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;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --coalesce-locals -all -S -o - | filecheck %s
(module
;; CHECK: (tag $e)
(tag $e)
;; CHECK: (tag $any (param (ref any)))
(tag $any (param (ref any)))
;; CHECK: (func $bar (type $2) (result i32)
;; CHECK-NEXT: (i32.const 1984)
;; CHECK-NEXT: )
(func $bar (result i32)
(i32.const 1984)
)
;; CHECK: (func $bug-cfg-traversal (type $3) (param $0 i32) (result i32)
;; CHECK-NEXT: (block $tryend
;; CHECK-NEXT: (block $catch
;; CHECK-NEXT: (try_table (catch_all $catch)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (call $bar)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $tryend)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
(func $bug-cfg-traversal (param $0 i32) (result i32)
(local $x i32)
;; This is a regression test case for a bug in cfg-traversal for EH.
;; See https://github.com/WebAssembly/binaryen/pull/3594
(block $tryend
(block $catch
(try_table (catch_all $catch)
(local.set $x
;; the call may or may not throw, so we may reach the get of $x
(call $bar)
)
)
(br $tryend)
)
(unreachable)
)
(local.get $x)
)
;; CHECK: (func $0 (type $0)
;; CHECK-NEXT: (local $0 anyref)
;; CHECK-NEXT: (block $tryend
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (block (result anyref)
;; CHECK-NEXT: (block $catch (result (ref any))
;; CHECK-NEXT: (try_table (catch $any $catch)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $tryend)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $0
(local $0 (ref null any))
(block $tryend
(drop
;; There is a difference between the type of the value here and the type
;; of the local, due to the local being nullable. We should not error on
;; that as we replace the tee with a drop (as it has no gets).
(local.tee $0
(block $catch (result (ref any))
(try_table (catch $any $catch)
(nop)
)
(br $tryend)
)
)
)
)
)
)
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