diff options
Diffstat (limited to 'test/lit/passes/optimize-instructions.wast')
| -rw-r--r-- | test/lit/passes/optimize-instructions.wast | 125 |
1 files changed, 117 insertions, 8 deletions
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast index 3c9cfb2be..71d4e7fe3 100644 --- a/test/lit/passes/optimize-instructions.wast +++ b/test/lit/passes/optimize-instructions.wast @@ -893,9 +893,35 @@ ) ) ) + ;; CHECK: (func $select-or-negation (param $x i32) (param $y i32) (result i32) + ;; CHECK-NEXT: (i32.and + ;; CHECK-NEXT: (i32.eq + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 1337) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.ge_u + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 20) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + (func $select-or-negation (param $x i32) (param $y i32) (result i32) + (select + ;; We can turn this select into an and by negating the condition. + (i32.const 0) + (i32.eq + (local.get $y) + (i32.const 1337) + ) + (i32.lt_u + (local.get $x) + (i32.const 20) + ) + ) + ) ;; CHECK: (func $select-or-no-const (param $x i32) (param $y i32) (result i32) ;; CHECK-NEXT: (select - ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: (i32.const 2) ;; CHECK-NEXT: (i32.eq ;; CHECK-NEXT: (local.get $y) ;; CHECK-NEXT: (i32.const 1337) @@ -908,8 +934,8 @@ ;; CHECK-NEXT: ) (func $select-or-no-const (param $x i32) (param $y i32) (result i32) (select - ;; The wrong const (should be 1). - (i32.const 0) + ;; The wrong const (should be 0 or 1). + (i32.const 2) (i32.eq (local.get $y) (i32.const 1337) @@ -945,14 +971,97 @@ ) ) ) - ;; CHECK: (func $select-and-no-const (param $x i32) (param $y i32) (result i32) + ;; CHECK: (func $select-and-negation (param $x i32) (param $y i32) (result i32) + ;; CHECK-NEXT: (i32.or + ;; CHECK-NEXT: (i32.eq + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 1337) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.ne + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 42) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + (func $select-and-negation (param $x i32) (param $y i32) (result i32) + (select + (i32.eq + (local.get $y) + (i32.const 1337) + ) + ;; With a 1 here, we negate the condition. + (i32.const 1) + (i32.eq + (local.get $x) + (i32.const 42) + ) + ) + ) + ;; CHECK: (func $select-and-negation-impossible (param $x i32) (param $y i32) (result i32) + ;; CHECK-NEXT: (select + ;; CHECK-NEXT: (i32.eq + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 1337) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 1) + ;; CHECK-NEXT: (i32.shr_u + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 31) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + (func $select-and-negation-impossible (param $x i32) (param $y i32) (result i32) + (select + (i32.eq + (local.get $y) + (i32.const 1337) + ) + ;; With a 1 here, we must negate the condition, but the condition here + ;; cannot be negated in a simple way, so skip. + (i32.const 1) + (i32.shr_u + (local.get $x) + (i32.const 31) + ) + ) + ) + ;; CHECK: (func $select-and-negation-impossible-float (param $x f64) (param $y i32) (result i32) ;; CHECK-NEXT: (select ;; CHECK-NEXT: (i32.eq ;; CHECK-NEXT: (local.get $y) ;; CHECK-NEXT: (i32.const 1337) ;; CHECK-NEXT: ) ;; CHECK-NEXT: (i32.const 1) + ;; CHECK-NEXT: (f64.le + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (f64.const 3.14159) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + (func $select-and-negation-impossible-float (param $x f64) (param $y i32) (result i32) + (select + (i32.eq + (local.get $y) + (i32.const 1337) + ) + ;; With a 1 here, we must negate the condition, but the condition here + ;; cannot be negated due to it operating on floats (where NaNs cause + ;; difficulties), so we skip. + (i32.const 1) + (f64.le + (local.get $x) + (f64.const 3.14159) + ) + ) + ) + ;; CHECK: (func $select-and-no-const (param $x i32) (param $y i32) (result i32) + ;; CHECK-NEXT: (select + ;; CHECK-NEXT: (i32.const 2) ;; CHECK-NEXT: (i32.eq + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 1337) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.ne ;; CHECK-NEXT: (local.get $x) ;; CHECK-NEXT: (i32.const 42) ;; CHECK-NEXT: ) @@ -964,8 +1073,8 @@ (local.get $y) (i32.const 1337) ) - ;; The wrong constant (should be 0). - (i32.const 1) + ;; The wrong constant (should be 0 or 1). + (i32.const 2) (i32.eq (local.get $x) (i32.const 42) @@ -11271,9 +11380,9 @@ ;; CHECK-NEXT: ) ;; CHECK-NEXT: (drop ;; CHECK-NEXT: (select - ;; CHECK-NEXT: (i64.const 0) ;; CHECK-NEXT: (local.get $y) - ;; CHECK-NEXT: (i64.ne + ;; CHECK-NEXT: (i64.const 0) + ;; CHECK-NEXT: (i64.eq ;; CHECK-NEXT: (local.get $y) ;; CHECK-NEXT: (i64.const 1) ;; CHECK-NEXT: ) |