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Currently, for hidden closures, we always push them to compile queue
during typechecking. If the hidden closure is discarded from the outer
function body during deadcode, any desugaring phase after deadcode won't
be applied to the closure. Thus, some un-expected OPs are passed to
downstream passes, which they can't handle, the compiler goes boom!
To fix this, we keep track of discarded hidden closures during deadcode
pass, and won't compile them then.
Fixes #47712
Change-Id: I078717d5d1f4f2fa39cbaf610cfffbb042e70ceb
Reviewed-on: https://go-review.googlesource.com/c/go/+/342350
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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This CL splits out ORETJMP as a new TailCallStmt node, separate from
the other BranchStmt nodes. In doing so, this allows us to change it
from identifying a function by *types.Sym to identifying one by
directly pointing to the *ir.Func.
While here, also rename the operation to OTAILCALL.
Passes toolstash -cmp.
Change-Id: I273e6ea5d92bf3005ae02fb59b3240a190a6cf1b
Reviewed-on: https://go-review.googlesource.com/c/go/+/284227
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Just "=". It's cleaner.
Passes toolstash -cmp.
[git-generate]
cd src/cmd/compile/internal/ir
pkgs=$(go list . ../...)
rf '
ex '"$(echo $pkgs)"' {
var l Nodes
var p *Nodes
p.Set(l) -> *p = l
}
ex '"$(echo $pkgs)"' {
var n InitNode
var l Nodes
*n.PtrInit() = l -> n.SetInit(l)
}
rm Nodes.Set
'
Change-Id: Ic97219792243667146a02776553942ae1189ff7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/281002
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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This CL separates out PtrInit and SetInit into a new InitNode
extension interface, and adds a new TakeInit helper function for
taking and clearing the Init list (if any) from a Node.
This allows removing miniNode.SetInit and miniNode.PtrInit, which in
turn allow getting rid of immutableEmptyNodes, and will allow
simplification of the Nodes API.
It would be nice to get rid of the default Init method too, but
there's way more code that expects to be able to call that at the
moment, so that'll have to wait.
Passes toolstash -cmp.
Change-Id: Ia8c18fab9555b774376f7f43eeecfde4f07b5946
Reviewed-on: https://go-review.googlesource.com/c/go/+/281001
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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This commit splits up typecheck.Package and moves the code
elsewhere. The type-checking code is moved into noder, so that it can
eventually be interleaved with the noding process. The
non-type-checking code is moved back into package gc, so that it can
be incorporated into appropriate compiler backend phases.
While here, deadcode removal is moved into its own package.
Passes toolstash -cmp.
[git-generate]
cd src/cmd/compile/internal/typecheck
: Split into two functions.
sed -i -e '/Phase 6/i}\n\nfunc postTypecheck() {' typecheck.go
rf '
# Export needed identifiers.
mv deadcode Deadcode
mv loadsys InitRuntime
mv declareUniverse DeclareUniverse
mv dirtyAddrtaken DirtyAddrtaken
mv computeAddrtaken ComputeAddrtaken
mv incrementalAddrtaken IncrementalAddrtaken
# Move into new package.
mv Deadcode deadcodeslice deadcodeexpr deadcode.go
mv deadcode.go cmd/compile/internal/deadcode
# Move top-level type-checking code into noder.
# Move DeclVars there too, now that nothing else uses it.
mv DeclVars Package noder.go
mv noder.go cmd/compile/internal/noder
# Move non-type-checking code back into gc.
mv postTypecheck main.go
mv main.go cmd/compile/internal/gc
'
cd ../deadcode
rf '
# Destutter names.
mv Deadcode Func
mv deadcodeslice stmts
mv deadcodeexpr expr
'
cd ../noder
rf '
# Move functions up, next to their related code.
mv noder.go:/func Package/-1,$ \
noder.go:/makeSrcPosBase translates/-1
mv noder.go:/func DeclVars/-3,$ \
noder.go:/constState tracks/-1
'
cd ../gc
rf '
# Inline postTypecheck code back into gc.Main.
mv main.go:/func postTypecheck/+0,/AllImportedBodies/+1 \
main.go:/Build init task/-1
rm postTypecheck
'
Change-Id: Ie5e992ece4a42204cce6aa98dd6eb52112d098c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/280974
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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