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CodeGen: Canonicalize access to function attributes, NFC

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Canonicalize access to function attributes to use the simpler API.

getAttributes().getAttribute(AttributeSet::FunctionIndex, Kind)
  => getFnAttribute(Kind)

getAttributes().hasAttribute(AttributeSet::FunctionIndex, Kind)
  => hasFnAttribute(Kind)

Also, add `Function::getFnStackAlignment()`, and canonicalize:

getAttributes().getStackAlignment(AttributeSet::FunctionIndex)
  => getFnStackAlignment()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229208 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-02-14 01:44:41 +00:00
parent 6a50342499
commit 9de77c7eca
11 changed files with 28 additions and 45 deletions
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3
lib/CodeGen/CodeGenPrepare.cpp
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@@ -217,8 +217,7 @@ bool CodeGenPrepare::runOnFunction(Function &F) {
DominatorTreeWrapperPass *DTWP =
getAnalysisIfAvailable<DominatorTreeWrapperPass>();
DT = DTWP ? &DTWP->getDomTree() : nullptr;
OptSize = F.getAttributes().hasAttribute(AttributeSet::FunctionIndex,
Attribute::OptimizeForSize);
OptSize = F.hasFnAttribute(Attribute::OptimizeForSize);
/// This optimization identifies DIV instructions that can be
/// profitably bypassed and carried out with a shorter, faster divide.