commit aa1487f791c7bc131af817136cabff37e8f6828d
author Ian Zerny <zerny@google.com> Tue Jan 26 11:23:33 2021 +0100
committer Ian Zerny <zerny@google.com> Tue Jan 26 11:23:33 2021 +0100
tree b07f4da4a45a7613cd96329e10be5a554962516f
parent 8fee928fbd1bb89d6e103c28150a39b8fc392ebb

Consider all users when determining only-used-in-block.

Bug: 175332495
Change-Id: I9642ed4a0a744f17e14337d6c997b8c8d932b770

src/main/java/com/android/tools/r8/ir/code/Value.java

diff --git a/src/main/java/com/android/tools/r8/ir/code/Value.java b/src/main/java/com/android/tools/r8/ir/code/Value.java
index 82b3919..3205733 100644
--- a/src/main/java/com/android/tools/r8/ir/code/Value.java
+++ b/src/main/java/com/android/tools/r8/ir/code/Value.java
@@ -427,8 +427,11 @@
   }
 
   public boolean onlyUsedInBlock(BasicBlock block) {
-    for (Instruction user : uniqueUsers()) {
-      if (user.getBlock() != block) {
+    if (hasPhiUsers() || hasDebugUsers()) {
+      return false;
+    }
+    for (Phi phiUser : uniquePhiUsers()) {
+      if (phiUser.getBlock() != block) {
         return false;
       }
     }