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authorMax Graey <maxgraey@gmail.com>2020-07-22 20:45:47 +0300
committerGitHub <noreply@github.com>2020-07-22 10:45:47 -0700
commita097820b6f0d2bc4d31ace2764f07bfa17c2cad8 (patch)
treeb2396986d287bd71f321a4513342ae4f3523e565 /test/passes/optimize-instructions_all-features.wast
parent86362be31f1ae2d65e03fcc28bbf6526e48242f7 (diff)
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Optimize select with const arms (#2869)
x ? 1 : 0 => !!x and so forth.
Diffstat (limited to 'test/passes/optimize-instructions_all-features.wast')
-rw-r--r--test/passes/optimize-instructions_all-features.wast214
1 files changed, 213 insertions, 1 deletions
diff --git a/test/passes/optimize-instructions_all-features.wast b/test/passes/optimize-instructions_all-features.wast
index c62f0bc42..2790cc9ea 100644
--- a/test/passes/optimize-instructions_all-features.wast
+++ b/test/passes/optimize-instructions_all-features.wast
@@ -3714,7 +3714,7 @@
)
)
)
- (func $select-on-const (param $x i32) (param $y i32)
+ (func $select-on-const (param $x i32) (param $y i64)
(drop
(select
(i32.const 2)
@@ -3765,6 +3765,200 @@
(i32.const 1)
)
)
+ (drop
+ (select
+ (i32.const 1)
+ (i32.const 0)
+ (local.get $x)
+ )
+ )
+ (drop
+ (select
+ (i32.const 0)
+ (i32.const 1)
+ (local.get $x)
+ )
+ )
+ (drop
+ (select
+ (i32.const 0)
+ (i32.const 1)
+ (i32.lt_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i32.const 1)
+ (i32.const 0)
+ (i32.lt_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i32.const 0)
+ (i32.const 1)
+ (i32.ge_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i32.const 1)
+ (i32.const 0)
+ (i32.gt_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i32.const 0)
+ (i32.const 1)
+ (i32.gt_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i32.const 1)
+ (i32.const 0)
+ (i32.ge_s
+ (local.get $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 1)
+ (i64.const 0)
+ (local.get $x)
+ )
+ )
+ (drop
+ (select
+ (i64.const 0)
+ (i64.const 1)
+ (local.get $x)
+ )
+ )
+ (drop
+ (select
+ (i64.const 1)
+ (i64.const 0)
+ (i64.eqz
+ (local.get $y)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 0)
+ (i64.const 1)
+ (i64.eqz
+ (local.get $y)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 0)
+ (i64.const 1)
+ (i64.lt_s
+ (local.get $y)
+ (i64.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 1)
+ (i64.const 0)
+ (i64.lt_s
+ (local.get $y)
+ (i64.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 0)
+ (i64.const 1)
+ (i64.ge_s
+ (local.get $y)
+ (i64.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (i64.const 1)
+ (i64.const 0)
+ (i64.ge_s
+ (local.get $y)
+ (i64.const 0)
+ )
+ )
+ )
+ ;; optimize boolean
+ (drop
+ (select
+ (local.get $x)
+ (i32.const 0)
+ (i32.eqz
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (local.get $x)
+ (i32.const 2)
+ (i32.eqz
+ (i32.const 2)
+ )
+ )
+ )
+ (drop
+ (select
+ (local.get $x)
+ (i32.const 2)
+ (i32.eqz
+ (i32.eqz
+ (local.get $x)
+ )
+ )
+ )
+ )
+ (drop
+ (select
+ (local.get $y)
+ (i64.const 0)
+ (i64.eqz
+ (i64.const 0)
+ )
+ )
+ )
+ (drop
+ (select
+ (local.get $y)
+ (i64.const 2)
+ (i64.eqz
+ (i64.const 2)
+ )
+ )
+ )
)
(func $optimize-boolean (param $x i32)
(drop
@@ -4021,6 +4215,24 @@
(ref.null)
)
)
+ (func $optimize-boolean-context (param $x i32) (param $y i32)
+ ;; 0 - x ==> x
+ (if
+ (i32.sub
+ (i32.const 0)
+ (local.get $x)
+ )
+ (unreachable)
+ )
+ (drop (select
+ (local.get $x)
+ (local.get $y)
+ (i32.sub
+ (i32.const 0)
+ (local.get $x)
+ )
+ ))
+ )
)
(module
(import "env" "memory" (memory $0 (shared 256 256)))