diff options
author | Duncan Sands <baldrick@free.fr> | 2010-11-03 14:45:05 +0000 |
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committer | Duncan Sands <baldrick@free.fr> | 2010-11-03 14:45:05 +0000 |
commit | 391f5bce046e229a8d52faf317a7ab980aff0dbb (patch) | |
tree | 4ea1c0aac0cc9288515ecb3763d3c03b409b16c2 /lib/Transforms/IPO/FunctionAttrs.cpp | |
parent | cdfad36b401be6fc709ea4051f9de58e1a30bcc9 (diff) |
Rename PointsToLocalMemory to PointsToLocalOrConstantMemory to make
the code more self-documenting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118171 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/IPO/FunctionAttrs.cpp')
-rw-r--r-- | lib/Transforms/IPO/FunctionAttrs.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/lib/Transforms/IPO/FunctionAttrs.cpp b/lib/Transforms/IPO/FunctionAttrs.cpp index 9e117daa68..d464e2ee82 100644 --- a/lib/Transforms/IPO/FunctionAttrs.cpp +++ b/lib/Transforms/IPO/FunctionAttrs.cpp @@ -65,7 +65,7 @@ namespace { CallGraphSCCPass::getAnalysisUsage(AU); } - bool PointsToLocalMemory(Value *V); + bool PointsToLocalOrConstantMemory(Value *V); }; } @@ -79,10 +79,10 @@ INITIALIZE_PASS_END(FunctionAttrs, "functionattrs", Pass *llvm::createFunctionAttrsPass() { return new FunctionAttrs(); } -/// PointsToLocalMemory - Returns whether the given pointer value points to -/// memory that is local to the function. Global constants are considered -/// local to all functions. -bool FunctionAttrs::PointsToLocalMemory(Value *V) { +/// PointsToLocalOrConstantMemory - Returns whether the given pointer value +/// points to memory that is local to the function, with global constants being +/// considered local to all functions. +bool FunctionAttrs::PointsToLocalOrConstantMemory(Value *V) { SmallVector<Value*, 16> Worklist; unsigned MaxLookup = 8; @@ -179,7 +179,8 @@ bool FunctionAttrs::AddReadAttrs(const CallGraphSCC &SCC) { for (CallSite::arg_iterator CI = CS.arg_begin(), CE = CS.arg_end(); CI != CE; ++CI) { Value *Arg = *CI; - if (Arg->getType()->isPointerTy() && !PointsToLocalMemory(Arg)) + if (Arg->getType()->isPointerTy() && + !PointsToLocalOrConstantMemory(Arg)) // Writes memory. Just give up. return false; } @@ -188,11 +189,13 @@ bool FunctionAttrs::AddReadAttrs(const CallGraphSCC &SCC) { } } else if (LoadInst *LI = dyn_cast<LoadInst>(I)) { // Ignore non-volatile loads from local memory. - if (!LI->isVolatile() && PointsToLocalMemory(LI->getPointerOperand())) + if (!LI->isVolatile() && + PointsToLocalOrConstantMemory(LI->getPointerOperand())) continue; } else if (StoreInst *SI = dyn_cast<StoreInst>(I)) { // Ignore non-volatile stores to local memory. - if (!SI->isVolatile() && PointsToLocalMemory(SI->getPointerOperand())) + if (!SI->isVolatile() && + PointsToLocalOrConstantMemory(SI->getPointerOperand())) continue; } |