commit c1e744b1da0eaa05ab2dc2894b6a10f05b8eec1f
author Yi Kong <yikong@google.com> Thu Feb 25 07:44:05 2021 +0000
committer Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> Thu Feb 25 07:44:05 2021 +0000
tree dade513ca5fb6e74be05a2b9ab97e2814a6ac863
parent 7edde507c4d308aa5d47f0fb631912ce44e4e308
parent dc35fdbb8d1a5331d48b6bf2348e613a876e4eba

PGO for libc++ am: c74f1b6bac am: 7f4b512be0 am: 043a8e2e07 am: dc35fdbb8d

Original change: https://android-review.googlesource.com/c/platform/external/libcxx/+/1605138

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I76b5a4c61395d5cc5fc24600eb0b7b46b36cc6b4

Android.bp

diff --git a/Android.bp b/Android.bp
index 2dbe41e..2d426ce 100644
--- a/Android.bp
+++ b/Android.bp
@@ -160,7 +160,16 @@
     whole_static_libs: ["libc++_static"],
     stl: "none",
 
+    pgo: {
+        sampling: true,
+    },
+
     target: {
+        android: {
+            pgo: {
+                profile_file: "libc++/libc++.profdata",
+            },
+        },
         darwin: {
             unexported_symbols_list: "lib/libc++unexp.exp",
             force_symbols_not_weak_list: "lib/notweak.exp",