[google] cprop pass's gate function cleanup (issue4572055)

Submitted by Xinliang David Li on June 9, 2011, 8:28 p.m.

Details

Message ID 20110609202847.D1B7C20C79@syzygy.mtv.corp.google.com
State New
Headers show

Commit Message

Xinliang David Li June 9, 2011, 8:28 p.m.
The patch fixed the breakage due to the r174848 backport to google/main --
the gate function for cprop is in a different file from trunk.

2011-06-09  David Li  <davidxl@google.com>

	* gcse.c (gate_rtl_cprop): Gate cleanup
	(execute_rtl_cprop): Gate cleanup


--
This patch is available for review at http://codereview.appspot.com/4572055

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Index: gcse.c
===================================================================
--- gcse.c	(revision 174852)
+++ gcse.c	(working copy)
@@ -5309,15 +5309,17 @@  one_cprop_pass (void)
 static bool
 gate_rtl_cprop (void)
 {
-  return optimize > 0 && flag_gcse
-    && !cfun->calls_setjmp
-    && dbg_cnt (cprop);
+  return optimize > 0 && flag_gcse;
 }
 
 static unsigned int
 execute_rtl_cprop (void)
 {
   int changed;
+  if (cfun->calls_setjmp
+      || !dbg_cnt (cprop))
+    return 0;
+
   delete_unreachable_blocks ();
   df_set_flags (DF_LR_RUN_DCE);
   df_analyze ();