Files
wasmtime/cranelift/filetests/filetests/isa/x86/legalize-isplit-backwards.clif
Ryan Hunt 832666c45e Mass rename Ebb and relatives to Block (#1365)
* Manually rename BasicBlock to BlockPredecessor

BasicBlock is a pair of (Ebb, Inst) that is used to represent the
basic block subcomponent of an Ebb that is a predecessor to an Ebb.

Eventually we will be able to remove this struct, but for now it
makes sense to give it a non-conflicting name so that we can start
to transition Ebb to represent a basic block.

I have not updated any comments that refer to BasicBlock, as
eventually we will remove BlockPredecessor and replace with Block,
which is a basic block, so the comments will become correct.

* Manually rename SSABuilder block types to avoid conflict

SSABuilder has its own Block and BlockData types. These along with
associated identifier will cause conflicts in a later commit, so
they are renamed to be more verbose here.

* Automatically rename 'Ebb' to 'Block' in *.rs

* Automatically rename 'EBB' to 'block' in *.rs

* Automatically rename 'ebb' to 'block' in *.rs

* Automatically rename 'extended basic block' to 'basic block' in *.rs

* Automatically rename 'an basic block' to 'a basic block' in *.rs

* Manually update comment for `Block`

`Block`'s wikipedia article required an update.

* Automatically rename 'an `Block`' to 'a `Block`' in *.rs

* Automatically rename 'extended_basic_block' to 'basic_block' in *.rs

* Automatically rename 'ebb' to 'block' in *.clif

* Manually rename clif constant that contains 'ebb' as substring to avoid conflict

* Automatically rename filecheck uses of 'EBB' to 'BB'

'regex: EBB' -> 'regex: BB'
'$EBB' -> '$BB'

* Automatically rename 'EBB' 'Ebb' to 'block' in *.clif

* Automatically rename 'an block' to 'a block' in *.clif

* Fix broken testcase when function name length increases

Test function names are limited to 16 characters. This causes
the new longer name to be truncated and fail a filecheck test. An
outdated comment was also fixed.
2020-02-07 10:46:47 -06:00

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test compile
target x86_64
function u0:0(i128) -> i64, i64 fast {
; check: block0(v4: i64 [%rdi], v5: i64 [%rsi], v8: i64 [%rbp]):
block0(v0: i128):
jump block2
block1:
; When this `isplit` is legalized, the bnot below is not yet legalized,
; so there isn't a corresponding `iconcat` yet. We should try legalization
; for this `isplit` again once all instrucions have been legalized.
v2, v3 = isplit.i128 v1
; return v6, v7
return v2, v3
block2:
; check: v6 = bnot.i64 v4
; check: v2 -> v6
; check: v7 = bnot.i64 v5
; check: v3 -> v7
v1 = bnot.i128 v0
jump block1
}