From e29e9774a404f64e1bfec06148f39e734f77e599 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Wed, 16 Apr 2008 01:22:28 +0000 Subject: Avoid read after free. llvm-svn: 49760 --- llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib/CodeGen') diff --git a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp index 4ea1ae7e10e..cac10c4e0b3 100644 --- a/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -553,7 +553,6 @@ static void removeRange(LiveInterval &li, unsigned Start, unsigned End, static void removeIntervalIfEmpty(LiveInterval &li, LiveIntervals *li_, const TargetRegisterInfo *tri_) { if (li.empty()) { - li_->removeInterval(li.reg); if (TargetRegisterInfo::isPhysicalRegister(li.reg)) for (const unsigned* SR = tri_->getSubRegisters(li.reg); *SR; ++SR) { if (!li_->hasInterval(*SR)) @@ -562,6 +561,7 @@ static void removeIntervalIfEmpty(LiveInterval &li, LiveIntervals *li_, if (sli.empty()) li_->removeInterval(*SR); } + li_->removeInterval(li.reg); } } -- cgit v1.2.3