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-rw-r--r--test/lit/help/wasm-opt.test3
-rw-r--r--test/lit/help/wasm2js.test3
-rw-r--r--test/lit/passes/multi-memory-lowering.wast247
3 files changed, 253 insertions, 0 deletions
diff --git a/test/lit/help/wasm-opt.test b/test/lit/help/wasm-opt.test
index b8679a62d..7ee35ab1a 100644
--- a/test/lit/help/wasm-opt.test
+++ b/test/lit/help/wasm-opt.test
@@ -273,6 +273,9 @@
;; CHECK-NEXT: --mod-asyncify-never-unwind apply the assumption that
;; CHECK-NEXT: asyncify never unwinds
;; CHECK-NEXT:
+;; CHECK-NEXT: --multi-memory-lowering combines multiple memories into
+;; CHECK-NEXT: a single memory
+;; CHECK-NEXT:
;; CHECK-NEXT: --name-types (re)name all heap types
;; CHECK-NEXT:
;; CHECK-NEXT: --nm name list
diff --git a/test/lit/help/wasm2js.test b/test/lit/help/wasm2js.test
index 4df281803..0d61348b8 100644
--- a/test/lit/help/wasm2js.test
+++ b/test/lit/help/wasm2js.test
@@ -232,6 +232,9 @@
;; CHECK-NEXT: --mod-asyncify-never-unwind apply the assumption that
;; CHECK-NEXT: asyncify never unwinds
;; CHECK-NEXT:
+;; CHECK-NEXT: --multi-memory-lowering combines multiple memories into
+;; CHECK-NEXT: a single memory
+;; CHECK-NEXT:
;; CHECK-NEXT: --name-types (re)name all heap types
;; CHECK-NEXT:
;; CHECK-NEXT: --nm name list
diff --git a/test/lit/passes/multi-memory-lowering.wast b/test/lit/passes/multi-memory-lowering.wast
new file mode 100644
index 000000000..6bf1ecc7c
--- /dev/null
+++ b/test/lit/passes/multi-memory-lowering.wast
@@ -0,0 +1,247 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
+;; RUN: wasm-opt %s --enable-multi-memories --multi-memory-lowering --enable-bulk-memory --enable-extended-const -S -o - | filecheck %s
+
+(module
+ (memory $memory1 1)
+ (memory $memory2 2)
+ (memory $memory3 3)
+ (data (memory $memory1) (i32.const 0) "a")
+ (data (memory $memory3) (i32.const 1) "123")
+ ;; CHECK: (type $none_=>_i32 (func (result i32)))
+
+ ;; CHECK: (type $i32_=>_i32 (func (param i32) (result i32)))
+
+ ;; CHECK: (type $none_=>_none (func))
+
+ ;; CHECK: (global $memory2_byte_offset (mut i32) (i32.const 65536))
+
+ ;; CHECK: (global $memory3_byte_offset (mut i32) (i32.const 196608))
+
+ ;; CHECK: (memory $combined_memory 6)
+
+ ;; CHECK: (data (i32.const 0) "a")
+
+ ;; CHECK: (data (i32.add
+ ;; CHECK-NEXT: (global.get $memory3_byte_offset)
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: ) "123")
+
+ ;; CHECK: (func $loads
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (i32.const 10)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (global.get $memory2_byte_offset)
+ ;; CHECK-NEXT: (i32.const 11)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (global.get $memory3_byte_offset)
+ ;; CHECK-NEXT: (i32.const 12)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $loads
+ (drop
+ (i32.load $memory1
+ (i32.const 10)
+ )
+ )
+ (drop
+ (i32.load $memory2
+ (i32.const 11)
+ )
+ )
+ (drop
+ (i32.load $memory3
+ (i32.const 12)
+ )
+ )
+ )
+ ;; CHECK: (func $stores
+ ;; CHECK-NEXT: (i32.store
+ ;; CHECK-NEXT: (i32.const 10)
+ ;; CHECK-NEXT: (i32.const 115)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.store
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (global.get $memory2_byte_offset)
+ ;; CHECK-NEXT: (i32.const 11)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.const 115)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.store
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (global.get $memory3_byte_offset)
+ ;; CHECK-NEXT: (i32.const 12)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.const 115)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $stores
+ (i32.store $memory1
+ (i32.const 10)
+ (i32.const 115)
+ )
+ (i32.store $memory2
+ (i32.const 11)
+ (i32.const 115)
+ )
+ (i32.store $memory3
+ (i32.const 12)
+ (i32.const 115)
+ )
+ )
+)
+
+;; CHECK: (func $memory1_size (result i32)
+;; CHECK-NEXT: (return
+;; CHECK-NEXT: (i32.div_u
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+
+;; CHECK: (func $memory2_size (result i32)
+;; CHECK-NEXT: (return
+;; CHECK-NEXT: (i32.sub
+;; CHECK-NEXT: (i32.div_u
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (i32.div_u
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+
+;; CHECK: (func $memory3_size (result i32)
+;; CHECK-NEXT: (return
+;; CHECK-NEXT: (i32.sub
+;; CHECK-NEXT: (memory.size)
+;; CHECK-NEXT: (i32.div_u
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+
+;; CHECK: (func $memory1_grow (param $page_delta i32) (result i32)
+;; CHECK-NEXT: (local $return_size i32)
+;; CHECK-NEXT: (local $memory_size i32)
+;; CHECK-NEXT: (local.set $return_size
+;; CHECK-NEXT: (call $memory1_size)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (local.set $memory_size
+;; CHECK-NEXT: (memory.size)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (drop
+;; CHECK-NEXT: (memory.grow
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (memory.copy
+;; CHECK-NEXT: (i32.add
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: (i32.sub
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $memory_size)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.set $memory2_byte_offset
+;; CHECK-NEXT: (i32.add
+;; CHECK-NEXT: (global.get $memory2_byte_offset)
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.set $memory3_byte_offset
+;; CHECK-NEXT: (i32.add
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (local.get $return_size)
+;; CHECK-NEXT: )
+
+;; CHECK: (func $memory2_grow (param $page_delta i32) (result i32)
+;; CHECK-NEXT: (local $return_size i32)
+;; CHECK-NEXT: (local $memory_size i32)
+;; CHECK-NEXT: (local.set $return_size
+;; CHECK-NEXT: (call $memory2_size)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (local.set $memory_size
+;; CHECK-NEXT: (memory.size)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (drop
+;; CHECK-NEXT: (memory.grow
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (memory.copy
+;; CHECK-NEXT: (i32.add
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.sub
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $memory_size)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (global.set $memory3_byte_offset
+;; CHECK-NEXT: (i32.add
+;; CHECK-NEXT: (global.get $memory3_byte_offset)
+;; CHECK-NEXT: (i32.mul
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: (i32.const 65536)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (local.get $return_size)
+;; CHECK-NEXT: )
+
+;; CHECK: (func $memory3_grow (param $page_delta i32) (result i32)
+;; CHECK-NEXT: (local $return_size i32)
+;; CHECK-NEXT: (local.set $return_size
+;; CHECK-NEXT: (call $memory3_size)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (drop
+;; CHECK-NEXT: (memory.grow
+;; CHECK-NEXT: (local.get $page_delta)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (local.get $return_size)
+;; CHECK-NEXT: )
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-12 16:07:35 +0000