mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-27 15:57:13 +00:00
add a method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31249 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
1b9c8e73b5
commit
7466ebf045
@ -107,6 +107,12 @@ public:
|
|||||||
// induction variable canonicalization pass should be used to normalize loops
|
// induction variable canonicalization pass should be used to normalize loops
|
||||||
// for easy analysis. These methods assume canonical loops.
|
// for easy analysis. These methods assume canonical loops.
|
||||||
|
|
||||||
|
/// getExitingBlocks - Return all blocks inside the loop that have successors
|
||||||
|
/// outside of the loop. These are the blocks _inside of the current loop_
|
||||||
|
/// which branch out. The returned list is always unique.
|
||||||
|
///
|
||||||
|
void getExitingBlocks(std::vector<BasicBlock*> &Blocks) const;
|
||||||
|
|
||||||
/// getExitBlocks - Return all of the successor blocks of this loop. These
|
/// getExitBlocks - Return all of the successor blocks of this loop. These
|
||||||
/// are the blocks _outside of the current loop_ which are branched to.
|
/// are the blocks _outside of the current loop_ which are branched to.
|
||||||
///
|
///
|
||||||
|
@ -332,6 +332,26 @@ void LoopInfo::removeBlock(BasicBlock *BB) {
|
|||||||
// APIs for simple analysis of the loop.
|
// APIs for simple analysis of the loop.
|
||||||
//
|
//
|
||||||
|
|
||||||
|
/// getExitingBlocks - Return all blocks inside the loop that have successors
|
||||||
|
/// outside of the loop. These are the blocks _inside of the current loop_
|
||||||
|
/// which branch out. The returned list is always unique.
|
||||||
|
///
|
||||||
|
void Loop::getExitingBlocks(std::vector<BasicBlock*> &ExitingBlocks) const {
|
||||||
|
// Sort the blocks vector so that we can use binary search to do quick
|
||||||
|
// lookups.
|
||||||
|
std::vector<BasicBlock*> LoopBBs(block_begin(), block_end());
|
||||||
|
std::sort(LoopBBs.begin(), LoopBBs.end());
|
||||||
|
|
||||||
|
for (std::vector<BasicBlock*>::const_iterator BI = Blocks.begin(),
|
||||||
|
BE = Blocks.end(); BI != BE; ++BI)
|
||||||
|
for (succ_iterator I = succ_begin(*BI), E = succ_end(*BI); I != E; ++I)
|
||||||
|
if (!std::binary_search(LoopBBs.begin(), LoopBBs.end(), *I)) {
|
||||||
|
// Not in current loop? It must be an exit block.
|
||||||
|
ExitingBlocks.push_back(*BI);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
/// getExitBlocks - Return all of the successor blocks of this loop. These
|
/// getExitBlocks - Return all of the successor blocks of this loop. These
|
||||||
/// are the blocks _outside of the current loop_ which are branched to.
|
/// are the blocks _outside of the current loop_ which are branched to.
|
||||||
///
|
///
|
||||||
|
Loading…
Reference in New Issue
Block a user