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-rw-r--r--test/lit/passes/optimize-instructions.wast12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast
index a4c8170a6..06f9f16c0 100644
--- a/test/lit/passes/optimize-instructions.wast
+++ b/test/lit/passes/optimize-instructions.wast
@@ -10571,6 +10571,16 @@
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.add
+ ;; CHECK-NEXT: (f32.neg
+ ;; CHECK-NEXT: (local.tee $a
+ ;; CHECK-NEXT: (f32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.get $a)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $simplify-add-sub-with-neg-float (param $a f32) (param $b f32) (param $x f64) (param $y f64)
;; -x + y ==> y - x
@@ -10589,6 +10599,8 @@
;; -x - y -> skip
(drop (f32.sub (f32.neg (local.get $a)) (local.get $b)))
(drop (f64.sub (f64.neg (local.get $x)) (local.get $y)))
+ ;; -x + y -> skip, iff can't reorder
+ (drop (f32.add (f32.neg (local.tee $a (f32.const 1.0))) (local.get $a)))
)
;; CHECK: (func $simplify-add-sub-with-neg-float-zeros (param $a f32) (param $b f32)
;; CHECK-NEXT: (drop