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| author | Björn Gustavsson <[email protected]> | 2011-04-12 05:44:27 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2011-04-12 05:54:46 +0200 |
| commit | df96e44eb23abdb696eb79ecc92ce4f8bbb534a1 (patch) | |
| tree | 91fea9db4d780f2418a9664a14eea44d1261a2eb | |
| parent | 981acf6eaa48adffb27b2e812db8bcd180121f4e (diff) | |
| download | otp-df96e44eb23abdb696eb79ecc92ce4f8bbb534a1.tar.gz otp-df96e44eb23abdb696eb79ecc92ce4f8bbb534a1.tar.bz2 otp-df96e44eb23abdb696eb79ecc92ce4f8bbb534a1.zip | |
beam_dead: Remove uncovered special case handling of empty blocks
There is never any empty blocks when beam_dead is invoked.
Even if there were, they will be removed a little bit later in
forward/4.
| -rw-r--r-- | lib/compiler/src/beam_dead.erl | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/compiler/src/beam_dead.erl b/lib/compiler/src/beam_dead.erl index 73f45452fa..8e96569414 100644 --- a/lib/compiler/src/beam_dead.erl +++ b/lib/compiler/src/beam_dead.erl @@ -162,14 +162,11 @@ function({function,Name,Arity,CLabel,Is0}, Lc0) -> %% We must split the basic block when we encounter instructions with labels, %% such as catches and BIFs. All labels must be visible outside the blocks. -%% Also remove empty blocks. split_blocks({function,Name,Arity,CLabel,Is0}) -> Is = split_blocks(Is0, []), {function,Name,Arity,CLabel,Is}. -split_blocks([{block,[]}|Is], Acc) -> - split_blocks(Is, Acc); split_blocks([{block,Bl}|Is], Acc0) -> Acc = split_block(Bl, [], Acc0), split_blocks(Is, Acc); |