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Change TargetFolder's TD member from a reference to a

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pointer, now that ConstantFoldConstantExpression can
accept a null TargetData pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72744 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-06-03 00:13:48 +00:00
parent 7714285efd
commit b3ae97cffe
1 changed files with 7 additions and 5 deletions
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12
include/llvm/Support/TargetFolder.h
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@ -9,8 +9,10 @@
//
// This file defines the TargetFolder class, a helper for IRBuilder.
// It provides IRBuilder with a set of methods for creating constants with
// target dependent folding. For general constant creation and folding,
// use ConstantExpr and the routines in llvm/Analysis/ConstantFolding.h.
// target dependent folding, in addition to the same target-independent
// folding that the ConstantFolder class provides. For general constant
// creation and folding, use ConstantExpr and the routines in
// llvm/Analysis/ConstantFolding.h.
//
//===----------------------------------------------------------------------===//
@ -26,18 +28,18 @@ class TargetData;
/// TargetFolder - Create constants with target dependent folding.
class TargetFolder {
const TargetData &TD;
const TargetData *TD;
/// Fold - Fold the constant using target specific information.
Constant *Fold(Constant *C) const {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
if (Constant *CF = ConstantFoldConstantExpression(CE, &TD))
if (Constant *CF = ConstantFoldConstantExpression(CE, TD))
return CF;
return C;
}
public:
TargetFolder(const TargetData &TheTD) : TD(TheTD) {}
explicit TargetFolder(const TargetData *TheTD) : TD(TheTD) {}
//===--------------------------------------------------------------------===//
// Binary Operators