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| author | Richard Henderson <rth@redhat.com> | 2009-12-07 14:42:10 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2009-12-07 14:42:10 -0800 |
| commit | 74e12783a3dbd31f56a44678ad9af5a14f0bbf1a (patch) | |
| tree | ef92971896306579f7a3026e1bfb42c3c9d31d32 /gcc/tree-ssa.c | |
| parent | aec4e50c21eced5ee903b7350b71170fa58262e4 (diff) | |
| download | gcc-74e12783a3dbd31f56a44678ad9af5a14f0bbf1a.zip gcc-74e12783a3dbd31f56a44678ad9af5a14f0bbf1a.tar.gz gcc-74e12783a3dbd31f56a44678ad9af5a14f0bbf1a.tar.bz2 | |
re PR debug/42299 (another verify_ssa failure with -g -O2)
PR debug/42299
PR debug/42166
* tree-ssa.c (insert_debug_temp_for_var_def): Skip propagation
for ssa names already registered for update.
From-SVN: r155063
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index b5d60b3..9947e57 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -312,9 +312,13 @@ insert_debug_temp_for_var_def (gimple_stmt_iterator *gsi, tree var) if (!MAY_HAVE_DEBUG_STMTS) return; - /* First of all, check whether there are debug stmts that reference - this variable and, if there are, decide whether we should use a - debug temp. */ + /* If this name has already been registered for replacement, do nothing + as anything that uses this name isn't in SSA form. */ + if (name_registered_for_update_p (var)) + return; + + /* Check whether there are debug stmts that reference this variable and, + if there are, decide whether we should use a debug temp. */ FOR_EACH_IMM_USE_FAST (use_p, imm_iter, var) { stmt = USE_STMT (use_p); |