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go/test
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Keith Randall 85cfa4d55e cmd/compile: handle degenerate write barrier case 
If both branches of a write barrier test go to the same block,
then there's no unsafe points.

This can only happen if the resulting memory state is somehow dead,
which can only occur in degenerate cases, like infinite loops. No
point in cleaning up the useless branch in these situations.

Fixes #26024.

Change-Id: I93a7df9fdf2fc94c6c4b1fe61180dc4fd4a0871f
Reviewed-on: https://go-review.googlesource.com/123655
Reviewed-by: David Chase <drchase@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-07-12 19:06:09 +00:00
..
alias3.dir
bench
chan
closure3.dir cmd/compile: fix panic-okay-to-inline change; adjust tests 2018-06-06 20:35:23 +00:00
codegen test/codegen: add more test cases for arm64 2018-07-10 15:41:15 +00:00
ddd2.dir
dwarf
fixedbugs cmd/compile: handle degenerate write barrier case 2018-07-12 19:06:09 +00:00
import2.dir
import4.dir
interface
intrinsic.dir
ken test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
linkname.dir
method4.dir
retjmp.dir
safe
stress
syntax
uintptrescapes.dir
64bit.go
235.go
alg.go
alias1.go
alias2.go
alias3.go
alias.go
align.go
append1.go cmd/compile: optimize append(x, make([]T, y)...) slice extension 2018-05-06 04:28:23 +00:00
append.go cmd/compile: optimize append(x, make([]T, y)...) slice extension 2018-05-06 04:28:23 +00:00
args.go
armimm.go
assign1.go
assign.go
atomicload.go
bigalg.go
bigmap.go
blank1.go
blank.go
bom.go
bombad.go
bounds.go test: gofmt bounds.go 2018-05-29 02:39:16 +00:00
chancap.go
chanlinear.go
char_lit1.go
char_lit.go
checkbce.go
clearfat.go
closedchan.go
closure1.go
closure2.go
closure3.go
closure.go
cmp6.go
cmp.go
cmplx.go
cmplxdivide1.go
cmplxdivide.c
cmplxdivide.go
complit1.go
complit.go
compos.go
const1.go
const2.go
const3.go
const4.go
const5.go
const6.go
const.go
convert1.go
convert2.go
convert3.go
convert.go
convlit1.go
convlit.go
convT2X.go
copy1.go
copy.go
crlf.go
ddd1.go
ddd2.go
ddd.go
decl.go
declbad.go
defer.go
deferfin.go
deferprint.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
deferprint.out
devirt.go
divide.go
divmod.go
empty.go
env.go
eof1.go
eof.go
errchk
escape2.go
escape2n.go
escape3.go
escape4.go cmd/compile: fix panic-okay-to-inline change; adjust tests 2018-06-06 20:35:23 +00:00
escape5.go
escape_array.go
escape_because.go
escape_calls.go
escape_closure.go
escape_field.go
escape_iface.go
escape_indir.go
escape_level.go
escape_map.go
escape_param.go
escape_slice.go
escape_struct_param1.go
escape_struct_param2.go
escape_struct_return.go
escape.go
fibo.go
finprofiled.go
float_lit2.go
float_lit3.go
float_lit.go
floatcmp.go
for.go
func1.go
func2.go
func3.go
func4.go
func5.go
func6.go
func7.go
func8.go
func.go
funcdup2.go
funcdup.go
gc1.go
gc2.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
gc.go
gcgort.go test: fast GC+concurrency+types verification 2018-05-08 21:15:48 +00:00
gcstring.go
goprint.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
goprint.out
goto.go
heapsampling.go
helloworld.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
helloworld.out
if.go
import1.go
import2.go
import4.go
import5.go
import6.go
import.go
index0.go
index1.go
index2.go
index.go
indirect1.go
indirect.go
init1.go
init.go
initcomma.go
initialize.go
initializerr.go
initloop.go
inline_caller.go
inline_callers.go
inline_literal.go
inline_variadic.go
inline.go
int_lit.go
intcvt.go
intrinsic_atomic.go
intrinsic.go
iota.go
label1.go
label.go
linkmain_run.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
linkmain.go
linkname.go
linkobj.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
linkx_run.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
linkx.go
literal.go
live1.go
live2.go
live_syscall.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
live.go cmd/compile: enable stack maps everywhere except unsafe points 2018-05-22 14:43:37 +00:00
locklinear.go
loopbce.go cmd/compile: ensure that loop condition is detected correctly 2018-07-09 18:23:39 +00:00
makechan.go
makemap.go
makenew.go
mallocfin.go
map1.go
map.go
mapclear.go cmd/compile: optimize map-clearing range idiom 2018-05-08 21:15:16 +00:00
maplinear.go
mergemul.go
method1.go
method2.go
method3.go
method4.go
method5.go
method6.go
method7.go
method.go
named1.go
named.go
nil.go
nilcheck.go
nilptr2.go
nilptr3_wasm.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
nilptr3.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
nilptr4.go
nilptr.go
nosplit.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
notinheap2.go
notinheap3.go
notinheap.go
nowritebarrier.go
nul1.go
opt_branchlikely.go
parentype.go
peano.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
phiopt.go
print.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
print.out
printbig.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
printbig.out
prove.go cmd/compile: ensure that loop condition is detected correctly 2018-07-09 18:23:39 +00:00
range.go
README.md
recover1.go
recover2.go
recover3.go
recover4.go
recover5.go
recover.go
reflectmethod1.go
reflectmethod2.go
reflectmethod3.go
reflectmethod4.go
rename1.go
rename.go
reorder2.go
reorder.go
retjmp.go
return.go
rotate0.go
rotate1.go
rotate2.go
rotate3.go
rotate.go
run.go test: add comments for all test actions 2018-06-06 15:12:32 +00:00
rune.go
runtime.go
shift1.go
shift2.go
sieve.go
sigchld.go test: remove rundircmpout and cmpout actions 2018-05-31 17:36:45 +00:00
sigchld.out
simassign.go
sinit_run.go all: skip unsupported tests for js/wasm 2018-04-30 19:39:18 +00:00
sinit.go
sizeof.go
slice3.go
slice3err.go
slicecap.go
sliceopt.go
solitaire.go
stack.go
strcopy.go test: add test to verify that string copies don't get optimized away 2018-06-12 19:10:34 +00:00
strength.go
string_lit.go
stringrange.go
struct0.go
switch2.go
switch3.go
switch4.go
switch5.go
switch6.go
switch7.go
switch.go
tinyfin.go
torture.go
turing.go
typecheck.go
typecheckloop.go
typeswitch1.go
typeswitch2.go
typeswitch3.go
typeswitch.go
uintptrescapes2.go
uintptrescapes.go
undef.go
utf.go
varerr.go
varinit.go
writebarrier.go
zerodivide.go

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go run run.go

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.