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-rw-r--r--test/lit/binary/heap-types.wast150
-rw-r--r--test/lit/passes/heap2local.wast25
-rw-r--r--test/lit/passes/precompute-gc.wast20
3 files changed, 194 insertions, 1 deletions
diff --git a/test/lit/binary/heap-types.wast b/test/lit/binary/heap-types.wast
new file mode 100644
index 000000000..f455d7376
--- /dev/null
+++ b/test/lit/binary/heap-types.wast
@@ -0,0 +1,150 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
+
+;; Check that heap types are emitted properly in the binary format. This file
+;; contains small modules that each use a single instruction with a heap type.
+;; If we forgot to update collectHeapTypes then we would not write out their
+;; type, and hit an error during --roundtrip.
+
+;; RUN: foreach %s %t wasm-opt -all --roundtrip -S -o - | filecheck %s
+;; RUN: foreach %s %t wasm-opt -all --roundtrip -S --nominal -o - | filecheck %s --check-prefix NOMNL
+
+(module
+ ;; CHECK: (type $struct.A (struct (field i32)))
+ ;; NOMNL: (type $struct.A (struct (field i32)))
+ (type $struct.A (struct i32))
+ ;; NOMNL: (type $struct.B (struct (field i32)))
+ (type $struct.B (struct i32))
+ ;; CHECK: (func $test
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (ref.test_static $struct.A
+ ;; CHECK-NEXT: (ref.null $struct.A)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $test
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (ref.test_static $struct.B
+ ;; NOMNL-NEXT: (ref.null $struct.A)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $test
+ (drop
+ (ref.test_static $struct.B (ref.null $struct.A))
+ )
+ )
+)
+
+(module
+ ;; CHECK: (type $struct.A (struct (field i32)))
+ ;; NOMNL: (type $struct.A (struct (field i32)))
+ (type $struct.A (struct i32))
+ ;; NOMNL: (type $struct.B (struct (field i32)))
+ (type $struct.B (struct i32))
+ ;; CHECK: (func $test
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (ref.cast_static $struct.A
+ ;; CHECK-NEXT: (ref.null $struct.A)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $test
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (ref.cast_static $struct.B
+ ;; NOMNL-NEXT: (ref.null $struct.A)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $test
+ (drop
+ (ref.cast_static $struct.B (ref.null $struct.A))
+ )
+ )
+)
+
+(module
+ ;; CHECK: (type $struct.A (struct (field i32)))
+ ;; NOMNL: (type $struct.A (struct (field i32)))
+ (type $struct.A (struct i32))
+ ;; CHECK: (func $test
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (struct.new_default $struct.A)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $test
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (struct.new_default $struct.A)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $test
+ (drop
+ (struct.new_default $struct.A)
+ )
+ )
+)
+
+(module
+ ;; CHECK: (type $vector (array (mut f64)))
+ ;; NOMNL: (type $vector (array (mut f64)))
+ (type $vector (array (mut f64)))
+ ;; CHECK: (func $test
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (array.new $vector
+ ;; CHECK-NEXT: (f64.const 3.14159)
+ ;; CHECK-NEXT: (i32.const 3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $test
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (array.new $vector
+ ;; NOMNL-NEXT: (f64.const 3.14159)
+ ;; NOMNL-NEXT: (i32.const 3)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $test
+ (drop
+ (array.new $vector
+ (f64.const 3.14159)
+ (i32.const 3)
+ )
+ )
+ )
+)
+
+(module
+ ;; CHECK: (type $vector (array (mut f64)))
+ ;; NOMNL: (type $vector (array (mut f64)))
+ (type $vector (array (mut f64)))
+ ;; CHECK: (func $test
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (array.init_static $vector
+ ;; CHECK-NEXT: (f64.const 1)
+ ;; CHECK-NEXT: (f64.const 2)
+ ;; CHECK-NEXT: (f64.const 4)
+ ;; CHECK-NEXT: (f64.const 8)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $test
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (array.init_static $vector
+ ;; NOMNL-NEXT: (f64.const 1)
+ ;; NOMNL-NEXT: (f64.const 2)
+ ;; NOMNL-NEXT: (f64.const 4)
+ ;; NOMNL-NEXT: (f64.const 8)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $test
+ (drop
+ (array.init_static $vector
+ (f64.const 1)
+ (f64.const 2)
+ (f64.const 4)
+ (f64.const 8)
+ )
+ )
+ )
+)
diff --git a/test/lit/passes/heap2local.wast b/test/lit/passes/heap2local.wast
index d49836b99..90ac8a418 100644
--- a/test/lit/passes/heap2local.wast
+++ b/test/lit/passes/heap2local.wast
@@ -254,7 +254,7 @@
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (block ;; (replaces something unreachable we can't emit)
;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (struct.new_with_rtt $struct.A
+ ;; CHECK-NEXT: (block
;; CHECK-NEXT: (i32.const 2)
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (rtt.canon $struct.A)
@@ -1937,4 +1937,27 @@
)
)
)
+
+ ;; CHECK: (func $simple-no-rtt
+ ;; CHECK-NEXT: (local $0 i32)
+ ;; CHECK-NEXT: (local $1 f64)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (block (result (ref null $struct.A))
+ ;; CHECK-NEXT: (local.set $0
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $1
+ ;; CHECK-NEXT: (f64.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (ref.null $struct.A)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $simple-no-rtt
+ (drop
+ ;; This allocation has no rtt, so we have nothing to drop from it when
+ ;; we optimize.
+ (struct.new_default $struct.A)
+ )
+ )
)
diff --git a/test/lit/passes/precompute-gc.wast b/test/lit/passes/precompute-gc.wast
index 0a08c02c0..44eff1c5f 100644
--- a/test/lit/passes/precompute-gc.wast
+++ b/test/lit/passes/precompute-gc.wast
@@ -510,4 +510,24 @@
)
)
)
+
+ ;; CHECK: (func $new_block_unreachable (result anyref)
+ ;; CHECK-NEXT: (block
+ ;; CHECK-NEXT: (block
+ ;; CHECK-NEXT: (unreachable)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (rtt.canon $struct)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $new_block_unreachable (result anyref)
+ (struct.new_with_rtt $struct
+ ;; The value is a block with an unreachable. precompute will get rid of the
+ ;; block, after which fuzz-exec should not crash - this is a regression test
+ ;; for us being careful in how we execute an unreachable struct.new
+ (block $label$1 (result i32)
+ (unreachable)
+ )
+ (rtt.canon $struct)
+ )
+ )
)
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-07 20:23:37 +0000