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-rw-r--r--test/lit/passes/optimize-instructions.wast111
1 files changed, 101 insertions, 10 deletions
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast
index 76074dadf..638811586 100644
--- a/test/lit/passes/optimize-instructions.wast
+++ b/test/lit/passes/optimize-instructions.wast
@@ -1549,11 +1549,102 @@
)
))
)
- ;; CHECK: (func $canonicalize-cmp-const (param $x i32) (param $fx f64)
+ ;; CHECK: (func $canonicalize-cmp-near-zero (param $x i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.ge_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.lt_s
;; CHECK-NEXT: (local.get $x)
- ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.ge_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.lt_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.le_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.gt_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.eqz
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.ne
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $canonicalize-cmp-near-zero (param $x i32)
+ ;; i32(x) > -1 ==> x >= 0
+ (drop (i32.gt_s
+ (local.get $x)
+ (i32.const -1)
+ ))
+ ;; i32(x) <= -1 ==> x < 0
+ (drop (i32.le_s
+ (local.get $x)
+ (i32.const -1)
+ ))
+ ;; -1 < i32(x) ==> x >= 0
+ (drop (i32.lt_s
+ (i32.const -1)
+ (local.get $x)
+ ))
+ ;; -1 >= i32(x) ==> x < 0
+ (drop (i32.ge_s
+ (i32.const -1)
+ (local.get $x)
+ ))
+ ;; i32(x) < 1 ==> x <= 0
+ (drop (i32.lt_s
+ (local.get $x)
+ (i32.const 1)
+ ))
+ ;; (signed)x >= 1 ==> x > 0
+ (drop (i32.ge_s
+ (local.get $x)
+ (i32.const 1)
+ ))
+ ;; u32(x) < 1 ==> x == 0
+ (drop (i32.lt_u
+ (local.get $x)
+ (i32.const 1)
+ ))
+ ;; u32(x) >= 1 ==> x != 0
+ (drop (i32.ge_u
+ (local.get $x)
+ (i32.const 1)
+ ))
+ )
+ ;; CHECK: (func $canonicalize-cmp-const (param $x i32) (param $fx f64)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.le_s
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
@@ -9596,15 +9687,15 @@
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i32.gt_s
+ ;; CHECK-NEXT: (i32.ge_s
;; CHECK-NEXT: (local.get $x)
- ;; CHECK-NEXT: (i32.const -1)
+ ;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i64.gt_s
+ ;; CHECK-NEXT: (i64.ge_s
;; CHECK-NEXT: (local.get $y)
- ;; CHECK-NEXT: (i64.const -1)
+ ;; CHECK-NEXT: (i64.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
@@ -9619,15 +9710,15 @@
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i32.le_s
+ ;; CHECK-NEXT: (i32.lt_s
;; CHECK-NEXT: (local.get $x)
- ;; CHECK-NEXT: (i32.const -1)
+ ;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
- ;; CHECK-NEXT: (i64.le_s
+ ;; CHECK-NEXT: (i64.lt_s
;; CHECK-NEXT: (local.get $y)
- ;; CHECK-NEXT: (i64.const -1)
+ ;; CHECK-NEXT: (i64.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop