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;; RUN: foreach %s %t wasm-opt -O2 --coalesce-locals --skip-pass=coalesce-locals -S -o - 2>&1 | filecheck %s
;; We should skip coalese-locals even though it is run in -O2 and also we ask to
;; run it directly: the skip instruction overrides everything else.
;; There should also be no warning in the output.
;; CHECK-NOT: warning:
(module
;; CHECK: (type $0 (func (param i32 i32)))
;; CHECK: (type $1 (func (param i32)))
;; CHECK: (import "a" "b" (func $log (param i32 i32)))
(import "a" "b" (func $log (param i32 i32)))
(func $foo (export "foo") (param $p i32)
;; The locals $x and $y can be coalesced into a single local, but as we do not
;; run that pass, they will not be. Other minor optimizations will occur here,
;; such as using a tee.
(local $x i32)
(local $y i32)
(local.set $x
(i32.add
(local.get $p)
(i32.const 1)
)
)
(call $log
(local.get $x)
(local.get $x)
)
(local.set $y
(i32.add
(local.get $p)
(i32.const 1)
)
)
(call $log
(local.get $y)
(local.get $y)
)
)
)
;; CHECK: (export "foo" (func $foo))
;; CHECK: (func $foo (param $p i32)
;; CHECK-NEXT: (local $x i32)
;; CHECK-NEXT: (local $y i32)
;; CHECK-NEXT: (call $log
;; CHECK-NEXT: (local.tee $x
;; CHECK-NEXT: (i32.add
;; CHECK-NEXT: (local.get $p)
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.get $x)
;; CHECK-NEXT: )
;; CHECK-NEXT: (call $log
;; CHECK-NEXT: (local.tee $y
;; CHECK-NEXT: (i32.add
;; CHECK-NEXT: (local.get $p)
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.get $y)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
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