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Make sure that GEP indices are only 32 or 64 bits. We're not ready for

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indices with other bit sizes yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-01-13 00:10:02 +00:00
parent b61c1cefb2
commit 790366be6d
1 changed files with 10 additions and 6 deletions
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16
lib/Bytecode/Writer/Writer.cpp
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@ -486,9 +486,11 @@ void BytecodeWriter::outputInstructionFormat0(const Instruction *I,
// These should be either 32-bits or 64-bits, however, with bit
// accurate types we just distinguish between less than or equal to
// 32-bits or greater than 32-bits.
const IntegerType *IdxTy =
cast<IntegerType>(I->getOperand(Idx)->getType());
unsigned IdxId = IdxTy->getBitWidth() <= 32 ? 0 : 1;
unsigned BitWidth =
cast<IntegerType>(I->getOperand(Idx)->getType())->getBitWidth();
assert(BitWidth == 32 || BitWidth == 64 &&
"Invalid bitwidth for GEP index");
unsigned IdxId = BitWidth == 32 ? 0 : 1;
Slot = (Slot << 1) | IdxId;
}
output_vbr(unsigned(Slot));
@ -737,9 +739,11 @@ void BytecodeWriter::outputInstruction(const Instruction &I) {
// These should be either 32-bits or 64-bits, however, with bit
// accurate types we just distinguish between less than or equal to
// 32-bits or greater than 32-bits.
const IntegerType *IdxTy =
cast<IntegerType>(GEP->getOperand(Idx)->getType());
unsigned IdxId = IdxTy->getBitWidth() <= 32 ? 0 : 1;
unsigned BitWidth =
cast<IntegerType>(GEP->getOperand(Idx)->getType())->getBitWidth();
assert(BitWidth == 32 || BitWidth == 64 &&
"Invalid bitwidth for GEP index");
unsigned IdxId = BitWidth == 32 ? 0 : 1;
Slots[Idx] = (Slots[Idx] << 1) | IdxId;
if (Slots[Idx] > MaxOpSlot) MaxOpSlot = Slots[Idx];
}