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| author | Max Graey <maxgraey@gmail.com> | 2021-12-05 02:09:54 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-04 16:09:54 -0800 |
| commit | 80ba2559f08422e60281ebf15856676b81f22a76 (patch) | |
| tree | 3562195cca99d647bc2eb749270c01f89faa304a /test | |
| parent | dc432f3c2d3fdd18a0ac936057a76e7483907e99 (diff) | |
| download | binaryen-80ba2559f08422e60281ebf15856676b81f22a76.tar.gz binaryen-80ba2559f08422e60281ebf15856676b81f22a76.tar.bz2 binaryen-80ba2559f08422e60281ebf15856676b81f22a76.zip | |
[OptimizeInstructions] Combine some relational ops joined Or/And (Part 3) (#4338)
(i32(x) < 0) | (i32(y) < 0) ==> i32(x | y) < 0
(i32(x) != 0) | (i32(y) != 0) ==> i32(x | y) != 0
Likewise for i64.
Diffstat (limited to 'test')
| -rw-r--r-- | test/lit/passes/optimize-instructions.wast | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/test/lit/passes/optimize-instructions.wast b/test/lit/passes/optimize-instructions.wast index 574671076..9a5d33f87 100644 --- a/test/lit/passes/optimize-instructions.wast +++ b/test/lit/passes/optimize-instructions.wast @@ -11034,6 +11034,91 @@ (i64.ne (local.get $b) (i64.const 0)) )) ) + ;; CHECK: (func $optimize-combined-by-or-lessthan-zero (param $x i32) (param $y i32) (param $a i64) (param $b i64) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (i32.lt_s + ;; CHECK-NEXT: (i32.or + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (i64.lt_s + ;; CHECK-NEXT: (i64.or + ;; CHECK-NEXT: (local.get $a) + ;; CHECK-NEXT: (local.get $b) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i64.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (i32.or + ;; CHECK-NEXT: (i32.lt_s + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i64.lt_s + ;; CHECK-NEXT: (local.get $a) + ;; CHECK-NEXT: (i64.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (i32.or + ;; CHECK-NEXT: (i32.lt_s + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.le_s + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (i32.or + ;; CHECK-NEXT: (i32.lt_s + ;; CHECK-NEXT: (local.get $y) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (i32.le_s + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 0) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + (func $optimize-combined-by-or-lessthan-zero (param $x i32) (param $y i32) (param $a i64) (param $b i64) + ;; (i32(x) < 0) | (i32(y) < 0) ==> i32(x | y) < 0 + (drop (i32.or + (i32.lt_s (local.get $x) (i32.const 0)) + (i32.lt_s (local.get $y) (i32.const 0)) + )) + ;; (i64(x) < 0) | (i64(y) < 0) ==> i64(x | y) < 0 + (drop (i32.or + (i64.lt_s (local.get $a) (i64.const 0)) + (i64.lt_s (local.get $b) (i64.const 0)) + )) + + ;; skips + ;; (i32(x) < 0) | (i64(a) < 0) ==> skip + (drop (i32.or + (i32.lt_s (local.get $x) (i32.const 0)) + (i64.lt_s (local.get $a) (i64.const 0)) + )) + ;; (i32(x) <= 0) | (i32(y) < 0) ==> skip + (drop (i32.or + (i32.le_s (local.get $x) (i32.const 0)) + (i32.lt_s (local.get $y) (i32.const 0)) + )) + ;; (i32(x) < 1) | (i32(y) < 0) ==> skip + (drop (i32.or + (i32.lt_s (local.get $x) (i32.const 1)) + (i32.lt_s (local.get $y) (i32.const 0)) + )) + ) ;; CHECK: (func $optimize-relationals (param $x i32) (param $y i32) (param $X i64) (param $Y i64) ;; CHECK-NEXT: (drop ;; CHECK-NEXT: (i32.eq |