Refactoring: Extract method PHIElimination::isLiveOut().
Clean up some whitespace.
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86724 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PHIElimination.h b/lib/CodeGen/PHIElimination.h
index 3d02dfd..8a04f9d 100644
--- a/lib/CodeGen/PHIElimination.h
+++ b/lib/CodeGen/PHIElimination.h
@@ -89,6 +89,12 @@
///
void analyzePHINodes(const MachineFunction& Fn);
+ /// isLiveOut - Determine if Reg is live out from MBB, when not
+ /// considering PHI nodes. This means that Reg is either killed by
+ /// a successor block or passed through one.
+ bool isLiveOut(unsigned Reg, const MachineBasicBlock &MBB,
+ LiveVariables &LV);
+
// FindCopyInsertPoint - Find a safe place in MBB to insert a copy from
// SrcReg. This needs to be after any def or uses of SrcReg, but before
// any subsequent point where control flow might jump out of the basic