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Add even more constatness in MachineDominators.h. 

llvm-svn: 175358
This commit is contained in:
Jakub Staszak 2013-02-16 12:36:32 +00:00
parent 6a62c29f6b
commit 1f62596fde
1 changed files with 3 additions and 3 deletions
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6
llvm/include/llvm/CodeGen/MachineDominators.h
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@ -80,12 +80,12 @@ public:
// dominates - Return true if A dominates B. This performs the
// special checks necessary if A and B are in the same basic block.
bool dominates(MachineInstr *A, MachineInstr *B) const {
MachineBasicBlock *BBA = A->getParent(), *BBB = B->getParent();
bool dominates(const MachineInstr *A, const MachineInstr *B) const {
const MachineBasicBlock *BBA = A->getParent(), *BBB = B->getParent();
if (BBA != BBB) return DT->dominates(BBA, BBB);
// Loop through the basic block until we find A or B.
MachineBasicBlock::iterator I = BBA->begin();
MachineBasicBlock::const_iterator I = BBA->begin();
for (; &*I != A && &*I != B; ++I)
/*empty*/ ;