summaryrefslogtreecommitdiff
path: root/test
diff options
context:
space:
mode:
Diffstat (limited to 'test')
-rw-r--r--test/lit/passes/optimize-instructions-gc.wast30
-rw-r--r--test/lit/passes/optimize-instructions.wast161
2 files changed, 166 insertions, 25 deletions
diff --git a/test/lit/passes/optimize-instructions-gc.wast b/test/lit/passes/optimize-instructions-gc.wast
index 3ae0e1d91..c0474a823 100644
--- a/test/lit/passes/optimize-instructions-gc.wast
+++ b/test/lit/passes/optimize-instructions-gc.wast
@@ -849,7 +849,7 @@
)
)
)
- ;; CHECK: (func $ternary-identical-arms-but-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
+ ;; CHECK: (func $select-identical-arms-but-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (select
;; CHECK-NEXT: (struct.get_u $struct $i8
@@ -862,7 +862,7 @@
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $ternary-identical-arms-but-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
+ (func $select-identical-arms-but-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
(drop
(select
;; the arms are equal but have side effects
@@ -901,4 +901,30 @@
)
)
)
+ ;; CHECK: (func $if-identical-arms-with-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (struct.get_u $struct $i8
+ ;; CHECK-NEXT: (if (result (ref null $struct))
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $if-identical-arms-with-side-effect (param $x (ref null $struct)) (param $y (ref null $struct)) (param $z i32)
+ (drop
+ (if (result i32)
+ (local.get $z)
+ ;; the arms are equal and have side effects, but that is ok with an if
+ ;; which only executes one side anyhow
+ (struct.get_u $struct 0
+ (local.get $x)
+ )
+ (struct.get_u $struct 0
+ (local.get $y)
+ )
+ )
+ )
+ )
)
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast
index 7150fc839..3ed0b3115 100644
--- a/test/lit/passes/optimize-instructions.wast
+++ b/test/lit/passes/optimize-instructions.wast
@@ -101,12 +101,10 @@
)
)
;; CHECK: (func $if-eqz-two-arms (param $i1 i32)
- ;; CHECK-NEXT: (if
- ;; CHECK-NEXT: (local.get $i1)
- ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (local.get $i1)
;; CHECK-NEXT: (i32.const 12)
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 11)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
@@ -125,14 +123,12 @@
)
)
;; CHECK: (func $if-eqz-two-arms-i64 (param $i2 i64)
- ;; CHECK-NEXT: (if
- ;; CHECK-NEXT: (i64.eqz
- ;; CHECK-NEXT: (local.get $i2)
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (i64.eqz
+ ;; CHECK-NEXT: (local.get $i2)
+ ;; CHECK-NEXT: )
;; CHECK-NEXT: (i32.const 11)
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 12)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
@@ -11928,29 +11924,44 @@
)
)
)
- ;; CHECK: (func $ternary-identical-arms-but-type-is-none (param $x i32) (param $y i32) (param $z i32)
- ;; CHECK-NEXT: (if
- ;; CHECK-NEXT: (local.get $z)
- ;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK: (func $ternary-identical-arms-and-type-is-none (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (local.get $z)
;; CHECK-NEXT: (local.get $x)
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i32.eqz
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
- (func $ternary-identical-arms-but-type-is-none (param $x i32) (param $y i32) (param $z i32)
+ (func $ternary-identical-arms-and-type-is-none (param $x i32) (param $y i32) (param $z i32)
(if
(local.get $z)
- ;; identical arms, but type is none
(drop (i32.eqz (local.get $x)))
(drop (i32.eqz (local.get $y)))
)
)
+ ;; CHECK: (func $ternary-identical-arms-and-type-is-none-child-types-mismatch (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (if
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f64.const 2.34)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-and-type-is-none-child-types-mismatch (param $x i32) (param $y i32) (param $z i32)
+ (if
+ (local.get $z)
+ ;; the drop cannot be hoisted out, since the children's type mismatch
+ ;; would not allow us to give a proper type to the if.
+ (drop (i32.const 1))
+ (drop (f64.const 2.34))
+ )
+ )
;; CHECK: (func $ternary-identical-arms-but-block (param $x i32) (param $y i32) (param $z i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (select
@@ -12013,4 +12024,108 @@
)
)
)
+ ;; CHECK: (func $ternary-identical-arms-br_if-same (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (block $block
+ ;; CHECK-NEXT: (br_if $block
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-br_if-same (param $x i32) (param $y i32) (param $z i32)
+ (block $block
+ (if
+ (local.get $z)
+ ;; two br_ifs with the same target are shallowly identical
+ (br_if $block
+ (local.get $x)
+ )
+ (br_if $block
+ (local.get $y)
+ )
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-br_if-different (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (block $block1
+ ;; CHECK-NEXT: (block $block2
+ ;; CHECK-NEXT: (if
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (br_if $block1
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br_if $block2
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-br_if-different (param $x i32) (param $y i32) (param $z i32)
+ (block $block1
+ (block $block2
+ (if
+ (local.get $z)
+ ;; two br_ifs with different targets are not shallowly identical
+ (br_if $block1
+ (local.get $x)
+ )
+ (br_if $block2
+ (local.get $y)
+ )
+ )
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-return (param $x i32) (param $y i32) (param $z i32) (result i32)
+ ;; CHECK-NEXT: (block $block
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-return (param $x i32) (param $y i32) (param $z i32) (result i32)
+ (block $block
+ (if
+ (local.get $z)
+ (return
+ (local.get $x)
+ )
+ (return
+ (local.get $y)
+ )
+ )
+ )
+ )
+ ;; CHECK: (func $send-i32 (param $0 i32)
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: )
+ (func $send-i32 (param i32))
+ ;; CHECK: (func $ternary-identical-arms-call (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (call $send-i32
+ ;; CHECK-NEXT: (if (result i32)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-call (param $x i32) (param $y i32) (param $z i32)
+ (if
+ (local.get $z)
+ (call $send-i32
+ (local.get $x)
+ )
+ (call $send-i32
+ (local.get $y)
+ )
+ )
+ )
)
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-05 07:30:16 +0000