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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-09-27 16:34:19 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-09-27 16:34:19 +0000 |
| commit | ddc26d89362330995f59ad29eb8bb439a817050b (patch) | |
| tree | ed47f43030702a88de56fafdd8096f1b5e510926 /lib/CodeGen/LiveRangeEdit.cpp | |
| parent | 7149ef0176240ee5a09b0f6ad6300d1a966a31d1 (diff) | |
| download | llvm-ddc26d89362330995f59ad29eb8bb439a817050b.tar.gz llvm-ddc26d89362330995f59ad29eb8bb439a817050b.tar.bz2 llvm-ddc26d89362330995f59ad29eb8bb439a817050b.tar.xz | |
Avoid dereferencing a NULL pointer.
Fixes PR13943.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164778 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeEdit.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp index b4ce9aa8c1..82710414b3 100644 --- a/lib/CodeGen/LiveRangeEdit.cpp +++ b/lib/CodeGen/LiveRangeEdit.cpp @@ -87,7 +87,7 @@ bool LiveRangeEdit::allUsesAvailableAt(const MachineInstr *OrigMI, // We can't remat physreg uses, unless it is a constant. if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) { - if (MRI.isConstantPhysReg(MO.getReg(), VRM->getMachineFunction())) + if (MRI.isConstantPhysReg(MO.getReg(), *OrigMI->getParent()->getParent())) continue; return false; } |