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Fix copy+pasto issues in isMulSExtable.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-06-24 16:45:11 +00:00
parent 1faa88280e
commit 473e63512a
1 changed files with 5 additions and 4 deletions
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9
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -392,12 +392,13 @@ static bool isAddSExtable(const SCEVAddExpr *A, ScalarEvolution &SE) {
return isa<SCEVAddExpr>(SE.getSignExtendExpr(A, WideTy));
}
/// isMulSExtable - Return true if the given add can be sign-extended
/// isMulSExtable - Return true if the given mul can be sign-extended
/// without changing its value.
static bool isMulSExtable(const SCEVMulExpr *A, ScalarEvolution &SE) {
static bool isMulSExtable(const SCEVMulExpr *M, ScalarEvolution &SE) {
const Type *WideTy =
IntegerType::get(SE.getContext(), SE.getTypeSizeInBits(A->getType()) + 1);
return isa<SCEVMulExpr>(SE.getSignExtendExpr(A, WideTy));
IntegerType::get(SE.getContext(),
SE.getTypeSizeInBits(M->getType()) * M->getNumOperands());
return isa<SCEVMulExpr>(SE.getSignExtendExpr(M, WideTy));
}
/// getExactSDiv - Return an expression for LHS /s RHS, if it can be determined