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author | Max Graey <maxgraey@gmail.com> | 2021-10-05 19:06:15 +0300 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-10-05 16:06:15 +0000 |
commit | 653b9d028c12361d3e9e0c4008f8018990b765cb (patch) | |
tree | 04fd27a6cfffdbc702a77f62af9c9eef6c3e311f /test/lit/passes/Oz.wast | |
parent | 6feb8838887d21f2412176f7fdc1ab68b0e5c23d (diff) | |
download | binaryen-653b9d028c12361d3e9e0c4008f8018990b765cb.tar.gz binaryen-653b9d028c12361d3e9e0c4008f8018990b765cb.tar.bz2 binaryen-653b9d028c12361d3e9e0c4008f8018990b765cb.zip |
[OptimizeInstructions] Fold select into zero or single expression for some patterns (#4181)
i32(x) ? i32(x) : 0 ==> x
i32(x) ? 0 : i32(x) ==> {x, 0}
i64(x) == 0 ? 0 : i64(x) ==> x
i64(x) != 0 ? i64(x) : 0 ==> x
i64(x) == 0 ? i64(x) : 0 ==> {x, 0}
i64(x) != 0 ? 0 : i64(x) ==> {x, 0}
Diffstat (limited to 'test/lit/passes/Oz.wast')
-rw-r--r-- | test/lit/passes/Oz.wast | 128 |
1 files changed, 126 insertions, 2 deletions
diff --git a/test/lit/passes/Oz.wast b/test/lit/passes/Oz.wast index 82c441213..eabcf9aff 100644 --- a/test/lit/passes/Oz.wast +++ b/test/lit/passes/Oz.wast @@ -5,10 +5,10 @@ (module (memory 100 100) - ;; CHECK: (type $i32_=>_i32 (func (param i32) (result i32))) - ;; CHECK: (type $i32_i32_=>_i32 (func (param i32 i32) (result i32))) + ;; CHECK: (type $i32_=>_i32 (func (param i32) (result i32))) + ;; CHECK: (type $i32_i32_i32_i32_=>_i32 (func (param i32 i32 i32 i32) (result i32))) ;; CHECK: (memory $0 100 100) @@ -21,6 +21,18 @@ ;; CHECK: (export "propagate-sign-for-mul-i32-smin" (func $10)) + ;; CHECK: (export "eliminate-redundant-checks-1" (func $11)) + + ;; CHECK: (export "eliminate-redundant-checks-1a" (func $11)) + + ;; CHECK: (export "eliminate-redundant-checks-2" (func $12)) + + ;; CHECK: (export "eliminate-redundant-checks-2a" (func $12)) + + ;; CHECK: (export "eliminate-redundant-checks-skip-1" (func $13)) + + ;; CHECK: (export "eliminate-redundant-checks-skip-2" (func $14)) + ;; CHECK: (func $basics (; has Stack IR ;) (param $0 i32) (param $1 i32) (result i32) ;; CHECK-NEXT: (i32.add ;; CHECK-NEXT: (local.tee $0 @@ -150,4 +162,116 @@ (i32.const 0x80000000) ) ) + + ;; CHECK: (func $11 (; has Stack IR ;) (param $0 i32) (result i32) + ;; CHECK-NEXT: (if + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: (return + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + (func $11 (export "eliminate-redundant-checks-1") (param $0 i32) (result i32) + (if + (local.get $0) + (if + (local.get $0) + (return (local.get $0)) + ) + ) + (i32.const 0) + ) + (func $11a (export "eliminate-redundant-checks-1a") (param $0 i32) (result i32) + (if + (select + (local.get $0) + (i32.const 0) + (local.get $0) + ) + (return (local.get $0)) + ) + (i32.const 0) + ) + ;; CHECK: (func $12 (; has Stack IR ;) (param $0 i32) (param $1 i32) (result i32) + ;; CHECK-NEXT: (if + ;; CHECK-NEXT: (local.tee $1 + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (return + ;; CHECK-NEXT: (local.get $1) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + (func $12 (export "eliminate-redundant-checks-2") (param $0 i32) (param $1 i32) (result i32) + (if + (local.tee $1 (local.get $0)) + (if + (local.get $1) + (return (local.get $1)) + ) + ) + (i32.const 0) + ) + (func $12a (export "eliminate-redundant-checks-2a") (param $0 i32) (param $1 i32) (result i32) + (if + (select + (local.tee $1 (local.get $0)) + (i32.const 0) + (local.get $1) + ) + (return (local.get $1)) + ) + (i32.const 0) + ) + ;; CHECK: (func $13 (; has Stack IR ;) (param $0 i32) (param $1 i32) (result i32) + ;; CHECK-NEXT: (if + ;; CHECK-NEXT: (select + ;; CHECK-NEXT: (local.get $1) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (return + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + (func $13 (export "eliminate-redundant-checks-skip-1") (param $0 i32) (param $1 i32) (result i32) + (if + (select + (local.get $1) + (i32.const 0) + (local.tee $1 (local.get $0)) + ) + (return (local.get $1)) + ) + (i32.const 0) + ) + + ;; CHECK: (func $14 (; has Stack IR ;) (param $0 i32) (param $1 i32) (result i32) + ;; CHECK-NEXT: (if + ;; CHECK-NEXT: (select + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: (local.get $1) + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (return + ;; CHECK-NEXT: (local.get $0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + (func $14 (export "eliminate-redundant-checks-skip-2") (param $0 i32) (param $1 i32) (result i32) + (if + (select + (i32.const 0) + (local.get $1) + (local.tee $1 (local.get $0)) + ) + (return (local.get $1)) + ) + (i32.const 0) + ) ) |