diff options
| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-05 15:35:13 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-05 15:35:13 +0000 |
| commit | f63d3ecc34e8b969b3c940f14e725815c1ef3215 (patch) | |
| tree | 12a9da39bc6bfc83111af358d8b58d60dbbd2f22 /gcc/tree-ssa-live.c | |
| parent | 454f25be4550106b133980287ac7da30d2767f92 (diff) | |
| download | gcc-f63d3ecc34e8b969b3c940f14e725815c1ef3215.tar.gz | |
PR middle-end/40340
* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
inlined_function_outer_scope_p blocks for artificial inlines
even at -g0/-g1.
* tree.c (tree_nonartificial_location): Rewrite using
block_nonartificial_location.
* gcc.dg/pr40340-1.c: New test.
* gcc.dg/pr40340-2.c: New test.
* gcc.dg/pr40340-3.c: New test.
* gcc.dg/pr40340-4.c: New test.
* gcc.dg/pr40340-5.c: New test.
* gcc.dg/pr40340.h: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@148212 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-live.c')
| -rw-r--r-- | gcc/tree-ssa-live.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index c7366ff95dc..a710c65d3b4 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -536,7 +536,25 @@ remove_unused_scope_block_p (tree scope) /* For terse debug info we can eliminate info on unused variables. */ else if (debug_info_level == DINFO_LEVEL_NONE || debug_info_level == DINFO_LEVEL_TERSE) - ; + { + /* Even for -g0/-g1 don't prune outer scopes from artificial + functions, otherwise diagnostics using tree_nonartificial_location + will not be emitted properly. */ + if (inlined_function_outer_scope_p (scope)) + { + tree ao = scope; + + while (ao + && TREE_CODE (ao) == BLOCK + && BLOCK_ABSTRACT_ORIGIN (ao) != ao) + ao = BLOCK_ABSTRACT_ORIGIN (ao); + if (ao + && TREE_CODE (ao) == FUNCTION_DECL + && DECL_DECLARED_INLINE_P (ao) + && lookup_attribute ("artificial", DECL_ATTRIBUTES (ao))) + unused = false; + } + } else if (BLOCK_VARS (scope) || BLOCK_NUM_NONLOCALIZED_VARS (scope)) unused = false; /* See if this block is important for representation of inlined function. |