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Fix a bug in the interpreter where divides of unmatched signed operands

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would fail. E.g. udiv sint X, Y  or sdiv uint X, Y would fail to find a
type match in the switch statement and fail the operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31338 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-11-01 03:41:05 +00:00
parent 1d08d83230
commit fe85526713
1 changed files with 11 additions and 8 deletions
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19
lib/ExecutionEngine/Interpreter/Execution.cpp
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@ -254,16 +254,19 @@ static GenericValue executeMulInst(GenericValue Src1, GenericValue Src2,
return Dest;
}
#define IMPLEMENT_SIGNLESS_BINOP(OP, TY1, TY2) \
case Type::TY2##TyID: IMPLEMENT_BINARY_OPERATOR(OP, TY1)
static GenericValue executeUDivInst(GenericValue Src1, GenericValue Src2,
const Type *Ty) {
GenericValue Dest;
if (Ty->isSigned())
Ty = Ty->getUnsignedVersion();
switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(/, UByte);
IMPLEMENT_BINARY_OPERATOR(/, UShort);
IMPLEMENT_BINARY_OPERATOR(/, UInt);
IMPLEMENT_BINARY_OPERATOR(/, ULong);
IMPLEMENT_SIGNLESS_BINOP(/, UByte, SByte);
IMPLEMENT_SIGNLESS_BINOP(/, UShort, Short);
IMPLEMENT_SIGNLESS_BINOP(/, UInt, Int);
IMPLEMENT_SIGNLESS_BINOP(/, ULong, Long);
default:
std::cout << "Unhandled type for UDiv instruction: " << *Ty << "\n";
abort();
@ -277,10 +280,10 @@ static GenericValue executeSDivInst(GenericValue Src1, GenericValue Src2,
if (Ty->isUnsigned())
Ty = Ty->getSignedVersion();
switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(/, SByte);
IMPLEMENT_BINARY_OPERATOR(/, Short);
IMPLEMENT_BINARY_OPERATOR(/, Int);
IMPLEMENT_BINARY_OPERATOR(/, Long);
IMPLEMENT_SIGNLESS_BINOP(/, SByte, UByte);
IMPLEMENT_SIGNLESS_BINOP(/, Short, UShort);
IMPLEMENT_SIGNLESS_BINOP(/, Int, UInt);
IMPLEMENT_SIGNLESS_BINOP(/, Long, ULong);
default:
std::cout << "Unhandled type for SDiv instruction: " << *Ty << "\n";
abort();