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-rw-r--r--test/lit/passes/inlining-optimizing_optimize-level=3.wast8
-rw-r--r--test/lit/passes/local-cse.wast49
2 files changed, 53 insertions, 4 deletions
diff --git a/test/lit/passes/inlining-optimizing_optimize-level=3.wast b/test/lit/passes/inlining-optimizing_optimize-level=3.wast
index c6c4f389c..659a6e04d 100644
--- a/test/lit/passes/inlining-optimizing_optimize-level=3.wast
+++ b/test/lit/passes/inlining-optimizing_optimize-level=3.wast
@@ -1342,14 +1342,14 @@
;; CHECK-NEXT: (block
;; CHECK-NEXT: (local.set $0
;; CHECK-NEXT: (if (result i32)
- ;; CHECK-NEXT: (i32.load
- ;; CHECK-NEXT: (i32.const 12)
- ;; CHECK-NEXT: )
- ;; CHECK-NEXT: (call $_fflush
+ ;; CHECK-NEXT: (local.tee $0
;; CHECK-NEXT: (i32.load
;; CHECK-NEXT: (i32.const 12)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (call $_fflush
+ ;; CHECK-NEXT: (local.get $0)
+ ;; CHECK-NEXT: )
;; CHECK-NEXT: (i32.const 0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
diff --git a/test/lit/passes/local-cse.wast b/test/lit/passes/local-cse.wast
index a2e728548..b3f32fddc 100644
--- a/test/lit/passes/local-cse.wast
+++ b/test/lit/passes/local-cse.wast
@@ -386,6 +386,55 @@
)
)
)
+
+ ;; CHECK: (func $dominance
+ ;; CHECK-NEXT: (local $0 i32)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.tee $0
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (i32.const 2)
+ ;; CHECK-NEXT: (i32.const 3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (if
+ ;; CHECK-NEXT: (i32.const 0)
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (local.get $0)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: (drop
+ ;; CHECK-NEXT: (i32.add
+ ;; CHECK-NEXT: (i32.const 2)
+ ;; CHECK-NEXT: (i32.const 3)
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ ;; CHECK-NEXT: )
+ (func $dominance
+ (drop
+ (i32.add
+ (i32.const 2)
+ (i32.const 3)
+ )
+ )
+ (if
+ (i32.const 0)
+ ;; This add is dominated by the above, so we can use a tee of it.
+ (drop
+ (i32.add
+ (i32.const 2)
+ (i32.const 3)
+ )
+ )
+ ;; We could optimize this add as well, but do not yet. TODO
+ (drop
+ (i32.add
+ (i32.const 2)
+ (i32.const 3)
+ )
+ )
+ )
+ )
)
(module