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author | Andrew MacLeod <amacleod@redhat.com> | 2023-02-01 11:46:18 -0500 |
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committer | Andrew MacLeod <amacleod@redhat.com> | 2023-02-03 14:42:46 -0500 |
commit | 093e2e1b201c0f324e0d8bfe6487aa2d470a13e7 (patch) | |
tree | 59daf97769e66402dfe7cbf4467c3e545cbf0864 /gcc/tree-vrp.cc | |
parent | 27ac6a707e7438c3cec79c24f5d53de79493e2f8 (diff) | |
download | gcc-093e2e1b201c0f324e0d8bfe6487aa2d470a13e7.zip gcc-093e2e1b201c0f324e0d8bfe6487aa2d470a13e7.tar.gz gcc-093e2e1b201c0f324e0d8bfe6487aa2d470a13e7.tar.bz2 |
Reset SCEV before removing unreachable globals.
SCEV should be reset in VRP before trying to remove unreachable globals
to avoid triggering issues with it's cache.
PR tree-optimization/107570
gcc/
* tree-vrp.cc (remove_and_update_globals): Reset SCEV.
gcc/testsuite/
* gcc.dg/pr107570.c: New.
Diffstat (limited to 'gcc/tree-vrp.cc')
-rw-r--r-- | gcc/tree-vrp.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-vrp.cc b/gcc/tree-vrp.cc index 3c43176..95547e5 100644 --- a/gcc/tree-vrp.cc +++ b/gcc/tree-vrp.cc @@ -121,6 +121,10 @@ remove_unreachable::remove_and_update_globals (bool final_p) if (m_list.length () == 0) return false; + // Ensure the cache in SCEV has been cleared before processing + // globals to be removed. + scev_reset (); + bool change = false; tree name; unsigned i; |