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-rw-r--r--test/lit/passes/avoid-reinterprets.wast257
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diff --git a/test/lit/passes/avoid-reinterprets.wast b/test/lit/passes/avoid-reinterprets.wast
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+++ b/test/lit/passes/avoid-reinterprets.wast
@@ -0,0 +1,257 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
+;; NOTE: This test was ported using port_test.py and could be cleaned up.
+
+;; RUN: foreach %s %t wasm-opt --avoid-reinterprets -S -o - | filecheck %s
+
+(module
+ (memory 1)
+ ;; CHECK: (type $none_=>_none (func))
+
+ ;; CHECK: (type $none_=>_f32 (func (result f32)))
+
+ ;; CHECK: (memory $0 1)
+
+ ;; CHECK: (func $simple
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f64.load
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i64.load
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $simple
+ (drop (f32.reinterpret_i32 (i32.load (i32.const 1024))))
+ (drop (i32.reinterpret_f32 (f32.load (i32.const 1024))))
+ (drop (f64.reinterpret_i64 (i64.load (i32.const 1024))))
+ (drop (i64.reinterpret_f64 (f64.load (i32.const 1024))))
+ )
+ ;; CHECK: (func $one
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (local $1 i32)
+ ;; CHECK-NEXT: (local $2 f32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (local.set $1
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $2
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $one
+ (local $x i32)
+ (local.set $x (i32.load (i32.const 1024)))
+ (drop (f32.reinterpret_i32 (local.get $x)))
+ )
+ ;; CHECK: (func $one-b
+ ;; CHECK-NEXT: (local $x f32)
+ ;; CHECK-NEXT: (local $1 i32)
+ ;; CHECK-NEXT: (local $2 i32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (block (result f32)
+ ;; CHECK-NEXT: (local.set $1
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $2
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $one-b
+ (local $x f32)
+ (local.set $x (f32.load (i32.const 1024)))
+ (drop (i32.reinterpret_f32 (local.get $x)))
+ )
+ ;; CHECK: (func $both
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (local $1 i32)
+ ;; CHECK-NEXT: (local $2 f32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (local.set $1
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $2
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $both
+ (local $x i32)
+ (local.set $x (i32.load (i32.const 1024)))
+ (drop (f32.reinterpret_i32 (local.get $x)))
+ (drop (f32.reinterpret_i32 (local.get $x)))
+ )
+ ;; CHECK: (func $half
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (local $1 i32)
+ ;; CHECK-NEXT: (local $2 f32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (local.set $1
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $2
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (local.get $1)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $half
+ (local $x i32)
+ (local.set $x (i32.load (i32.const 1024)))
+ (drop (local.get $x))
+ (drop (f32.reinterpret_i32 (local.get $x)))
+ )
+ ;; CHECK: (func $copy
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (local $y i32)
+ ;; CHECK-NEXT: (local $2 i32)
+ ;; CHECK-NEXT: (local $3 f32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (block (result i32)
+ ;; CHECK-NEXT: (local.set $2
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $3
+ ;; CHECK-NEXT: (f32.load
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (local.get $2)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (local.set $y
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $copy
+ (local $x i32)
+ (local $y i32)
+ (local.set $x (i32.load (i32.const 1024)))
+ (local.set $y (local.get $x))
+ (drop (f32.reinterpret_i32 (local.get $y)))
+ )
+ ;; CHECK: (func $partial1 (result f32)
+ ;; CHECK-NEXT: (f32.reinterpret_i32
+ ;; CHECK-NEXT: (i32.load16_u
+ ;; CHECK-NEXT: (i32.const 3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $partial1 (result f32)
+ (f32.reinterpret_i32
+ (i32.load16_u
+ (i32.const 3)
+ )
+ )
+ )
+ ;; CHECK: (func $partial2 (result f32)
+ ;; CHECK-NEXT: (f32.reinterpret_i32
+ ;; CHECK-NEXT: (i32.load8_u
+ ;; CHECK-NEXT: (i32.const 3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $partial2 (result f32)
+ (f32.reinterpret_i32
+ (i32.load8_u
+ (i32.const 3)
+ )
+ )
+ )
+ ;; CHECK: (func $nofallthrough
+ ;; CHECK-NEXT: (local $x i32)
+ ;; CHECK-NEXT: (local.set $x
+ ;; CHECK-NEXT: (i32.load
+ ;; CHECK-NEXT: (i32.const 1024)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (f32.reinterpret_i32
+ ;; CHECK-NEXT: (block $block (result i32)
+ ;; CHECK-NEXT: (nop)
+ ;; CHECK-NEXT: (local.get $x)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $nofallthrough
+ (local $x i32)
+ (local.set $x
+ (i32.load
+ (i32.const 1024)
+ )
+ )
+ (drop
+ (f32.reinterpret_i32
+ (block (result i32)
+ (nop) ;; this would be removed by other opts, but in general, we can't
+ ;; just look at the fallthrough, as we can't just remove code here
+ (local.get $x)
+ )
+ )
+ )
+ )
+)
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