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author | Dan Gohman <gohman@apple.com> | 2010-05-28 16:19:17 +0000 |
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committer | Dan Gohman <gohman@apple.com> | 2010-05-28 16:19:17 +0000 |
commit | dd9344f3face8f1978a7f9f393c31b628144d1f6 (patch) | |
tree | 2af3aa062792112ee7c2e9793bf8a6db7b25ee42 /include/llvm/Transforms/Utils | |
parent | 700012231d58cd3f1bab21cb0e003d98253045a4 (diff) | |
download | external_llvm-dd9344f3face8f1978a7f9f393c31b628144d1f6.zip external_llvm-dd9344f3face8f1978a7f9f393c31b628144d1f6.tar.gz external_llvm-dd9344f3face8f1978a7f9f393c31b628144d1f6.tar.bz2 |
Move FindAvailableLoadedValue isSafeToLoadUnconditionally out of
lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104949 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Transforms/Utils')
-rw-r--r-- | include/llvm/Transforms/Utils/BasicBlockUtils.h | 18 | ||||
-rw-r--r-- | include/llvm/Transforms/Utils/Local.h | 11 |
2 files changed, 0 insertions, 29 deletions
diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h index 5279e96..0f54450 100644 --- a/include/llvm/Transforms/Utils/BasicBlockUtils.h +++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h @@ -66,24 +66,6 @@ void ReplaceInstWithInst(BasicBlock::InstListType &BIL, // void ReplaceInstWithInst(Instruction *From, Instruction *To); -/// FindAvailableLoadedValue - Scan the ScanBB block backwards (starting at the -/// instruction before ScanFrom) checking to see if we have the value at the -/// memory address *Ptr locally available within a small number of instructions. -/// If the value is available, return it. -/// -/// If not, return the iterator for the last validated instruction that the -/// value would be live through. If we scanned the entire block and didn't find -/// something that invalidates *Ptr or provides it, ScanFrom would be left at -/// begin() and this returns null. ScanFrom could also be left -/// -/// MaxInstsToScan specifies the maximum instructions to scan in the block. If -/// it is set to 0, it will scan the whole block. You can also optionally -/// specify an alias analysis implementation, which makes this more precise. -Value *FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB, - BasicBlock::iterator &ScanFrom, - unsigned MaxInstsToScan = 6, - AliasAnalysis *AA = 0); - /// FindFunctionBackedges - Analyze the specified function to find all of the /// loop backedges in the function and return them. This is a relatively cheap /// (compared to computing dominators and loop info) analysis. diff --git a/include/llvm/Transforms/Utils/Local.h b/include/llvm/Transforms/Utils/Local.h index bb6fd56..b277970 100644 --- a/include/llvm/Transforms/Utils/Local.h +++ b/include/llvm/Transforms/Utils/Local.h @@ -31,17 +31,6 @@ class TargetData; template<typename T> class SmallVectorImpl; //===----------------------------------------------------------------------===// -// Local analysis. -// - -/// isSafeToLoadUnconditionally - Return true if we know that executing a load -/// from this value cannot trap. If it is not obviously safe to load from the -/// specified pointer, we do a quick local scan of the basic block containing -/// ScanFrom, to determine if the address is already accessed. -bool isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom, - unsigned Align, const TargetData *TD = 0); - -//===----------------------------------------------------------------------===// // Local constant propagation. // |