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path: root/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
-rw-r--r--llvm/lib/Bitcode/Writer/BitcodeWriter.cpp16
1 files changed, 11 insertions, 5 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index c5fdd111..3d653fe 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1668,6 +1668,13 @@ static uint64_t getOptimizationFlags(const Value *V) {
Flags |= 1 << bitc::TIO_NO_SIGNED_WRAP;
if (TI->hasNoUnsignedWrap())
Flags |= 1 << bitc::TIO_NO_UNSIGNED_WRAP;
+ } else if (const auto *GEP = dyn_cast<GEPOperator>(V)) {
+ if (GEP->isInBounds())
+ Flags |= 1 << bitc::GEP_INBOUNDS;
+ if (GEP->hasNoUnsignedSignedWrap())
+ Flags |= 1 << bitc::GEP_NUSW;
+ if (GEP->hasNoUnsignedWrap())
+ Flags |= 1 << bitc::GEP_NUW;
}
return Flags;
@@ -2779,12 +2786,11 @@ void ModuleBitcodeWriter::writeConstants(unsigned FirstVal, unsigned LastVal,
Code = bitc::CST_CODE_CE_GEP;
const auto *GO = cast<GEPOperator>(C);
Record.push_back(VE.getTypeID(GO->getSourceElementType()));
+ Record.push_back(getOptimizationFlags(GO));
if (std::optional<ConstantRange> Range = GO->getInRange()) {
Code = bitc::CST_CODE_CE_GEP_WITH_INRANGE;
- Record.push_back(GO->isInBounds());
emitConstantRange(Record, *Range);
- } else if (GO->isInBounds())
- Code = bitc::CST_CODE_CE_INBOUNDS_GEP;
+ }
for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) {
Record.push_back(VE.getTypeID(C->getOperand(i)->getType()));
Record.push_back(VE.getValueID(C->getOperand(i)));
@@ -2973,7 +2979,7 @@ void ModuleBitcodeWriter::writeInstruction(const Instruction &I,
Code = bitc::FUNC_CODE_INST_GEP;
AbbrevToUse = FUNCTION_INST_GEP_ABBREV;
auto &GEPInst = cast<GetElementPtrInst>(I);
- Vals.push_back(GEPInst.isInBounds());
+ Vals.push_back(getOptimizationFlags(&I));
Vals.push_back(VE.getTypeID(GEPInst.getSourceElementType()));
for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i)
pushValueAndType(I.getOperand(i), InstID, Vals);
@@ -3871,7 +3877,7 @@ void ModuleBitcodeWriter::writeBlockInfo() {
{
auto Abbv = std::make_shared<BitCodeAbbrev>();
Abbv->Add(BitCodeAbbrevOp(bitc::FUNC_CODE_INST_GEP));
- Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 1));
+ Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 3));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, // dest ty
Log2_32_Ceil(VE.getTypes().size() + 1)));
Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));