Add a getFirstNonPHI utility function.

llvm-svn: 107778
2010-07-07 14:33:51 +00:00
parent 5b0a8a863f
commit 88c547ede9
2 changed files with 14 additions and 0 deletions
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -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())