From f7df173e3bf03c0d91adfa695fd9845583fb9d49 Mon Sep 17 00:00:00 2001 From: Alkis Evlogimenos Date: Tue, 13 Jan 2004 20:37:01 +0000 Subject: [PATCH] Fix bug introduced by previous commit: check if fixed intervals overlap before adding their spill weight. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10819 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/RegAllocLinearScan.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index 1116edd39a5..616c438f556 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -547,6 +547,9 @@ void RA::assignStackSlotAtInterval(IntervalPtrs::value_type cur) // for each fixed interval that overlaps for (IntervalPtrs::const_iterator i = fixed_.begin(), e = fixed_.end(); i != e; ++i) { + if (!cur->overlaps(**i)) + continue; + assert((*i)->reg < MRegisterInfo::FirstVirtualRegister && "virtual register interval in fixed set?"); updateWeight(regWeight, (*i)->reg, (*i)->weight); -- 2.34.1