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| author | Mingyao Yang <mingyao@google.com> | 2015-02-27 14:43:53 -0800 |
|---|---|---|
| committer | Mingyao Yang <mingyao@google.com> | 2015-03-02 15:45:08 -0800 |
| commit | 4559f000b323b64e4bd179b72cfb788b30b25b23 (patch) | |
| tree | 00728f44d761f8663bbadc51d6d6eb67c42465ff /test/449-checker-bce | |
| parent | 1d8587fe1d98909b4949282f14c0334085fdc964 (diff) | |
| download | art-4559f000b323b64e4bd179b72cfb788b30b25b23.zip art-4559f000b323b64e4bd179b72cfb788b30b25b23.tar.gz art-4559f000b323b64e4bd179b72cfb788b30b25b23.tar.bz2 | |
bce: handle a pattern for circular buffer
Change-Id: Ie54bdd7c044af58deea0d0addaaa8186cabf3532
Diffstat (limited to 'test/449-checker-bce')
| -rw-r--r-- | test/449-checker-bce/src/Main.java | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/449-checker-bce/src/Main.java b/test/449-checker-bce/src/Main.java index ad4092b..ebd5b0e 100644 --- a/test/449-checker-bce/src/Main.java +++ b/test/449-checker-bce/src/Main.java @@ -314,6 +314,29 @@ public class Main { array[10] = 1; // Bounds check can't be eliminated. } + + static byte readData() { + return 1; + } + + // CHECK-START: void Main.circularBufferProducer() BCE (before) + // CHECK: BoundsCheck + // CHECK: ArraySet + + // CHECK-START: void Main.circularBufferProducer() BCE (after) + // CHECK-NOT: BoundsCheck + // CHECK: ArraySet + + static void circularBufferProducer() { + byte[] array = new byte[4096]; + int i = 0; + while (true) { + array[i & (array.length - 1)] = readData(); + i++; + } + } + + // CHECK-START: void Main.pyramid1(int[]) BCE (before) // CHECK: BoundsCheck // CHECK: ArraySet |