Remove support for Not ConstantExpr. This simplifies the unary case to only
have to support the cast instruction, so the function is renamed to getCast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3328 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index 29dcf5a..aec7425 100644
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -431,8 +431,8 @@
public:
// Static methods to construct a ConstantExpr of different kinds.
- // Unary constant expr - Use with unary operators and casts
- static ConstantExpr *get(unsigned Opcode, Constant *C, const Type *Ty);
+ // Cast constant expr
+ static ConstantExpr *getCast(Constant *C, const Type *Ty);
// Binary constant expr - Use with binary operators...
static ConstantExpr *get(unsigned Opcode, Constant *C1, Constant *C2);
diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index 6b85865..923e48d 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -962,7 +962,7 @@
// FIXME: ConstExpr::get never return null! Do checking here in the parser.
ConstExpr: Types CAST ConstVal {
- $$ = ConstantExpr::get(Instruction::Cast, $3, $1->get());
+ $$ = ConstantExpr::getCast($3, $1->get());
delete $1;
}
| Types GETELEMENTPTR '(' ConstVal IndexList ')' {
diff --git a/lib/Bytecode/Reader/ConstantReader.cpp b/lib/Bytecode/Reader/ConstantReader.cpp
index 921b875..37e201f 100644
--- a/lib/Bytecode/Reader/ConstantReader.cpp
+++ b/lib/Bytecode/Reader/ConstantReader.cpp
@@ -217,7 +217,8 @@
// Construct a ConstantExpr of the appropriate kind
if (isExprNumArgs == 1) { // All one-operand expressions
- V = ConstantExpr::get(Opcode, ArgVec[0], Ty);
+ assert(Opcode == Instruction::Cast);
+ V = ConstantExpr::getCast(ArgVec[0], Ty);
} else if (Opcode == Instruction::GetElementPtr) { // GetElementPtr
std::vector<Constant*> IdxList(ArgVec.begin()+1, ArgVec.end());
V = ConstantExpr::getGetElementPtr(ArgVec[0], IdxList);
diff --git a/lib/Bytecode/Reader/InstructionReader.cpp b/lib/Bytecode/Reader/InstructionReader.cpp
index 0916b2b..0de8f39 100644
--- a/lib/Bytecode/Reader/InstructionReader.cpp
+++ b/lib/Bytecode/Reader/InstructionReader.cpp
@@ -122,13 +122,8 @@
if (ParseRawInst(Buf, EndBuf, Raw))
return failure(true);
- if (Raw.Opcode >= Instruction::FirstUnaryOp &&
- Raw.Opcode < Instruction::NumUnaryOps && Raw.NumOperands == 1) {
- Res = UnaryOperator::create((Instruction::UnaryOps)Raw.Opcode,
- getValue(Raw.Ty,Raw.Arg1));
- return false;
- } else if (Raw.Opcode >= Instruction::FirstBinaryOp &&
- Raw.Opcode < Instruction::NumBinaryOps && Raw.NumOperands == 2) {
+ if (Raw.Opcode >= Instruction::FirstBinaryOp &&
+ Raw.Opcode < Instruction::NumBinaryOps && Raw.NumOperands == 2) {
Res = BinaryOperator::create((Instruction::BinaryOps)Raw.Opcode,
getValue(Raw.Ty, Raw.Arg1),
getValue(Raw.Ty, Raw.Arg2));
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 48e40d0..21e25b4 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -119,10 +119,10 @@
Result = ConstantPointerRef::get(cast<GlobalValue>(V));
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CPV)) {
if (CE->getNumOperands() == 1) {
- // Cast instruction, unary operator
+ // Cast instruction
+ assert(CE->getOpcode() == Instruction::Cast);
Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
- Result = ConstantExpr::get(CE->getOpcode(), cast<Constant>(V),
- CE->getType());
+ Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
} else if (CE->getNumOperands() == 2) {
// Binary operator...
Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/Transforms/Utils/Linker.cpp b/lib/Transforms/Utils/Linker.cpp
index 48e40d0..21e25b4 100644
--- a/lib/Transforms/Utils/Linker.cpp
+++ b/lib/Transforms/Utils/Linker.cpp
@@ -119,10 +119,10 @@
Result = ConstantPointerRef::get(cast<GlobalValue>(V));
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CPV)) {
if (CE->getNumOperands() == 1) {
- // Cast instruction, unary operator
+ // Cast instruction
+ assert(CE->getOpcode() == Instruction::Cast);
Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
- Result = ConstantExpr::get(CE->getOpcode(), cast<Constant>(V),
- CE->getType());
+ Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
} else if (CE->getNumOperands() == 2) {
// Binary operator...
Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index 2aef498..ff803dc 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -466,26 +466,16 @@
typedef pair<unsigned, vector<Constant*> > ExprMapKeyType;
static ValueMap<const ExprMapKeyType, ConstantExpr> ExprConstants;
-ConstantExpr *ConstantExpr::get(unsigned Opcode, Constant *C, const Type *Ty) {
+ConstantExpr *ConstantExpr::getCast(Constant *C, const Type *Ty) {
// Look up the constant in the table first to ensure uniqueness
vector<Constant*> argVec(1, C);
- const ExprMapKeyType &Key = make_pair(Opcode, argVec);
+ const ExprMapKeyType &Key = make_pair(Instruction::Cast, argVec);
ConstantExpr *Result = ExprConstants.get(Ty, Key);
if (Result) return Result;
// Its not in the table so create a new one and put it in the table.
- // Check the operands for consistency first
- assert(Opcode == Instruction::Cast ||
- (Opcode >= Instruction::FirstUnaryOp &&
- Opcode < Instruction::NumUnaryOps) &&
- "Invalid opcode in unary ConstantExpr!");
-
- // type of operand will not match result for Cast operation
- assert((Opcode == Instruction::Cast || Ty == C->getType()) &&
- "Type of operand in unary constant expression should match result");
-
- Result = new ConstantExpr(Opcode, C, Ty);
+ Result = new ConstantExpr(Instruction::Cast, C, Ty);
ExprConstants.add(Ty, Key, Result);
return Result;
}
diff --git a/lib/VMCore/Linker.cpp b/lib/VMCore/Linker.cpp
index 48e40d0..21e25b4 100644
--- a/lib/VMCore/Linker.cpp
+++ b/lib/VMCore/Linker.cpp
@@ -119,10 +119,10 @@
Result = ConstantPointerRef::get(cast<GlobalValue>(V));
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CPV)) {
if (CE->getNumOperands() == 1) {
- // Cast instruction, unary operator
+ // Cast instruction
+ assert(CE->getOpcode() == Instruction::Cast);
Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
- Result = ConstantExpr::get(CE->getOpcode(), cast<Constant>(V),
- CE->getType());
+ Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
} else if (CE->getNumOperands() == 2) {
// Binary operator...
Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);