Commit Graph

4 Commits

Author SHA1 Message Date
Alan Donovan 79e0c7b71e go.tools/go/pointer: eliminate TODOs regarding sound treatment of unsafe.Pointer.
Ain't gonna happen.

Also, don't emit a warning when this happens.

LGTM=crawshaw
R=crawshaw
CC=golang-codereviews
https://golang.org/cl/110030044
2014-07-08 10:11:36 -04:00
Alan Donovan 9b38eafe60 go/pointer: implement pointer equivalence via hash-value numbering, a pre-solver optimization.
This reduces solver time by about 40%.
See hvn.go for detailed description.

Also in this CL:
- Update package docs.
- Added various global opt/debug options for maintainer convenience.
- Added logging of phase timing.
- Added stdlib_test, disabled by default, that runs the analysis
  on all tests in $GOROOT.
- include types when dumping solution

LGTM=crawshaw
R=crawshaw, dannyb
CC=golang-codereviews
https://golang.org/cl/96650048
2014-06-16 15:46:07 -04:00
Alan Donovan 74117bcfd8 go/pointer: use sparse bit vectors to represent points-to sets in solver.
This optimization reduces solve time (typically >90% of the
total) by about 78% when analysing real programs.  It also
makes the solver 100% deterministic since all iterations are
ordered.

Also:
- remove unnecessary nodeid parameter to solve() method.
- don't add a fieldInfo for singleton tuples (cosmetic fix).
- inline+simplify "worklist" type.
- replace "constraintset" type by a slice.

LGTM=crawshaw
R=crawshaw
CC=golang-codereviews
https://golang.org/cl/95240043
2014-06-11 13:12:15 -04:00
Alan Donovan 3fc0fc1310 go.tools: rename packages.
Was:		Now:
ssa		go/ssa
importer	go/loader
pointer		go/pointer

Next CL: call -> go/callgraph (requires more care)

R=gri, crawshaw
CC=golang-codereviews
https://golang.org/cl/52960043
2014-01-16 09:33:58 -05:00