| commit | 1da16c1141ebf3948de69eaeb1148778bf0790a9 | |
| author | Richard Biener <rguenther@suse.de> | |
| Wed, 22 Mar 2023 13:13:02 +0000 (22 14:13 +0100) | ||
| committer | Richard Biener <rguenther@suse.de> | |
| Wed, 19 Apr 2023 13:40:06 +0000 (19 15:40 +0200) | ||
| tree | 9abb76d2a89acf3fbee3bcaa34e5c9436ca3174a | treesnapshot (tar.gz zip) |
| parent | 258aecd7021b15c23a067323c00f1450dca0a506 | commitdiff |
Remove odd code from gimple_can_merge_blocks_p
The following removes a special case to not merge a block with
only a non-local label. We have a restriction of non-local labels
to be the first statement (and label) in a block, but otherwise nothing,
if the last stmt of A is a non-local label then it will be still
the first statement of the combined A + B. In particular we'd
happily merge when there's a stmt after that label.
The check originates from the tree-ssa merge.
Bootstrapped and tested on x86_64-unknown-linux-gnu with all
languages.
* tree-cfg.cc (gimple_can_merge_blocks_p): Remove condition
rejecting the merge when A contains only a non-local label.
The following removes a special case to not merge a block with
only a non-local label. We have a restriction of non-local labels
to be the first statement (and label) in a block, but otherwise nothing,
if the last stmt of A is a non-local label then it will be still
the first statement of the combined A + B. In particular we'd
happily merge when there's a stmt after that label.
The check originates from the tree-ssa merge.
Bootstrapped and tested on x86_64-unknown-linux-gnu with all
languages.
* tree-cfg.cc (gimple_can_merge_blocks_p): Remove condition
rejecting the merge when A contains only a non-local label.
| gcc/tree-cfg.cc | diffblobblamehistory |