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Point people to ConstantExpr and ConstantFolding,

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in case they get the wrong idea.  Fit in 80 columns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54676 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-08-12 09:43:15 +00:00
parent 721e59cfb2
commit 20df07ba22
2 changed files with 14 additions and 8 deletions
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6
include/llvm/Support/ConstantFolder.h
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@ -7,8 +7,10 @@
//
//===----------------------------------------------------------------------===//
//
// This file defines the ConstantFolder class, which provides a set of methods
// for creating constants, with minimal folding.
// This file defines the ConstantFolder class, a helper for IRBuilder.
// It provides IRBuilder with a set of methods for creating constants
// with minimal folding. For general constant creation and folding,
// use ConstantExpr and the routines in llvm/Analysis/ConstantFolding.h.
//
//===----------------------------------------------------------------------===//

16
include/llvm/Support/TargetFolder.h
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@ -7,9 +7,10 @@
//
//===----------------------------------------------------------------------===//
//
// This file defines the TargetFolder class, which provides a set of methods
// for creating constants, with target dependent folding.
//
// 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.
//
//===----------------------------------------------------------------------===//
@ -153,7 +154,8 @@ public:
// Compare Instructions
//===--------------------------------------------------------------------===//
Constant *CreateCompare(CmpInst::Predicate P, Constant *LHS, Constant *RHS) const {
Constant *CreateCompare(CmpInst::Predicate P, Constant *LHS,
Constant *RHS) const {
return Fold(ConstantExpr::getCompare(P, LHS, RHS));
}
@ -169,11 +171,13 @@ public:
return Fold(ConstantExpr::getExtractElement(Vec, Idx));
}
Constant *CreateInsertElement(Constant *Vec, Constant *NewElt, Constant *Idx)const {
Constant *CreateInsertElement(Constant *Vec, Constant *NewElt,
Constant *Idx) const {
return Fold(ConstantExpr::getInsertElement(Vec, NewElt, Idx));
}
Constant *CreateShuffleVector(Constant *V1, Constant *V2, Constant *Mask) const {
Constant *CreateShuffleVector(Constant *V1, Constant *V2,
Constant *Mask) const {
return Fold(ConstantExpr::getShuffleVector(V1, V2, Mask));
}