Merge pull request #1116 from WebAssembly/fuzz

Fuzz fixes

1 files changed, 64 insertions, 9 deletions

diff --git a/test/passes/optimize-instructions.txt b/test/passes/optimize-instructions.txt
index 604c9c3ea..a399a9096 100644
--- a/test/passes/optimize-instructions.txt
+++ b/test/passes/optimize-instructions.txt
@@ -6,6 +6,7 @@
  (type $4 (func (param i32 i32)))
  (type $5 (func (param i32)))
  (type $6 (func (param i32 i32) (result i32)))
+ (type $7 (func (param i64) (result i64)))
  (memory $0 0)
  (export "load-off-2" (func $load-off-2))
  (func $f (type $0) (param $i1 i32) (param $i2 i64)
@@ -462,16 +463,16 @@
    (i32.const 4)
    (get_local $0)
   )
-  (i32.store
-   (i32.const 0)
+  (i32.store offset=2
+   (i32.const -2)
    (get_local $0)
   )
   (i32.store
    (i32.const 25)
    (get_local $0)
   )
-  (i32.store
-   (i32.const -23)
+  (i32.store offset=2
+   (i32.const -25)
    (get_local $0)
   )
   (drop
@@ -734,7 +735,7 @@
    (i32.shr_s
     (i32.shl
      (i32.const 32)
-     (i32.const 59)
+     (i32.const 27)
     )
     (i32.const 24)
    )
@@ -805,7 +806,7 @@
      (i32.const -1)
      (i32.const 2147483647)
     )
-    (i32.const 32)
+    (i32.const 31)
    )
   )
   (drop
@@ -1083,19 +1084,19 @@
   (drop
    (i32.shl
     (get_local $0)
-    (i32.const 211)
+    (i32.const 19)
    )
   )
   (drop
    (i32.shr_s
     (get_local $0)
-    (i32.const 211)
+    (i32.const 19)
    )
   )
   (drop
    (i32.shr_u
     (get_local $0)
-    (i32.const 211)
+    (i32.const 19)
    )
   )
   (drop
@@ -2006,4 +2007,58 @@
    (i32.const 1)
   )
  )
+ (func $neg-shifts-and-255 (type $2) (result i32)
+  (i32.and
+   (i32.shr_u
+    (i32.const -99)
+    (i32.const -32)
+   )
+   (i32.const 255)
+  )
+ )
+ (func $neg-shifts-and-255-b (type $2) (result i32)
+  (i32.and
+   (i32.shl
+    (i32.const -2349025)
+    (i32.const -32)
+   )
+   (i32.const 255)
+  )
+ )
+ (func $shifts-square-overflow (type $3) (param $x i32) (result i32)
+  (i32.shr_u
+   (i32.shr_u
+    (get_local $x)
+    (i32.const 65535)
+   )
+   (i32.const 32767)
+  )
+ )
+ (func $shifts-square-no-overflow-small (type $3) (param $x i32) (result i32)
+  (i32.shr_u
+   (get_local $x)
+   (i32.const 9)
+  )
+ )
+ (func $shifts-square-overflow-64 (type $7) (param $x i64) (result i64)
+  (i64.shr_u
+   (i64.shr_u
+    (get_local $x)
+    (i64.const 65535)
+   )
+   (i64.const 64767)
+  )
+ )
+ (func $shifts-square-no-overflow-small-64 (type $7) (param $x i64) (result i64)
+  (i64.shr_u
+   (get_local $x)
+   (i64.const 9)
+  )
+ )
+ (func $shifts-square-unreachable (type $3) (param $x i32) (result i32)
+  (i32.shr_u
+   (unreachable)
+   (i32.const 9)
+  )
+ )
 )