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* [gcc r12-4420] Minor cleanups to backward threader.
@ 2021-10-14 21:38 Aldy Hernandez
0 siblings, 0 replies; only message in thread
From: Aldy Hernandez @ 2021-10-14 21:38 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d71e1be7c3a3e2058d1243e6a090e421c9fd7f85
commit r12-4420-gd71e1be7c3a3e2058d1243e6a090e421c9fd7f85
Author: Aldy Hernandez <aldyh@redhat.com>
Date: Thu Oct 14 16:14:34 2021 +0200
Minor cleanups to backward threader.
Tested on x86-64 Linux.
gcc/ChangeLog:
* tree-ssa-threadbackward.c (class back_threader): Make m_imports
an auto_bitmap.
(back_threader::~back_threader): Do not release m_path.
Diff:
---
gcc/tree-ssa-threadbackward.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/gcc/tree-ssa-threadbackward.c b/gcc/tree-ssa-threadbackward.c
index 496b68e0a82..1999ccf4834 100644
--- a/gcc/tree-ssa-threadbackward.c
+++ b/gcc/tree-ssa-threadbackward.c
@@ -105,7 +105,7 @@ private:
hash_set<basic_block> m_visited_bbs;
// The set of SSA names, any of which could potentially change the
// value of the final conditional in a path.
- bitmap m_imports;
+ auto_bitmap m_imports;
// The last statement in the path.
gimple *m_last_stmt;
// This is a bit of a wart. It's used to pass the LHS SSA name to
@@ -125,13 +125,10 @@ back_threader::back_threader (bool speed_p)
m_solver (m_ranger, /*resolve=*/false)
{
m_last_stmt = NULL;
- m_imports = BITMAP_ALLOC (NULL);
}
back_threader::~back_threader ()
{
- m_path.release ();
- BITMAP_FREE (m_imports);
}
// Register the current path for jump threading if it's profitable to
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