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-rw-r--r--lib/VMCore/Constants.cpp114
1 files changed, 86 insertions, 28 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 69c503dff9..ffebf1a2ac 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -269,9 +269,20 @@ typedef DenseMap<DenseMapAPIntKeyInfo::KeyTy, ConstantInt*,
DenseMapAPIntKeyInfo> IntMapTy;
static ManagedStatic<IntMapTy> IntConstants;
-ConstantInt *ConstantInt::get(const Type *Ty, uint64_t V, bool isSigned) {
- const IntegerType *ITy = cast<IntegerType>(Ty);
- return get(APInt(ITy->getBitWidth(), V, isSigned));
+ConstantInt *ConstantInt::get(const IntegerType *Ty,
+ uint64_t V, bool isSigned) {
+ return get(APInt(Ty->getBitWidth(), V, isSigned));
+}
+
+Constant *ConstantInt::get(const Type *Ty, uint64_t V, bool isSigned) {
+ Constant *C = get(cast<IntegerType>(Ty->getScalarType()), V, isSigned);
+
+ // For vectors, broadcast the value.
+ if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
+
+ return C;
}
// Get a ConstantInt from an APInt. Note that the value stored in the DenseMap
@@ -292,6 +303,19 @@ ConstantInt *ConstantInt::get(const APInt& V) {
return Slot = new ConstantInt(ITy, V);
}
+Constant *ConstantInt::get(const Type *Ty, const APInt &V) {
+ ConstantInt *C = ConstantInt::get(V);
+ assert(C->getType() == Ty->getScalarType() &&
+ "ConstantInt type doesn't match the type implied by its value!");
+
+ // For vectors, broadcast the value.
+ if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
+
+ return C;
+}
+
//===----------------------------------------------------------------------===//
// ConstantFP
//===----------------------------------------------------------------------===//
@@ -391,11 +415,19 @@ ConstantFP *ConstantFP::get(const APFloat &V) {
/// get() - This returns a constant fp for the specified value in the
/// specified type. This should only be used for simple constant values like
/// 2.0/1.0 etc, that are known-valid both as double and as the target format.
-ConstantFP *ConstantFP::get(const Type *Ty, double V) {
+Constant *ConstantFP::get(const Type *Ty, double V) {
APFloat FV(V);
bool ignored;
- FV.convert(*TypeToFloatSemantics(Ty), APFloat::rmNearestTiesToEven, &ignored);
- return get(FV);
+ FV.convert(*TypeToFloatSemantics(Ty->getScalarType()),
+ APFloat::rmNearestTiesToEven, &ignored);
+ Constant *C = get(FV);
+
+ // For vectors, broadcast the value.
+ if (const VectorType *VTy = dyn_cast<VectorType>(Ty))
+ return
+ ConstantVector::get(std::vector<Constant *>(VTy->getNumElements(), C));
+
+ return C;
}
//===----------------------------------------------------------------------===//
@@ -1932,19 +1964,19 @@ Constant *ConstantExpr::getCast(unsigned oc, Constant *C, const Type *Ty) {
}
Constant *ConstantExpr::getZExtOrBitCast(Constant *C, const Type *Ty) {
- if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getCast(Instruction::BitCast, C, Ty);
return getCast(Instruction::ZExt, C, Ty);
}
Constant *ConstantExpr::getSExtOrBitCast(Constant *C, const Type *Ty) {
- if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getCast(Instruction::BitCast, C, Ty);
return getCast(Instruction::SExt, C, Ty);
}
Constant *ConstantExpr::getTruncOrBitCast(Constant *C, const Type *Ty) {
- if (C->getType()->getPrimitiveSizeInBits() == Ty->getPrimitiveSizeInBits())
+ if (C->getType()->getScalarSizeInBits() == Ty->getScalarSizeInBits())
return getCast(Instruction::BitCast, C, Ty);
return getCast(Instruction::Trunc, C, Ty);
}
@@ -1960,9 +1992,10 @@ Constant *ConstantExpr::getPointerCast(Constant *S, const Type *Ty) {
Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
bool isSigned) {
- assert(C->getType()->isInteger() && Ty->isInteger() && "Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ assert(C->getType()->isIntOrIntVector() &&
+ Ty->isIntOrIntVector() && "Invalid cast");
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
Instruction::CastOps opcode =
(SrcBits == DstBits ? Instruction::BitCast :
(SrcBits > DstBits ? Instruction::Trunc :
@@ -1971,10 +2004,10 @@ Constant *ConstantExpr::getIntegerCast(Constant *C, const Type *Ty,
}
Constant *ConstantExpr::getFPCast(Constant *C, const Type *Ty) {
- assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
+ assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
"Invalid cast");
- unsigned SrcBits = C->getType()->getPrimitiveSizeInBits();
- unsigned DstBits = Ty->getPrimitiveSizeInBits();
+ unsigned SrcBits = C->getType()->getScalarSizeInBits();
+ unsigned DstBits = Ty->getScalarSizeInBits();
if (SrcBits == DstBits)
return C; // Avoid a useless cast
Instruction::CastOps opcode =
@@ -1983,42 +2016,67 @@ Constant *ConstantExpr::getFPCast(Constant *C, const Type *Ty) {
}
Constant *ConstantExpr::getTrunc(Constant *C, const Type *Ty) {
- assert(C->getType()->isInteger() && "Trunc operand must be integer");
- assert(Ty->isInteger() && "Trunc produces only integral");
- assert(C->getType()->getPrimitiveSizeInBits() > Ty->getPrimitiveSizeInBits()&&
+#ifndef NDEBUG
+ bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
+ bool toVec = Ty->getTypeID() == Type::VectorTyID;
+#endif
+ assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
+ assert(C->getType()->isIntOrIntVector() && "Trunc operand must be integer");
+ assert(Ty->isIntOrIntVector() && "Trunc produces only integral");
+ assert(C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"SrcTy must be larger than DestTy for Trunc!");
return getFoldedCast(Instruction::Trunc, C, Ty);
}
Constant *ConstantExpr::getSExt(Constant *C, const Type *Ty) {
- assert(C->getType()->isInteger() && "SEXt operand must be integral");
- assert(Ty->isInteger() && "SExt produces only integer");
- assert(C->getType()->getPrimitiveSizeInBits() < Ty->getPrimitiveSizeInBits()&&
+#ifndef NDEBUG
+ bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
+ bool toVec = Ty->getTypeID() == Type::VectorTyID;
+#endif
+ assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
+ assert(C->getType()->isIntOrIntVector() && "SExt operand must be integral");
+ assert(Ty->isIntOrIntVector() && "SExt produces only integer");
+ assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for SExt!");
return getFoldedCast(Instruction::SExt, C, Ty);
}
Constant *ConstantExpr::getZExt(Constant *C, const Type *Ty) {
- assert(C->getType()->isInteger() && "ZEXt operand must be integral");
- assert(Ty->isInteger() && "ZExt produces only integer");
- assert(C->getType()->getPrimitiveSizeInBits() < Ty->getPrimitiveSizeInBits()&&
+#ifndef NDEBUG
+ bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
+ bool toVec = Ty->getTypeID() == Type::VectorTyID;
+#endif
+ assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
+ assert(C->getType()->isIntOrIntVector() && "ZEXt operand must be integral");
+ assert(Ty->isIntOrIntVector() && "ZExt produces only integer");
+ assert(C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"SrcTy must be smaller than DestTy for ZExt!");
return getFoldedCast(Instruction::ZExt, C, Ty);
}
Constant *ConstantExpr::getFPTrunc(Constant *C, const Type *Ty) {
- assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
- C->getType()->getPrimitiveSizeInBits() > Ty->getPrimitiveSizeInBits()&&
+#ifndef NDEBUG
+ bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
+ bool toVec = Ty->getTypeID() == Type::VectorTyID;
+#endif
+ assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
+ assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
+ C->getType()->getScalarSizeInBits() > Ty->getScalarSizeInBits()&&
"This is an illegal floating point truncation!");
return getFoldedCast(Instruction::FPTrunc, C, Ty);
}
Constant *ConstantExpr::getFPExtend(Constant *C, const Type *Ty) {
- assert(C->getType()->isFloatingPoint() && Ty->isFloatingPoint() &&
- C->getType()->getPrimitiveSizeInBits() < Ty->getPrimitiveSizeInBits()&&
+#ifndef NDEBUG
+ bool fromVec = C->getType()->getTypeID() == Type::VectorTyID;
+ bool toVec = Ty->getTypeID() == Type::VectorTyID;
+#endif
+ assert((fromVec == toVec) && "Cannot convert from scalar to/from vector");
+ assert(C->getType()->isFPOrFPVector() && Ty->isFPOrFPVector() &&
+ C->getType()->getScalarSizeInBits() < Ty->getScalarSizeInBits()&&
"This is an illegal floating point extension!");
return getFoldedCast(Instruction::FPExt, C, Ty);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-15 16:11:12 +0000