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| author | Richard Biener <rguenther@suse.de> | 2022-05-11 13:34:37 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-05-11 14:34:30 +0200 |
| commit | 37a8220fa9188470c677abfef50c1b120c0b6c76 (patch) | |
| tree | ff09f026cd21161c7ae90ad9c00b88fe6c0c47c4 /gcc/cfgrtl.cc | |
| parent | 7f04b0d786e13ff5c1bd952a24fd324224415c9a (diff) | |
| download | gcc-37a8220fa9188470c677abfef50c1b120c0b6c76.zip gcc-37a8220fa9188470c677abfef50c1b120c0b6c76.tar.gz gcc-37a8220fa9188470c677abfef50c1b120c0b6c76.tar.bz2 | |
rtl-optimization/105559 - avoid quadratic behavior in delete_insn_and_edges
When the insn to delete is a debug insn there's no point in figuring
out whether it might be the last real insn and thus we have to purge
dead edges.
2022-05-11 Richard Biener <rguenther@suse.de>
PR rtl-optimization/105559
* cfgrtl.cc (delete_insn_and_edges): Only perform search to BB_END
for non-debug insns.
Diffstat (limited to 'gcc/cfgrtl.cc')
| -rw-r--r-- | gcc/cfgrtl.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/cfgrtl.cc b/gcc/cfgrtl.cc index 74ea14e..06be46d 100644 --- a/gcc/cfgrtl.cc +++ b/gcc/cfgrtl.cc @@ -235,7 +235,7 @@ delete_insn_and_edges (rtx_insn *insn) { bool purge = false; - if (INSN_P (insn) && BLOCK_FOR_INSN (insn)) + if (NONDEBUG_INSN_P (insn) && BLOCK_FOR_INSN (insn)) { basic_block bb = BLOCK_FOR_INSN (insn); if (BB_END (bb) == insn) |