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refactor ConstantExpr interfaces a bit around "exactness".

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125190 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-02-09 16:43:07 +00:00
parent f18ed3853a
commit 74f5c5abea
2 changed files with 28 additions and 37 deletions
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24
include/llvm/Constants.h
View File

@ -691,8 +691,8 @@ public:
static Constant *getFSub(Constant *C1, Constant *C2);
static Constant *getMul(Constant *C1, Constant *C2);
static Constant *getFMul(Constant *C1, Constant *C2);
static Constant *getUDiv(Constant *C1, Constant *C2);
static Constant *getSDiv(Constant *C1, Constant *C2);
static Constant *getUDiv(Constant *C1, Constant *C2, bool isExact = false);
static Constant *getSDiv(Constant *C1, Constant *C2, bool isExact = false);
static Constant *getFDiv(Constant *C1, Constant *C2);
static Constant *getURem(Constant *C1, Constant *C2);
static Constant *getSRem(Constant *C1, Constant *C2);
@ -701,8 +701,8 @@ public:
static Constant *getOr(Constant *C1, Constant *C2);
static Constant *getXor(Constant *C1, Constant *C2);
static Constant *getShl(Constant *C1, Constant *C2);
static Constant *getLShr(Constant *C1, Constant *C2);
static Constant *getAShr(Constant *C1, Constant *C2);
static Constant *getLShr(Constant *C1, Constant *C2, bool isExact = false);
static Constant *getAShr(Constant *C1, Constant *C2, bool isExact = false);
static Constant *getTrunc (Constant *C, const Type *Ty);
static Constant *getSExt (Constant *C, const Type *Ty);
static Constant *getZExt (Constant *C, const Type *Ty);
@ -726,10 +726,18 @@ public:
static Constant *getNUWMul(Constant *C1, Constant *C2);
static Constant *getNSWShl(Constant *C1, Constant *C2);
static Constant *getNUWShl(Constant *C1, Constant *C2);
static Constant *getExactSDiv(Constant *C1, Constant *C2);
static Constant *getExactUDiv(Constant *C1, Constant *C2);
static Constant *getExactAShr(Constant *C1, Constant *C2);
static Constant *getExactLShr(Constant *C1, Constant *C2);
static Constant *getExactSDiv(Constant *C1, Constant *C2) {
return getSDiv(C1, C2, true);
}
static Constant *getExactUDiv(Constant *C1, Constant *C2) {
return getUDiv(C1, C2, true);
}
static Constant *getExactAShr(Constant *C1, Constant *C2) {
return getAShr(C1, C2, true);
}
static Constant *getExactLShr(Constant *C1, Constant *C2) {
return getLShr(C1, C2, true);
}
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);

41
lib/VMCore/Constants.cpp
View File

@ -691,27 +691,6 @@ Constant *ConstantExpr::getNUWShl(Constant *C1, Constant *C2) {
OverflowingBinaryOperator::NoUnsignedWrap);
}
Constant *ConstantExpr::getExactSDiv(Constant *C1, Constant *C2) {
return getTy(C1->getType(), Instruction::SDiv, C1, C2,
PossiblyExactOperator::IsExact);
}
Constant *ConstantExpr::getExactUDiv(Constant *C1, Constant *C2) {
return getTy(C1->getType(), Instruction::UDiv, C1, C2,
PossiblyExactOperator::IsExact);
}
Constant *ConstantExpr::getExactAShr(Constant *C1, Constant *C2) {
return getTy(C1->getType(), Instruction::AShr, C1, C2,
PossiblyExactOperator::IsExact);
}
Constant *ConstantExpr::getExactLShr(Constant *C1, Constant *C2) {
return getTy(C1->getType(), Instruction::LShr, C1, C2,
PossiblyExactOperator::IsExact);
}
// Utility function for determining if a ConstantExpr is a CastOp or not. This
// can't be inline because we don't want to #include Instruction.h into
// Constant.h
@ -1890,12 +1869,14 @@ Constant *ConstantExpr::getFMul(Constant *C1, Constant *C2) {
return get(Instruction::FMul, C1, C2);
}
Constant *ConstantExpr::getUDiv(Constant *C1, Constant *C2) {
return get(Instruction::UDiv, C1, C2);
Constant *ConstantExpr::getUDiv(Constant *C1, Constant *C2, bool isExact) {
return get(Instruction::UDiv, C1, C2,
isExact ? PossiblyExactOperator::IsExact : 0);
}
Constant *ConstantExpr::getSDiv(Constant *C1, Constant *C2) {
return get(Instruction::SDiv, C1, C2);
Constant *ConstantExpr::getSDiv(Constant *C1, Constant *C2, bool isExact) {
return get(Instruction::SDiv, C1, C2,
isExact ? PossiblyExactOperator::IsExact : 0);
}
Constant *ConstantExpr::getFDiv(Constant *C1, Constant *C2) {
@ -1930,12 +1911,14 @@ Constant *ConstantExpr::getShl(Constant *C1, Constant *C2) {
return get(Instruction::Shl, C1, C2);
}
Constant *ConstantExpr::getLShr(Constant *C1, Constant *C2) {
return get(Instruction::LShr, C1, C2);
Constant *ConstantExpr::getLShr(Constant *C1, Constant *C2, bool isExact) {
return get(Instruction::LShr, C1, C2,
isExact ? PossiblyExactOperator::IsExact : 0);
}
Constant *ConstantExpr::getAShr(Constant *C1, Constant *C2) {
return get(Instruction::AShr, C1, C2);
Constant *ConstantExpr::getAShr(Constant *C1, Constant *C2, bool isExact) {
return get(Instruction::AShr, C1, C2,
isExact ? PossiblyExactOperator::IsExact : 0);
}
// destroyConstant - Remove the constant from the constant table...