From aa695c92eee8dd474bb6c1e1bf81b5e6dcd2ad4b Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Thu, 19 Mar 2015 00:57:51 +0000
Subject: [PATCH] SelectionDAGBuilder: update comment in
HandlePHINodesInSuccessorBlocks.
From what I can tell, the code is checking for PHIs that expect any value from
this block, not just constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232697 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index f3641ec157d..83472ef7f3f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -7737,8 +7737,8 @@ SelectionDAGBuilder::HandlePHINodesInSuccessorBlocks(const BasicBlock *LLVMBB) {
SmallPtrSet<MachineBasicBlock *, 4> SuccsHandled;
- // Check successor nodes' PHI nodes that expect a constant to be available
- // from this block.
+ // Check PHI nodes in successors that expect a value to be available from this
+ // block.
for (unsigned succ = 0, e = TI->getNumSuccessors(); succ != e; ++succ) {
const BasicBlock *SuccBB = TI->getSuccessor(succ);
if (!isa<PHINode>(SuccBB->begin())) continue;
--
2.34.1