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-rw-r--r--test/lit/passes/code-pushing-eh.wast132
-rw-r--r--test/lit/passes/vacuum-eh.wast51
2 files changed, 173 insertions, 10 deletions
diff --git a/test/lit/passes/code-pushing-eh.wast b/test/lit/passes/code-pushing-eh.wast
index a18b10dae..c428d757d 100644
--- a/test/lit/passes/code-pushing-eh.wast
+++ b/test/lit/passes/code-pushing-eh.wast
@@ -1,17 +1,19 @@
;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --code-pushing -all -S -o - | filecheck %s
+;; The tests in this file test EffectAnalyzer, which is used by CodePushing.
+
(module
;; CHECK: (tag $e (param i32))
(tag $e (param i32))
- ;; CHECK: (func $cant-push-past-call
+ ;; CHECK: (func $cannot-push-past-call
;; CHECK-NEXT: (local $x i32)
;; CHECK-NEXT: (block $out
;; CHECK-NEXT: (local.set $x
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
- ;; CHECK-NEXT: (call $cant-push-past-call)
+ ;; CHECK-NEXT: (call $cannot-push-past-call)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
@@ -23,19 +25,19 @@
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $cant-push-past-call
+ (func $cannot-push-past-call
(local $x i32)
(block $out
;; This local.set cannot be pushed down, because the call below can throw
(local.set $x (i32.const 1))
- (call $cant-push-past-call)
+ (call $cannot-push-past-call)
(drop (i32.const 1))
(br_if $out (i32.const 2))
(drop (local.get $x))
)
)
- ;; CHECK: (func $cant-push-past-throw
+ ;; CHECK: (func $cannot-push-past-throw
;; CHECK-NEXT: (local $x i32)
;; CHECK-NEXT: (block $out
;; CHECK-NEXT: (local.set $x
@@ -55,7 +57,7 @@
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $cant-push-past-throw
+ (func $cannot-push-past-throw
(local $x i32)
(block $out
;; This local.set cannot be pushed down, because there is 'throw' below
@@ -117,7 +119,7 @@
;; CHECK-NEXT: )
(func $foo)
- ;; CHECK: (func $cant-push-past-try
+ ;; CHECK: (func $cannot-push-past-try
;; CHECK-NEXT: (local $x i32)
;; CHECK-NEXT: (block $out
;; CHECK-NEXT: (local.set $x
@@ -144,7 +146,7 @@
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $cant-push-past-try
+ (func $cannot-push-past-try
(local $x i32)
(block $out
;; This local.set cannot be pushed down, because the exception thrown by
@@ -164,7 +166,7 @@
)
)
- ;; CHECK: (func $cant-push-past-rethrow-within-catch
+ ;; CHECK: (func $cannot-push-past-rethrow-within-catch
;; CHECK-NEXT: (local $x i32)
;; CHECK-NEXT: (block $out
;; CHECK-NEXT: (local.set $x
@@ -191,7 +193,7 @@
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $cant-push-past-rethrow-within-catch
+ (func $cannot-push-past-rethrow-within-catch
(local $x i32)
(block $out
;; This local.set cannot be pushed down, because there is 'rethrow' within
@@ -210,4 +212,114 @@
(drop (local.get $x))
)
)
+
+ ;; CHECK: (func $can-push-past-try-delegate
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (block $out
+ ;; CHECK-NEXT: (try $l
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (try $try
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (throw $e
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (delegate $l)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (catch_all
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br_if $out
+ ;; CHECK-NEXT: (i32.const 2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $can-push-past-try-delegate
+ (local $x i32)
+ (block $out
+ ;; This local.set can be pushed down, because the 'throw' below is going
+ ;; to be caught by the catch_all
+ (local.set $x (i32.const 1))
+ (try $l
+ (do
+ (try
+ (do
+ (throw $e (i32.const 0))
+ )
+ (delegate $l)
+ )
+ )
+ (catch_all)
+ )
+ (drop (i32.const 1))
+ (br_if $out (i32.const 2))
+ (drop (local.get $x))
+ )
+ )
+
+ ;; CHECK: (func $cannot-push-past-try-delegate
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (block $out
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (try $l
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (try $try
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (throw $e
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (delegate 2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (catch_all
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br_if $out
+ ;; CHECK-NEXT: (i32.const 2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $cannot-push-past-try-delegate
+ (local $x i32)
+ (block $out
+ ;; This local.set cannot be pushed down, because the 'delegate' bypasses
+ ;; the catch_all, making the whole 'try' throwable.
+ (local.set $x (i32.const 1))
+ (try $l
+ (do
+ (try
+ (do
+ (throw $e (i32.const 0))
+ )
+ (delegate 2)
+ )
+ )
+ (catch_all)
+ )
+ (drop (i32.const 1))
+ (br_if $out (i32.const 2))
+ (drop (local.get $x))
+ )
+ )
)
diff --git a/test/lit/passes/vacuum-eh.wast b/test/lit/passes/vacuum-eh.wast
index ef6b6ff5b..574a525bc 100644
--- a/test/lit/passes/vacuum-eh.wast
+++ b/test/lit/passes/vacuum-eh.wast
@@ -125,4 +125,55 @@
)
)
)
+
+ ;; CHECK: (func $try-delegate-outer-target
+ ;; CHECK-NEXT: (local $0 i32)
+ ;; CHECK-NEXT: (try $label$0
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (try $try
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (try $try2
+ ;; CHECK-NEXT: (do
+ ;; CHECK-NEXT: (throw $e
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (delegate $label$0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (catch_all
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $try-delegate-outer-target
+ (local $0 i32)
+ (try $label$0 ;; outer try
+ (do
+ ;; If it were not for the inner (delegate $label0), this middle try
+ ;; cannot throw even if there is a throw in the inner try, because this
+ ;; try has a catch_all. And Vacuum can replace the outer try-catch with
+ ;; the try's body if the body doesn't throw.
+ ;;
+ ;; But because the inner try has a delegate that targets the outer try,
+ ;; this middle try can throw, and we can't do the optimization for
+ ;; the outer try.
+ (try ;; middle try
+ (do
+ (try ;; inner try
+ (do
+ (throw $e
+ (i32.const 0)
+ )
+ )
+ (delegate $label$0)
+ )
+ )
+ (catch_all)
+ )
+ )
+ )
+ )
)
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-19 04:47:11 +0000