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Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to

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use it instead of duplicating its functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-05-23 21:05:58 +00:00
parent ee335e35ac
commit 02dea8b39f
16 changed files with 38 additions and 62 deletions
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17
lib/VMCore/BasicBlock.cpp
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@@ -143,15 +143,14 @@ const TerminatorInst *BasicBlock::getTerminator() const {
return dyn_cast<TerminatorInst>(&InstList.back());
}
Instruction* BasicBlock::getFirstNonPHI()
{
BasicBlock::iterator i = begin();
// All valid basic blocks should have a terminator,
// which is not a PHINode. If we have invalid basic
// block we'll get assert when dereferencing past-the-end
// iterator.
while (isa<PHINode>(i)) ++i;
return &*i;
Instruction* BasicBlock::getFirstNonPHI() {
BasicBlock::iterator i = begin();
// All valid basic blocks should have a terminator,
// which is not a PHINode. If we have an invalid basic
// block we'll get an assertion failure when dereferencing
// a past-the-end iterator.
while (isa<PHINode>(i)) ++i;
return &*i;
}
void BasicBlock::dropAllReferences() {