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Update a comment to reflect the code.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73704 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-18 16:24:47 +00:00
parent 1d36e4fa7c
commit 6864db6fac
1 changed files with 1 additions and 2 deletions
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3
lib/Analysis/ScalarEvolution.cpp
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@ -778,8 +778,7 @@ SCEVHandle ScalarEvolution::getTruncateExpr(const SCEVHandle &Op,
if (const SCEVZeroExtendExpr *SZ = dyn_cast<SCEVZeroExtendExpr>(Op))
return getTruncateOrZeroExtend(SZ->getOperand(), Ty);
// If the input value is a chrec scev made out of constants, truncate
// all of the constants.
// If the input value is a chrec scev, truncate the chrec's operands.
if (const SCEVAddRecExpr *AddRec = dyn_cast<SCEVAddRecExpr>(Op)) {
SmallVector<SCEVHandle, 4> Operands;
for (unsigned i = 0, e = AddRec->getNumOperands(); i != e; ++i)