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-rw-r--r--test/lit/passes/optimize-instructions-gc.wast72
-rw-r--r--test/lit/passes/optimize-instructions.wast195
2 files changed, 267 insertions, 0 deletions
diff --git a/test/lit/passes/optimize-instructions-gc.wast b/test/lit/passes/optimize-instructions-gc.wast
index 78a08d9b1..3ae0e1d91 100644
--- a/test/lit/passes/optimize-instructions-gc.wast
+++ b/test/lit/passes/optimize-instructions-gc.wast
@@ -829,4 +829,76 @@
)
)
)
+ ;; CHECK: (func $ternary-identical-arms (param $x i32) (param $y (ref null $struct)) (param $z (ref null $struct))
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (ref.is_null
+ ;; CHECK-NEXT: (if (result (ref null $struct))
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms (param $x i32) (param $y (ref null $struct)) (param $z (ref null $struct))
+ (drop
+ (if (result i32)
+ (local.get $x)
+ (ref.is_null (local.get $y))
+ (ref.is_null (local.get $z))
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-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
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (struct.get_u $struct $i8
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.get $z)
+ ;; 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)
+ (drop
+ (select
+ ;; the arms are equal but have side effects
+ (struct.get_u $struct 0
+ (local.get $x)
+ )
+ (struct.get_u $struct 0
+ (local.get $y)
+ )
+ (local.get $z)
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-no-side-effect (param $x (ref $struct)) (param $y (ref $struct)) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (struct.get_u $struct $i8
+ ;; CHECK-NEXT: (select (result (ref $struct))
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-no-side-effect (param $x (ref $struct)) (param $y (ref $struct)) (param $z i32)
+ (drop
+ (select
+ ;; the arms are equal and as the params are non-null, there are no possible side effects
+ (struct.get_u $struct 0
+ (local.get $x)
+ )
+ (struct.get_u $struct 0
+ (local.get $y)
+ )
+ (local.get $z)
+ )
+ )
+ )
)
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast
index bb05f17ba..7150fc839 100644
--- a/test/lit/passes/optimize-instructions.wast
+++ b/test/lit/passes/optimize-instructions.wast
@@ -11818,4 +11818,199 @@
)
)
)
+ ;; CHECK: (func $ternary-identical-arms (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK-NEXT: (select
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms (param $x i32) (param $y i32) (param $z i32)
+ (drop
+ (select
+ (i32.eqz (local.get $x))
+ (i32.eqz (local.get $y))
+ (local.get $z)
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-if (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: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-if (param $x i32) (param $y i32) (param $z i32)
+ (drop
+ (if (result i32)
+ (local.get $z)
+ (i32.eqz (local.get $x))
+ (i32.eqz (local.get $y))
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-type-change (param $x f64) (param $y f64) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.demote_f64
+ ;; CHECK-NEXT: (f64.floor
+ ;; CHECK-NEXT: (if (result f64)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-type-change (param $x f64) (param $y f64) (param $z i32)
+ (drop
+ ;; the if's type begins as f32, but after moving code out it will be
+ ;; f64
+ (if (result f32)
+ (local.get $z)
+ (f32.demote_f64 (f64.floor (local.get $x)))
+ (f32.demote_f64 (f64.floor (local.get $y)))
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-more (param $x f32) (param $y f32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.floor
+ ;; CHECK-NEXT: (f32.neg
+ ;; CHECK-NEXT: (select
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-more (param $x f32) (param $y f32) (param $z i32)
+ (drop
+ (select
+ (f32.floor (f32.neg (local.get $x)))
+ (f32.floor (f32.neg (local.get $y)))
+ (local.get $z)
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-morer (param $x f32) (param $y f32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.abs
+ ;; CHECK-NEXT: (f32.floor
+ ;; CHECK-NEXT: (f32.neg
+ ;; CHECK-NEXT: (select
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-morer (param $x f32) (param $y f32) (param $z i32)
+ (drop
+ (select
+ (f32.abs (f32.floor (f32.neg (local.get $x))))
+ (f32.abs (f32.floor (f32.neg (local.get $y))))
+ (local.get $z)
+ )
+ )
+ )
+ ;; 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-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)
+ (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-but-block (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (select
+ ;; CHECK-NEXT: (block $block (result i32)
+ ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (block $block24 (result i32)
+ ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-but-block (param $x i32) (param $y i32) (param $z i32)
+ (drop
+ (select
+ ;; identical arms, but they are control flow structures
+ (block (result i32)
+ (i32.eqz (local.get $x))
+ )
+ (block (result i32)
+ (i32.eqz (local.get $y))
+ )
+ (local.get $z)
+ )
+ )
+ )
+ ;; CHECK: (func $ternary-identical-arms-but-binary (param $x i32) (param $y i32) (param $z i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (select
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: (local.get $y)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.get $z)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $ternary-identical-arms-but-binary (param $x i32) (param $y i32) (param $z i32)
+ (drop
+ (select
+ ;; identical arms, but they are binaries, not unaries
+ (i32.add
+ (local.get $x)
+ (local.get $x)
+ )
+ (i32.add
+ (local.get $y)
+ (local.get $y)
+ )
+ (local.get $z)
+ )
+ )
+ )
)