summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
Diffstat (limited to 'test')
-rw-r--r--test/lit/passes/gsi.wast93
1 files changed, 93 insertions, 0 deletions
diff --git a/test/lit/passes/gsi.wast b/test/lit/passes/gsi.wast
index 52ba5d7f6..4cec6aa3c 100644
--- a/test/lit/passes/gsi.wast
+++ b/test/lit/passes/gsi.wast
@@ -1175,3 +1175,96 @@
)
)
)
+
+;; One global is declared as heap type |any|, which we cannot do a ref.eq on, so
+;; we do not optimize.
+(module
+ ;; CHECK: (type $A (struct (field i32)))
+ (type $A (struct (field i32)))
+
+ ;; CHECK: (type $ref?|$A|_=>_i32 (func (param (ref null $A)) (result i32)))
+
+ ;; CHECK: (global $A0 (ref any) (struct.new $A
+ ;; CHECK-NEXT: (i32.const 1337)
+ ;; CHECK-NEXT: ))
+ (global $A0 (ref any) (struct.new $A
+ (i32.const 1337)
+ ))
+
+ ;; CHECK: (global $A1 (ref $A) (struct.new $A
+ ;; CHECK-NEXT: (i32.const 9999)
+ ;; CHECK-NEXT: ))
+ (global $A1 (ref $A) (struct.new $A
+ (i32.const 9999)
+ ))
+
+ ;; CHECK: (func $func (type $ref?|$A|_=>_i32) (param $ref (ref null $A)) (result i32)
+ ;; CHECK-NEXT: (struct.get $A 0
+ ;; CHECK-NEXT: (local.get $ref)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $func (param $ref (ref null $A)) (result i32)
+ (struct.get $A 0
+ (local.get $ref)
+ )
+ )
+)
+
+;; As above, but now there is just a single global. Again, we should not
+;; optimize because the global is not declared as a struct type (which means we
+;; cannot do a struct.get on a global.get of that global - we'd need a cast; it
+;; is simpler to not optimize here and let other passes first refine the global
+;; type).
+(module
+ ;; CHECK: (type $A (struct (field i32)))
+ (type $A (struct (field i32)))
+
+ ;; CHECK: (type $ref?|$A|_=>_i32 (func (param (ref null $A)) (result i32)))
+
+ ;; CHECK: (global $A0 (ref any) (struct.new $A
+ ;; CHECK-NEXT: (i32.const 1337)
+ ;; CHECK-NEXT: ))
+ (global $A0 (ref any) (struct.new $A
+ (i32.const 1337)
+ ))
+
+ ;; CHECK: (func $func (type $ref?|$A|_=>_i32) (param $ref (ref null $A)) (result i32)
+ ;; CHECK-NEXT: (struct.get $A 0
+ ;; CHECK-NEXT: (local.get $ref)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $func (param $ref (ref null $A)) (result i32)
+ (struct.get $A 0
+ (local.get $ref)
+ )
+ )
+)
+
+(module
+ ;; CHECK: (type $A (struct (field i32)))
+ (type $A (struct (field i32)))
+
+ ;; CHECK: (type $ref?|$A|_=>_i32 (func (param (ref null $A)) (result i32)))
+
+ ;; CHECK: (global $A0 (ref $A) (struct.new $A
+ ;; CHECK-NEXT: (i32.const 1337)
+ ;; CHECK-NEXT: ))
+ (global $A0 (ref $A) (struct.new $A
+ (i32.const 1337)
+ ))
+
+ ;; CHECK: (func $func (type $ref?|$A|_=>_i32) (param $ref (ref null $A)) (result i32)
+ ;; CHECK-NEXT: (block ;; (replaces something unreachable we can't emit)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (ref.null none)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (unreachable)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $func (param $ref (ref null $A)) (result i32)
+ ;; Test that we do not error when we see a struct.get of a bottom type.
+ (struct.get $A 0
+ (ref.null none)
+ )
+ )
+)