Optimize out memory and table when possible (#1352)

We can remove the memory/table (itself, or an import if imported) if they are not used. This is pretty minor on a large wasm file, but when reading small wasts it's very noticeable to have an unused memory and table all the time.

1 files changed, 4 insertions, 4 deletions

diff --git a/test/wasm-only.fromasm.clamp b/test/wasm-only.fromasm.clamp
index 2f9a2a37b..34acb5b49 100644
--- a/test/wasm-only.fromasm.clamp
+++ b/test/wasm-only.fromasm.clamp
@@ -7,6 +7,10 @@
  (type $legaltype$illegalImportResult (func (result i32)))
  (type $legaltype$_fabsf (func (param f64) (result f64)))
  (type $legaltype$do_i64 (func (result i32)))
+ (import "env" "memory" (memory $0 256 256))
+ (import "env" "table" (table 3 3 anyfunc))
+ (import "env" "memoryBase" (global $memoryBase i32))
+ (import "env" "tableBase" (global $tableBase i32))
  (import "env" "illegalImport" (func $illegalImport (param f64 i64 i32)))
  (import "env" "illegalImportResult" (func $illegalImportResult (result i64)))
  (import "env" "_fabsf" (func $_fabsf (param f32) (result f32)))
@@ -16,10 +20,6 @@
  (import "env" "illegalImportResult" (func $legalimport$illegalImportResult (result i32)))
  (import "env" "_fabsf" (func $legalimport$_fabsf (param f64) (result f64)))
  (import "env" "do_i64" (func $legalimport$do_i64 (result i32)))
- (import "env" "memory" (memory $0 256 256))
- (import "env" "table" (table 3 3 anyfunc))
- (import "env" "memoryBase" (global $memoryBase i32))
- (import "env" "tableBase" (global $tableBase i32))
  (global $tempRet0 (mut i32) (i32.const 0))
  (elem (get_global $tableBase) $legalfunc$illegalImport $legalfunc$_fabsf $legalfunc$do_i64)
  (data (get_global $memoryBase) "wasm-only.asm.js")