From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 15 Aug 2012 19:34:23 +0000
Subject: Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
---
lib/CodeGen/LiveIntervalUnion.cpp | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
(limited to 'lib/CodeGen/LiveIntervalUnion.cpp')
diff --git a/lib/CodeGen/LiveIntervalUnion.cpp b/lib/CodeGen/LiveIntervalUnion.cpp
index 60a6880..dadd02b 100644
--- a/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/lib/CodeGen/LiveIntervalUnion.cpp
@@ -81,7 +81,6 @@ void LiveIntervalUnion::extract(LiveInterval &VirtReg) {
void
LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const {
- OS << "LIU " << PrintReg(RepReg, TRI);
if (empty()) {
OS << " empty\n";
return;
@@ -209,3 +208,26 @@ bool LiveIntervalUnion::Query::checkLoopInterference(MachineLoopRange *Loop) {
VRI = VirtReg->advanceTo(VRI, Overlaps.start());
}
}
+
+void LiveIntervalUnion::Array::init(LiveIntervalUnion::Allocator &Alloc,
+ unsigned NSize) {
+ // Reuse existing allocation.
+ if (NSize == Size)
+ return;
+ clear();
+ Size = NSize;
+ LIUs = static_cast<LiveIntervalUnion*>(
+ malloc(sizeof(LiveIntervalUnion)*NSize));
+ for (unsigned i = 0; i != Size; ++i)
+ new(LIUs + i) LiveIntervalUnion(Alloc);
+}
+
+void LiveIntervalUnion::Array::clear() {
+ if (!LIUs)
+ return;
+ for (unsigned i = 0; i != Size; ++i)
+ LIUs[i].~LiveIntervalUnion();
+ free(LIUs);
+ Size = 0;
+ LIUs = 0;
+}
--
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