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authorAlexander Monakov <amonakov@ispras.ru>2010-12-15 13:08:41 +0000
committerAlexander Monakov <amonakov@ispras.ru>2010-12-15 13:08:41 +0000
commit83fd10a8d76f70860023c52e2f0853d624fcd9f6 (patch)
tree488325a3428239da3b6c7029b84a92513a232674 /gcc/sel-sched-ir.c
parenta24731193ec586a32cdccde2f9dd2d7db73f55f3 (diff)
PR rtl-optimization/46649
* sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first basic block in the region. testsuite: * g++.dg/opt/pr46649.C: New. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@167854 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/sel-sched-ir.c')
-rw-r--r--gcc/sel-sched-ir.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c
index 468dfd7a3e6..43619d9dac4 100644
--- a/gcc/sel-sched-ir.c
+++ b/gcc/sel-sched-ir.c
@@ -3766,10 +3766,10 @@ tidy_control_flow (basic_block xbb, bool full_tidying)
void
purge_empty_blocks (void)
{
- /* Do not attempt to delete preheader. */
- int i = sel_is_loop_preheader_p (BASIC_BLOCK (BB_TO_BLOCK (0))) ? 1 : 0;
+ int i;
- while (i < current_nr_blocks)
+ /* Do not attempt to delete the first basic block in the region. */
+ for (i = 1; i < current_nr_blocks; )
{
basic_block b = BASIC_BLOCK (BB_TO_BLOCK (i));