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Initial type parameter inference, see #61

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This catches the most common cases but doesn't yet implement inference involving the return type because some prequesites are not yet in place (see test case).
This commit is contained in:
dcodeIO
2018-04-13 12:25:27 +02:00
parent 748e811137
commit ee73a4d28f
11 changed files with 385 additions and 43 deletions
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111
tests/compiler/call-inferred.untouched.wat Normal file
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@ -0,0 +1,111 @@
(module
(type $ii (func (param i32) (result i32)))
(type $iiiiv (func (param i32 i32 i32 i32)))
(type $FF (func (param f64) (result f64)))
(type $ff (func (param f32) (result f32)))
(type $v (func))
(import "env" "abort" (func $abort (param i32 i32 i32 i32)))
(global $HEAP_BASE i32 (i32.const 40))
(memory $0 1)
(data (i32.const 4) "\10\00\00\00c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s\00")
(export "memory" (memory $0))
(start $start)
(func $call-inferred/foo<i32> (; 1 ;) (type $ii) (param $0 i32) (result i32)
(return
(get_local $0)
)
)
(func $call-inferred/foo<f64> (; 2 ;) (type $FF) (param $0 f64) (result f64)
(return
(get_local $0)
)
)
(func $call-inferred/foo<f32> (; 3 ;) (type $ff) (param $0 f32) (result f32)
(return
(get_local $0)
)
)
(func $call-inferred/bar<f32> (; 4 ;) (type $ff) (param $0 f32) (result f32)
(return
(get_local $0)
)
)
(func $start (; 5 ;) (type $v)
(if
(i32.eqz
(i32.eq
(call $call-inferred/foo<i32>
(i32.const 42)
)
(i32.const 42)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 5)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f64.eq
(call $call-inferred/foo<f64>
(f64.const 42)
)
(f64.const 42)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 6)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.eq
(call $call-inferred/foo<f32>
(f32.const 42)
)
(f32.const 42)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 7)
(i32.const 0)
)
(unreachable)
)
)
(if
(i32.eqz
(f32.eq
(call $call-inferred/bar<f32>
(f32.const 42)
)
(f32.const 42)
)
)
(block
(call $abort
(i32.const 0)
(i32.const 4)
(i32.const 13)
(i32.const 0)
)
(unreachable)
)
)
)
)