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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; RUN: foreach %s %t wasm-opt -all --gufa -S -o - | filecheck %s --check-prefix NO_OPT
;; RUN: foreach %s %t wasm-opt -all --gufa-optimizing -S -o - | filecheck %s --check-prefix DO_OPT
;; Compare the results of gufa and gufa-optimizing. The optimizing variant will
;; remove unneeded extra code that gufa might introduce, like dropped unneeded
;; things.
(module
;; NO_OPT: (type $0 (func (result i32)))
;; NO_OPT: (func $foo (type $0) (result i32)
;; NO_OPT-NEXT: (i32.const 1)
;; NO_OPT-NEXT: )
;; DO_OPT: (type $0 (func (result i32)))
;; DO_OPT: (func $foo (type $0) (result i32)
;; DO_OPT-NEXT: (i32.const 1)
;; DO_OPT-NEXT: )
(func $foo (result i32)
;; Helper function.
(i32.const 1)
)
;; NO_OPT: (func $bar (type $0) (result i32)
;; NO_OPT-NEXT: (drop
;; NO_OPT-NEXT: (block $out (result i32)
;; NO_OPT-NEXT: (block (result i32)
;; NO_OPT-NEXT: (drop
;; NO_OPT-NEXT: (block $in (result i32)
;; NO_OPT-NEXT: (block (result i32)
;; NO_OPT-NEXT: (drop
;; NO_OPT-NEXT: (call $foo)
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: (i32.const 1)
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: (i32.const 1)
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: )
;; NO_OPT-NEXT: (i32.const 1)
;; NO_OPT-NEXT: )
;; DO_OPT: (func $bar (type $0) (result i32)
;; DO_OPT-NEXT: (drop
;; DO_OPT-NEXT: (call $foo)
;; DO_OPT-NEXT: )
;; DO_OPT-NEXT: (i32.const 1)
;; DO_OPT-NEXT: )
(func $bar (result i32)
;; GUFA infers a constant value for each block here, adding multiple
;; constants of 1 and dropped earlier values. The optimizing variant of this
;; pass will avoid all that and just emit minimal code here (a drop of the
;; call followed by the value we inferred for it, 1).
(block $out (result i32)
(block $in (result i32)
(call $foo)
)
)
)
)
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