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Add a getFirstNonPHI utility function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-07-07 14:33:51 +00:00
parent b8c86a010c
commit d463a74464
2 changed files with 14 additions and 0 deletions
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lib/CodeGen/MachineBasicBlock.cpp
+7
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@@ -139,6 +139,13 @@ void ilist_traits<MachineInstr>::deleteNode(MachineInstr* MI) {
Parent->getParent()->DeleteMachineInstr(MI);
}
MachineBasicBlock::iterator MachineBasicBlock::getFirstNonPHI() {
iterator I = begin();
while (I != end() && I->isPHI())
++I;
return I;
}
MachineBasicBlock::iterator MachineBasicBlock::getFirstTerminator() {
iterator I = end();
while (I != begin() && (--I)->getDesc().isTerminator())