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author | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-31 00:50:52 +0000 |
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committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-10-31 00:50:52 +0000 |
commit | ebb31e9c42241905b17599db7ce2d1bbe102a356 (patch) | |
tree | f570a8be11151506a58a492692b0a428084e6991 /llvm/lib/CodeGen/MachineInstr.cpp | |
parent | c14b96898ab403b3b3f3c8abe3610c5518c280f6 (diff) | |
download | bcm5719-llvm-ebb31e9c42241905b17599db7ce2d1bbe102a356.tar.gz bcm5719-llvm-ebb31e9c42241905b17599db7ce2d1bbe102a356.zip |
Check that iterator I is not the end iterator.
llvm-svn: 167086
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
-rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index e8885761db2..ce8d52000b4 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1015,9 +1015,10 @@ MachineInstr::getRegClassConstraint(unsigned OpIdx, unsigned MachineInstr::getBundleSize() const { assert(isBundle() && "Expecting a bundle"); - MachineBasicBlock::const_instr_iterator I = *this; + const MachineBasicBlock *MBB = getParent(); + MachineBasicBlock::const_instr_iterator I = *this, E = MBB->instr_end(); unsigned Size = 0; - while ((++I)->isInsideBundle()) { + while ((++I != E) && I->isInsideBundle()) { ++Size; } assert(Size > 1 && "Malformed bundle"); |