diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-09 22:08:26 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-09 22:08:26 +0000 |
| commit | 420798ca4f5e1f4368f9300cabb9d3c5c80dccab (patch) | |
| tree | 67eb4809167dd1829130da6fa4d7fb8a65490b70 /llvm/lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 4238a89db8c57487a5c27b7ca60cb0fc3459df6b (diff) | |
| download | bcm5719-llvm-420798ca4f5e1f4368f9300cabb9d3c5c80dccab.tar.gz bcm5719-llvm-420798ca4f5e1f4368f9300cabb9d3c5c80dccab.zip | |
Fix a future TwoAddressInstructionPass crash.
No test case, the crash only happens when the default use list order is
changed.
llvm-svn: 161627
Diffstat (limited to 'llvm/lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TwoAddressInstructionPass.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp index d22274496ab..9a219a6b000 100644 --- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -235,7 +235,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB, // appropriate location, we can try to sink the current instruction // past it. if (!KillMI || KillMI->getParent() != MBB || KillMI == MI || - KillMI->isTerminator()) + KillMI == OldPos || KillMI->isTerminator()) return false; // If any of the definitions are used by another instruction between the @@ -278,6 +278,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB, } } } + assert(KillMO && "Didn't find kill"); // Update kill and LV information. KillMO->setIsKill(false); |
