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-rw-r--r--js/src/jit-test/tests/wasm/spec/int_exprs.wast299
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diff --git a/js/src/jit-test/tests/wasm/spec/int_exprs.wast b/js/src/jit-test/tests/wasm/spec/int_exprs.wast
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+++ b/js/src/jit-test/tests/wasm/spec/int_exprs.wast
@@ -0,0 +1,299 @@
+;; Test interesting integer "expressions". These tests contain code
+;; patterns which tempt common value-changing optimizations.
+
+;; Test that x+1<y+1 is not folded to x<y
+
+(module
+ (func (export "i32.no_fold_cmp_s_offset") (param $x i32) (param $y i32) (result i32)
+ (i32.lt_s (i32.add (get_local $x) (i32.const 1)) (i32.add (get_local $y) (i32.const 1))))
+ (func (export "i32.no_fold_cmp_u_offset") (param $x i32) (param $y i32) (result i32)
+ (i32.lt_u (i32.add (get_local $x) (i32.const 1)) (i32.add (get_local $y) (i32.const 1))))
+
+ (func (export "i64.no_fold_cmp_s_offset") (param $x i64) (param $y i64) (result i32)
+ (i64.lt_s (i64.add (get_local $x) (i64.const 1)) (i64.add (get_local $y) (i64.const 1))))
+ (func (export "i64.no_fold_cmp_u_offset") (param $x i64) (param $y i64) (result i32)
+ (i64.lt_u (i64.add (get_local $x) (i64.const 1)) (i64.add (get_local $y) (i64.const 1))))
+)
+
+(assert_return (invoke "i32.no_fold_cmp_s_offset" (i32.const 0x7fffffff) (i32.const 0)) (i32.const 1))
+(assert_return (invoke "i32.no_fold_cmp_u_offset" (i32.const 0xffffffff) (i32.const 0)) (i32.const 1))
+(assert_return (invoke "i64.no_fold_cmp_s_offset" (i64.const 0x7fffffffffffffff) (i64.const 0)) (i32.const 1))
+(assert_return (invoke "i64.no_fold_cmp_u_offset" (i64.const 0xffffffffffffffff) (i64.const 0)) (i32.const 1))
+
+;; Test that wrap(extend_s(x)) is not folded to x
+
+(module
+ (func (export "i64.no_fold_wrap_extend_s") (param $x i64) (result i64)
+ (i64.extend_s/i32 (i32.wrap/i64 (get_local $x))))
+)
+
+(assert_return (invoke "i64.no_fold_wrap_extend_s" (i64.const 0x0010203040506070)) (i64.const 0x0000000040506070))
+(assert_return (invoke "i64.no_fold_wrap_extend_s" (i64.const 0x00a0b0c0d0e0f0a0)) (i64.const 0xffffffffd0e0f0a0))
+
+;; Test that wrap(extend_u(x)) is not folded to x
+
+(module
+ (func (export "i64.no_fold_wrap_extend_u") (param $x i64) (result i64)
+ (i64.extend_u/i32 (i32.wrap/i64 (get_local $x))))
+)
+
+(assert_return (invoke "i64.no_fold_wrap_extend_u" (i64.const 0x0010203040506070)) (i64.const 0x0000000040506070))
+
+;; Test that x<<n>>n is not folded to x
+
+(module
+ (func (export "i32.no_fold_shl_shr_s") (param $x i32) (result i32)
+ (i32.shr_s (i32.shl (get_local $x) (i32.const 1)) (i32.const 1)))
+ (func (export "i32.no_fold_shl_shr_u") (param $x i32) (result i32)
+ (i32.shr_u (i32.shl (get_local $x) (i32.const 1)) (i32.const 1)))
+
+ (func (export "i64.no_fold_shl_shr_s") (param $x i64) (result i64)
+ (i64.shr_s (i64.shl (get_local $x) (i64.const 1)) (i64.const 1)))
+ (func (export "i64.no_fold_shl_shr_u") (param $x i64) (result i64)
+ (i64.shr_u (i64.shl (get_local $x) (i64.const 1)) (i64.const 1)))
+)
+
+(assert_return (invoke "i32.no_fold_shl_shr_s" (i32.const 0x80000000)) (i32.const 0))
+(assert_return (invoke "i32.no_fold_shl_shr_u" (i32.const 0x80000000)) (i32.const 0))
+(assert_return (invoke "i64.no_fold_shl_shr_s" (i64.const 0x8000000000000000)) (i64.const 0))
+(assert_return (invoke "i64.no_fold_shl_shr_u" (i64.const 0x8000000000000000)) (i64.const 0))
+
+;; Test that x>>n<<n is not folded to x
+
+(module
+ (func (export "i32.no_fold_shr_s_shl") (param $x i32) (result i32)
+ (i32.shl (i32.shr_s (get_local $x) (i32.const 1)) (i32.const 1)))
+ (func (export "i32.no_fold_shr_u_shl") (param $x i32) (result i32)
+ (i32.shl (i32.shr_u (get_local $x) (i32.const 1)) (i32.const 1)))
+
+ (func (export "i64.no_fold_shr_s_shl") (param $x i64) (result i64)
+ (i64.shl (i64.shr_s (get_local $x) (i64.const 1)) (i64.const 1)))
+ (func (export "i64.no_fold_shr_u_shl") (param $x i64) (result i64)
+ (i64.shl (i64.shr_u (get_local $x) (i64.const 1)) (i64.const 1)))
+)
+
+(assert_return (invoke "i32.no_fold_shr_s_shl" (i32.const 1)) (i32.const 0))
+(assert_return (invoke "i32.no_fold_shr_u_shl" (i32.const 1)) (i32.const 0))
+(assert_return (invoke "i64.no_fold_shr_s_shl" (i64.const 1)) (i64.const 0))
+(assert_return (invoke "i64.no_fold_shr_u_shl" (i64.const 1)) (i64.const 0))
+
+;; Test that x/n*n is not folded to x
+
+(module
+ (func (export "i32.no_fold_div_s_mul") (param $x i32) (result i32)
+ (i32.mul (i32.div_s (get_local $x) (i32.const 6)) (i32.const 6)))
+ (func (export "i32.no_fold_div_u_mul") (param $x i32) (result i32)
+ (i32.mul (i32.div_u (get_local $x) (i32.const 6)) (i32.const 6)))
+
+ (func (export "i64.no_fold_div_s_mul") (param $x i64) (result i64)
+ (i64.mul (i64.div_s (get_local $x) (i64.const 6)) (i64.const 6)))
+ (func (export "i64.no_fold_div_u_mul") (param $x i64) (result i64)
+ (i64.mul (i64.div_u (get_local $x) (i64.const 6)) (i64.const 6)))
+)
+
+(assert_return (invoke "i32.no_fold_div_s_mul" (i32.const 1)) (i32.const 0))
+(assert_return (invoke "i32.no_fold_div_u_mul" (i32.const 1)) (i32.const 0))
+(assert_return (invoke "i64.no_fold_div_s_mul" (i64.const 1)) (i64.const 0))
+(assert_return (invoke "i64.no_fold_div_u_mul" (i64.const 1)) (i64.const 0))
+
+;; Test that x*n/n is not folded to x
+
+(module
+ (func (export "i32.no_fold_mul_div_s") (param $x i32) (result i32)
+ (i32.div_s (i32.mul (get_local $x) (i32.const 6)) (i32.const 6)))
+ (func (export "i32.no_fold_mul_div_u") (param $x i32) (result i32)
+ (i32.div_u (i32.mul (get_local $x) (i32.const 6)) (i32.const 6)))
+
+ (func (export "i64.no_fold_mul_div_s") (param $x i64) (result i64)
+ (i64.div_s (i64.mul (get_local $x) (i64.const 6)) (i64.const 6)))
+ (func (export "i64.no_fold_mul_div_u") (param $x i64) (result i64)
+ (i64.div_u (i64.mul (get_local $x) (i64.const 6)) (i64.const 6)))
+)
+
+(assert_return (invoke "i32.no_fold_mul_div_s" (i32.const 0x80000000)) (i32.const 0))
+(assert_return (invoke "i32.no_fold_mul_div_u" (i32.const 0x80000000)) (i32.const 0))
+(assert_return (invoke "i64.no_fold_mul_div_s" (i64.const 0x8000000000000000)) (i64.const 0))
+(assert_return (invoke "i64.no_fold_mul_div_u" (i64.const 0x8000000000000000)) (i64.const 0))
+
+;; Test that x/n where n is a known power of 2 is not folded to shr_s
+
+(module
+ (func (export "i32.no_fold_div_s_2") (param $x i32) (result i32)
+ (i32.div_s (get_local $x) (i32.const 2)))
+
+ (func (export "i64.no_fold_div_s_2") (param $x i64) (result i64)
+ (i64.div_s (get_local $x) (i64.const 2)))
+)
+
+(assert_return (invoke "i32.no_fold_div_s_2" (i32.const -11)) (i32.const -5))
+(assert_return (invoke "i64.no_fold_div_s_2" (i64.const -11)) (i64.const -5))
+
+;; Test that x%n where n is a known power of 2 is not folded to and
+
+(module
+ (func (export "i32.no_fold_rem_s_2") (param $x i32) (result i32)
+ (i32.rem_s (get_local $x) (i32.const 2)))
+
+ (func (export "i64.no_fold_rem_s_2") (param $x i64) (result i64)
+ (i64.rem_s (get_local $x) (i64.const 2)))
+)
+
+(assert_return (invoke "i32.no_fold_rem_s_2" (i32.const -11)) (i32.const -1))
+(assert_return (invoke "i64.no_fold_rem_s_2" (i64.const -11)) (i64.const -1))
+
+;; Test that x/0 works
+
+(module
+ (func (export "i32.div_s_3") (param $x i32) (result i32)
+ (i32.div_s (get_local $x) (i32.const 0)))
+ (func (export "i32.div_u_3") (param $x i32) (result i32)
+ (i32.div_u (get_local $x) (i32.const 0)))
+
+ (func (export "i64.div_s_3") (param $x i64) (result i64)
+ (i64.div_s (get_local $x) (i64.const 0)))
+ (func (export "i64.div_u_3") (param $x i64) (result i64)
+ (i64.div_u (get_local $x) (i64.const 0)))
+)
+
+(assert_trap (invoke "i32.div_s_3" (i32.const 71)) "integer divide by zero")
+(assert_trap (invoke "i32.div_u_3" (i32.const 71)) "integer divide by zero")
+(assert_trap (invoke "i64.div_s_3" (i64.const 71)) "integer divide by zero")
+(assert_trap (invoke "i64.div_u_3" (i64.const 71)) "integer divide by zero")
+
+;; Test that x/3 works
+
+(module
+ (func (export "i32.div_s_3") (param $x i32) (result i32)
+ (i32.div_s (get_local $x) (i32.const 3)))
+ (func (export "i32.div_u_3") (param $x i32) (result i32)
+ (i32.div_u (get_local $x) (i32.const 3)))
+
+ (func (export "i64.div_s_3") (param $x i64) (result i64)
+ (i64.div_s (get_local $x) (i64.const 3)))
+ (func (export "i64.div_u_3") (param $x i64) (result i64)
+ (i64.div_u (get_local $x) (i64.const 3)))
+)
+
+(assert_return (invoke "i32.div_s_3" (i32.const 71)) (i32.const 23))
+(assert_return (invoke "i32.div_s_3" (i32.const 0x60000000)) (i32.const 0x20000000))
+(assert_return (invoke "i32.div_u_3" (i32.const 71)) (i32.const 23))
+(assert_return (invoke "i32.div_u_3" (i32.const 0xc0000000)) (i32.const 0x40000000))
+(assert_return (invoke "i64.div_s_3" (i64.const 71)) (i64.const 23))
+(assert_return (invoke "i64.div_s_3" (i64.const 0x3000000000000000)) (i64.const 0x1000000000000000))
+(assert_return (invoke "i64.div_u_3" (i64.const 71)) (i64.const 23))
+(assert_return (invoke "i64.div_u_3" (i64.const 0xc000000000000000)) (i64.const 0x4000000000000000))
+
+;; Test that x/5 works
+
+(module
+ (func (export "i32.div_s_5") (param $x i32) (result i32)
+ (i32.div_s (get_local $x) (i32.const 5)))
+ (func (export "i32.div_u_5") (param $x i32) (result i32)
+ (i32.div_u (get_local $x) (i32.const 5)))
+
+ (func (export "i64.div_s_5") (param $x i64) (result i64)
+ (i64.div_s (get_local $x) (i64.const 5)))
+ (func (export "i64.div_u_5") (param $x i64) (result i64)
+ (i64.div_u (get_local $x) (i64.const 5)))
+)
+
+(assert_return (invoke "i32.div_s_5" (i32.const 71)) (i32.const 14))
+(assert_return (invoke "i32.div_s_5" (i32.const 0x50000000)) (i32.const 0x10000000))
+(assert_return (invoke "i32.div_u_5" (i32.const 71)) (i32.const 14))
+(assert_return (invoke "i32.div_u_5" (i32.const 0xa0000000)) (i32.const 0x20000000))
+(assert_return (invoke "i64.div_s_5" (i64.const 71)) (i64.const 14))
+(assert_return (invoke "i64.div_s_5" (i64.const 0x5000000000000000)) (i64.const 0x1000000000000000))
+(assert_return (invoke "i64.div_u_5" (i64.const 71)) (i64.const 14))
+(assert_return (invoke "i64.div_u_5" (i64.const 0xa000000000000000)) (i64.const 0x2000000000000000))
+
+;; Test that x/7 works
+
+(module
+ (func (export "i32.div_s_7") (param $x i32) (result i32)
+ (i32.div_s (get_local $x) (i32.const 7)))
+ (func (export "i32.div_u_7") (param $x i32) (result i32)
+ (i32.div_u (get_local $x) (i32.const 7)))
+
+ (func (export "i64.div_s_7") (param $x i64) (result i64)
+ (i64.div_s (get_local $x) (i64.const 7)))
+ (func (export "i64.div_u_7") (param $x i64) (result i64)
+ (i64.div_u (get_local $x) (i64.const 7)))
+)
+
+(assert_return (invoke "i32.div_s_7" (i32.const 71)) (i32.const 10))
+(assert_return (invoke "i32.div_s_7" (i32.const 0x70000000)) (i32.const 0x10000000))
+(assert_return (invoke "i32.div_u_7" (i32.const 71)) (i32.const 10))
+(assert_return (invoke "i32.div_u_7" (i32.const 0xe0000000)) (i32.const 0x20000000))
+(assert_return (invoke "i64.div_s_7" (i64.const 71)) (i64.const 10))
+(assert_return (invoke "i64.div_s_7" (i64.const 0x7000000000000000)) (i64.const 0x1000000000000000))
+(assert_return (invoke "i64.div_u_7" (i64.const 71)) (i64.const 10))
+(assert_return (invoke "i64.div_u_7" (i64.const 0xe000000000000000)) (i64.const 0x2000000000000000))
+
+;; Test that x%3 works
+
+(module
+ (func (export "i32.rem_s_3") (param $x i32) (result i32)
+ (i32.rem_s (get_local $x) (i32.const 3)))
+ (func (export "i32.rem_u_3") (param $x i32) (result i32)
+ (i32.rem_u (get_local $x) (i32.const 3)))
+
+ (func (export "i64.rem_s_3") (param $x i64) (result i64)
+ (i64.rem_s (get_local $x) (i64.const 3)))
+ (func (export "i64.rem_u_3") (param $x i64) (result i64)
+ (i64.rem_u (get_local $x) (i64.const 3)))
+)
+
+(assert_return (invoke "i32.rem_s_3" (i32.const 71)) (i32.const 2))
+(assert_return (invoke "i32.rem_s_3" (i32.const 0x60000000)) (i32.const 0))
+(assert_return (invoke "i32.rem_u_3" (i32.const 71)) (i32.const 2))
+(assert_return (invoke "i32.rem_u_3" (i32.const 0xc0000000)) (i32.const 0))
+(assert_return (invoke "i64.rem_s_3" (i64.const 71)) (i64.const 2))
+(assert_return (invoke "i64.rem_s_3" (i64.const 0x3000000000000000)) (i64.const 0))
+(assert_return (invoke "i64.rem_u_3" (i64.const 71)) (i64.const 2))
+(assert_return (invoke "i64.rem_u_3" (i64.const 0xc000000000000000)) (i64.const 0))
+
+;; Test that x%5 works
+
+(module
+ (func (export "i32.rem_s_5") (param $x i32) (result i32)
+ (i32.rem_s (get_local $x) (i32.const 5)))
+ (func (export "i32.rem_u_5") (param $x i32) (result i32)
+ (i32.rem_u (get_local $x) (i32.const 5)))
+
+ (func (export "i64.rem_s_5") (param $x i64) (result i64)
+ (i64.rem_s (get_local $x) (i64.const 5)))
+ (func (export "i64.rem_u_5") (param $x i64) (result i64)
+ (i64.rem_u (get_local $x) (i64.const 5)))
+)
+
+(assert_return (invoke "i32.rem_s_5" (i32.const 71)) (i32.const 1))
+(assert_return (invoke "i32.rem_s_5" (i32.const 0x50000000)) (i32.const 0))
+(assert_return (invoke "i32.rem_u_5" (i32.const 71)) (i32.const 1))
+(assert_return (invoke "i32.rem_u_5" (i32.const 0xa0000000)) (i32.const 0))
+(assert_return (invoke "i64.rem_s_5" (i64.const 71)) (i64.const 1))
+(assert_return (invoke "i64.rem_s_5" (i64.const 0x5000000000000000)) (i64.const 0))
+(assert_return (invoke "i64.rem_u_5" (i64.const 71)) (i64.const 1))
+(assert_return (invoke "i64.rem_u_5" (i64.const 0xa000000000000000)) (i64.const 0))
+
+;; Test that x%7 works
+
+(module
+ (func (export "i32.rem_s_7") (param $x i32) (result i32)
+ (i32.rem_s (get_local $x) (i32.const 7)))
+ (func (export "i32.rem_u_7") (param $x i32) (result i32)
+ (i32.rem_u (get_local $x) (i32.const 7)))
+
+ (func (export "i64.rem_s_7") (param $x i64) (result i64)
+ (i64.rem_s (get_local $x) (i64.const 7)))
+ (func (export "i64.rem_u_7") (param $x i64) (result i64)
+ (i64.rem_u (get_local $x) (i64.const 7)))
+)
+
+(assert_return (invoke "i32.rem_s_7" (i32.const 71)) (i32.const 1))
+(assert_return (invoke "i32.rem_s_7" (i32.const 0x70000000)) (i32.const 0))
+(assert_return (invoke "i32.rem_u_7" (i32.const 71)) (i32.const 1))
+(assert_return (invoke "i32.rem_u_7" (i32.const 0xe0000000)) (i32.const 0))
+(assert_return (invoke "i64.rem_s_7" (i64.const 71)) (i64.const 1))
+(assert_return (invoke "i64.rem_s_7" (i64.const 0x7000000000000000)) (i64.const 0))
+(assert_return (invoke "i64.rem_u_7" (i64.const 71)) (i64.const 1))
+(assert_return (invoke "i64.rem_u_7" (i64.const 0xe000000000000000)) (i64.const 0))
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 10:55:23 +0000