diff options
Diffstat (limited to 'toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch')
-rw-r--r-- | toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch b/toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch new file mode 100644 index 0000000000..9c2fe23507 --- /dev/null +++ b/toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch @@ -0,0 +1,38 @@ +From f36b864c7d84b36883c6190c83b31c0a8c15172b Mon Sep 17 00:00:00 2001 +From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Fri, 3 May 2019 11:22:33 +0000 +Subject: [PATCH] 2019-05-03 Richard Biener <rguenther@suse.de> + + PR tree-optimization/90316 + * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries + before running VN. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@270849 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + gcc/ChangeLog | 6 ++++++ + gcc/tree-ssa-pre.c | 1 + + 2 files changed, 7 insertions(+) + +--- a/gcc/ChangeLog ++++ b/gcc/ChangeLog +@@ -1,3 +1,9 @@ ++2019-05-03 Richard Biener <rguenther@suse.de> ++ ++ PR tree-optimization/90316 ++ * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries ++ before running VN. ++ + 2019-05-03 Release Manager + + * GCC 9.1.0 released. +--- a/gcc/tree-ssa-pre.c ++++ b/gcc/tree-ssa-pre.c +@@ -4197,6 +4197,7 @@ pass_pre::execute (function *fun) + loop_optimizer_init (LOOPS_NORMAL); + split_critical_edges (); + scev_initialize (); ++ calculate_dominance_info (CDI_DOMINATORS); + + run_rpo_vn (VN_WALK); + |