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Improve inlining where locals can be aliased; Add a crude mechanism for explicit unchecked array accesses

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The `unchecked` builtin should be handled with ultimate care and it would be a lot better if there'd be a mechanism doing this automatically.
This commit is contained in:
dcodeIO
2018-04-25 05:04:35 +02:00
parent 391db28fe2
commit 6d6d1dddcf
47 changed files with 5374 additions and 15672 deletions
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136
tests/compiler/std/static-array.untouched.wat
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@ -63,12 +63,16 @@
(i32.const 2)
)
)
(i32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
(block $~lib/internal/arraybuffer/loadUnsafe<i32,i32>|inlined.0 (result i32)
(br $~lib/internal/arraybuffer/loadUnsafe<i32,i32>|inlined.0
(i32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
)
)
)
@ -2878,7 +2882,7 @@
(call $abort
(i32.const 0)
(i32.const 180)
(i32.const 81)
(i32.const 86)
(i32.const 41)
)
(unreachable)
@ -2909,15 +2913,17 @@
)
)
)
(i32.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 2)
(block $~lib/internal/arraybuffer/storeUnsafe<i32,i32>|inlined.0
(i32.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
(get_local $2)
)
(get_local $2)
)
)
(func $~lib/array/Array<i64>#get:length (; 11 ;) (type $ii) (param $0 i32) (result i32)
@ -2945,12 +2951,16 @@
(i32.const 3)
)
)
(i64.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 3)
(block $~lib/internal/arraybuffer/loadUnsafe<i64,i64>|inlined.0 (result i64)
(br $~lib/internal/arraybuffer/loadUnsafe<i64,i64>|inlined.0
(i64.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 3)
)
)
)
)
)
@ -2990,7 +3000,7 @@
(call $abort
(i32.const 0)
(i32.const 180)
(i32.const 81)
(i32.const 86)
(i32.const 41)
)
(unreachable)
@ -3021,15 +3031,17 @@
)
)
)
(i64.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 3)
(block $~lib/internal/arraybuffer/storeUnsafe<i64,i64>|inlined.0
(i64.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 3)
)
)
(get_local $2)
)
(get_local $2)
)
)
(func $~lib/array/Array<f32>#get:length (; 14 ;) (type $ii) (param $0 i32) (result i32)
@ -3057,12 +3069,16 @@
(i32.const 2)
)
)
(f32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
(block $~lib/internal/arraybuffer/loadUnsafe<f32,f32>|inlined.0 (result f32)
(br $~lib/internal/arraybuffer/loadUnsafe<f32,f32>|inlined.0
(f32.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
)
)
)
@ -3102,7 +3118,7 @@
(call $abort
(i32.const 0)
(i32.const 180)
(i32.const 81)
(i32.const 86)
(i32.const 41)
)
(unreachable)
@ -3133,15 +3149,17 @@
)
)
)
(f32.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 2)
(block $~lib/internal/arraybuffer/storeUnsafe<f32,f32>|inlined.0
(f32.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 2)
)
)
(get_local $2)
)
(get_local $2)
)
)
(func $~lib/array/Array<f64>#get:length (; 17 ;) (type $ii) (param $0 i32) (result i32)
@ -3169,12 +3187,16 @@
(i32.const 3)
)
)
(f64.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 3)
(block $~lib/internal/arraybuffer/loadUnsafe<f64,f64>|inlined.0 (result f64)
(br $~lib/internal/arraybuffer/loadUnsafe<f64,f64>|inlined.0
(f64.load offset=8
(i32.add
(get_local $2)
(i32.shl
(get_local $1)
(i32.const 3)
)
)
)
)
)
@ -3214,7 +3236,7 @@
(call $abort
(i32.const 0)
(i32.const 180)
(i32.const 81)
(i32.const 86)
(i32.const 41)
)
(unreachable)
@ -3245,15 +3267,17 @@
)
)
)
(f64.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 3)
(block $~lib/internal/arraybuffer/storeUnsafe<f64,f64>|inlined.0
(f64.store offset=8
(i32.add
(get_local $3)
(i32.shl
(get_local $1)
(i32.const 3)
)
)
(get_local $2)
)
(get_local $2)
)
)
(func $start (; 20 ;) (type $v)