Tweak comment and debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index acf7f95..195e483 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -958,7 +958,8 @@
//
// ~ Interference after last use.
// |---o---o--o| Live-out on stack, late last use.
- // =========____ Copy to stack after LSP, overlap MainIntv.
+ // ============ Copy to stack after LSP, overlap MainIntv.
+ // \_____ Stack interval is live-out.
//
if (!RegOut && Intf.first() > BI.LastUse.getBoundaryIndex()) {
assert(RegIn && "Stack-in, stack-out should already be handled");
@@ -998,8 +999,8 @@
// The interference is overlapping somewhere we wanted to use MainIntv. That
// means we need to create a local interval that can be allocated a
// different register.
- DEBUG(dbgs() << ", creating local interval.\n");
unsigned LocalIntv = SE->openIntv();
+ DEBUG(dbgs() << ", creating local interval " << LocalIntv << ".\n");
// We may be creating copies directly between MainIntv and LocalIntv,
// bypassing the stack interval. When we do that, we should never use the