motiejus/zig
1
Fork 0
Code Releases Activity

add zig llvm wrapper for atomicrmw

Browse Source
This commit is contained in:
Vexu
2019-12-17 00:24:23 +02:00
parent 8bb1e04449
commit ab7fc33c83
4 changed files with 88 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/zig_llvm.cpp
View File

@@ -1096,6 +1096,56 @@ bool ZigLLDLink(ZigLLVM_ObjectFormatType oformat, const char **args, size_t arg_
abort();
}
static AtomicRMWInst::BinOp toLLVMRMWBinOp(enum ZigLLVM_AtomicRMWBinOp BinOp) {
switch (BinOp) {
default:
case ZigLLVMAtomicRMWBinOpXchg: return AtomicRMWInst::Xchg;
case ZigLLVMAtomicRMWBinOpAdd: return AtomicRMWInst::Add;
case ZigLLVMAtomicRMWBinOpSub: return AtomicRMWInst::Sub;
case ZigLLVMAtomicRMWBinOpAnd: return AtomicRMWInst::And;
case ZigLLVMAtomicRMWBinOpNand: return AtomicRMWInst::Nand;
case ZigLLVMAtomicRMWBinOpOr: return AtomicRMWInst::Or;
case ZigLLVMAtomicRMWBinOpXor: return AtomicRMWInst::Xor;
case ZigLLVMAtomicRMWBinOpMax: return AtomicRMWInst::Max;
case ZigLLVMAtomicRMWBinOpMin: return AtomicRMWInst::Min;
case ZigLLVMAtomicRMWBinOpUMax: return AtomicRMWInst::UMax;
case ZigLLVMAtomicRMWBinOpUMin: return AtomicRMWInst::UMin;
case ZigLLVMAtomicRMWBinOpFAdd: return AtomicRMWInst::FAdd;
case ZigLLVMAtomicRMWBinOpFSub: return AtomicRMWInst::FSub;
}
}
static AtomicOrdering toLLVMOrdering(LLVMAtomicOrdering Ordering) {
switch (Ordering) {
default:
case LLVMAtomicOrderingNotAtomic: return AtomicOrdering::NotAtomic;
case LLVMAtomicOrderingUnordered: return AtomicOrdering::Unordered;
case LLVMAtomicOrderingMonotonic: return AtomicOrdering::Monotonic;
case LLVMAtomicOrderingAcquire: return AtomicOrdering::Acquire;
case LLVMAtomicOrderingRelease: return AtomicOrdering::Release;
case LLVMAtomicOrderingAcquireRelease: return AtomicOrdering::AcquireRelease;
case LLVMAtomicOrderingSequentiallyConsistent: return AtomicOrdering::SequentiallyConsistent;
}
}
inline LLVMAttributeRef wrap(Attribute Attr) {
return reinterpret_cast<LLVMAttributeRef>(Attr.getRawPointer());
}
inline Attribute unwrap(LLVMAttributeRef Attr) {
return Attribute::fromRawPointer(Attr);
}
LLVMValueRef ZigLLVMBuildAtomicRMW(LLVMBuilderRef B, enum ZigLLVM_AtomicRMWBinOp op,
LLVMValueRef PTR, LLVMValueRef Val,
LLVMAtomicOrdering ordering, LLVMBool singleThread)
{
AtomicRMWInst::BinOp intop = toLLVMRMWBinOp(op);
return wrap(unwrap(B)->CreateAtomicRMW(intop, unwrap(PTR),
unwrap(Val), toLLVMOrdering(ordering),
singleThread ? SyncScope::SingleThread : SyncScope::System));
}
static_assert((Triple::ArchType)ZigLLVM_UnknownArch == Triple::UnknownArch, "");
static_assert((Triple::ArchType)ZigLLVM_arm == Triple::arm, "");
static_assert((Triple::ArchType)ZigLLVM_armeb == Triple::armeb, "");