summaryrefslogtreecommitdiff
path: root/test/passes/optimize-instructions.wast
diff options
context:
space:
mode:
authorAlon Zakai <alonzakai@gmail.com>2018-02-14 08:06:52 -0800
committerGitHub <noreply@github.com>2018-02-14 08:06:52 -0800
commite97d485bb1f1818e2c2118d28507d49cb61ea57b (patch)
treee1ef9db3f9b95ba4d279ec6c421e0b1c4f2a3b22 /test/passes/optimize-instructions.wast
parent41faf2409f3e1d8d2dcaf456141f4ce6ac6a3d75 (diff)
downloadbinaryen-e97d485bb1f1818e2c2118d28507d49cb61ea57b.tar.gz
binaryen-e97d485bb1f1818e2c2118d28507d49cb61ea57b.tar.bz2
binaryen-e97d485bb1f1818e2c2118d28507d49cb61ea57b.zip
More simple math opts (#1414)
* optimize more simple math operations: mul of 0, or of 0, and of 0, mul of 1, mul of a power of 2, urem of a power of 2 * fix asm2wasm callImport parsing: the optimizer may get rid of the added offset to a function table * update js builds
Diffstat (limited to 'test/passes/optimize-instructions.wast')
-rw-r--r--test/passes/optimize-instructions.wast131
1 files changed, 131 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast
index 60bfc9b7d..5d1ba7308 100644
--- a/test/passes/optimize-instructions.wast
+++ b/test/passes/optimize-instructions.wast
@@ -2707,6 +2707,137 @@
)
)
)
+ (func $mul-power-2 (param $x i32) (result i32)
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 4)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 5)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 1)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (call $mul-power-2 (i32.const 123)) ;; side effects
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 0xffffffff)
+ )
+ )
+ )
+ (drop
+ (call $mul-power-2
+ (i32.mul
+ (get_local $x)
+ (i32.const 0x80000000)
+ )
+ )
+ )
+ (unreachable)
+ )
+ (func $urem-power-2 (param $x i32) (result i32)
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 4)
+ )
+ )
+ )
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 5)
+ )
+ )
+ )
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 1)
+ )
+ )
+ )
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 0)
+ )
+ )
+ )
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 0xffffffff)
+ )
+ )
+ )
+ (drop
+ (call $urem-power-2
+ (i32.rem_u
+ (get_local $x)
+ (i32.const 0x80000000)
+ )
+ )
+ )
+ (unreachable)
+ )
+ (func $orZero (param $0 i32) (result i32)
+ (i32.or
+ (get_local $0)
+ (i32.const 0)
+ )
+ )
+ (func $andZero (param $0 i32) (result i32)
+ (drop
+ (i32.and
+ (get_local $0)
+ (i32.const 0)
+ )
+ )
+ (drop
+ (i32.and
+ (call $andZero (i32.const 1234)) ;; side effects
+ (i32.const 0)
+ )
+ )
+ (unreachable)
+ )
)
(module
(import "env" "memory" (memory $0 (shared 256 256)))