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Change ConstantFoldConstantExpression to accept a null

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TargetData pointer. The only thing it's used for are
calls to ConstantFoldCompareInstOperands and
ConstantFoldInstOperands, which both already accept a
null TargetData pointer. This makes
ConstantFoldConstantExpression easier to use in clients
where TargetData is optional.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72741 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-06-02 21:48:15 +00:00
parent 014d53595c
commit 7714285efd
2 changed files with 1 additions and 3 deletions
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2
include/llvm/Analysis/ConstantFolding.h
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@@ -34,7 +34,7 @@ Constant *ConstantFoldInstruction(Instruction *I, const TargetData *TD = 0);
/// using the specified TargetData. If successful, the constant result is
/// result is returned, if not, null is returned.
Constant *ConstantFoldConstantExpression(ConstantExpr *CE,
const TargetData *TD);
const TargetData *TD = 0);
/// ConstantFoldInstOperands - Attempt to constant fold an instruction with the
/// specified operands. If successful, the constant result is returned, if not,