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| author | Martin Liska <mliska@suse.cz> | 2020-12-01 12:18:46 +0100 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2020-12-02 08:18:18 +0100 |
| commit | c961e94901eb793b1a18d431a1acf7f682eaf04f (patch) | |
| tree | c29fc24b169c2851cc98e6dab952e02a116fd681 /gcc/expr.c | |
| parent | e4c02ce4ab6fce1148f4025360096f18764deadf (diff) | |
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if-to-switch: Support chain with 2 BBs.
As seen in the test-case, even 2 BBs can handle interesting
cases covered by a jump table or a bit-test.
gcc/ChangeLog:
PR tree-optimization/88702
* gimple-if-to-switch.cc (pass_if_to_switch::execute):
Require at least 2 BBs.
* gimple-if-to-switch.cc (find_conditions): Require
equal precision for low and high of a range.
gcc/testsuite/ChangeLog:
PR tree-optimization/88702
* gcc.dg/tree-ssa/if-to-switch-9.c: New test.
Diffstat (limited to 'gcc/expr.c')
0 files changed, 0 insertions, 0 deletions