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-rw-r--r--test/passes/optimize-instructions.wast58
1 files changed, 58 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast
index bb89d7314..6d1fd60ed 100644
--- a/test/passes/optimize-instructions.wast
+++ b/test/passes/optimize-instructions.wast
@@ -2359,4 +2359,62 @@
)
)
)
+ (func $zero-shifts-is-not-sign-ext
+ (drop
+ (i32.eq
+ (i32.const -5431187)
+ (i32.add
+ (i32.const 0)
+ (i32.shr_s
+ (i32.shl
+ (i32.load16_s align=1
+ (i32.const 790656516)
+ )
+ (i32.const 0)
+ )
+ (i32.const 0)
+ )
+ )
+ )
+ )
+ (drop
+ (i32.eq
+ (i32.const -5431187)
+ (i32.add
+ (i32.const 0)
+ (i32.shr_s
+ (i32.shl
+ (i32.load16_s align=1
+ (i32.const 790656516)
+ )
+ (i32.const 1)
+ )
+ (i32.const 0)
+ )
+ )
+ )
+ )
+ )
+ (func $zero-ops (result i32)
+ (return
+ (i32.eq
+ (i32.const -1337)
+ (i32.shr_u
+ (i32.add
+ (i32.const 0)
+ (i32.shr_s
+ (i32.shl
+ (i32.load16_s align=1
+ (i32.const 790656516)
+ )
+ (i32.const 0)
+ )
+ (i32.const 0)
+ )
+ )
+ (i32.const 0)
+ )
+ )
+ )
+ )
)