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Diffstat (limited to 'gcc/tree-ssa-coalesce.c')
| -rw-r--r-- | gcc/tree-ssa-coalesce.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-ssa-coalesce.c b/gcc/tree-ssa-coalesce.c index 86276b3..9a1ac67 100644 --- a/gcc/tree-ssa-coalesce.c +++ b/gcc/tree-ssa-coalesce.c @@ -1289,9 +1289,12 @@ coalesce_ssa_name (void) _require_ that all the names originating from it be coalesced, because there must be a single partition containing all the names so that it can be assigned - the canonical RTL location of the DECL safely. */ + the canonical RTL location of the DECL safely. + If in_lto_p, a function could have been compiled + originally with optimizations and only the link + performed at -O0, so we can't actually require it. */ const int cost - = TREE_CODE (SSA_NAME_VAR (a)) == VAR_DECL + = (TREE_CODE (SSA_NAME_VAR (a)) == VAR_DECL || in_lto_p) ? MUST_COALESCE_COST - 1 : MUST_COALESCE_COST; add_coalesce (cl, SSA_NAME_VERSION (a), SSA_NAME_VERSION (*slot), cost); |