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| author | Alon Zakai (kripken) <alonzakai@gmail.com> | 2017-02-13 14:15:48 -0800 |
|---|---|---|
| committer | Alon Zakai (kripken) <alonzakai@gmail.com> | 2017-02-16 22:45:39 -0800 |
| commit | 04d38f6f881b16a014c47e897a4590d76ec548ff (patch) | |
| tree | b83569be07ccb148331da81591a1f5fde7ecbfaa /test | |
| parent | f05efb982f8472c1dd6beb0e8dbc8afc73e82fcb (diff) | |
| download | binaryen-04d38f6f881b16a014c47e897a4590d76ec548ff.tar.gz binaryen-04d38f6f881b16a014c47e897a4590d76ec548ff.tar.bz2 binaryen-04d38f6f881b16a014c47e897a4590d76ec548ff.zip | |
remove unneeded masks using getMaxBits
Diffstat (limited to 'test')
| -rw-r--r-- | test/emcc_hello_world.fromasm | 20 | ||||
| -rw-r--r-- | test/emcc_hello_world.fromasm.imprecise | 20 | ||||
| -rw-r--r-- | test/passes/optimize-instructions.txt | 54 | ||||
| -rw-r--r-- | test/passes/optimize-instructions.wast | 66 |
4 files changed, 134 insertions, 26 deletions
diff --git a/test/emcc_hello_world.fromasm b/test/emcc_hello_world.fromasm index 78f0460fa..88db1c1ce 100644 --- a/test/emcc_hello_world.fromasm +++ b/test/emcc_hello_world.fromasm @@ -1941,14 +1941,11 @@ (i32.load8_u (get_local $2) ) - (i32.and - (tee_local $1 - (i32.and - (get_local $1) - (i32.const 255) - ) + (tee_local $1 + (i32.and + (get_local $1) + (i32.const 255) ) - (i32.const 255) ) ) (block @@ -9393,13 +9390,10 @@ (i32.shl (get_local $8) (i32.xor - (i32.and - (tee_local $6 - (i32.eqz - (get_local $9) - ) + (tee_local $6 + (i32.eqz + (get_local $9) ) - (i32.const 1) ) (i32.const 1) ) diff --git a/test/emcc_hello_world.fromasm.imprecise b/test/emcc_hello_world.fromasm.imprecise index ba1a50ca7..5ed229e6f 100644 --- a/test/emcc_hello_world.fromasm.imprecise +++ b/test/emcc_hello_world.fromasm.imprecise @@ -1938,14 +1938,11 @@ (i32.load8_u (get_local $2) ) - (i32.and - (tee_local $1 - (i32.and - (get_local $1) - (i32.const 255) - ) + (tee_local $1 + (i32.and + (get_local $1) + (i32.const 255) ) - (i32.const 255) ) ) (block @@ -9330,13 +9327,10 @@ (i32.shl (get_local $8) (i32.xor - (i32.and - (tee_local $6 - (i32.eqz - (get_local $9) - ) + (tee_local $6 + (i32.eqz + (get_local $9) ) - (i32.const 1) ) (i32.const 1) ) diff --git a/test/passes/optimize-instructions.txt b/test/passes/optimize-instructions.txt index 3b4718f6a..31dceaf60 100644 --- a/test/passes/optimize-instructions.txt +++ b/test/passes/optimize-instructions.txt @@ -1290,4 +1290,58 @@ ) ) ) + (func $mask-bits (type $4) (param $0 i32) (param $1 i32) + (drop + (tee_local $0 + (i32.const 127) + ) + ) + (drop + (tee_local $0 + (i32.const 128) + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 254) + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 1279) + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 1290) + ) + ) + (drop + (tee_local $0 + (i32.const 128) + ) + ) + (drop + (tee_local $0 + (i32.const 128) + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 127) + ) + ) + ) ) diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast index f8c93d03c..c305ccbbb 100644 --- a/test/passes/optimize-instructions.wast +++ b/test/passes/optimize-instructions.wast @@ -1625,4 +1625,70 @@ ) ) ) + (func $mask-bits (param $0 i32) (param $1 i32) + (drop + (i32.and + (tee_local $0 + (i32.const 127) ;; 7 bits + ) + (i32.const 255) ;; mask 8, so we don't need this + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) ;; 8 bits + ) + (i32.const 255) ;; mask 8, so we don't need this + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 254) ;; improper mask, small + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 1279) ;; improper mask, large + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 1290) ;; improper mask, large + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 4095) ;; proper mask, huge + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 511) ;; proper mask, large + ) + ) + (drop + (i32.and + (tee_local $0 + (i32.const 128) + ) + (i32.const 127) ;; proper mask, just too small + ) + ) + ) ) |