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[EH] Convert EH tests into lit tests #3923

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Merged
aheejin merged 2 commits into from
Jun 8, 2021
Merged

[EH] Convert EH tests into lit tests #3923

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07f424a
[EH] Convert EH tests into lit tests
aheejin Jun 4, 2021
d0d0c4d
Update test/lit/passes/dce-eh.wast
aheejin Jun 7, 2021
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43 changes: 43 additions & 0 deletions test/lit/passes/coalesce-locals-eh.wast
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Original file line number Diff line number Diff line change
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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: (func $bar (result i32)
;; CHECK-NEXT: (i32.const 1984)
;; CHECK-NEXT: )
(func $bar (result i32)
(i32.const 1984)
)

(event $e (attr 0))
;; CHECK: (func $bug-cfg-traversal (param $0 i32) (result i32)
;; CHECK-NEXT: (try $try
;; CHECK-NEXT: (do
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (call $bar)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (catch_all
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
(func $bug-cfg-traversal (param $0 i32) (result i32)
(local $x i32)
;; This is a regrssion test case for a bug in cfg-traversal for EH.
;; See https://github.com/WebAssembly/binaryen/pull/3594
(try
(do
(local.set $x
;; the call may or may not throw, so we may reach the get of $x
(call $bar)
)
)
(catch_all
(unreachable)
)
)
(local.get $x)
)
)
153 changes: 153 additions & 0 deletions test/lit/passes/code-folding-eh.wast
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;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --remove-unused-names --code-folding -all -S -o - \
;; RUN: | filecheck %s

(module
(event $e-i32 (attr 0) (param i32))

;; CHECK: (func $pop-test
;; CHECK-NEXT: (block $folding-inner0
;; CHECK-NEXT: (try
;; CHECK-NEXT: (do
;; CHECK-NEXT: (try
;; CHECK-NEXT: (do
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
;; CHECK-NEXT: (catch $e-i32
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (pop i32)
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $folding-inner0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (catch $e-i32
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (pop i32)
;; CHECK-NEXT: )
;; CHECK-NEXT: (br $folding-inner0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (return)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 111)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 222)
;; CHECK-NEXT: )
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (i32.const 333)
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
(func $pop-test
(try
(do
(try
(do)
(catch $e-i32
;; Expressions containing a pop should NOT be taken out and folded.
(drop (pop i32))
(drop (i32.const 111))
(drop (i32.const 222))
(drop (i32.const 333))
(unreachable)
)
)
)
(catch $e-i32
(drop (pop i32))
(drop (i32.const 111))
(drop (i32.const 222))
(drop (i32.const 333))
(unreachable)
)
)
)

(func $foo)
;; CHECK: (func $try-call-optimize-terminating-tails (result i32)
;; CHECK-NEXT: (try
;; CHECK-NEXT: (do
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (return
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (catch_all
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (return
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
(func $try-call-optimize-terminating-tails (result i32)
(try
(do
;; Expressions that can throw should NOT be taken out of 'try' scope.
(call $foo)
(call $foo)
(call $foo)
(call $foo)
(return (i32.const 0))
)
(catch_all
(call $foo)
(call $foo)
(call $foo)
(call $foo)
(return (i32.const 0))
)
)
(i32.const 0)
)

;; CHECK: (func $try-call-optimize-expression-tails
;; CHECK-NEXT: (block $x
;; CHECK-NEXT: (try
;; CHECK-NEXT: (do
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (br $x)
;; CHECK-NEXT: )
;; CHECK-NEXT: (catch_all
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (call $foo)
;; CHECK-NEXT: (br $x)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: (unreachable)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $try-call-optimize-expression-tails
(block $x
(try
(do
;; Expressions that can throw should NOT be taken out of 'try' scope.
(call $foo)
(call $foo)
(call $foo)
(br $x)
)
(catch_all
(call $foo)
(call $foo)
(call $foo)
(br $x)
)
)
(unreachable)
)
)
)
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