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|
;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --remove-unused-brs -all -S --shrink-level=0 -o - | filecheck %s --check-prefix=SHRINK_0
;; RUN: wasm-opt %s --remove-unused-brs -all -S --shrink-level=1 -o - | filecheck %s --check-prefix=SHRINK_1
;; RUN: wasm-opt %s --remove-unused-brs -all -S --shrink-level=2 -o - | filecheck %s --check-prefix=SHRINK_2
(module
;; SHRINK_0: (type $struct (sub (struct)))
;; SHRINK_1: (type $struct (sub (struct)))
;; SHRINK_2: (type $struct (sub (struct)))
(type $struct (sub (struct)))
;; SHRINK_0: (type $substruct (sub $struct (struct)))
;; SHRINK_1: (type $substruct (sub $struct (struct)))
;; SHRINK_2: (type $substruct (sub $struct (struct)))
(type $substruct (sub $struct (struct)))
;; SHRINK_0: (func $selectify-division (type $2) (param $x i32) (result i32)
;; SHRINK_0-NEXT: (if (result i32)
;; SHRINK_0-NEXT: (i32.eq
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: (i32.const 53498923)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (then
;; SHRINK_0-NEXT: (i32.div_s
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: (i32.const 13)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (else
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_1: (func $selectify-division (type $2) (param $x i32) (result i32)
;; SHRINK_1-NEXT: (select
;; SHRINK_1-NEXT: (i32.div_s
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: (i32.const 13)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: (i32.eq
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: (i32.const 53498923)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_2: (func $selectify-division (type $2) (param $x i32) (result i32)
;; SHRINK_2-NEXT: (select
;; SHRINK_2-NEXT: (i32.div_s
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.const 13)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.eq
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.const 53498923)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
(func $selectify-division (param $x i32) (result i32)
;; See #5983: this if, if turned into a select, becomes almost 5x slower.
;; We only want to selectify here when the shrink level is 1 or 2.
(if (result i32)
(i32.eq
(local.get $x)
(i32.const 53498923)
)
(then
(i32.div_s
(local.get $x)
(i32.const 13)
)
)
(else
(local.get $x)
)
)
)
;; SHRINK_0: (func $selectify-division2 (type $2) (param $x i32) (result i32)
;; SHRINK_0-NEXT: (if (result i32)
;; SHRINK_0-NEXT: (i32.eq
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: (i32.const 53498923)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (then
;; SHRINK_0-NEXT: (i32.div_s
;; SHRINK_0-NEXT: (i32.div_s
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: (i32.const 13)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (i32.const 13)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (else
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_1: (func $selectify-division2 (type $2) (param $x i32) (result i32)
;; SHRINK_1-NEXT: (if (result i32)
;; SHRINK_1-NEXT: (i32.eq
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: (i32.const 53498923)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (then
;; SHRINK_1-NEXT: (i32.div_s
;; SHRINK_1-NEXT: (i32.div_s
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: (i32.const 13)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (i32.const 13)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (else
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_2: (func $selectify-division2 (type $2) (param $x i32) (result i32)
;; SHRINK_2-NEXT: (select
;; SHRINK_2-NEXT: (i32.div_s
;; SHRINK_2-NEXT: (i32.div_s
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.const 13)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (i32.const 13)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.eq
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: (i32.const 53498923)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
(func $selectify-division2 (param $x i32) (result i32)
;; As above, but now only with a shrink level of 2 should we selectify, as
;; there are two divisions.
(if (result i32)
(i32.eq
(local.get $x)
(i32.const 53498923)
)
(then
(i32.div_s
(i32.div_s
(local.get $x)
(i32.const 13)
)
(i32.const 13)
)
)
(else
(local.get $x)
)
)
)
;; SHRINK_0: (func $if-tests (type $3) (param $x (ref $struct)) (param $y (ref $struct)) (result i32)
;; SHRINK_0-NEXT: (if (result i32)
;; SHRINK_0-NEXT: (ref.test (ref $substruct)
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (then
;; SHRINK_0-NEXT: (ref.test (ref $substruct)
;; SHRINK_0-NEXT: (local.get $y)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (else
;; SHRINK_0-NEXT: (i32.const 0)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_1: (func $if-tests (type $3) (param $x (ref $struct)) (param $y (ref $struct)) (result i32)
;; SHRINK_1-NEXT: (select
;; SHRINK_1-NEXT: (ref.test (ref $substruct)
;; SHRINK_1-NEXT: (local.get $y)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (i32.const 0)
;; SHRINK_1-NEXT: (ref.test (ref $substruct)
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_2: (func $if-tests (type $3) (param $x (ref $struct)) (param $y (ref $struct)) (result i32)
;; SHRINK_2-NEXT: (select
;; SHRINK_2-NEXT: (ref.test (ref $substruct)
;; SHRINK_2-NEXT: (local.get $y)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (i32.const 0)
;; SHRINK_2-NEXT: (ref.test (ref $substruct)
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
(func $if-tests (param $x (ref $struct)) (param $y (ref $struct)) (result i32)
;; An If with a test in one arm (and also in a condition). We do not
;; normally turn this into a Select, as the test is more costly than the If.
;; But we do so when optimizing for size.
;;
;; TODO: Consider optimizing this because the other arm is a 0, which means
;; the Select can turn into an And later.
(if (result i32)
(ref.test (ref $substruct)
(local.get $x)
)
(then
(ref.test (ref $substruct)
(local.get $y)
)
)
(else
(i32.const 0)
)
)
)
;; SHRINK_0: (func $if-tests-arms (type $4) (param $x (ref $struct)) (param $y (ref $struct)) (param $z (ref $struct)) (result i32)
;; SHRINK_0-NEXT: (if (result i32)
;; SHRINK_0-NEXT: (ref.test (ref $substruct)
;; SHRINK_0-NEXT: (local.get $x)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (then
;; SHRINK_0-NEXT: (ref.test (ref $substruct)
;; SHRINK_0-NEXT: (local.get $y)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: (else
;; SHRINK_0-NEXT: (ref.test (ref $substruct)
;; SHRINK_0-NEXT: (local.get $z)
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_0-NEXT: )
;; SHRINK_1: (func $if-tests-arms (type $4) (param $x (ref $struct)) (param $y (ref $struct)) (param $z (ref $struct)) (result i32)
;; SHRINK_1-NEXT: (select
;; SHRINK_1-NEXT: (ref.test (ref $substruct)
;; SHRINK_1-NEXT: (local.get $y)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (ref.test (ref $substruct)
;; SHRINK_1-NEXT: (local.get $z)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: (ref.test (ref $substruct)
;; SHRINK_1-NEXT: (local.get $x)
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_1-NEXT: )
;; SHRINK_2: (func $if-tests-arms (type $4) (param $x (ref $struct)) (param $y (ref $struct)) (param $z (ref $struct)) (result i32)
;; SHRINK_2-NEXT: (select
;; SHRINK_2-NEXT: (ref.test (ref $substruct)
;; SHRINK_2-NEXT: (local.get $y)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (ref.test (ref $substruct)
;; SHRINK_2-NEXT: (local.get $z)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: (ref.test (ref $substruct)
;; SHRINK_2-NEXT: (local.get $x)
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
;; SHRINK_2-NEXT: )
(func $if-tests-arms (param $x (ref $struct)) (param $y (ref $struct)) (param $z (ref $struct)) (result i32)
;; As above but now with a test in both arms. The outcomes are the same.
(if (result i32)
(ref.test (ref $substruct)
(local.get $x)
)
(then
(ref.test (ref $substruct)
(local.get $y)
)
)
(else
(ref.test (ref $substruct)
(local.get $z)
)
)
)
)
)
|
