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-rw-r--r--test/passes/coalesce-locals.wast768
1 files changed, 538 insertions, 230 deletions
diff --git a/test/passes/coalesce-locals.wast b/test/passes/coalesce-locals.wast
index a7cd6adc1..568b3741c 100644
--- a/test/passes/coalesce-locals.wast
+++ b/test/passes/coalesce-locals.wast
@@ -1,288 +1,472 @@
(module
(memory 10)
(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)))
(import $_emscripten_autodebug_i32 "env" "_emscripten_autodebug_i32" (param i32 i32) (result i32))
- (table)
- (func $nothing-to-do
+ (func $nothing-to-do (type $2)
(local $x i32)
+ (nop)
)
- (func $merge
+ (func $merge (type $2)
(local $x i32)
(local $y i32)
+ (nop)
)
- (func $leave-type
+ (func $leave-type (type $2)
(local $x i32)
(local $y f32)
+ (nop)
)
- (func $leave-interfere
+ (func $leave-interfere (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (set_local $y (i32.const 0))
- (get_local $x)
- (get_local $y)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
- (func $almost-interfere
+ (func $almost-interfere (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (get_local $x)
- (set_local $y (i32.const 0))
- (get_local $y)
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
+ (set_local $y
+ (i32.const 0)
+ )
+ (drop
+ (get_local $y)
+ )
)
- (func $redundant-copy
+ (func $redundant-copy (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (set_local $y (get_local $x))
- (get_local $y)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
- (func $ineffective-store
+ (func $ineffective-store (type $2)
(local $x i32)
- (set_local $x (i32.const 0))
- (set_local $x (i32.const 0))
- (get_local $x)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
)
- (func $block
+ (func $block (type $2)
(local $x i32)
- (block
- (set_local $x (i32.const 0))
+ (block $block0
+ (set_local $x
+ (i32.const 0)
+ )
+ )
+ (drop
+ (get_local $x)
)
- (get_local $x)
)
- (func $see-both-sides
+ (func $see-both-sides (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (block
- (set_local $y (i32.const 0))
+ (set_local $x
+ (i32.const 0)
+ )
+ (block $block0
+ (set_local $y
+ (i32.const 0)
+ )
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
)
- (get_local $x)
- (get_local $y)
)
- (func $see-br-and-ignore-dead
+ (func $see-br-and-ignore-dead (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
+ (set_local $x
+ (i32.const 0)
+ )
(block $block
(br $block)
- (set_local $y (i32.const 0))
- (get_local $y)
- (set_local $x (i32.const -1))
+ (set_local $y
+ (i32.const 0)
+ )
+ (drop
+ (get_local $y)
+ )
+ (set_local $x
+ (i32.const -1)
+ )
+ )
+ (drop
+ (get_local $x)
)
- (get_local $x)
)
- (func $see-block-body
+ (func $see-block-body (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
+ (set_local $x
+ (i32.const 0)
+ )
(block $block
- (set_local $y (i32.const 0))
- (get_local $y)
+ (set_local $y
+ (i32.const 0)
+ )
+ (drop
+ (get_local $y)
+ )
(br $block)
)
- (get_local $x)
+ (drop
+ (get_local $x)
+ )
)
- (func $zero-init
+ (func $zero-init (type $2)
(local $x i32)
(local $y i32)
- (get_local $x)
- (get_local $y)
- )
- (func $multi
- (local $x i32) ;; x is free, but y and z conflict
- (local $y i32)
- (local $z i32)
- (get_local $y)
- (get_local $z)
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
- (func $if-else
+ (func $multi (type $2)
(local $x i32)
(local $y i32)
- (if ;; x and y conflict when they are merged into their shared predecessor
- (i32.const 0)
- (get_local $x)
+ (local $z i32)
+ (drop
(get_local $y)
)
+ (drop
+ (get_local $z)
+ )
)
- (func $if-else-parallel
+ (func $if-else (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
- (block
- (set_local $x (i32.const 0))
+ (drop
(get_local $x)
)
- (block
- (set_local $y (i32.const 1))
+ (drop
(get_local $y)
)
)
)
- (func $if-else-after
+ (func $if-else-parallel (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
- (set_local $x (i32.const 0))
- (set_local $y (i32.const 1))
+ (block $block1
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
+ )
+ (block $block3
+ (set_local $y
+ (i32.const 1)
+ )
+ (drop
+ (get_local $y)
+ )
+ )
)
- (get_local $x)
- (get_local $y)
)
- (func $if-else-through
+ (func $if-else-after (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (set_local $y (i32.const 1))
(if
(i32.const 0)
- (i32.const 1)
- (i32.const 2)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
+ (i32.const 1)
+ )
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
)
- (get_local $x)
- (get_local $y)
)
- (func $if-through
+ (func $if-else-through (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
- (set_local $y (i32.const 1))
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
+ (i32.const 1)
+ )
(if
(i32.const 0)
+ (drop
+ (i32.const 1)
+ )
+ (drop
+ (i32.const 2)
+ )
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
+ )
+ (func $if-through (type $2)
+ (local $x i32)
+ (local $y i32)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
(i32.const 1)
)
- (get_local $x)
- (get_local $y)
+ (if
+ (i32.const 0)
+ (drop
+ (i32.const 1)
+ )
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
- (func $if-through2
+ (func $if-through2 (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
+ (set_local $x
+ (i32.const 0)
+ )
(if
(i32.const 0)
- (set_local $y (i32.const 1))
+ (set_local $y
+ (i32.const 1)
+ )
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
)
- (get_local $x)
- (get_local $y)
)
- (func $if-through2
+ (func $if-through2 (type $2)
(local $x i32)
(local $y i32)
- (set_local $x (i32.const 0))
+ (set_local $x
+ (i32.const 0)
+ )
(if
(i32.const 0)
- (block
- (get_local $x)
- (get_local $y)
+ (block $block1
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
)
- (func $if2
+ (func $if2 (type $2)
(local $x i32)
(local $y i32)
(if
- (set_local $x (i32.const 0))
- (block
- (get_local $x)
- (get_local $y)
+ (tee_local $x
+ (i32.const 0)
+ )
+ (block $block1
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
)
- (func $if3
+ (func $if3 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
- (block
- (set_local $x (i32.const 0))
- (get_local $x)
+ (block $block1
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
)
)
- (get_local $y)
+ (drop
+ (get_local $y)
+ )
)
- (func $if4
+ (func $if4 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
- (block
- (set_local $x (i32.const 0))
- (get_local $x)
- (set_local $y (i32.const 1)) ;; we might not go through here, but it's ok
+ (block $block1
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
+ (set_local $y
+ (i32.const 1)
+ )
)
)
- (get_local $y)
+ (drop
+ (get_local $y)
+ )
)
- (func $if5
+ (func $if5 (type $2)
(local $x i32)
(local $y i32)
(if
(i32.const 0)
- (block
- (get_local $x) ;; we might go through here, and it causes interference
- (set_local $y (i32.const 1))
+ (block $block1
+ (drop
+ (get_local $x)
+ )
+ (set_local $y
+ (i32.const 1)
+ )
)
)
- (get_local $y)
+ (drop
+ (get_local $y)
+ )
)
- (func $loop
+ (func $loop (type $2)
(local $x i32)
(local $y i32)
(loop $out $in
- (get_local $x)
- (set_local $x (i32.const 0)) ;; effective, due to looping
- (get_local $y)
+ (drop
+ (get_local $x)
+ )
+ (set_local $x
+ (i32.const 0)
+ )
+ (drop
+ (get_local $y)
+ )
(br $in)
)
)
- (func $interfere-in-dead
+ (func $interfere-in-dead (type $2)
(local $x i32)
(local $y i32)
(block $block
(br $block)
- (get_local $x)
- (get_local $y)
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
- (func $interfere-in-dead2
+ (func $interfere-in-dead2 (type $2)
(local $x i32)
(local $y i32)
(block $block
(unreachable)
- (get_local $x)
- (get_local $y)
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
- (func $interfere-in-dead3
+ (func $interfere-in-dead3 (type $2)
(local $x i32)
(local $y i32)
(block $block
(return)
- (get_local $x)
- (get_local $y)
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
- (func $params (param $p i32) (param $q f32)
- (local $x i32) ;; x is free, but others conflict
+ (func $params (type $3) (param $p i32) (param $q f32)
+ (local $x i32)
(local $y i32)
(local $z i32)
(local $w i32)
- (get_local $y)
- (get_local $z)
- (get_local $w)
+ (drop
+ (get_local $y)
+ )
+ (drop
+ (get_local $z)
+ )
+ (drop
+ (get_local $w)
+ )
)
- (func $interfere-in-dead
+ (func $interfere-in-dead (type $2)
(local $x i32)
(local $y i32)
(block $block
- (br_if $block (i32.const 0))
- (get_local $x)
- (get_local $y)
+ (br_if $block
+ (i32.const 0)
+ )
+ (drop
+ (get_local $x)
+ )
+ (drop
+ (get_local $y)
+ )
)
)
- (func $switch
+ (func $switch (type $2)
(local $x i32)
(local $y i32)
(local $z i32)
@@ -293,15 +477,23 @@
(br_table $switch-case$1 $switch-case$2 $switch-case$1 $switch-case$1 $switch$def
(i32.const 100)
)
- (get_local $x) ;; unreachable
+ (drop
+ (get_local $x)
+ )
+ )
+ (drop
+ (get_local $y)
)
- (get_local $y)
)
- (get_local $z)
+ (drop
+ (get_local $z)
+ )
+ )
+ (drop
+ (get_local $w)
)
- (get_local $w)
)
- (func $greedy-can-be-happy
+ (func $greedy-can-be-happy (type $2)
(local $x1 i32)
(local $x2 i32)
(local $x3 i32)
@@ -314,53 +506,101 @@
(i32.const 1)
(if
(i32.const 2)
- (block
- (set_local $x1 (i32.const 100))
- (set_local $y2 (i32.const 101))
- (get_local $x1)
- (get_local $y2)
+ (block $block3
+ (set_local $x1
+ (i32.const 100)
+ )
+ (set_local $y2
+ (i32.const 101)
+ )
+ (drop
+ (get_local $x1)
+ )
+ (drop
+ (get_local $y2)
+ )
)
- (block
- (set_local $x1 (i32.const 102))
- (set_local $y3 (i32.const 103))
- (get_local $x1)
- (get_local $y3)
+ (block $block5
+ (set_local $x1
+ (i32.const 102)
+ )
+ (set_local $y3
+ (i32.const 103)
+ )
+ (drop
+ (get_local $x1)
+ )
+ (drop
+ (get_local $y3)
+ )
)
)
(if
(i32.const 3)
- (block
- (set_local $x2 (i32.const 104))
- (set_local $y1 (i32.const 105))
- (get_local $x2)
- (get_local $y1)
+ (block $block8
+ (set_local $x2
+ (i32.const 104)
+ )
+ (set_local $y1
+ (i32.const 105)
+ )
+ (drop
+ (get_local $x2)
+ )
+ (drop
+ (get_local $y1)
+ )
)
- (block
- (set_local $x2 (i32.const 106))
- (set_local $y3 (i32.const 107))
- (get_local $x2)
- (get_local $y3)
+ (block $block10
+ (set_local $x2
+ (i32.const 106)
+ )
+ (set_local $y3
+ (i32.const 107)
+ )
+ (drop
+ (get_local $x2)
+ )
+ (drop
+ (get_local $y3)
+ )
)
)
)
(if
(i32.const 4)
- (block
- (set_local $x3 (i32.const 108))
- (set_local $y1 (i32.const 109))
- (get_local $x3)
- (get_local $y1)
+ (block $block13
+ (set_local $x3
+ (i32.const 108)
+ )
+ (set_local $y1
+ (i32.const 109)
+ )
+ (drop
+ (get_local $x3)
+ )
+ (drop
+ (get_local $y1)
+ )
)
- (block
- (set_local $x3 (i32.const 110))
- (set_local $y2 (i32.const 111))
- (get_local $x3)
- (get_local $y2)
+ (block $block15
+ (set_local $x3
+ (i32.const 110)
+ )
+ (set_local $y2
+ (i32.const 111)
+ )
+ (drop
+ (get_local $x3)
+ )
+ (drop
+ (get_local $y2)
+ )
)
)
)
)
- (func $greedy-can-be-sad
+ (func $greedy-can-be-sad (type $2)
(local $x1 i32)
(local $y1 i32)
(local $x2 i32)
@@ -373,63 +613,110 @@
(i32.const 1)
(if
(i32.const 2)
- (block
- (set_local $x1 (i32.const 100))
- (set_local $y2 (i32.const 101))
- (get_local $x1)
- (get_local $y2)
+ (block $block3
+ (set_local $x1
+ (i32.const 100)
+ )
+ (set_local $y2
+ (i32.const 101)
+ )
+ (drop
+ (get_local $x1)
+ )
+ (drop
+ (get_local $y2)
+ )
)
- (block
- (set_local $x1 (i32.const 102))
- (set_local $y3 (i32.const 103))
- (get_local $x1)
- (get_local $y3)
+ (block $block5
+ (set_local $x1
+ (i32.const 102)
+ )
+ (set_local $y3
+ (i32.const 103)
+ )
+ (drop
+ (get_local $x1)
+ )
+ (drop
+ (get_local $y3)
+ )
)
)
(if
(i32.const 3)
- (block
- (set_local $x2 (i32.const 104))
- (set_local $y1 (i32.const 105))
- (get_local $x2)
- (get_local $y1)
+ (block $block8
+ (set_local $x2
+ (i32.const 104)
+ )
+ (set_local $y1
+ (i32.const 105)
+ )
+ (drop
+ (get_local $x2)
+ )
+ (drop
+ (get_local $y1)
+ )
)
- (block
- (set_local $x2 (i32.const 106))
- (set_local $y3 (i32.const 107))
- (get_local $x2)
- (get_local $y3)
+ (block $block10
+ (set_local $x2
+ (i32.const 106)
+ )
+ (set_local $y3
+ (i32.const 107)
+ )
+ (drop
+ (get_local $x2)
+ )
+ (drop
+ (get_local $y3)
+ )
)
)
)
(if
(i32.const 4)
- (block
- (set_local $x3 (i32.const 108))
- (set_local $y1 (i32.const 109))
- (get_local $x3)
- (get_local $y1)
+ (block $block13
+ (set_local $x3
+ (i32.const 108)
+ )
+ (set_local $y1
+ (i32.const 109)
+ )
+ (drop
+ (get_local $x3)
+ )
+ (drop
+ (get_local $y1)
+ )
)
- (block
- (set_local $x3 (i32.const 110))
- (set_local $y2 (i32.const 111))
- (get_local $x3)
- (get_local $y2)
+ (block $block15
+ (set_local $x3
+ (i32.const 110)
+ )
+ (set_local $y2
+ (i32.const 111)
+ )
+ (drop
+ (get_local $x3)
+ )
+ (drop
+ (get_local $y2)
+ )
)
)
)
)
- (func $_memcpy (param $i1 i32) (param $i2 i32) (param $i3 i32) (result i32)
+ (func $_memcpy (type $FUNCSIG$iiii) (param $i1 i32) (param $i2 i32) (param $i3 i32) (result i32)
(local $i4 i32)
(if
(i32.ge_s
(get_local $i3)
(i32.const 4096)
)
- (get_local $i1)
- (get_local $i2)
- (get_local $i3)
- (return)
+ (drop
+ (get_local $i1)
+ )
)
(set_local $i4
(get_local $i1)
@@ -445,7 +732,7 @@
(i32.const 3)
)
)
- (block
+ (block $block2
(loop $while-out$0 $while-in$1
(if
(i32.eqz
@@ -456,7 +743,7 @@
)
(br $while-out$0)
)
- (block
+ (block $block4
(if
(i32.eqz
(get_local $i3)
@@ -502,7 +789,7 @@
)
(br $while-out$2)
)
- (block
+ (block $block7
(i32.store
(get_local $i1)
(i32.load
@@ -542,7 +829,7 @@
)
(br $while-out$4)
)
- (block
+ (block $block9
(i32.store8
(get_local $i1)
(i32.load8_s
@@ -574,41 +861,62 @@
(get_local $i4)
)
)
- (func $this-is-effective-i-tell-you (param $x i32)
+ (func $this-is-effective-i-tell-you (type $4) (param $x i32)
(if
(i32.const -1)
- (block
- (if ;; this is important for the bug
+ (block $block1
+ (if
(i32.const 0)
(nop)
)
- (set_local $x ;; this set is effective!
+ (set_local $x
(i32.const 1)
)
)
- (nop) ;; this is enough for the bug
+ (nop)
+ )
+ (drop
+ (get_local $x)
)
- (get_local $x) ;; this ends up with the wrong value in the test
)
- (func $prefer-remove-copies1
+ (func $prefer-remove-copies1 (type $2)
(local $y i32)
(local $z i32)
- (local $x i32) ;; y and z interfere, x can be with either, but has a copy which should be prefered
- (set_local $x (i32.const 0))
- (set_local $y (get_local $x))
- (set_local $z (i32.const 1))
- (get_local $y)
- (get_local $z)
- )
- (func $prefer-remove-copies1
+ (local $x i32)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $y
+ (get_local $x)
+ )
+ (set_local $z
+ (i32.const 1)
+ )
+ (drop
+ (get_local $y)
+ )
+ (drop
+ (get_local $z)
+ )
+ )
+ (func $prefer-remove-copies1 (type $2)
(local $y i32)
(local $z i32)
- (local $x i32) ;; y and z interfere, x can be with either, but has a copy which should be prefered
- (set_local $x (i32.const 0))
- (set_local $z (get_local $x))
- (set_local $y (i32.const 1))
- (get_local $y)
- (get_local $z)
+ (local $x i32)
+ (set_local $x
+ (i32.const 0)
+ )
+ (set_local $z
+ (get_local $x)
+ )
+ (set_local $y
+ (i32.const 1)
+ )
+ (drop
+ (get_local $y)
+ )
+ (drop
+ (get_local $z)
+ )
)
)
-
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-30 07:14:20 +0000