diff options
Diffstat (limited to 'test/passes/optimize-instructions.wast')
-rw-r--r-- | test/passes/optimize-instructions.wast | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/test/passes/optimize-instructions.wast b/test/passes/optimize-instructions.wast index 2f2333867..51bd076d1 100644 --- a/test/passes/optimize-instructions.wast +++ b/test/passes/optimize-instructions.wast @@ -2020,4 +2020,90 @@ ) ) ) + (func $compare-load-s-sign-extend (param $0 i32) (param $1 i32) + (drop + (i32.eq + (i32.load8_s + (get_local $0) + ) + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 24) + ) + (i32.const 24) + ) + ) + ) + (drop + (i32.eq + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 24) + ) + (i32.const 24) + ) + (i32.load8_s + (get_local $0) ;; flip order, we should canonicalize + ) + ) + ) + (drop + (i32.eq + (i32.load8_u ;; unsigned, bad + (get_local $0) + ) + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 24) + ) + (i32.const 24) + ) + ) + ) + (drop + (i32.eq + (i32.load8_s + (get_local $0) + ) + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 16) ;; wrong size + ) + (i32.const 16) + ) + ) + ) + (drop + (i32.eq + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 24) + ) + (i32.const 24) + ) + (i32.load8_u ;; unsigned, bad + (get_local $0) + ) + ) + ) + (drop + (i32.eq + (i32.shr_s + (i32.shl + (get_local $1) + (i32.const 16) ;; wrong size + ) + (i32.const 16) + ) + (i32.load8_s + (get_local $0) + ) + ) + ) + ) ) |