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3343 lines (3315 loc) · 79.4 KB
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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; NOTE: This test was ported using port_passes_tests_to_lit.py and could be cleaned up.
;; RUN: foreach %s %t wasm-opt --coalesce-locals -S -o - | filecheck %s
(module
;; CHECK: (type $2 (func))
;; CHECK: (type $1 (func (result i32)))
;; CHECK: (type $4 (func (param i32)))
;; CHECK: (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
;; CHECK: (type $5 (func (param f64 i32) (result i64)))
;; CHECK: (type $3 (func (param i32 f32)))
;; CHECK: (type $FUNCSIG$iiii (func (param i32 i32 i32) (result i32)))
(type $FUNCSIG$iiii (func (param i32 i32 i32) (result i32)))
(type $FUNCSIG$iii (func (param i32 i32) (result i32)))
(type $2 (func))
(type $3 (func (param i32 f32)))
(type $4 (func (param i32)))
;; CHECK: (type $8 (func (param i32) (result i32)))
;; CHECK: (type $9 (func (param i32 i32)))
;; CHECK: (type $10 (func (result f64)))
;; CHECK: (import "env" "_emscripten_autodebug_i32" (func $_emscripten_autodebug_i32 (param i32 i32) (result i32)))
(import "env" "_emscripten_autodebug_i32" (func $_emscripten_autodebug_i32 (param i32 i32) (result i32)))
;; CHECK: (import "env" "get" (func $get (result i32)))
(import "env" "get" (func $get (result i32)))
;; CHECK: (import "env" "set" (func $set (param i32)))
(import "env" "set" (func $set (param i32)))
(memory 10)
;; CHECK: (memory $0 10)
;; CHECK: (func $nothing-to-do
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
(func $nothing-to-do (type $2)
(local $x i32)
(nop)
)
;; CHECK: (func $merge
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
(func $merge (type $2)
(local $x i32)
(local $y i32)
(nop)
)
;; CHECK: (func $leave-type
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 f32)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
(func $leave-type (type $2)
(local $x i32)
(local $y f32)
(nop)
)
;; CHECK: (func $leave-interfere
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $leave-interfere (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(local.set $y
(i32.const 1)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $almost-interfere
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $almost-interfere (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(drop
(local.get $x)
)
(local.set $y
(i32.const 0)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $redundant-copy
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $redundant-copy (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(local.set $y
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $ineffective-store
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $ineffective-store (type $2)
(local $x i32)
(local.set $x
(i32.const 0)
)
(local.set $x
(i32.const 0)
)
(drop
(local.get $x)
)
)
;; CHECK: (func $block
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (block $block0
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $block (type $2)
(local $x i32)
(block $block0
(local.set $x
(i32.const 0)
)
)
(drop
(local.get $x)
)
)
;; CHECK: (func $see-both-sides
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block $block0
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $see-both-sides (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(block $block0
(local.set $y
(i32.const 1)
)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $see-br-and-ignore-dead
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block $block
;; CHECK-NEXT: (br $block)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const -1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $see-br-and-ignore-dead (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(block $block
(br $block)
(local.set $y
(i32.const 0)
)
(drop
(local.get $y)
)
(local.set $x
(i32.const -1)
)
)
(drop
(local.get $x)
)
)
;; CHECK: (func $see-block-body
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (block $block
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $block)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $see-block-body (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(block $block
(local.set $y
(i32.const 1)
)
(drop
(local.get $y)
)
(br $block)
)
(drop
(local.get $x)
)
)
;; CHECK: (func $zero-init
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $zero-init (type $2)
(local $x i32)
(local $y i32)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $multi
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $multi (type $2)
(local $x i32)
(local $y i32)
(local $z i32)
(drop
(local.get $y)
)
(drop
(local.get $z)
)
)
;; CHECK: (func $if-else
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (else
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-else (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(drop
(local.get $x)
)
)
(else
(drop
(local.get $y)
)
)
)
)
;; CHECK: (func $if-else-parallel
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (else
;; CHECK-NEXT: (block $block3
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-else-parallel (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(block $block1
(local.set $x
(i32.const 0)
)
(drop
(local.get $x)
)
)
)
(else
(block $block3
(local.set $y
(i32.const 1)
)
(drop
(local.get $y)
)
)
)
)
)
;; CHECK: (func $if-else-after
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (else
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-else-after (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(local.set $x
(i32.const 0)
)
)
(else
(local.set $y
(i32.const 1)
)
)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if-else-through
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (else
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 2)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-else-through (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(local.set $y
(i32.const 1)
)
(if
(i32.const 0)
(then
(drop
(i32.const 1)
)
)
(else
(drop
(i32.const 2)
)
)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if-through
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-through (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(local.set $y
(i32.const 1)
)
(if
(i32.const 0)
(then
(drop
(i32.const 1)
)
)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if-through2
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-through2 (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 0)
)
(if
(i32.const 0)
(then
(local.set $y
(i32.const 1)
)
)
)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if-through3
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if-through3 (type $2)
(local $x i32)
(local $y i32)
(local.set $x
(i32.const 1)
)
(if
(i32.const 0)
(then
(block $block1
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
)
)
)
;; CHECK: (func $if2
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (local.tee $0
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if2 (type $2)
(local $x i32)
(local $y i32)
(if
(local.tee $x
(i32.const 1)
)
(then
(block $block1
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
)
)
)
;; CHECK: (func $if3
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if3 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(block $block1
(local.set $x
(i32.const 0)
)
(drop
(local.get $x)
)
)
)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if4
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if4 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(block $block1
(local.set $x
(i32.const 0)
)
(drop
(local.get $x)
)
(local.set $y
(i32.const 1)
)
)
)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if5
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if5 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(block $block1
;; These locals can be coalesced together: $x's live range ends here,
;; and $y's begins right after it, so they do not have an overlap with
;; a different value.
(drop
(local.get $x)
)
(local.set $y
(i32.const 1)
)
)
)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $if5-flip
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (if
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: (then
;; CHECK-NEXT: (block $block1
;; CHECK-NEXT: (local.set $1
;; CHECK-NEXT: (i32.const 1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $if5-flip (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
(then
(block $block1
;; As above, but flipping these two instructions causes a conflict.
(local.set $y
(i32.const 1)
)
(drop
(local.get $x)
)
)
)
)
(drop
(local.get $y)
)
)
;; CHECK: (func $loop
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (local $1 i32)
;; CHECK-NEXT: (loop $in
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $1)
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $in)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $loop (type $2)
(local $x i32)
(local $y i32)
(loop $in
(drop
(local.get $x)
)
(local.set $x
(i32.const 0)
)
(drop
(local.get $y)
)
(br $in)
)
)
;; CHECK: (func $interfere-in-dead
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (block $block
;; CHECK-NEXT: (br $block)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $interfere-in-dead (type $2)
(local $x i32)
(local $y i32)
(block $block
(br $block)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
)
;; CHECK: (func $interfere-in-dead2
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (block $block
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $interfere-in-dead2 (type $2)
(local $x i32)
(local $y i32)
(block $block
(unreachable)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
)
;; CHECK: (func $interfere-in-dead3
;; CHECK-NEXT: (local $0 i32)
;; CHECK-NEXT: (block $block
;; CHECK-NEXT: (return)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $interfere-in-dead3 (type $2)
(local $x i32)
(local $y i32)
(block $block
(return)
(drop
(local.get $x)
)
(drop
(local.get $y)
)
)
)
;; CHECK: (func $params (param $0 i32) (param $1 f32)
;; CHECK-NEXT: (local $2 i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $2)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $2)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (local.get $2)
;; CHECK-NEXT: )