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-rw-r--r--test/lit/passes/merge-similar-functions_types.wast323
1 files changed, 323 insertions, 0 deletions
diff --git a/test/lit/passes/merge-similar-functions_types.wast b/test/lit/passes/merge-similar-functions_types.wast
new file mode 100644
index 000000000..497c734e1
--- /dev/null
+++ b/test/lit/passes/merge-similar-functions_types.wast
@@ -0,0 +1,323 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
+;; RUN: foreach %s %t wasm-opt --merge-similar-functions -all -S -o - \
+;; RUN: | filecheck %s
+;; RUN: foreach %s %t wasm-opt --merge-similar-functions -all --nominal -S -o - \
+;; RUN: | filecheck %s --check-prefix=NOMNL
+
+;; Calls to functions $2 and $3 are the only differences between the contents
+;; of $0 and $1, so we want to merge them and pass ref.funcs of $2 and $3.
+;; However, their nominal types differ, so in nominal typing we cannot do so.
+(module
+ ;; CHECK: (type $type$0 (func))
+ ;; NOMNL: (type $type$0 (func_subtype func))
+ (type $type$0 (func_subtype func))
+ ;; NOMNL: (type $type$1 (func_subtype func))
+ (type $type$1 (func_subtype func))
+ ;; NOMNL: (type $type$2 (func_subtype func))
+ (type $type$2 (func_subtype func))
+ (type $type$3 (func_subtype (param f32) (result f32) func))
+ (type $type$4 (func_subtype (param f64) (result f64) func))
+ ;; CHECK: (type $ref|$type$0|_=>_none (func (param (ref $type$0))))
+
+ ;; CHECK: (elem declare func $2 $3)
+
+ ;; CHECK: (func $0
+ ;; CHECK-NEXT: (call $byn$mgfn-shared$0
+ ;; CHECK-NEXT: (ref.func $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $0 (type $type$0)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (call $2)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: )
+ (func $0 (type $type$0)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (call $2)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ )
+ ;; CHECK: (func $1
+ ;; CHECK-NEXT: (call $byn$mgfn-shared$0
+ ;; CHECK-NEXT: (ref.func $3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $1 (type $type$0)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (call $3)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: (nop)
+ ;; NOMNL-NEXT: )
+ (func $1 (type $type$0)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (call $3)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ )
+ ;; CHECK: (func $2
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 17)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $2 (type $type$1)
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (i32.const 17)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $2 (type $type$1)
+ (drop
+ (i32.const 17)
+ )
+ )
+ ;; CHECK: (func $3
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 999)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $3 (type $type$2)
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (i32.const 999)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $3 (type $type$2)
+ (drop
+ (i32.const 999)
+ )
+ )
+)
+
+
+
+
+;; CHECK: (func $byn$mgfn-shared$0 (param $0 (ref $type$0))
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (call_ref
+;; CHECK-NEXT: (local.get $0)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: )
+(module
+ ;; As above, but now the nominal types do match, so we can optimize in all
+ ;; modes.
+
+ ;; CHECK: (type $type$0 (func))
+ ;; NOMNL: (type $type$1 (func_subtype func))
+
+ ;; NOMNL: (type $type$0 (func_subtype func))
+ (type $type$0 (func_subtype func))
+ (type $type$1 (func_subtype func))
+ (type $type$3 (func_subtype (param f32) (result f32) func))
+ (type $type$4 (func_subtype (param f64) (result f64) func))
+ ;; CHECK: (type $ref|$type$0|_=>_none (func (param (ref $type$0))))
+
+ ;; CHECK: (global $global$0 (mut i32) (i32.const 10))
+ ;; NOMNL: (type $ref|$type$1|_=>_none (func_subtype (param (ref $type$1)) func))
+
+ ;; NOMNL: (global $global$0 (mut i32) (i32.const 10))
+ (global $global$0 (mut i32) (i32.const 10))
+ ;; CHECK: (memory $0 (shared 16 17))
+ ;; NOMNL: (memory $0 (shared 16 17))
+ (memory $0 (shared 16 17))
+ ;; CHECK: (elem declare func $2 $3)
+
+ ;; CHECK: (func $0
+ ;; CHECK-NEXT: (call $byn$mgfn-shared$0
+ ;; CHECK-NEXT: (ref.func $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (elem declare func $2 $3)
+
+ ;; NOMNL: (func $0 (type $type$0)
+ ;; NOMNL-NEXT: (call $byn$mgfn-shared$0
+ ;; NOMNL-NEXT: (ref.func $2)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $0 (type $type$0)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (call $2)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ )
+ ;; CHECK: (func $1
+ ;; CHECK-NEXT: (call $byn$mgfn-shared$0
+ ;; CHECK-NEXT: (ref.func $3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $1 (type $type$0)
+ ;; NOMNL-NEXT: (call $byn$mgfn-shared$0
+ ;; NOMNL-NEXT: (ref.func $3)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $1 (type $type$0)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (call $3)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ (nop)
+ )
+ ;; CHECK: (func $2
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 17)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $2 (type $type$1)
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (i32.const 17)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $2 (type $type$1)
+ (drop
+ (i32.const 17)
+ )
+ )
+ ;; CHECK: (func $3
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.const 999)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; NOMNL: (func $3 (type $type$1)
+ ;; NOMNL-NEXT: (drop
+ ;; NOMNL-NEXT: (i32.const 999)
+ ;; NOMNL-NEXT: )
+ ;; NOMNL-NEXT: )
+ (func $3 (type $type$1)
+ (drop
+ (i32.const 999)
+ )
+ )
+)
+;; CHECK: (func $byn$mgfn-shared$0 (param $0 (ref $type$0))
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (call_ref
+;; CHECK-NEXT: (local.get $0)
+;; CHECK-NEXT: )
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: (nop)
+;; CHECK-NEXT: )
+
+;; NOMNL: (func $byn$mgfn-shared$0 (type $ref|$type$1|_=>_none) (param $0 (ref $type$1))
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (call_ref
+;; NOMNL-NEXT: (local.get $0)
+;; NOMNL-NEXT: )
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: (nop)
+;; NOMNL-NEXT: )
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-21 16:32:47 +0000