diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-06-06 13:53:41 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-06-06 13:53:41 +0000 |
| commit | d14e4e133f940d0c1f454a40f3bd835a8c7a7886 (patch) | |
| tree | 1ad9c23a9a5cd06030668a9d0a6cafc99ff3b150 /lib/CodeGen/TailDuplication.cpp | |
| parent | c8f2fcc9a381f1e024656568f2face2f600e0328 (diff) | |
| download | llvm-d14e4e133f940d0c1f454a40f3bd835a8c7a7886.tar.gz llvm-d14e4e133f940d0c1f454a40f3bd835a8c7a7886.tar.bz2 llvm-d14e4e133f940d0c1f454a40f3bd835a8c7a7886.tar.xz | |
Stop leaking RegScavengers from TailDuplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158069 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
| -rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index d077b09193..a813fa65ac 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -28,6 +28,7 @@ #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/raw_ostream.h" #include "llvm/ADT/DenseSet.h" +#include "llvm/ADT/OwningPtr.h" #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/SetVector.h" #include "llvm/ADT/Statistic.h" @@ -62,7 +63,7 @@ namespace { const TargetRegisterInfo *TRI; MachineModuleInfo *MMI; MachineRegisterInfo *MRI; - RegScavenger *RS; + OwningPtr<RegScavenger> RS; bool PreRegAlloc; // SSAUpdateVRs - A list of virtual registers for which to update SSA form. @@ -132,9 +133,9 @@ bool TailDuplicatePass::runOnMachineFunction(MachineFunction &MF) { MRI = &MF.getRegInfo(); MMI = getAnalysisIfAvailable<MachineModuleInfo>(); PreRegAlloc = MRI->isSSA(); - RS = NULL; + RS.reset(); if (MRI->tracksLiveness() && TRI->trackLivenessAfterRegAlloc(MF)) - RS = new RegScavenger(); + RS.reset(new RegScavenger()); bool MadeChange = false; while (TailDuplicateBlocks(MF)) |