/reassoc-29.c: New testcase.
+
2013-05-21 Graham Stott <graham.stott@btinternet.com>
* lib/scanasm.exp (dg-function-on-line): Make MIPS targets match
PR c++/57175
* g++.dg/pr57175.C: New testcase.
-2013-05-17 Easwaran Raman <eraman@google.com>
+2013-05-17 Easwaran Raman <eraman@google.com>
* gcc.dg/tree-ssa/reassoc-28.c: New testcase.
--- /dev/null
+/* PR tree-optimization/57322 */
+/* { dg-do compile } */
+/* { dg-options "-w -O1" } */
+int a;
+
+void f (void)
+{
+ char b;
+
+ for (;; a++)
+ {
+ char *p = &b, *q;
+ *q = b < 0 & !!*p;
+ }
+}
if ((!op1def || gimple_nop_p (op1def))
&& (!op2def || gimple_nop_p (op2def)))
{
+ gimple first_stmt;
+ unsigned uid;
gsi = gsi_after_labels (single_succ (ENTRY_BLOCK_PTR));
- gimple_set_uid (sum, gimple_uid (gsi_stmt (gsi)));
+ first_stmt = gsi_stmt (gsi);
+ uid = first_stmt ? gimple_uid (first_stmt) : 1;
+ gimple_set_uid (sum, uid);
gsi_insert_before (&gsi, sum, GSI_NEW_STMT);
}
else if ((!op1def || gimple_nop_p (op1def))