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diff --git a/test/lit/passes/code-folding-eh.wast b/test/lit/passes/code-folding-eh.wast
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+++ b/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
+ ;; CHECK: (tag $e-i32 (param i32))
+ (tag $e-i32 (param i32))
+
+ ;; CHECK: (func $try_table-call-optimize-terminating-tails-success (type $0) (result i32)
+ ;; CHECK-NEXT: (block $folding-inner0
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; CHECK-NEXT: (br $folding-inner0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $folding-inner0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-terminating-tails-success (result i32)
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ ;; Expressions that cannot throw can be taken out of 'try' scope.
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (return (i32.const 0))
+ )
+ (br $tryend)
+ )
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (return (i32.const 0))
+ )
+ (i32.const 0)
+ )
+
+
+ ;; CHECK: (func $foo (type $1)
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: )
+ (func $foo)
+
+ ;; CHECK: (func $try_table-call-optimize-terminating-tails (type $0) (result i32)
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; 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: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; 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: (i32.const 0)
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-terminating-tails (result i32)
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ ;; Expressions that can throw should NOT be taken out of 'try' scope.
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (return (i32.const 0))
+ )
+ (br $tryend)
+ )
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (return (i32.const 0))
+ )
+ (i32.const 0)
+ )
+
+ ;; CHECK: (func $foo-i32 (type $0) (result i32)
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ (func $foo-i32 (result i32)
+ (i32.const 0)
+ )
+
+ ;; CHECK: (func $try_table-call-optimize-terminating-tails-call-return (type $0) (result i32)
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (call $foo-i32)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (call $foo-i32)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-terminating-tails-call-return (result i32)
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ ;; Cannot be folded out of the try because it might throw.
+ (return (call $foo-i32))
+ )
+ (br $tryend)
+ )
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (return (call $foo-i32))
+ )
+ (i32.const 0)
+ )
+
+ ;; CHECK: (func $try_table-call-optimize-terminating-tails-return-call (type $0) (result i32)
+ ;; CHECK-NEXT: (block $folding-inner0
+ ;; CHECK-NEXT: (return
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; CHECK-NEXT: (br $folding-inner0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $folding-inner0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (return_call $foo-i32)
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-terminating-tails-return-call (result i32)
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ ;; return_call executes the call after returning from this function.
+ ;; This try_table cannot catch exceptions it throws, so we can fold it
+ ;; out of the try_table.
+ (return_call $foo-i32)
+ )
+ (br $tryend)
+ )
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (return_call $foo-i32)
+ )
+ (i32.const 0)
+ )
+
+ ;; CHECK: (func $try_table-call-optimize-expression-tails-success (type $1)
+ ;; CHECK-NEXT: (block $x
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; CHECK-NEXT: (br $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (unreachable)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-expression-tails-success
+ (block $x
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ ;; Expressions that cannot throw can be taken out of 'try_table'
+ ;; scope.
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (br $x)
+ )
+ (br $tryend)
+ )
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (drop (i32.const 1))
+ (br $x)
+ )
+ (unreachable)
+ )
+ )
+
+ ;; CHECK: (func $try_table-call-optimize-expression-tails (type $1)
+ ;; CHECK-NEXT: (block $x
+ ;; CHECK-NEXT: (block $tryend
+ ;; CHECK-NEXT: (block $catch
+ ;; CHECK-NEXT: (try_table (catch_all $catch)
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (br $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (br $tryend)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (call $foo)
+ ;; CHECK-NEXT: (br $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (unreachable)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $try_table-call-optimize-expression-tails
+ (block $x
+ (block $tryend
+ (block $catch
+ (try_table (catch_all $catch)
+ ;; Expressions that can throw should NOT be taken out of 'try' scope.
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (br $x)
+ )
+ (br $tryend)
+ )
+ (call $foo)
+ (call $foo)
+ (call $foo)
+ (br $x)
+ )
+ (unreachable)
+ )
+ )
+)
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