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Simplify some of the PHI node interfaces

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-03-05 21:15:12 +00:00
parent e2ca540e7c
commit 05ddff9b98
2 changed files with 18 additions and 17 deletions
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16
include/llvm/iPHINode.h
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@@ -61,7 +61,12 @@ public:
}
/// addIncoming - Add an incoming value to the end of the PHI list
void addIncoming(Value *D, BasicBlock *BB);
void addIncoming(Value *D, BasicBlock *BB) {
assert(getType() == D->getType() &&
"All operands to PHI node must be the same type as the PHI node!");
Operands.push_back(Use(D, this));
Operands.push_back(Use((Value*)BB, this));
}
/// removeIncomingValue - Remove an incoming value. This is useful if a
/// predecessor basic block is deleted. The value removed is returned.
@@ -71,8 +76,13 @@ public:
/// dummy values. The only time there should be zero incoming values to a PHI
/// node is when the block is dead, so this strategy is sound.
///
Value *removeIncomingValue(const BasicBlock *BB,
bool DeletePHIIfEmpty = true);
Value *removeIncomingValue(unsigned Idx, bool DeletePHIIfEmpty = true);
Value *removeIncomingValue(const BasicBlock *BB, bool DeletePHIIfEmpty =true){
int Idx = getBasicBlockIndex(BB);
assert(Idx >= 0 && "Invalid basic block argument to remove!");
return removeIncomingValue(Idx, DeletePHIIfEmpty);
}
/// getBasicBlockIndex - Return the first index of the specified basic
/// block in the value list for this PHI. Returns -1 if no instance.