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[#39][fix] Fix scalar and vector kernel parameter bugs 

The alignment method for kernel function parameters finally determined by the software.
This commit is contained in:
qinfan 2023-10-25 16:02:39 +08:00
parent 8dfd3561c4
commit 99a81dd407
1 changed files with 6 additions and 1 deletions
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7
llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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@ -11623,6 +11623,11 @@ void RISCVTargetLowering::analyzeFormalArgumentsCompute(MachineFunction &MF,
const bool IsByRef = Arg.hasByRefAttr();
Type *BaseArgTy = Arg.getType();
Type *MemArgTy = IsByRef ? Arg.getParamByRefType() : BaseArgTy;
uint64_t AllocSize = DL.getTypeAllocSize(MemArgTy);
IntegerType *ArgIntTy = IntegerType::get(Ctx, 32);
bool IsSmall = (AllocSize < 4);
Align Alignment = DL.getValueOrABITypeAlignment(
IsByRef ? Arg.getParamAlign() : std::nullopt, MemArgTy);
ArgOffset = alignTo(ArgOffset, Alignment);
@ -11631,7 +11636,7 @@ void RISCVTargetLowering::analyzeFormalArgumentsCompute(MachineFunction &MF,
SmallVector<uint64_t, 16> Offsets;
ComputeValueVTs(*this, DL, BaseArgTy, ValueVTs, &Offsets, ArgOffset);
ArgOffset += DL.getTypeAllocSize(MemArgTy);
ArgOffset += AllocSize;
for (unsigned Value = 0, NumValues = ValueVTs.size();
Value != NumValues; ++Value) {