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Convert PHI getIncomingValue() to foreach over incoming_values(). NFC.

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We already had a method to iterate over all the incoming values of a PHI.  This just changes all eligible code to use it.

Ineligible code included anything which cared about the index, or was also trying to get the i'th incoming BB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237169 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pete Cooper
2015-05-12 20:05:31 +00:00
parent 762a691bd6
commit f23c6af13d
17 changed files with 40 additions and 49 deletions
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4
lib/Transforms/Scalar/LICM.cpp
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@@ -491,8 +491,8 @@ bool canSinkOrHoistInst(Instruction &I, AliasAnalysis *AA, DominatorTree *DT,
/// This pattern occurs most often with LCSSA PHI nodes.
///
static bool isTriviallyReplacablePHI(const PHINode &PN, const Instruction &I) {
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i)
if (PN.getIncomingValue(i) != &I)
for (const Value *IncValue : PN.incoming_values())
if (IncValue != &I)
return false;
return true;