From f58ab2a81802e73aa599b6e21db52ef78a8fd4f7 Mon Sep 17 00:00:00 2001
From: dongAxis <dongaxis@linux.alibaba.com>
Date: Mon, 7 Sep 2020 11:43:16 +0800
Subject: [PATCH] When dumping results of StackLifetime, it will print the
 following log:

BB  [7, 8): begin {}, end {}, livein {}, liveout {}
BB  [1, 2): begin {}, end {}, livein {}, liveout {}
...

But it is not convenient to know what the basic block is.
So I add the basic block name to it.

Reviewed By: vitalybuka
TestPlan: check-llvm
Differential Revision: https://reviews.llvm.org/D87152
---
 lib/Analysis/StackLifetime.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Analysis/StackLifetime.cpp b/lib/Analysis/StackLifetime.cpp
index f95a8918afb..ab5f2db7d1c 100644
--- a/lib/Analysis/StackLifetime.cpp
+++ b/lib/Analysis/StackLifetime.cpp
@@ -292,7 +292,7 @@ LLVM_DUMP_METHOD void StackLifetime::dumpBlockLiveness() const {
     const BasicBlock *BB = IT.getFirst();
     const BlockLifetimeInfo &BlockInfo = BlockLiveness.find(BB)->getSecond();
     auto BlockRange = BlockInstRange.find(BB)->getSecond();
-    dbgs() << "  BB [" << BlockRange.first << ", " << BlockRange.second
+    dbgs() << "  BB (" << BB->getName() << ") [" << BlockRange.first << ", " << BlockRange.second
            << "): begin " << BlockInfo.Begin << ", end " << BlockInfo.End
            << ", livein " << BlockInfo.LiveIn << ", liveout "
            << BlockInfo.LiveOut << "\n";