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GC passive segments

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We statically know which passive segments are actually used, so let's be
sure to gc them!
This commit is contained in:
Alex Crichton
2018-10-29 15:54:32 -07:00
parent 91d68a0012
commit 31c11f0781
8 changed files with 242 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
crates/gc/tests/all.rs
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@@ -75,6 +75,7 @@ fn run_test(test: &Test) -> Result<(), Box<Error>> {
let expected = extract_expected(&input);
let status = Command::new("wat2wasm")
.arg("--debug-names")
.arg("--enable-bulk-memory")
.arg(&test.input)
.arg("-o")
.arg(f.path())
@@ -94,6 +95,7 @@ fn run_test(test: &Test) -> Result<(), Box<Error>> {
fs::write(f.path(), wasm)?;
let status = Command::new("wasm2wat")
.arg("--enable-bulk-memory")
.arg(&f.path())
.stderr(Stdio::inherit())
.output()?;

27
crates/gc/tests/wat/keep-passive-memory-segment.wat Normal file
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@@ -0,0 +1,27 @@
(module
(memory 0 10)
(func $foo
i32.const 0
i32.const 0
i32.const 0
memory.init 0
)
(data passive "wut")
(start $foo)
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module
;; (type (;0;) (func))
;; (func $foo (type 0)
;; i32.const 0
;; i32.const 0
;; i32.const 0
;; memory.init 0)
;; (memory (;0;) 0 10)
;; (start 0)
;; (data (;0;) passive "wut"))
;; STDOUT

30
crates/gc/tests/wat/keep-passive-segment.wat Normal file
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@@ -0,0 +1,30 @@
(module
(import "" "" (table 0 1 anyfunc))
(func $foo
i32.const 0
i32.const 0
i32.const 0
table.init 0
)
(func $bar)
(elem passive $bar)
(start $foo)
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module
;; (type (;0;) (func))
;; (import "" "" (table (;0;) 0 1 anyfunc))
;; (func $foo (type 0)
;; i32.const 0
;; i32.const 0
;; i32.const 0
;; table.init 0)
;; (func $bar (type 0))
;; (start 0)
;; (elem (;0;) passive $bar))
;; STDOUT

18
crates/gc/tests/wat/remove-passive-memory-segment.wat Normal file
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@@ -0,0 +1,18 @@
(module
(memory 0 10)
(func $foo
i32.const 0
i32.const 0
i32.const 0
memory.init 0
)
(data passive "wut")
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module
;; (memory (;0;) 0 10))
;; STDOUT

11
crates/gc/tests/wat/remove-unused-passive-segment.wat Normal file
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@@ -0,0 +1,11 @@
(module
(import "" "" (table 0 1 anyfunc))
(func $foo)
(elem passive $foo)
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module)
;; STDOUT

29
crates/gc/tests/wat/renumber-data-segment.wat Normal file
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@@ -0,0 +1,29 @@
(module
(memory 0 10)
(func $foo
i32.const 0
i32.const 0
i32.const 0
memory.init 1
)
(data passive "wut")
(data passive "wut2")
(data passive "wut3")
(start $foo)
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module
;; (type (;0;) (func))
;; (func $foo (type 0)
;; i32.const 0
;; i32.const 0
;; i32.const 0
;; memory.init 0)
;; (memory (;0;) 0 10)
;; (start 0)
;; (data (;0;) passive "wut2"))
;; STDOUT

32
crates/gc/tests/wat/renumber-passive-segment.wat Normal file
View File

@@ -0,0 +1,32 @@
(module
(import "" "" (table 0 1 anyfunc))
(func $foo
i32.const 0
i32.const 0
i32.const 0
table.init 1
)
(func $bar)
(func $bar2)
(elem passive $bar)
(elem passive $bar2)
(start $foo)
)
;; STDOUT (update this section with `BLESS_TESTS=1` while running tests)
;; (module
;; (type (;0;) (func))
;; (import "" "" (table (;0;) 0 1 anyfunc))
;; (func $foo (type 0)
;; i32.const 0
;; i32.const 0
;; i32.const 0
;; table.init 0)
;; (func $bar2 (type 0))
;; (start 0)
;; (elem (;0;) passive $bar2))
;; STDOUT